WO2015049910A1 - 歩行補助装置 - Google Patents
歩行補助装置 Download PDFInfo
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- WO2015049910A1 WO2015049910A1 PCT/JP2014/069410 JP2014069410W WO2015049910A1 WO 2015049910 A1 WO2015049910 A1 WO 2015049910A1 JP 2014069410 W JP2014069410 W JP 2014069410W WO 2015049910 A1 WO2015049910 A1 WO 2015049910A1
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- walking
- distance
- user
- unit
- assist device
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- 238000001514 detection method Methods 0.000 claims description 119
- 238000013459 approach Methods 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims 2
- 230000008859 change Effects 0.000 description 17
- 210000003127 knee Anatomy 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 12
- 230000001133 acceleration Effects 0.000 description 3
- 210000002414 leg Anatomy 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/14—Adaptive cruise control
- B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/043—Wheeled walking aids for patients or disabled persons with a drive mechanism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/046—Wheeled walking aids for patients or disabled persons with braking means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0173—Means for preventing injuries
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5023—Interfaces to the user
- A61H2201/5033—Interfaces to the user having a fixed single program
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5061—Force sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5064—Position sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5079—Velocity sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2754/00—Output or target parameters relating to objects
- B60W2754/10—Spatial relation or speed relative to objects
- B60W2754/30—Longitudinal distance
Definitions
- the present disclosure relates to a walking assist device used for walking training, walking, etc. for elderly people who are difficult to walk, disabled people, or infants.
- walking assist devices such as a walker and a silver car are known as assisting tools for safely walking.
- the walking assist device includes wheels on front and rear legs, and further includes a handle on an upper end portion of the main body frame. The user can walk safely by holding the handle and running the wheel while supporting the body.
- a walking assist device has been developed that gives driving force to a wheel by a motor or the like to apply a brake on a downhill or the like or assist an ascending on an uphill.
- FIG. 22 is a side view showing the structure of the walking assist device 800 shown in Patent Document 1.
- the walking assist device 800 supports the user by the support unit 801, and controls the motor 805 by the control device according to the parameters set by the force sensor 802, the distance sensor 803, the output of the speed sensor and the setting device 804, and the driving wheel 806 is driven to control the forward, backward and swivel movements of the base 807.
- the walking assistance device 800 detects the distance between the walking assistance device 800 and the user, and controls the driving of the walking assistance device 800 when the distance becomes larger than a predetermined distance. Preventing pedestrians from leaning forward by maintaining a constant distance.
- the walking assistance device advances first, the distance between the walking assistance device and the user is widened, and the user is in a posture that leans forward greatly. Can be supported, and can be supported to return to the original posture more easily.
- the technology of the above-mentioned patent document merely controls the advance of the walking assistance device based on the distance between the user and the walking assistance device, and during actual walking, the usage situation of the user and walking Since the distance between the user and the walking assistance device differs depending on the environment, it is necessary to appropriately control the walking assistance device corresponding to this. Further, the technology of the above-mentioned patent document is effective when the walking assist device advances first when the user delays stepping forward, and the distance between the walking assist device and the user becomes wide. However, in a situation of actual use, not only when the distance between the walking assistance device and the user becomes wide, but also when the space becomes narrow.
- the walking assist device stops, the pedestrian cannot suddenly stop walking, and the distance between the stopped walking assist device and the user may be narrowed by stepping forward.
- the walking assist device moves backward while descending the slope due to gravity, and the distance between the walking assist device and the user May become narrower.
- the frictional force between the wheel and the road changes, and the wheel rotates.
- the pedestrian cannot suddenly decrease the walking speed, and the interval between the stopped walking assistance device and the user may be narrowed.
- the walking assist device moves backward, there is a risk of falling backward.
- a walking assist device includes a base, a drive unit configured to move the base, a distance detection unit configured to detect a distance from the base to a user, and a distance detection unit. It is configured to control the drive unit based on at least a determination result that the user is too close to the walking assist device by comparing the detected distance with a predetermined determination value. And a control unit.
- the walking assistance device is further detected by a distance detection unit and a safety distance range setting unit configured to set a distance range from the base body to the user during the safe walking of the user as a safe distance range.
- a walking state determination unit configured to determine whether or not the distance is outside the safe distance range, and based on a determination result that the control unit is at least too close to the walking assist device Controlling the drive unit may include controlling the drive unit when the walking state determination unit determines that the distance detected by the distance detection unit is outside the safe distance range.
- the safe distance range setting unit may be configured to set the safe distance range based on the distance from the base to the user when the user walks safely for a predetermined time.
- the safe distance range setting unit may be configured to set the safe distance range to be narrow when the distance detected by the distance detection unit changes abruptly.
- the walking assistance device further includes an inclination detection unit configured to detect the inclination of the road surface on which the walking assistance device travels, and the safety distance range setting unit is based on the inclination detected by the inclination detection unit. It may be configured to set a safe distance range.
- the walking assistance device further includes a speed detection unit configured to detect the speed of the walking assistance device, and the safety distance range setting unit is based on the speed detected by the speed detection unit. It is good also as being comprised so that may be set.
- the walking assist device further includes a pressure detection unit configured to detect a pressure at which the user grips the grip, and the safety distance range setting unit is configured to be safe based on the pressure detected by the pressure detection unit. It may be configured to set a distance range.
- the walking assist device further includes a traveling direction detection unit configured to detect a traveling direction of the walking assist device, and the control unit is configured to drive the driving unit based on the traveling direction detected by the traveling direction detection unit. It is good also as being comprised so that may be controlled.
- the walking assist device further includes an approach determining unit configured to detect that the distance detected by the distance detecting unit is smaller than a predetermined distance, and the control unit at least the user approaches the walking assist device. Controlling the drive unit based on the determination result of being too much means that the drive unit is controlled when the approach determination unit detects that the distance detected by the distance detection unit is narrower than a predetermined distance. It is good also as including.
- the walking assistance device further includes a traveling direction detection unit configured to detect the traveling direction of the walking assistance device, and when the traveling direction detection unit determines that the traveling direction is forward, the control unit
- the drive unit may be configured to stop the advance or increase the advance.
- the controller is configured to control the drive unit so as to suppress, stop, or move forward the walking assist device. Also good.
- the walking assist device further includes a pressure detection unit configured to detect a pressure for gripping the grip of the user, and the control unit increases the predetermined distance when the pressure detected by the pressure detection unit changes. It may be configured to be set.
