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CA2549870A1 - Collision avoidance and rfid system - Google Patents

Collision avoidance and rfid system Download PDF

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Publication number
CA2549870A1
CA2549870A1 CA002549870A CA2549870A CA2549870A1 CA 2549870 A1 CA2549870 A1 CA 2549870A1 CA 002549870 A CA002549870 A CA 002549870A CA 2549870 A CA2549870 A CA 2549870A CA 2549870 A1 CA2549870 A1 CA 2549870A1
Authority
CA
Canada
Prior art keywords
collision avoidance
avoidance system
devices
sub
type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002549870A
Other languages
French (fr)
Inventor
Donald Wayne Ablitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
1311949 ONTARIO Inc O A JANNAT
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA002549870A priority Critical patent/CA2549870A1/en
Publication of CA2549870A1 publication Critical patent/CA2549870A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00Tags attached to, or associated with, an object, in order to enable detection of the object
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16PSAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/147Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using electro-magnetic technology, e.g. tags or radar
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/68Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/0202Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0225Monitoring making use of different thresholds, e.g. for different alarm levels
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/0202Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0233System arrangements with pre-alarms, e.g. when a first distance is exceeded
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/16Anti-collision systems
    • G08G1/161Decentralised systems, e.g. inter-vehicle communication
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2420/00Indexing codes relating to the type of sensors based on the principle of their operation
    • B60W2420/54Audio sensitive means, e.g. ultrasound
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/095Predicting travel path or likelihood of collision

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Child & Adolescent Psychology (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

A system comprised of radio frequency transceivers mounted on vehicles and humans whereby the transceivers detect one another and warn the wearer or vehicle operator of a possible collision. Fixed hazards such as open holes can have a portable transceiver setup nearby to warn personnel of the hazard. The range at which the hazards are detected and warnings issued are programmable.
A
zone in around the operator area of a vehicle can be set up in which the operator's tag and the vehicle's tag ignore one another. Special transceivers can be set up as 'readers' and would collect unit ID's as they passed within the set range and the information passed on to a central processor.

Description

Collision Avoidance and RFID System System Overview - Two functions performed with one system; Collision Avoidance and RFID
(radio frequency identification) - Common hardware: radio transceiver - Collision avoidance and RFID performed with same messages - Stand alone system that requires no external communication infrastructure.
Collision Avoidance Purpose:
To aid in the prevention of collisions between vehicles and other vehicles/machinery as well as between vehicles and humans. These incidents commonly occur in an industrial situation where large vehicles with limited operator visibility are used.

How it works:
- Each vehicle and person is equipped with a Collision Avoidance / RFID
transceiver or 'tag'.
- The tags detect one another using received signal strength (RSSI).
- Tags listen most of the time but transmit their message several times per second using an anti message collision protocol such as carrier sense multiple access (CSMA).
- The messages contain codes identifying the type of equipment as well as a unique ID.

- If the received signal strength is higher than the programmed threshold then the remote tag is considered a hazard and the local tag listens for the remote tag's message.
- Visual andlor audible warnings are given in the event of a possible collision.
- Different warnings are given for different types of hazards. In the case of visual warnings, different coloured warning lights could be used as well as a display indicating the hazard type and ID. Audible warnings could be as simple as an alarm buzzer or canned speech messages indicating the hazard type could be employed.
- By comparing past and present ID numbers, units can determine if multiple hazards of the same type are present and give a different warning than given for a single hazard of that type.
- Operates basically as an 'ad-hoc' network, no infrastructure required.
- System can handle multiple types of units or hazard types.
- A unit can be set to either accept or ignore messages from certain hazard types.

Tag or Hazard Types Fixed Hazard Tag:
- Can be placed on any object or in any area that presents a potential hazard to vehicle operators or humans on foot. i.e. an open hole, restricted area, unsafe ground.
- Sub-types of the fixed hazard tag are possible as well.
- Acts as a hazard beacon (like a lighthouse) - Tag could be either be strictly an RF warning or could be accompanied by a visual or audible warning that is enabled either all the time or when a vehicle or human with a tag approaches Vehicle Tag:
- Tag type used on all mobile equipment - Sub-types of the vehicle tag are possible as well - Vehicle tags can be programmed to consider any tag type or sub-type a hazard or to ignore them - Each type of detected hazard could produce a unique visual or audible warning Human Tag:
- Can be fitted into a safety vest, a belt-pack unit, a hardhat or a miner's caplamp.
- Human tags can be programmed to consider any tag type or sub-type a hazard or to ignore them. (i.e. human tags would likely be programmed to ignore messages from other human tags) - Wearer will be notified of detected hazard visually with a light, audibly with an alarm or by way of vibrating the tag unit.

Special Situations Quiet Zone:
- Unique to vehicle/human situations - Programmable zone in very close proximity to vehicle in which neither human nor vehicle operator via vehicle unit is given a warning. The two "ignore" one another when the signal strength (RSSI)exceeds a certain threshold thus creating three "zones"; working, hazard and quiet. (See Appendix A) - Prevents constant warnings given and received by vehicle operators and passengers.

