WO2010064315A1 - 車両の制御装置および制御方法 - Google Patents
車両の制御装置および制御方法 Download PDFInfo
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- WO2010064315A1 WO2010064315A1 PCT/JP2008/072130 JP2008072130W WO2010064315A1 WO 2010064315 A1 WO2010064315 A1 WO 2010064315A1 JP 2008072130 W JP2008072130 W JP 2008072130W WO 2010064315 A1 WO2010064315 A1 WO 2010064315A1
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- vehicle
- wheel
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- parking
- rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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Definitions
- the present invention relates to control of a vehicle using a motor operated by electric power supplied from a power storage device as a drive source, and more particularly to control of the vehicle when charging the power storage device using a power supply external to the vehicle.
- Patent Document 1 discloses a method for controlling the state of a vehicle that is being charged while preventing movement of the vehicle during charging and without being affected by chattering of a connection detection signal such as a charging connector.
- An electric vehicle is disclosed.
- This electric vehicle includes a charging terminal to which a charger output terminal for charging a storage battery for driving an electric vehicle is connected, and an electric vehicle including a charging terminal casing that is selectively covered with a lid.
- the first interlock means for enabling charging only when the gear position of the automatic transmission for driving the vehicle is in the parking position, and the gear position of the automatic transmission during charging of the electric vehicle driving storage battery moves from the parking position.
- a second interlock means for preventing this.
- charging can be performed only when the gear position of the automatic transmission for running the vehicle is in the parking position by the first interlock means, and the second interlock means can It is prevented that the gear position of the automatic transmission moves from the parking position during charging of the battery for driving an automobile.
- the present invention has been made to solve the above-described problems, and its object is to ensure the position of the vehicle during charging using a power source external to the vehicle while suppressing an increase in the number of parts and cost. It is providing the control apparatus and control method of a vehicle restrict
- a vehicle control device is a vehicle control device using at least a motor as a drive source.
- the vehicle includes a power storage device that supplies power to the motor, a charging connector that is disposed outside the vehicle and is used to charge the power storage device, a wheel, and a braking device that restricts rotation of the wheel.
- the control device includes a connection state detection unit that detects that the charging connector and the external power source are connected, a release detection unit that detects that the parking state of the vehicle is released, and a connection state detection unit and release detection. And a control unit that receives output from the unit. The control unit controls the braking device so that the degree of restriction on the rotation of the wheels increases when a control condition is established that the charging connector and the external power source are connected and the parking state is released. .
- the braking device when the charging connector is connected to the external power source and the control condition that the parking state is released is satisfied, the braking device is controlled so that the degree of restriction on the rotation of the wheel is increased. To do.
- the degree of restriction of the braking device By increasing the degree of restriction of the braking device, the movement of the vehicle being charged can be restricted even if the restriction of the movement of the vehicle is released by releasing the parking state. Further, such control can be performed using existing parts without providing new parts. Therefore, it is possible to provide a vehicle control device and a control method that reliably limit the position of the vehicle during charging using a power supply external to the vehicle while suppressing an increase in the number of parts and cost.
- control device further includes a gradient detection unit that detects a gradient of the road surface.
- control unit controls the braking device so that the degree of limitation of the rotation of the wheel increases when a condition that the gradient is equal to or greater than a predetermined gradient is satisfied.
- the degree of restriction of the rotation of the wheel by the braking device is increased, thereby moving the vehicle. Can be reliably limited.
- the braking device includes an electric pump that generates hydraulic pressure.
- the control unit controls the electric pump so that the degree of restriction on the rotation of the wheel increases when the control condition is satisfied.
- the degree of restriction on the rotation of the wheel can be increased by controlling the electric pump when the control condition is satisfied. Therefore, when the parking state is released during charging of the power storage device using the external power supply, the movement of the vehicle can be reliably restricted.
- the vehicle further includes an auxiliary battery that supplies electric power to the electric pump.
- the control device further includes a charge amount detection unit that detects the charge amount of the auxiliary battery. In addition to the control conditions, the control unit controls the braking device so that the degree of restriction on the rotation of the wheels increases when a condition that the charge amount is equal to or greater than a predetermined charge amount is satisfied.