- the safety distance between the user and the walking assistance device is appropriately controlled according to the user's walking situation and walking environment, and it is excellent in safety to prevent the user from breaking the balance and breaking the knee or falling
- a walking assist device can be realized.
- a walking assistance device excellent in safety that prevents the user from breaking the balance and causing the knee to bend or fall is realized. It becomes possible.
- FIG. 10 is a table showing an example of setting a safe distance range according to the second embodiment.
- 10 is a table showing an example of setting a safe distance range according to the second embodiment.
- 6 is a flowchart illustrating an example of the operation of the walking assist device according to the second embodiment. It is a side view which shows the structure of the walking assistance apparatus 100b which concerns on Embodiment 3.
- FIG. It is a block diagram which shows the operation
- 10 is a flowchart illustrating an example of the operation of the walking assistance device according to the fourth embodiment.
- FIG. 10 is a flowchart illustrating an example of the operation of the walking assist device according to the fifth embodiment. It is a side view which shows the structure of the walking assistance apparatus which concerns on Embodiment 6. It is a block diagram which shows the operation
- FIG. 14 is a flowchart illustrating an example of the operation of the walking assistance device according to the sixth embodiment. It is a side view which shows the structure of the conventional walking assistance apparatus.
- FIG.1 (a) is a side view which shows the structure of the walking assistance apparatus 100 which concerns on one Embodiment of this invention
- FIG.1 (b) is a top view.
- the walking assist device 100 is provided on the base body 1, a pair of left and right front wheel wheels 3 and rear wheel wheels 4 that movably support the traveling surface on which the base body 1 travels, and the base body 1.
- a grip 2 to be supported and a motor 5 as a drive unit for driving the rear wheel 4 are provided.
- the motor 5 is installed on the rear wheel 4 and controls the operation of the walking assist device 100 by driving the rear wheel 4.
- the motor 5 drives the front wheel 3 to drive the walking assist device 100.
- the operation may be controlled, or it may be installed on both the front wheel 3 and the rear wheel 4. Further, in the vicinity of the center of the base body 1, a storage portion 8 for storing luggage and the like is provided.
- the walking assist device 100 includes a distance sensor 6 that detects the distance from the walking assist device 100 to the user, and the control unit 7 controls the motor 5 based on the distance measured by the distance sensor 6.
- a distance sensor 6 a non-contact sensor such as an ultrasonic sensor or an infrared sensor can be used.
- a proximity sensor may be used instead of the distance sensor.
- one distance sensor 6 is provided in the middle lower part of the left and right grips 2.
- a distance sensor is provided in the vicinity of the left and right grips 2.
- a plurality of distance sensors may be arranged. Further, it is desirable that the distance sensor 6 is disposed on the lower side of the base body 1 so that the leg portion of the user can be easily detected.
- FIG. 2 is a block diagram showing an operational configuration of the walking assist device 100.
- the safe distance range setting unit 9 and the walking state determination unit 10 are provided near or inside the distance sensor 6 or the control unit 7.
- the safe distance range setting unit 9 sets the distance range from the walking assistance device 100 to the user when the user walks safely using the walking assistance device 100 as the safe distance range.
- the walking assistance device 100 includes a timekeeping unit and the like, and the distance sensor 6 detects the distance from the walking assistance device 100 to the user when the user safely walks for a predetermined time.
- the safe distance range is D0 (minimum value a, maximum value b).
- the safe distance range setting unit 9 changes the safe distance range in response to a determination result of a walking state determination unit 10 described later.
- Walking condition determining unit 10 includes a detection distance D 1 of the from the walking assist device 100 which is detected by the distance sensor 6 when the actual user is walking with the walking assist device 100 to a user, set by the and secure the distance range D0 compared (minimum a, the maximum value b) and determines whether or not the detected distance D 1 is the safety distance range.
- the control unit 7 calculates the rotation speed or torque of the motor 5 connected to the rear wheel 4 according to a built-in program, and controls the rotation speed or torque of the left and right motors 5 according to the calculated value. Further, the detection distance D 1 is the safety distance range D0 (minimum value a, the maximum value b) optionally greater than the range of the small, may be changed control content.
- FIG. 3 shows an example of the positional relationship between the walking assistance device 100 and the user.
- FIG. 3 (a) shows a state during normal walking
- FIG. 3 (b) shows an example when the user is in a forward leaning posture and the user and the walking assist device 100 are wider than the safe walking distance range.
- the distance between the walking assistance device 100 and the user during the safe walking shown in FIG. 3A is a safe distance range D0 (minimum value a, maximum value b).
- D0 minimum value a, maximum value b
- 100 determines that the user and the walking assistance device 100 are too close or too far away.
- the detection distance D 1 the distance to the user from the walking assist device 100 when the user is walking.
- Walking condition determining unit 10 compares the distance sensor 6 walking assist device 100 which is detected by the detection distance D 1 of the up user, previously entered safety distance range D0 (minimum value a, the maximum value b) and , when the detection distance D 1 is outside the range of the safety distance range D0 (minimum value a, the maximum value b), determines the walking assist device 100 and user is too far or if too close, determination The signal is sent to the safety distance range setting unit 9 or the control unit 7.
- FIG. 4 is a flowchart showing an example of the operation of the walking assist device 100 in the present embodiment. In this flowchart, an example will be described in which the user and the walking assistance device 100 are too close or too far away for some reason after the safe walk.
- the start button of the walking assistance device 100 is turned on, and the walking assistance device 100 enters an operating state (step S401).
- the safety distance range D0 (minimum value a, maximum value b) is set by the safety distance range setting unit 9 (step S402).
- the method for determining the safe distance range D0 that is set after the walking assist device 100 is started includes the time measuring device and the like in the walking assist device 100, and the user walks safely for a predetermined time after the walking assist device 100 is started.
- the distance from the walking assistance device 100 to the user at the time may be detected by the distance sensor 6, and the minimum value a and the maximum value b may be obtained and set based on the detected numerical values, or once set, the next time You may make it use the same numerical value until it changes.
- the detection of the detection distance D 1 is carried out by the distance sensor 6 with the rear wheel 4 is advanced in the normal walking driven by the rotation of the motor 5 (step S403 ).