RFID

Purpose:
Provide time stamped location information for all tag equipped humans, vehicles or equipment.

How it works:
- Uses same tag hardware as collision avoidance.
- Fixed tag readers placed anywhere that detection of personnel, vehicle or equipment presence is desired. (i.e. refuge station in an underground mine) - Collects ID's from units in vicinity of reader.
- Collection range is programmable.
- ID's are collected as the units are transmitting their hazard type and ID
messages three times per second.
- Reader will not receive more than one message at a time due to the anti message collision protocol used among the tags.
- Once a reader has received a valid ID it can either store the ID and wait to be polled by a remote computer or send the information as soon as it's received.
- Fixed readers can be used to trigger events upon detection of certain types of units. (i.e. underground ventilation door control, underground ventilation control based on number and types of vehicles in area, automatically disabling machinery upon detection of personnel in danger zone)

Claims (23)

1. A collision avoidance and RFID system comprising devices attached to vehicles and or people and or fixed locations to detect other devices of the same nature in proximity by way of received radio frequency (RF) signal strength.
2. A collision avoidance system as defined in claim 1, including devices comprising a means of RF transmission and reception, a means of measuring received RF levels, a means of dynamically controlling said means of transmission and reception, a means of dynamically setting one or more RF thresholds, a means of comparing measured RF
levels to said thresholds and a means of indicating a possible collision to a user.
3. A collision avoidance system as defined in claim 2 further comprising one or more detection zones around a device defined by RF thresholds whereby a received message from another device whose RF level exceeds the threshold would constitute a possible collision.
4. A collision avoidance system as defined in claim 3 further comprising a message protocol that includes sending a device unique identifier (ID) with each transmission.
5. A collision avoidance system as defined in claim 4, including any number of sub-type classifications of devices.
6. A collision avoidance system as defined in claim 5 further comprising a means of assigning specific a RF threshold or detection zone to each sub-type classification of devices.
7. A collision avoidance system as defined in claim 6 further comprising of a means of disabling a user-worn device when in very close proximity to a vehicle mounted device whereby preventing constant possible collision detections between a driver or passenger equipped with a user-worn device and the vehicle mounted device.
8. A collision avoidance system as defined in claim 7 including a second RF threshold for a sub-type in close proximity to a user-worn device that, if exceeded, would trigger a disabling function in the user-worn device.
9. A collision avoidance system as defined in claim 7 including a user operated switch that would trigger a disabling function in a user-worn device.
10. A collision avoidance system as defined in claim 7 including a second RF threshold in a vehicle mounted device for a user-worn sub-type in close proximity to the vehicle that if exceed would trigger the transmission of a "disable" message to the specific ID that exceeded the threshold.
11. A collision avoidance system as defined in claim 5 further comprising a means of using the ID's and sub-types classifications of received messages to determine the number of devices of each sub-type within the detection zone(s) of a device.
12. A collision avoidance system as defined in claim 11, including a means of indicating a possible collision consisting of a single warning light or a series of lights representing different sub-types.
13. A collision avoidance system as defined in claim 12 further comprising using the warning light(s) to convey the detection of different numbers of devices by leaving them on or flashing at a set rate or rates.
14. A collision avoidance system as defined in claim 11, including a means of indicating a possible collision consisting of a single audible alarm or a number of unique alarms representing different device sub-types.
15. A collision avoidance system as defined in claim 11, including a means of indicating a possible collision consisting of a vibrator motor.
16. A collision avoidance system as defined in claim 2, using a multiple access protocol to prevent multiple devices in the system from transmitting at the same time.
17. A collision avoidance system as defined in claim 16, in which devices transmit messages including their sub-type and ID on a common frequency as to allow receiving units to identify the type of hazard in the area.
18. A collision avoidance system as defined in claim 17 further comprising a communications protocol whereby devices transmit n times per second on frequency A and spend the remainder of the time in receive mode on frequency A listening for other devices in the system.
19. A collision avoidance system as defined in claim 16, in which devices of different sub-types transmit messages on frequency A to frequency n, with n being the number of device sub-types in the system, to allow receiving units to identify the type of hazard in the area.
20. A collision avoidance system as defined in claim 19 further comprising a communications protocol whereby devices transmit n times per second on the frequency assigned to their sub-type and spend the remainder of the time in receive mode scanning through frequencies A...n listening for other devices in the system.
21. A collision avoidance system as defined in claim 10 including a device sub-type that are mounted in fixed locations that constantly monitor the system's frequency or frequencies and collect the ID's of any devices that transmit messages exceeding the stationary devices' RF
threshold.
22. A collision avoidance system as defined in claim 21 further comprising a means time-stamping the ID's as they are received.
23.A collision avoidance system as defined in claim 22 further comprising a means of transporting the time-stamped ID's along with the stationary devices' ID from a plurality of stationary devices to a central computer for the purpose of personnel and vehicle tracking.
CA002549870A 2006-06-06 2006-06-06 Collision avoidance and rfid system Abandoned CA2549870A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002549870A CA2549870A1 (en) 2006-06-06 2006-06-06 Collision avoidance and rfid system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002549870A CA2549870A1 (en) 2006-06-06 2006-06-06 Collision avoidance and rfid system