- the electric pump in addition to the control condition, when the condition that the charge amount of the auxiliary battery is equal to or higher than the predetermined charge amount is satisfied, for example, the electric pump is operated using the electric power of the auxiliary battery.
- the movement of the vehicle can be surely restricted.
- the vehicle further includes a transmission that restricts the movement of the vehicle when the vehicle shifts to the parking state and releases the restriction when the parking state is released.
- the transmission shifts to the parking state when the parking position is selected as the shift position.
- the transmission is provided with a parking lock mechanism that restricts rotation of a shaft coupled to the vehicle wheel using a gear mechanism when a parking position is selected.
- the restriction on the rotation of the shaft connected to the vehicle wheel is released.
- the movement of the vehicle can be restricted by controlling the braking device so as to increase the degree of wheel restriction.
- the present invention it is possible to provide a vehicle control device and a control method that reliably limit the position of a vehicle during charging using an external power supply while suppressing an increase in the number of parts and cost.
- HV_ECU which is the control apparatus of the vehicle which concerns on a present Example.
- flowchart which shows the control structure of the program performed by HV_ECU which is the control apparatus of the vehicle which concerns on a present Example.
- 106 parking lock pole, 108 parking lock gear 120 engine, 122 intake passage, 122A air cleaner, 122B air flow meter, 122C electronic throttle, 122D throttle position sensor, 124 exhaust passage, 124A air-fuel ratio sensor, 124B three-way catalytic converter, 124C catalyst Temperature sensor, 124D silencer, 124E oxygen sensor, 130 fuel injection device, 140 motor generator, 140A generator, 140B motor, 160 wheels, 180 reducer, 200 power split mechanism, 202 transmission, 204 teeth, 208 protrusions, 210 Parking lock cam, 212 shaft, 220 running battery, 222 charging inverter, 226 coupling check S, 240 inverter, 242 converter, 260 battery ECU, 280 engine ECU, 300 MG_ECU, 320 HV_ECU, 340 brake ECU, 342 brake pedal stroke sensor, 344 shift position sensor, 346 gradient sensor, 348 shift lever, 350 brake actuator, 352 Brake rotor, 354 Brake caliper, 356 Wheel speed
- a hybrid vehicle will be described as an example.
- the present invention is not particularly limited to a hybrid vehicle, and may be an electric vehicle, for example.
- the vehicle is a vehicle equipped with a power storage device that uses at least a motor as a drive source and supplies electric power to the motor.
- the power storage device can be charged using a power supply external to the vehicle.
- the power storage device is described as being a battery that supplies power to a motor and a power conversion device (for example, an inverter and a converter) that appropriately converts power supplied to the motor.
- the battery is not limited and may be, for example, a battery that supplies electric power to an electric device different from the electric devices (motor and power conversion device) described above.
- the hybrid vehicle includes an internal combustion engine (hereinafter referred to as an engine) 120 as a drive source and a transmission 202.
- Transmission 202 includes a motor generator (MG) 140 that is a rotating electrical machine, a power split mechanism 200, and a speed reducer 180.
- MG motor generator
- the motor generator 140 is expressed as a generator 140A and a motor 140B.
- the generator 140A functions as a motor or the motor 140B functions as a generator depending on the traveling state of the hybrid vehicle. To do.
- an air cleaner 122A that captures dust of intake air
- an air flow meter 122B that detects the amount of air drawn into the engine 120 through the air cleaner 122A
- an amount of air drawn into the engine 120 are adjusted.
- An electronic throttle 122C having a throttle valve is provided.
- the electronic throttle 122C is provided with a throttle position sensor 122D.
- An engine ECU (Electronic Control Unit) 280 receives the intake air amount detected by the air flow meter 122B, the opening degree of the electronic throttle 122C detected by the throttle position sensor 122D, and the like.
- Engine 120 is provided with a plurality of cylinders and a fuel injection device 130 that supplies fuel to each of the plurality of cylinders.