- the walking state determination unit 10 includes a detection distance D 1 of the from the detected walking assist device 100 to the user by the distance sensor 6 is compared with the safety distance range D0 which is set above the detection distance D1 It is determined whether or not the safety distance range D0 (minimum value a, maximum value b) is out of range (step S404). Detection distance D 1 is the safety distance range D0 (minimum value a, the maximum value b) if outside the range of (YES at step S404), the walking state determination unit 10, the walking assist device 100 is close to the user It is determined that it is too far or too far away and a determination signal is sent to the control unit 7. The control unit 7 stops the rotation of the motor 5 connected to the rear wheel 4 according to the built-in program (step S405), and the operation of the walking assistance device 100 ends (step S406).
- step S404 (NO in step S404) detects the distance when D 1 is within the range of the safety distance range D0, to the user is not too close to the walking assist device 100, nor too far
- step S407 the control unit 7 determines whether the stop button has been pressed. When the stop button is pressed (YES in step S407), the control unit 7 stops the rotation of the motor 5 connected to the rear wheel 4 according to the built-in program (step S405), and assists walking. The operation of the apparatus 100 ends (step S406). On the other hand, when the stop button has not been pressed (NO in step S407), the advancement of the walking assist device 100 and the detection by the distance sensor 6 are continued (step S403).
- the safety distance between the user and the walking assistance device is appropriately controlled according to the user's walking situation and walking environment, and the user is prevented from breaking the balance and causing the knee to break or fall. Is possible.
- a walking state determination unit 10 compares the detection distance D 1 of the from the detected walking assist device 100 to the user by the distance sensor 6, and a safety distance range D0 inputted in advance, If the detected distance D 1 is outside the range of the safety distance range D0, but the walking assist device 100 and the user has an example judges that are too far apart or if too close, as examples other than this, walking condition determining unit 10 monitors the detection distance D 1 that is detected by the distance sensor 6, at step S404 in FIG. 4, it may be determined to configure whether an abrupt change in detection distance D 1 has occurred. In this case, in step S402, for example, a change amount determined to be a sudden change is set as D0. That a sudden change in the detection distance D 1 to occur, it is determined that the or user stumbles, distance of the walking assist device 100 and the user is changed due to some accident, to control the motor 5 in accordance with this Therefore, safety can be improved.
- control may be performed so as to change the rotation speed or torque of the motor 5.
- any method may be used as long as it controls the drive unit so as to reduce the danger of the user.
- the rotation speed and torque of the motor 5 are changed, even if the walking assist device 100 stops due to a small obstacle or a shallow side groove, the obstacle can be overcome. Further, even if the road condition changes from a paved road to a gravel road or from a flat road to a slope, the user can use the walking assistance device 100 without stopping it.
- Embodiment 2 Next, Embodiment 2 will be described.
- a method for setting the safe distance range by the inclination of the road surface on which the walking assist device travels will be described.
- FIG. 5 is a side view and a top view showing the structure of the walking assistance device according to the second embodiment.
- Fig.5 (a) is a side view which shows the structure of the walking assistance apparatus 100a which concerns on one Embodiment of this invention
- FIG.5 (b) is a top view. Since the basic configuration of this embodiment is the same as that of the first embodiment, the same components as those of the embodiment are denoted by the same reference numerals, and description of the drawings and description thereof are not repeated.
- the walking assist device 100a includes a tilt detection unit 11 that detects the tilt of the walking assist device 100 in addition to the walking assist device 100 of the first embodiment.
- a tilt detection unit 11 that detects the tilt of the walking assist device 100 in addition to the walking assist device 100 of the first embodiment.
- the tilt detection unit a gyro sensor, a geomagnetic sensor, an acceleration sensor, or the like is used.
- FIG. 6 is a block diagram showing an operation configuration of the walking assist device 100a according to the present embodiment.
- the inclination detection unit 11 may be provided in any of the walking assistance devices 100a as long as the inclination of the walking assistance device 100a can be detected.
- the inclination angle ⁇ detected by the inclination detection unit 11 is sent to the safe distance range setting unit 9.
- the safe distance range setting unit 9 sets a safe distance range based on the inclination angle ⁇ .
- FIG. 7 is a table showing an example of setting the safe distance range according to the second embodiment.
- a table for determining a safety distance range D0 (minimum value a, maximum value b) corresponding to the inclination angle ⁇ detected by the inclination detector 11.
- a method of setting the safe distance range D0 based on the above.
- a minimum value m and a maximum value n that are reference values in advance, and a table that sets a coefficient by which the reference value is multiplied according to the detected inclination angle ⁇ is safe.
- the distance range D0 may be determined.
- the minimum value m and the maximum value n which are reference values, are provided in the walking assistance device 100a as described in the first embodiment, and the walking assistance device when the user safely walks on the flat ground for a predetermined time.
- the distance from 100a to the user may be detected by the distance sensor 6, and the minimum value m and the maximum value n serving as reference values may be obtained based on this numerical value.
- the safe distance range can be set by the inclination of the road surface on which the walking assist device 100a travels, when walking on a hill or the like where the degree of danger is higher than when walking safely on a normal flat ground. Even can walk safely.
- Walking condition determining unit 10 includes a detection distance D 1 of the the walking assistance device 100a, which is detected by the distance sensor 6 when the actual user is walking with the walking assistance device 100a until the user, set by the and secure the distance range D0 compared (minimum a, the maximum value b) and determines whether or not the detected distance D 1 is the safety distance range.
- the control unit 7 calculates the rotation speed or torque of the motor 5 connected to the rear wheel 4 according to a built-in program, and controls the rotation speed or torque of the left and right motors 5 according to the calculated value. Further, the detection distance D 1 is the safety distance range D0 (minimum value a, the maximum value b) optionally greater than the range of the small, may be changed control content.
- FIG. 9 is a flowchart showing an example of the operation of the walking assist device 100a in the present embodiment. In this flowchart, an example will be described in which the walking assist device 100a travels on an inclined road surface after the user has safely walked on a flat ground.
- the start button of the walking assistance device 100a is turned on, and the walking assistance device 100a enters an operating state (step S901).
- the safe distance range setting unit 9 sets the safe distance range D0 (minimum value a, maximum value b) (step S902).
- the method for determining the safe distance range D0 that is set after the walking assist device 100a is activated includes a timekeeping unit and the like in the walking assist device 100a, and the user safely walks for a predetermined time after the walking assist device 100a is activated. The distance from the walking assistance device 100a to the user at the time is detected by the distance sensor 6, and the minimum value and the maximum value are obtained and set based on these numerical values. Once set, until the next change The same numerical value may be used.