Publications (1)

Publication Number Publication Date
CA2549870A1 true CA2549870A1 (en) 2007-12-06

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1035432C2 (en) * 2008-05-19 2009-11-20 Deighton Van Baar & Stroet Tec Road safety system for e.g. cyclist, has radio frequency identification transceivers in both truck and cycle, where system generates audible/visual signal when transceivers are within predetermined transmission and reception range
WO2010060797A1 (en) * 2008-11-28 2010-06-03 Siemens Aktiengesellschaft Method for collision warning and collision warning system
ITUD20090018A1 (en) * 2009-01-29 2010-07-30 Casagrande Spa CONTROL DEVICE FOR THE DANGEROUS AREA SURROUNDING A OPERATING MACHINE AND ITS CONTROL PROCEDURE
GB2476232A (en) * 2009-12-11 2011-06-22 Robotics Ltd Const Proximity monitoring
FR2956844A1 (en) * 2010-02-26 2011-09-02 Alain Vial System for improving safety for deaf person located near audible or silence vehicles e.g. electric vehicle, has frequency receiver receiving and recognizing signal and informing person about proximity of vehicle using sound or light alarm
EP2377724A1 (en) * 2010-04-15 2011-10-19 Deere & Company Context-Based sound generation
EP2713180A1 (en) * 2012-09-27 2014-04-02 Honeywell International Inc. Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
EP2569762A4 (en) * 2010-05-12 2015-05-20 Proxisafe Ltd Event warning system and method thereof
ES2559643A1 (en) * 2015-04-16 2016-02-15 Ence Energía Y Celulosa, S.A. Active safety system and device to prevent accidents by reach in logging operations (Machine-translation by Google Translate, not legally binding)
EP3271878A1 (en) * 2015-03-17 2018-01-24 Amazon Technologies Inc. Systems and methods to facilitate human/robot interaction
US10274595B2 (en) 2012-05-30 2019-04-30 Honeywell International Inc. Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
FR3132971A1 (en) 2022-02-23 2023-08-25 Elliop SAFETY SYSTEM TO LIMIT THE RISK OF COLLISION BETWEEN USERS OF A TRAFFIC SPACE

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1035432C2 (en) * 2008-05-19 2009-11-20 Deighton Van Baar & Stroet Tec Road safety system for e.g. cyclist, has radio frequency identification transceivers in both truck and cycle, where system generates audible/visual signal when transceivers are within predetermined transmission and reception range
WO2010060797A1 (en) * 2008-11-28 2010-06-03 Siemens Aktiengesellschaft Method for collision warning and collision warning system
ITUD20090018A1 (en) * 2009-01-29 2010-07-30 Casagrande Spa CONTROL DEVICE FOR THE DANGEROUS AREA SURROUNDING A OPERATING MACHINE AND ITS CONTROL PROCEDURE
GB2476232A (en) * 2009-12-11 2011-06-22 Robotics Ltd Const Proximity monitoring
FR2956844A1 (en) * 2010-02-26 2011-09-02 Alain Vial System for improving safety for deaf person located near audible or silence vehicles e.g. electric vehicle, has frequency receiver receiving and recognizing signal and informing person about proximity of vehicle using sound or light alarm
EP2377724A1 (en) * 2010-04-15 2011-10-19 Deere & Company Context-Based sound generation
EP2569762A4 (en) * 2010-05-12 2015-05-20 Proxisafe Ltd Event warning system and method thereof
US10274595B2 (en) 2012-05-30 2019-04-30 Honeywell International Inc. Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
JP2014071112A (en) * 2012-09-27 2014-04-21 Honeywell Internatl Inc Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
CN103700287A (en) * 2012-09-27 2014-04-02 霍尼韦尔国际公司 Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
CN103700287B (en) * 2012-09-27 2018-01-23 霍尼韦尔国际公司 The system and method that vehicles anticollision warning is performed by sensor pulse
EP2713180A1 (en) * 2012-09-27 2014-04-02 Honeywell International Inc. Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
US10451725B2 (en) 2012-09-27 2019-10-22 Honeywell International Inc. Systems and methods for performing vehicle collision-avoidance warning via sensor pulse
EP3271878A1 (en) * 2015-03-17 2018-01-24 Amazon Technologies Inc. Systems and methods to facilitate human/robot interaction
ES2559643A1 (en) * 2015-04-16 2016-02-15 Ence Energía Y Celulosa, S.A. Active safety system and device to prevent accidents by reach in logging operations (Machine-translation by Google Translate, not legally binding)
FR3132971A1 (en) 2022-02-23 2023-08-25 Elliop SAFETY SYSTEM TO LIMIT THE RISK OF COLLISION BETWEEN USERS OF A TRAFFIC SPACE

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