- the fuel injection device 130 injects an appropriate amount of fuel to each cylinder at an appropriate time based on a fuel injection control signal from the engine ECU 280.
- a three-way catalytic converter 124B an air-fuel ratio sensor 124A for detecting an air-fuel ratio (A / F) in exhaust gas introduced into the three-way catalytic converter 124B, and a three-way catalytic converter
- a catalyst temperature sensor 124C that detects the temperature of 124B, a silencer 124D, and an oxygen sensor 124E that detects the oxygen concentration in the exhaust gas discharged from the three-way catalytic converter 124B are provided.
- a signal indicating the engine cooling water temperature is input to engine ECU 280 from water temperature detection sensor 360 that detects the temperature of the cooling water of engine 120.
- a crank position sensor 380 is provided on the output shaft of the engine 120, and a signal indicating the rotation speed of the output shaft is input from the crank position sensor 380 to the engine ECU 280.
- Reduction gear 180 transmits power generated by engine 120 and motor generator 140 to wheel 160 that is a drive wheel, and transmits driving force of wheel 160 to engine 120 and motor generator 140.
- Power split device 200 is, for example, a planetary gear mechanism, and distributes the power generated by engine 120 to two paths of wheels 160 (ie, motor 140B) and generator 140A.
- the sun gear of the planetary gear mechanism is connected to generator 140A
- the carrier is connected to engine 120
- the ring gear is connected to motor 140B.
- a transmission mechanism may be provided between the ring gear and the motor 140B.
- the hybrid vehicle further includes an inverter 240 and a traveling battery 220 that is the “power storage device” in the present embodiment.
- Traveling battery 220 stores electric power for driving motor generator 140.
- a capacitor or the like may be used as the power storage device instead of the traveling battery.
- Inverter 240 is a “power converter” that performs current control while converting the direct current of traveling battery 220 and the alternating current of generator 140 ⁇ / b> A and motor 140 ⁇ / b> B.
- the hybrid vehicle further includes a battery control unit (hereinafter referred to as a battery ECU) 260, an engine ECU 280, an MG_ECU 300, and an HV_ECU 320.
- a battery ECU batterye control unit
- Battery ECU 260 manages and controls the charge / discharge state of battery 220 for traveling.
- Engine ECU 280 controls the operating state of engine 120.
- MG_ECU 300 controls motor generator 140, battery ECU 260, inverter 240, and the like according to the state of the hybrid vehicle.
- the HV_ECU 320 manages and controls the battery ECU 260, the engine ECU 280, the MG_ECU 300, the brake ECU 340, and the like, and controls the entire hybrid system so that the hybrid vehicle can operate most efficiently.
- HV_ECU 320 is connected to a shift position sensor 344 that detects the position of a shift lever (not shown). Shift position sensor 344 transmits to HV_ECU 320 a shift position signal indicating the position of the shift lever. Further, the HV_ECU 320 is connected to a gradient sensor 346 that detects the gradient of the road surface on which the vehicle travels. The gradient sensor 346 transmits a gradient signal indicating the road surface gradient to the HV_ECU 320.
- the gradient sensor 346 is realized by a G sensor or the like, for example.
- a notification device 370 is connected to the HV_ECU 320.
- the notification device 370 notifies the driver of information according to the notification control signal from the HV_ECU 320.
- a converter 242 is provided between the traveling battery 220 and the inverter 240. This is because the rated voltage of the traveling battery 220 is lower than the rated voltage of the generator 140A and the motor 140B. Therefore, when power is supplied from the traveling battery 220 to the generator 140A and the motor 140B, the converter 242 boosts the power.
- This converter 242 has a built-in smoothing capacitor, and when the converter 242 performs a boosting operation, electric charge is stored in this smoothing capacitor.
- the hybrid vehicle in the present embodiment further includes a brake ECU 340 and a braking device 358.
- the braking device 358 includes a brake pedal (not shown), a master cylinder (not shown), a brake rotor 352, a brake caliper 354, and a brake actuator 350.
- the brake rotor 352 is fixed to the rotating shaft of the wheel 160 and rotates together with the wheel 160.