- the inclination angle ⁇ is detected by the inclination detector 11 (step S903).
- the inclination detection unit 11 determines whether or not the inclination of the walking assist device 100a is detected (step S904).
- the information of the inclination angle ⁇ is transmitted to the safe distance range setting unit 9, and the safe distance range D0 is changed based on, for example, a table as shown in FIG. (Step S905). That is, the safe distance range D0 ′ is set so that the range of the safe distance range D0 is narrowed. By narrowing the safe distance range D0, the accuracy of the walking state determination unit 10 is increased, and the safety can be further improved.
- the changed safety distance range is defined as a safety distance range D0 ′ (minimum value a, maximum value b).
- the walking assist device 100a is advanced, and detects the detection distance D 1 of the the walking assistance device 100a at a distance sensor 6 to the user (step S906). Then, the walking state determination unit 10 compares set by the safety distance range D0' the detection distance D 1, the range of the detection distance D 1 is the safety distance range D0' (minimum value a, the maximum value b) It is determined whether it is outside (step S907). If the detected distance D 1 is outside the range of the safety distance range D0' (minimum value a, the maximum value b) (YES at step S907), the walking state determination unit 10, the walking assist device 100 and user It is determined that it is too close or too far away, and a determination signal is sent to the control unit 7. The control unit 7 stops the rotation of the motor 5 connected to the rear wheel 4 according to the built-in program (step S909), and the operation of the walking assistance device 100a is ended (step S910).
- step S907 detects the distance when D 1 is within the range of the safety distance range D0', to the user is not too close to the walking assist device 100a, it is determined that not even too far.
- step S908 determines whether or not the stop button has been pressed by the control unit 7 (step S908).
- the control unit 7 stops the rotation of the motor 5 connected to the rear wheel 4 according to the built-in program (step S909), and assists walking.
- step S910 ends.
- step S910 the stop button has not been pressed (NO in step S908), the detection of the inclination angle ⁇ by the inclination detector 11 of the walking assist device 100a is continued (step S903).
- step S904 when the inclination is not detected by the inclination detection unit 11 (NO in step S904), the walking assist device 100a moves forward and the distance sensor 6 moves from the walking assist device 100a to the user. detecting the detection distance D 1 of the (step S906). Then, the walking state determination unit 10 compares set by the safety distance range D0 detection distance D 1, it determines whether the out-of-range detection distance D 1 is the safety distance range D0 (step S907). If the detected distance D 1 is outside the range of the safety distance range D0 (YES at step S907), the walking state determination unit 10, the walking assist device 100 and user is too far or if too close And a determination signal is sent to the control unit 7. The control unit 7 stops the rotation of the motor 5 connected to the rear wheel 4 according to the built-in program (step S909), and the operation of the walking assistance device 100a is ended (step S910).
- step S907 detects the distance when D 1 is within the range of the safety distance range D0, to the user is not too close to the walking assist device 100a, it is determined that not even too far, It is determined whether or not the stop button has been pressed by the control unit 7 (step S908).
- the control unit 7 stops the rotation of the motor 5 connected to the rear wheel 4 according to the built-in program (step S909), and assists walking.
- the operation of the apparatus 100 ends (step S910).
- step S910 On the other hand, if the stop button has not been pressed (NO in step S908), the detection of the inclination angle ⁇ by the inclination detector 11 of the walking assist device 100a is continued (step S903).
- the safety distance between the user and the walking assistance device is appropriately controlled according to the walking situation of the user and the walking environment such as a slope, and the user breaks the balance and the knee breaks or falls. Can be prevented.
- Embodiment 3 Next, Embodiment 3 will be described.
- a method for controlling the drive unit 5 using pressure detection in which the user grips the grip 2 of the walking assist device will be described.
- FIG. 10 is a side view showing the structure of the walking assist device 100b according to the present embodiment. Since the basic configuration of this embodiment is the same as that of the first and second embodiments, the same components as those of the first embodiment are denoted by the same reference numerals, and the description of the drawings and the description thereof are not repeated.
- the walking assistance device 100b includes the pressure detection unit 12 in the walking assistance device 100 of the first embodiment.
- the pressure detector 12 is provided, for example, in the grip 2 or the like, and detects the pressure at which the user grips the grip of the walking assist device 100b.
- a pressure sensor, a strain gauge, or the like is used as the pressure detector 12.
- FIG. 11 is a block diagram showing an operation configuration of the walking assist device 100b according to the present embodiment.
- the pressure value detected by the pressure detection unit 12 is sent to the safe distance range setting unit 9.
- the safe distance range setting unit 9 sets a safe distance range based on the pressure value. Subsequent processing is performed in the same manner as in the second embodiment.
- a speed detection unit may be used in addition to the inclination detection unit 11 and the pressure detection unit 12.
- the speed detector is provided on the front wheel 3 and the rear wheel 4 and detects the speed of the walking assist device.
- the speed detection unit detects the speed of the walking assist device and sets the safe distance range based on the detected speed, thereby improving the accuracy of detecting that the user has lost the balance, as in the above embodiment. , Can increase safety.
- a configuration may further include a traveling direction detection unit that detects the traveling direction of the walking assistance device.
- the traveling direction detection unit is provided on the front wheel 3, the rear wheel 4, the motor 5, and the like, and detects the traveling direction of the walking assist device.
- a traveling direction detection unit a method for detecting the rotation direction of the motor, an acceleration sensor, or the like is used.
- the control unit 7 controls the drive unit 5 based on the traveling direction detected by the traveling direction detection unit.
- the walking assist apparatus is detection distance D 1 becomes safety distance range during advancement, if the walking assist device and the user is too close, the control unit 7, the drive to the walking assist device is stopped or further forward The unit 5 is controlled.
- the control unit 7 controls the driving unit 5 so that the walking assistance device stops or moves backward.
- the walking assist apparatus is detection distance D 1 becomes safety distance range during retraction, if the walking assist device and the user is too close, the control unit 7, the drive to the walking assist device is stopped or advanced The unit 5 is controlled.
- the control unit 7 controls the driving unit 5 so that the walking assistance device stops or further moves backward.
- the safety distance between the user and the walking assistance device is appropriately controlled according to the user's walking situation and walking environment, and the user is prevented from breaking the balance and causing the knee to break or fall It is possible to realize a walking assist device that is excellent in performance.
- FIG. 12 is a side view and a top view showing the structure of the walking assistance device according to the fourth embodiment.