- the brake caliper 354 is provided so as to sandwich the brake rotor 352 from a direction parallel to the rotation axis using hydraulic pressure.
- the brake actuator 350 includes a solenoid valve (not shown), an electric pump 376, and an accumulator 378.
- the brake actuator 350 is connected to the master cylinder and receives supply of hydraulic pressure generated by operation of the brake pedal (depressing force on the brake pedal) from the master cylinder.
- the electric pump 376 receives hydraulic power from the auxiliary battery 382 and generates hydraulic pressure based on a control signal from the brake ECU 340.
- the accumulator 378 accumulates the hydraulic pressure generated by the operation of the electric pump 376.
- the solenoid valve adjusts the hydraulic pressure accumulated in the accumulator 378 and the hydraulic pressure supplied from the master cylinder based on a control signal from the brake ECU 340 and supplies the hydraulic pressure to the brake caliper 354.
- the hydraulic pressure is not limited to the supply form via the accumulator 378.
- the hydraulic pressure generated by the electric pump 376 is adjusted using a solenoid valve and supplied directly to the brake caliper 354. Also good.
- a wheel speed sensor 356 that detects the rotation speed of the wheel 160 is connected to the brake ECU 340.
- the wheel speed sensor 356 transmits a signal indicating the rotation speed of the wheel 160 to the brake ECU 340.
- the brake ECU 340 is connected to a brake pedal stroke sensor 342 that detects an operation amount of the brake pedal.
- the brake pedal stroke sensor 342 transmits a signal indicating the operation amount of the brake pedal to the brake ECU 340.
- a pedaling force detection sensor for example, a master cylinder pressure sensor
- detects a driver's pedaling force on the brake pedal may be used.
- the brake ECU 340 controls the brake actuator 350 so as to generate a braking force corresponding to the driver's intention based on the received operation amount of the brake pedal.
- each ECU is separately configured, but may be configured as an ECU in which two or more ECUs are integrated (for example, as shown by a dotted line in FIG. 1, battery ECU 260 and HV_ECU 320 An example of this is an ECU that integrates and).
- the driver's seat is provided with an accelerator pedal (not shown), and an accelerator position sensor (not shown) detects the amount of depression of the accelerator pedal.
- the accelerator position sensor outputs a signal indicating the amount of depression of the accelerator pedal to the HV_ECU 320.
- the HV_ECU 320 controls the output of the engine 120 or the power generation amount via the generator 140A, the motor 140B, and the engine ECU 280 according to the required driving force corresponding to the depression amount.
- the power split mechanism 200 uses a planetary gear mechanism (planetary gear) in order to distribute the power of the engine 120 to both the wheel 160 and the generator 140A. By controlling the rotational speed of generator 140A, power split device 200 also functions as a continuously variable transmission.
- planetary gear planetary gear
- the hybrid vehicle travels only by the motor 140 ⁇ / b> B of the motor generator 140 when the engine 120 is inefficient, such as when starting or running at a low speed.
- the power split mechanism 200 divides the power of the engine 120 into two paths, and on the one hand, the wheels 160 are directly driven, and on the other hand, the generator 140A is driven to generate power.
- the motor 140B is driven by the generated electric power to assist driving of the wheel 160.
- electric power from the traveling battery 220 is further supplied to the motor 140B to increase the output of the motor 140B to add driving force to the wheels 160.
- the motor 140B driven by the wheel 160 functions as a generator to perform regenerative power generation, and the recovered power is stored in the traveling battery 220.
- the output of engine 120 is increased to increase the amount of power generated by generator 140A to increase the amount of charge for traveling battery 220.
- control is performed to increase the driving force of the engine 120 as necessary even during low-speed traveling. For example, it is necessary to charge the traveling battery 220 as described above, to drive an auxiliary machine such as an air conditioner, or to raise the temperature of the cooling water of the engine 120 to a predetermined temperature.