- Fig.12 (a) is a side view which shows the structure of the walking assistance apparatus 500 based on one Embodiment of this invention
- FIG.12 (b) is a top view.
- the walking assist device 500 is provided on the base body 51, a pair of left and right front wheel wheels 53 and a rear wheel wheel 54 that movably supports the traveling surface on which the base body 51 travels, and the base body 51.
- a grip 52 to be supported and a motor 55 as a drive unit for driving the rear wheel 54 are provided.
- the motor 55 is installed on the rear wheel 54 and controls the operation of the walking assist device 500 by driving the rear wheel 54, but the motor 55 drives the front wheel 53 to control the walking assist device 500.
- the operation may be controlled, or it may be installed on both the front wheel 53 and the rear wheel 54.
- a storage portion 58 for storing luggage and the like is provided in the vicinity of the center of the base 51.
- the walking assist device 500 includes a distance sensor 56 that detects the distance from the walking assist device 500 to the user, and the control unit 57 controls the motor 55 based on the distance measured by the distance sensor 56.
- a distance sensor 56 a non-contact sensor such as an ultrasonic sensor or an infrared sensor can be used.
- a proximity sensor may be used instead of the distance sensor.
- one distance sensor 56 is provided at the middle lower portion of the left and right grips 52.
- a plurality of distance sensors may be provided in the vicinity of the left and right grips 52.
- a distance sensor may be arranged.
- the distance sensor 56 be disposed below the base body 51 so that the user's legs can be easily detected.
- FIG. 13 is a block diagram showing an operational configuration of the walking assist device 500.
- the approach determination unit 59 is provided near or inside the distance sensor 56 or the control unit 57 and includes an input unit 91.
- a predetermined distance D0 is input from the input unit 91 to the approach determination unit 59.
- FIG. 14 shows the positional relationship between the walking assistance device 500 and the user.
- FIG. 14A shows a state during normal walking
- FIG. 14B shows a knee-folded state as an example when the user approaches the walking assistance device 500.
- the predetermined distance D0 is a reference value for determining that the user and the walking assistance device 500 have approached.
- the predetermined distance D0 can be set to an arbitrary value.
- the distance from the walking assistance device 500 detected by the distance sensor 56 to the user when the user actually walks is defined as a detection distance D1.
- the approach determination unit 59 compares the detection distance D1 from the walking assistance device 500 detected by the distance sensor 56 to the user with a predetermined distance D0 input in advance from the input unit 91, and when D1 ⁇ D0. Then, it is determined that the user and the walking assistance device 500 have approached, and a determination signal is sent to the control unit 57.
- the control unit 57 calculates the rotational speed or torque of the motor 55 connected to the rear wheel 54 according to a built-in program, and the rotational speed or torque of the motor 55 according to the calculated value. And the advancement of the walking assist device 500 is stopped. By performing such control, when the distance between the user and the walking assistance device 500 becomes narrow, it is possible to prevent the user from breaking the balance and causing the knee to bend or fall down.
- FIG. 15 is a flowchart showing an example of the operation of the walking assist device 500 in the present embodiment.
- the start button of the walking assistance device 500 is turned on, and the walking assistance device 500 enters an operating state (step S1501).
- a predetermined distance D0 is input from the input unit 91 to the approach determination unit 59 (step S1502).
- the predetermined distance D0 may be set every time it is used, or once set, the same numerical value may be used until the next change.
- the user holds the grip 52 of the walking assist device 500, and the rear wheel 54 is driven by the rotation of the motor 55 to move forward, and the detection distance D1 is detected by the distance sensor 56 (step S1503).
- the approach determination unit 59 compares the detection distance D1 from the walking assistance device 500 detected by the distance sensor 56 to the user with a predetermined distance D0 input in advance, and determines whether D1 ⁇ D0. (Step S1504). When D1 ⁇ D0 (YES in step S1504), the approach determination unit 59 determines that the user and the walking assistance device 500 have approached, and sends a determination signal to the control unit 57. The control unit 57 stops the rotation of the motor 55 connected to the rear wheel 54 according to the built-in program (step S1506), and the operation of the walking assist device 500 ends (step S1507).
- step S1504 determines whether D1 ⁇ D0 is not satisfied (NO in step S1504), it is determined that the user is not approaching the walking assistance device 500, and the control unit 57 determines whether the stop button is pressed (step). S1505).
- the control unit 57 stops the rotation of the motor 55 connected to the rear wheel 54 according to the built-in program (step S1506), and assists walking.
- the operation of the apparatus 500 ends (step S1507).
- step S1505 determines whether the stop button is pressed (YES in step S1505).
- the control unit 57 stops the rotation of the motor 55 connected to the rear wheel 54 according to the built-in program (step S1506), and assists walking.
- step S1507 ends.
- the stop button has not been pressed (NO in step S1505), the forward movement of the walking assist device 500 and the detection by the distance sensor 56 are continued.
- the example in which the motor 55 is controlled so as to stop the walking assist device 500 when the distance between the walking assist device 500 and the user approaches is described.
- any method may be used as long as it controls the drive unit so as to reduce the danger of the user.
- the forward speed is increased by changing the rotation speed or torque of the motor 55, even if the walking assistance device 500 stagnates due to a small obstacle or a shallow side groove, the walking assistance device 500 gets over these obstacles. be able to. Further, even if the road condition changes from a paved road to a gravel road, or from a flat road to a slope, the user can use the walking assistance device 500 without stopping it.
- Embodiment 6 Next, Embodiment 6 will be described. In the present embodiment, a method for controlling the drive unit according to the traveling direction of the walking assist device will be described.
- FIG. 16 is a side view showing the structure of the walking assist device 500a according to this embodiment. Since the basic configuration of this embodiment is the same as that of the fifth embodiment, the same components as those of the fifth embodiment are denoted by the same reference numerals, and description of the drawings and description thereof are not repeated.
- the walking assistance device 500a includes the traveling direction detection unit 60 in the walking assistance device 500 of the fifth embodiment.
- the traveling direction detection unit 60 is provided on any of the front wheel 53, the rear wheel 54, the motor 55, and the like, and detects the traveling direction of the walking assist device 500a.
- As the traveling direction detection unit 60 a method for detecting the rotation direction of the motor, an acceleration sensor, or the like is used.
- FIG. 17 is a block diagram showing an operation configuration of the walking assist device 500a according to the present embodiment.