- the engine 120 is stopped to improve fuel efficiency depending on the driving state of the vehicle and the state of the running battery 220. After that, the driving state of the vehicle and the state of the traveling battery 220 are detected, and the engine 120 is restarted using the generator 140A. In this way, the engine 120 is intermittently operated, and in a conventional vehicle (a vehicle equipped with only an engine), when the ignition switch is turned to the START position and the engine is started, the ignition switch is switched from the ON position to the ACC position. Or it is different in that the engine does not stop until it is in the OFF position.
- a parking lock mechanism 206 may be provided inside the transmission 202.
- the parking lock mechanism 206 may be provided at any position as long as it is a rotating shaft between the wheel 160 and the transmission 202.
- the parking lock mechanism 206 may not be provided in the vehicle.
- the parking lock mechanism 206 includes a parking lock gear 108 and a parking lock pole 106 as shown in FIG.
- the parking lock gear 108 may be provided on the output shaft of the transmission 202, or may be provided on the shaft of a gear meshed with the output shaft.
- the parking lock gear 108 has a disk shape and is provided with a plurality of tooth portions 204 along the rotation direction of the shaft 212.
- the parking lock pole 106 is supported by the housing of the transmission 202 so that one end thereof is rotatable.
- a protrusion 208 that matches the tooth portion 204 of the parking lock gear 108 is provided at the center of the parking lock pole 106.
- a parking lock cam 210 is provided at the other end of the parking lock pole 106 so as to contact the parking lock pole 106.
- the parking lock cam 210 has, for example, a conical shape, and when the parking lock cam 210 moves from the back side to the near side in FIG. 2, the other end of the parking lock pole 106 follows a conical inclined portion. And rotate in the direction of the arrow in FIG. The parking lock cam 210 moves from the back side to the near side in FIG.
- the parking lock cam 210 may be operated by driving of an actuator, or may be mechanically operated in conjunction with a driver's operation of a shift lever.
- the protrusion 208 of the parking lock pole 106 moves to a predetermined position that matches the tooth portion 204 of the parking lock gear 108 by driving the parking lock cam 210, the rotation of the parking lock gear 108 is limited.
- the parking lock mechanism 206 is operated to limit the rotation of the wheel 160. Further, when the parking position is released, the restriction on the rotation of the parking lock gear 108, that is, the rotation of the wheel 160 is released.
- the hybrid vehicle is connected to an external power source 500 disposed outside the vehicle by a vehicle-side charging connector (1) 224 and an AC from the external power source 500 via the charging connector (1) 224. It further includes a charging inverter 222 that receives electric power.
- the external power supply 500 is a household power supply, for example.
- the charging inverter 222 is connected to the traveling battery 220, and supplies DC power for charging to the traveling battery 220.
- the vehicle side charging connector (1) 224 is provided with a coupling confirmation sensor 226.
- the coupling confirmation sensor 226 is connected to the charging connector (1) 224 when the charging connector (2) 502 on the side of the external power supply 500 provided at the end of the charging cable extending from the external power supply 500 is connected.
- a signal indicating that charging connector (2) 502 is connected to 224 is transmitted to HV_ECU 320.
- the charging connector (1) 224 and the charging connector (2) 502 have shapes that can be fitted to each other (for example, a plug and a socket).
- the HV_ECU 320 activates the vehicle power source and performs a system related to charging (for example, a charging inverter) 222 and the like, and charging of the traveling battery 220 using the external power source 500 is started.
- a system related to charging for example, a charging inverter
- the coupling confirmation sensor 226 has one terminal (hereinafter referred to as a coupling confirmation terminal) among a plurality of terminals provided on the charging connector (1) 224. What was used will be described. That is, when the charging connector (2) 502 is connected to the charging connector (1) 224, the connection confirmation terminal is connected to a grounded terminal on the charging connector (2) 502 side.
- the HV_ECU 320 applies a voltage to the signal line connected to the connection confirmation terminal, and detects a change in the voltage on the signal line.
- HV_ECU 320 receives an output voltage that has changed when charging connector (2) 502 is connected to charging connector (1) 224 as a connector connection signal, charging connector (2) 502 is connected to charging connector (1) 224. Determine that connected.