- the approach determination unit 59 is provided near or inside the distance sensor 56 or the control unit 57 and includes an input unit 91.
- the distance D0 is input from the input unit 91 to the approach determination unit 59.
- the traveling direction detection unit 60 detects the traveling direction of the walking assistance device 500a.
- the control unit 57 controls the drive unit 55 according to the traveling direction detected by the traveling direction detection unit 60.
- the drive unit 55 is controlled so that the walking assistance device 500a stops by determining that the knee is broken, as in the fifth embodiment. To do.
- the walking assistance device 500a and the user approach while the walking assistance device 500a is moving backward it is determined that the user is about to fall back, and the backward movement of the walking assistance device 500a is suppressed, stopped, or advanced.
- the drive unit 55 is controlled.
- the distance between the user and the walking assist device 500a is different, so the distance for judging that the user is approaching when moving forward and when moving backward may be changed.
- the value input to the approach determination unit 59 from the input unit 91 may be set in two stages, and control may be performed based on the traveling direction detected by the traveling direction detection unit 60.
- FIG. 18 is a flowchart showing an example of the operation of the walking assistance device 500a in the present embodiment.
- the walking assistance device 500a and the user approach while the walking assistance device 500a is moving backward the walking assistance device 500a is temporarily advanced, and then the walking assistance device 500a is stopped for safety. To do.
- the start button of the walking assistance device 500a is turned on, and the walking assistance device 500a enters an operating state (step S1801).
- the distance D0 is input from the input unit 91 to the approach determination unit 59 (step S1802).
- the user holds the grip 52 of the walking assist device 500a, and the rear wheel 54 is driven and moved by the rotation of the motor 55, and the detection of the detection distance D1 by the distance sensor 56 and the direction of travel by the travel direction detector 60 are performed. Detection is performed (step S1803).
- the approach determination unit 59 compares the detection distance D1 from the walking assistance device 500 detected by the distance sensor 56 to the user with a predetermined distance D0 input in advance, and determines whether D1 ⁇ D0. (Step S1804). If D1 ⁇ D0 (YES in step S1804), the approach determination unit 59 determines that the user and the walking assistance device 500a have approached, and sends a determination signal to the control unit 57.
- the control unit 57 detects whether or not the traveling direction detected by the traveling direction detection unit 60 is forward (step S1805). If the forward direction is forward (YES in step S1805), the control unit 57 is connected to the rear wheel 54. The rotation of the motor 5 is stopped (step S1806), and the operation of the walking assist device 500a ends (step S1807).
- step S1805 when the traveling direction detected by the traveling direction detection unit 60 is backward (in the case of NO in step S1805), the walking assistance device 500a is temporarily advanced to widen the distance between the walking assistance device 500a and the user. The user's fall is prevented (step S1808). Thereafter, the rotation of the motor 5 connected to the rear wheel 54 is stopped (step S1806), and the operation of the walking assistance device 500a is ended (step S1807).
- step S1804 determines whether the stop button has been pressed (step S1804). S1809).
- the control unit 57 stops the rotation of the motor 55 connected to the rear wheel 54 according to the built-in program (step S1806), and assists walking.
- the operation of apparatus 500 ends (step S1807).
- the stop button is not pressed (NO in step S1809), the movement of the walking assistance device 500a and the detection by the distance sensor 56 and the traveling direction detection unit 60 are continued.
- Embodiment 7 Next, Embodiment 7 will be described. In the present embodiment, a method for controlling the drive unit using pressure detection in which the user holds the grip of the walking assist device will be described.
- FIG. 19 is a side view showing the structure of the walking assistance device 500b according to the present embodiment. Since the basic configuration of this embodiment is the same as that of the fifth embodiment, the same components as those of the fifth embodiment are denoted by the same reference numerals, and description of the drawings and description thereof are not repeated.
- the walking assistance device 500b includes the pressure detection unit 61 in the walking assistance device 500 of the fifth embodiment.
- the pressure detection unit 61 is provided, for example, in the grip 52 and detects the pressure at which the user grips the grip of the walking assist device 500b.
- a pressure sensor, a strain gauge, or the like is used as the pressure detector 61.
- FIG. 20 is a block diagram showing an operation configuration of the walking assist device 500b according to the present embodiment.
- the approach determination unit 59 is provided near or inside the distance sensor 56 or the control unit 57 and includes an input unit 91.
- a predetermined distance D0 is once input from the input unit 91 to the approach determination unit 59.
- FIG. 21 is a flowchart showing an example of the operation of the walking assistance device 500b in the present embodiment. The operation of the walking assistance device 500b will be described based on this figure.
- the start button of the walking assistance device 500b is turned on, and the walking assistance device 500b enters an operating state (step S2101).
- a predetermined distance D0 is input from the input unit 91 to the approach determination unit 59 (step S2102).
- the user holds the grip 52 of the walking assist device 500b, and the rear wheel 54 is driven and moved by the rotation of the motor 55, and the detection of the detection distance D1 by the distance sensor 56 and the detection of the traveling direction by the pressure detection unit 61. Is performed (step S2103).
- the pressure detection unit 61 detects whether or not the pressure for gripping the user's grip has changed (step S2104). If there is a pressure change (YES in step S2104), the numerical value of the predetermined distance D0 of the approach determination unit 59 is corrected (step S2105). Usually, when there is a pressure change, the predetermined distance D0 is corrected to a value larger than the initial set value. It should be noted that the change in D0 due to the pressure change is temporary and returns to the original distance DO when a predetermined time elapses in a steady state.
- the approach determination unit 59 compares the detected distance D1 from the walking assistance device 500 to the user detected by the distance sensor 56 with the predetermined distance D0. It is then determined whether D1 ⁇ D0 (step S2106). If D1 ⁇ D0 (YES in step S2106), the approach determination unit 59 determines that the user has approached the walking assistance device 500b, and sends a determination signal to the control unit 57. The control unit 57 stops the rotation of the motor 55 connected to the rear wheel 54 (step S2107), and the operation of the walking assistance device 500b ends (step S2108).
- step S2106 determines whether the stop button has been pressed.
- step S2109 the control unit 57 stops the rotation of the motor 55 connected to the rear wheel 54 according to the built-in program (step S2107), and assists walking.
- step S2108 the stop button is not pressed (NO in step S2109), the movement of the walking assistance device 500b and the detection by the distance sensor 56 and the pressure detection unit 61 are continued.
- the present invention when the distance between the user and the walking assist device is narrowed, the user is prevented from breaking the balance and preventing the knee from being folded or falling.
- An excellent walking assist device can be realized.
- the present invention can be suitably applied to a walking assist device used for walking, walking, etc. for elderly people who are difficult to walk, disabled people, or infants.
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Abstract
Description
図1は、実施形態1に係る歩行補助装置の構造を示す側面図及び上面図である。図1(a)は、本発明の実施の一形態に係る歩行補助装置100の構造を示す側面図、図1(b)は上面図である。歩行補助装置100は、基体1と、基体1が走行する走行面上を移動可能に支持する左右一対の前輪車輪3および後輪車輪4と、基体1の上に設けられており、使用者が支持するグリップ2と、後輪車輪4を駆動する駆動部であるモータ5を備えている。本構成では、モータ5は後輪車輪4に設置され、後輪車輪4を駆動することにより歩行補助装置100の動作を制御するが、モータ5は前輪車輪3を駆動して歩行補助装置100の動作を制御しても良いし、前輪車輪3、後輪車輪4の両方に設置してもかまわない。さらに基体1の中央付近には、荷物などを収納する収納部8が設けられている。
次に、実施形態2について説明する。本実施形態では、歩行補助装置の走行する路面の傾斜により安全距離範囲を設定する方法について説明する。
次に、実施形態3について説明する。本実施形態では、使用者が歩行補助装置のグリップ2を握る圧力検知を用いて駆動部5の制御を行う方法について説明する。
上記以外の実施形態として、傾斜検出部11、圧力検出部12以外に速度検出部を用いてもよい。速度検出部は前輪車輪3、後輪車輪4などに設けられ、歩行補助装置の速度を検出する。
図12は、実施形態4に係る歩行補助装置の構造を示す側面図及び上面図である。図12(a)は、本発明の実施の一形態に係る歩行補助装置500の構造を示す側面図、図12(b)は上面図である。歩行補助装置500は、基体51と、基体51が走行する走行面上を移動可能に支持する左右一対の前輪車輪53および後輪車輪54と、基体51の上に設けられており、使用者が支持するグリップ52と、後輪車輪54を駆動する駆動部であるモータ55を備えている。本構成では、モータ55は後輪車輪54に設置され、後輪車輪54を駆動することにより歩行補助装置500の動作を制御するが、モータ55は前輪車輪53を駆動して歩行補助装置500の動作を制御しても良いし、前輪車輪53、後輪車輪54の両方に設置してもかまわない。さらに基体51中央付近には、荷物などを収納する収納部58が設けられている。
次に、実施形態6について説明する。本実施形態では、歩行補助装置の進行方向により駆動部の制御を行う方法について説明する。
次に、実施形態7について説明する。本実施形態では、使用者が歩行補助装置のグリップを握る圧力検知を用いて駆動部の制御を行う方法について説明する。
Claims (12)
- 歩行補助装置であって、
基体と、
前記基体を移動させるように構成された駆動部と、
前記基体から使用者までの距離を検出するように構成された距離検出部と、
前記距離検出部で検出された距離と、予め定められた判定用の値とを比較することによる、少なくとも使用者が前記歩行補助装置に接近しすぎていることの判定結果に基づいて前記駆動部を制御するように構成された制御部とを備えた、歩行補助装置。 - 前記歩行補助装置は、さらに、
使用者の安全歩行時における前記基体から使用者までの距離範囲を安全距離範囲として設定するように構成された安全距離範囲設定部と、
前記距離検出部で検出された距離が前記安全距離範囲外であるか否かを判定するように構成された歩行状態判定部とを備え、
前記制御部が前記少なくとも使用者が前記歩行補助装置に接近しすぎていることの判定結果に基づいて前記駆動部を制御することは、前記歩行状態判定部が前記距離検出部で検出された距離が前記安全距離範囲外と判定した場合に、前記駆動部を制御することを含む、請求項1に記載の歩行補助装置。 - 前記安全距離範囲設定部は、
使用者が所定の時間安全歩行した時の前記基体から使用者までの距離に基づいて前記安全距離範囲を設定するように構成されている、請求項2記載の歩行補助装置。 - 前記安全距離範囲設定部は、
前記距離検出部により検出される距離が急激に変化した場合に、
前記安全距離範囲を狭く設定するように構成されている、請求項2または3記載の歩行補助装置。 - 前記歩行補助装置は、前記歩行補助装置の走行する路面の傾斜を検出するように構成された傾斜検出部をさらに備えており、
前記安全距離範囲設定部は、
前記傾斜検出部により検出される傾斜に基づいて前記安全距離範囲を設定するように構成されている、請求項2または3記載の歩行補助装置。 - 前記歩行補助装置は、前記歩行補助装置の速度を検出するように構成された速度検出部をさらに備えており、
前記安全距離範囲設定部は、
前記速度検出部により検出される速度に基づいて前記安全距離範囲を設定するように構成されている、請求項2または3記載の歩行補助装置。 - 前記歩行補助装置は、使用者がグリップを握る圧力を検出するように構成された圧力検出部をさらに備えており、
前記安全距離範囲設定部は、
前記圧力検出部により検出される圧力に基づいて前記安全距離範囲を設定するように構成されている、請求項2または3記載の歩行補助装置。 - 前記歩行補助装置は、該歩行補助装置の進行方向を検出するように構成された進行方向検出部をさらに備えており、
前記制御部は、前記進行方向検出部の検出した進行方向に基づき、前記駆動部を制御するように構成されている、請求項2または3記載の歩行補助装置。 - 前記歩行補助装置は、さらに、
前記距離検出部で検出された距離が所定の距離より狭いことを検出するように構成された接近判定部を備え、
前記制御部が前記少なくとも使用者が前記歩行補助装置に接近しすぎていることの判定結果に基づいて前記駆動部を制御することは、前記接近判定部が前記距離検出部で検出された距離が所定の距離より狭いことを検出した場合に、前記駆動部を制御することを含む、請求項1に記載の歩行補助装置。 - 前記歩行補助装置は、該歩行補助装置の進行方向を検出するように構成された進行方向検出部をさらに備え、
前記進行方向検出部が前進と判定した場合に、前記制御部は、前記歩行補助装置の前進を停止あるいは前進を増大するように前記駆動部を制御するように構成されている、請求項9記載の歩行補助装置。 - 前記進行方向検出部が後退と判定した場合に、前記制御部は、前記歩行補助装置の後退を抑制、停止、又は前進のいずれかを行うように前記駆動部を制御するように構成されている、請求項10記載の歩行補助装置。
- 前記歩行補助装置は、使用者のグリップを握る圧力を検出するように構成された圧力検出部をさらに備え、
前記制御部は、前記圧力検出部で検出される圧力が変化した場合に前記所定の距離を大きく設定するように構成されている、請求項9から11のいずれかに記載の歩行補助装置。
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JP2015540412A JP6076490B2 (ja) | 2013-10-03 | 2014-07-23 | 歩行補助装置 |
CN201480030217.5A CN105283164B (zh) | 2013-10-03 | 2014-07-23 | 步行辅助装置 |
US14/895,279 US9687410B2 (en) | 2013-10-03 | 2014-07-23 | Walking assistance device |