- the coupling confirmation sensor 226 may be, for example, a sensor that detects the magnetic force of a magnet provided on the charging connector (2) 502 side, or a push that is pushed in when the charging connector (1) 224 and the charging connector (2) 502 are coupled. It may be of a button type and is not particularly limited to the above-described format. In FIG. 3, the plug at the other end of the charging cable provided with the charging connector (2) 502 is connected to the external power source 500.
- the power supplied from the external power source 500 will be described as being supplied to the traveling battery 220 via the charging inverter 222.
- the format is not limited.
- the electric power of the external power supply 500 may be supplied via the neutral point of the generator 140A or the motor 140B to charge the traveling battery 220.
- the notification device 370 is connected to a buzzer 372 and a lamp 374 as shown in FIG. In response to a notification instruction from the HV_ECU 320, the notification device 370 generates a warning sound from the buzzer 372 or the like, or turns on the lamp 374 of the driver's meter.
- the auxiliary battery 382 is provided with a voltmeter 384.
- Voltmeter 384 transmits a signal indicating the voltage of auxiliary battery 382 to HV_ECU 320.
- the HV_ECU 320 calculates the charge amount of the auxiliary battery 382 based on the received voltage of the auxiliary battery 382. Note that the HV_ECU 320 may detect the charge amount of the auxiliary battery 382 using other well-known techniques. Further, the signal from the voltmeter 384 may be transmitted to the HV_ECU 320 via the battery ECU 260, or the result of calculating the charge amount of the auxiliary battery 382 in the battery ECU 360 may be transmitted to the HV_ECU 320. May be.
- the HV_ECU 320 is connected to the charging connector (1) 224 and the charging connector (2) 502, and the parking state is released by operating the shift lever 348.
- the braking device 358 is controlled so as to increase the degree of restriction of the rotation of the wheel 160 when the control condition that the control is performed is satisfied.
- the HV_ECU 320 is a case where a connector connection signal is received from the coupling confirmation sensor 226 and the shift position received from the shift position sensor 344 is changed from the parking position to the parking position.
- an instruction to increase the hydraulic pressure supplied to the brake caliper 354 is transmitted to the brake ECU 340.
- the HV_ECU 320 transmits a notification instruction to the notification device 370 so as to notify the driver to return the shift position to the parking position by the notification device 370 in addition to transmission of the pressure increase instruction.
- the HV_ECU 320 increases the pressure to the braking device 358 when the condition about the vehicle state is satisfied in addition to the pressure increase condition of receiving the connector connection signal and changing the parking position to the shift position different from the parking position.
- An instruction may be transmitted.
- the condition regarding the state of the vehicle may be, for example, a condition that the gradient of the road surface is equal to or greater than a predetermined gradient, or the charge amount of the auxiliary battery 382 is equal to or greater than a predetermined charge amount. It may be a condition that there is.
- the predetermined gradient may be at least a gradient at which the vehicle starts to move due to gravity, and may be adapted by an experiment or the like.
- the predetermined charge amount may be at least a charge amount that can operate the brake actuator 350, and may be adapted by an experiment or the like.
- FIG. 4 shows a functional block diagram of the HV_ECU 320 which is a vehicle control apparatus according to the present embodiment.
- HV_ECU 320 includes a condition establishment determination unit 400, a connection state determination unit 402, a parking release determination unit 404, a brake pressure control unit 406, and a notification control unit 408.
- the condition establishment determination unit 400 determines whether or not a condition regarding the vehicle state is established. For example, the condition establishment determination unit 400 may determine whether or not the road surface gradient is greater than or equal to a predetermined gradient based on the gradient signal received from the gradient sensor 346, or may receive from the voltmeter 384. It may be determined whether or not the charging amount based on the voltage of the auxiliary battery 382 is equal to or greater than a predetermined value, or at least whether or not the parking position can be released (specifically In this case, it may be determined whether or not the IG of the vehicle is turned on and at least the neutral position can be selected. The establishment flag may be turned on.
- connection state determination unit 402 determines whether or not the charging connector (1) 224 and the charging connector (2) 502 are connected.