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WO2016171112A1 (ja) * | 2015-04-23 | 2016-10-27 | シャープ株式会社 | 歩行補助車 |
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JP2017169861A (ja) * | 2016-03-24 | 2017-09-28 | 株式会社安川電機 | アシスト装置及びアシスト方法 |
JP2019063435A (ja) * | 2017-10-05 | 2019-04-25 | トヨタ自動車株式会社 | 歩行訓練システム及びその制御方法 |
JP2022093417A (ja) * | 2017-12-27 | 2022-06-23 | トヨタ自動車株式会社 | 移動台車および移動台車の制御プログラム |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998041182A1 (fr) * | 1997-03-17 | 1998-09-24 | Hitachi, Ltd. | Dispositif d'aide a la marche |
JP2001170119A (ja) * | 1999-12-15 | 2001-06-26 | Hitachi Ltd | 歩行補助装置 |
JP2010213915A (ja) * | 2009-03-17 | 2010-09-30 | Yaskawa Electric Corp | 誘導装置および誘導装置の制御方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007090019A (ja) | 2005-09-29 | 2007-04-12 | Hiroshi Okamura | 歩行支援システム |
KR100716714B1 (ko) * | 2006-01-24 | 2007-05-09 | 주식회사 맥테크 | 실버용 보행 보조차 |
JP4665173B2 (ja) * | 2006-02-03 | 2011-04-06 | 独立行政法人科学技術振興機構 | 身体状態判定システム及び運動状態判定システム並びにこれらシステムを備える移動台車 |
US7708120B2 (en) * | 2007-08-17 | 2010-05-04 | Eli Einbinder | Electronically controlled brakes for walkers |
CN101332145B (zh) * | 2008-07-18 | 2010-08-11 | 西安交通大学 | 一种助行机器人 |
US8532841B2 (en) * | 2009-11-17 | 2013-09-10 | National Taiwan University | Rehabilitation device |
TW201117791A (en) * | 2009-11-17 | 2011-06-01 | Univ Nat Taiwan | Rehabilitation device |
TWI377057B (en) * | 2010-01-07 | 2012-11-21 | Univ Nat Yang Ming | Walking assistance device with detection members and application method thereof |
CN102247262B (zh) * | 2011-04-14 | 2013-05-22 | 上海交通大学 | 用于助行器的自动刹车装置 |
KR101892004B1 (ko) * | 2011-12-20 | 2018-08-28 | 엘지전자 주식회사 | 홀센서를 적용한 동작의도 파악 제어장치 및 이를 이용한 이동보조장치 |
CN202844047U (zh) * | 2012-09-19 | 2013-04-03 | 陈小敏 | 一种基于多路传感器的盲人行走辅助灵便装置 |
CN202929207U (zh) * | 2012-11-30 | 2013-05-08 | 重庆卓特科技有限公司 | 一种盲人探路装置 |
-
2014
- 2014-07-23 WO PCT/JP2014/069410 patent/WO2015049910A1/ja active Application Filing
- 2014-07-23 CN CN201480030217.5A patent/CN105283164B/zh active Active
- 2014-07-23 JP JP2015540412A patent/JP6076490B2/ja active Active
- 2014-07-23 US US14/895,279 patent/US9687410B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998041182A1 (fr) * | 1997-03-17 | 1998-09-24 | Hitachi, Ltd. | Dispositif d'aide a la marche |
JP2001170119A (ja) * | 1999-12-15 | 2001-06-26 | Hitachi Ltd | 歩行補助装置 |
JP2010213915A (ja) * | 2009-03-17 | 2010-09-30 | Yaskawa Electric Corp | 誘導装置および誘導装置の制御方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016171112A1 (ja) * | 2015-04-23 | 2016-10-27 | シャープ株式会社 | 歩行補助車 |
JP2016202609A (ja) * | 2015-04-23 | 2016-12-08 | シャープ株式会社 | 歩行補助車 |
CN105404302A (zh) * | 2015-12-03 | 2016-03-16 | 联想(北京)有限公司 | 一种移动装置及控制方法 |
WO2017153382A1 (de) * | 2016-03-10 | 2017-09-14 | Kuka Roboter Gmbh | Rollator mit stützfunktion und verfahren zum steuern desselben |
JP2017169861A (ja) * | 2016-03-24 | 2017-09-28 | 株式会社安川電機 | アシスト装置及びアシスト方法 |
JP2019063435A (ja) * | 2017-10-05 | 2019-04-25 | トヨタ自動車株式会社 | 歩行訓練システム及びその制御方法 |
US11103415B2 (en) | 2017-10-05 | 2021-08-31 | Toyota Jidosha Kabushiki Kaisha | Walking training system and method of controlling the same |
JP2022093417A (ja) * | 2017-12-27 | 2022-06-23 | トヨタ自動車株式会社 | 移動台車および移動台車の制御プログラム |
KR20220105199A (ko) * | 2021-01-18 | 2022-07-27 | 문인혁 | 사용자의 보행의도를 인식하여 자율 주행하는 스마트 롤레이터 및 이의 제어방법 |
KR102538738B1 (ko) * | 2021-01-18 | 2023-05-31 | 문인혁 | 사용자의 보행의도를 인식하여 자율 주행하는 스마트 롤레이터 및 이의 제어방법 |
Also Published As
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CN105283164B (zh) | 2017-10-10 |
JPWO2015049910A1 (ja) | 2017-03-09 |
CN105283164A (zh) | 2016-01-27 |
US20160106618A1 (en) | 2016-04-21 |
JP6076490B2 (ja) | 2017-02-08 |
US9687410B2 (en) | 2017-06-27 |
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