- the connection state determination unit 402 determines that the charging connector (1) 224 and the charging connector (2) 502 are connected when a connector connection signal is received from the coupling confirmation sensor 226. For example, when connection state determination unit 402 determines that charging connector (1) 224 and charging connector (2) 502 are connected, connection state determination flag may be turned on.
- the parking release determination unit 404 determines whether or not the parking position has been released. That is, the parking cancellation determination unit 404 determines that the parking position has been canceled when a shift position other than the parking position is selected from the parking position. Specifically, parking release determination unit 404 receives a shift position signal indicating a shift position (for example, D position, N position, and R position) different from the parking position from shift position sensor 344 when the parking position is selected. If received, it is determined that the parking position has been released. Note that the parking cancellation determination unit 404 may turn on the parking cancellation determination flag when determining that the parking position has been canceled, for example.
- a shift position signal indicating a shift position (for example, D position, N position, and R position) different from the parking position from shift position sensor 344 when the parking position is selected. If received, it is determined that the parking position has been released.
- the parking cancellation determination unit 404 may turn on the parking cancellation determination flag when determining that the parking position has been canceled, for example.
- the brake pressure control unit 406 is configured such that when a condition about the vehicle state is established, the charging connector (1) 224 and the charging connector (2) 502 are connected, and the parking position is released, The braking device 358 is controlled so that the degree of limitation of rotation increases. Specifically, the brake pressure control unit 406 transmits a pressure increase control signal to the brake ECU 340 so that the hydraulic pressure supplied to the brake caliper 354 increases by a predetermined hydraulic pressure. When the brake ECU 340 receives the pressure increase control signal from the HV_ECU 320, the brake ECU 340 controls the brake actuator 350 to increase the degree of limitation of the rotation of the wheels. Note that the brake pressure control unit 406 controls the braking device 358 so that the degree of restriction on the rotation of the wheel increases, for example, when the condition establishment flag, the connection state determination flag, and the parking release determination flag are all on. You may do it.
- the notification control unit 408 notifies the driver when the condition about the vehicle state is established, the charging connector (1) 224 and the charging connector (2) 502 are connected, and the parking position is released.
- the notification device 370 is controlled so as to notify the user that the shift position is to be returned to the parking position.
- the notification may be performed by, for example, characters or images on a meter or a display, or may be performed by sound from a speaker in addition to the sound of the buzzer 372. Good.
- condition establishment determination unit 400 the connection state determination unit 402, the parking release determination unit 404, the brake pressure control unit 406, and the notification control unit 408 are all CPU (Central Processing Unit). Is described as functioning as software realized by executing a program stored in a memory, but may be realized by hardware. Such a program is recorded on a recording medium and mounted on the vehicle. Various information, programs, threshold values, maps, and the like are stored in the memory and read from the CPU as necessary.
- CPU Central Processing Unit
- step (hereinafter, step is referred to as S) 100 HV_ECU 320 determines whether or not a condition regarding the state of the vehicle is satisfied. If the condition for the vehicle state is satisfied (YES in S100), the process proceeds to S102. If not (NO in S100), the process returns to S100.
- HV_ECU 320 determines whether or not charging connector (1) 224 and charging connector (2) 502 are connected. If charging connector (1) 224 and charging connector (2) 502 are connected (YES in S102), the process proceeds to S104. If not (NO in S102), the process returns to S100.
- HV_ECU 320 determines whether or not the parking position is released. If the parking position is released (YES in S104), the process proceeds to S106. If not (NO in S104), the process returns to S100.
- the HV_ECU 320 performs brake pressure increase control. Specifically, the HV_ECU 320 transmits a pressure increase control signal to the brake ECU 340. In S108, HV_ECU 320 performs notification control. Specifically, HV_ECU 320 transmits a notification control signal to notification device 370.
- HV_ECU 320 which is a vehicle control apparatus according to the present embodiment based on the above-described structure and flowchart, will be described.
- the charging connector (1) 224 and the charging connector (2) 502 are connected, and the vehicle traveling battery 220 is charged using an external power source. To do.
- brake pressure increase control is performed (S106). Accordingly, the degree of restriction of the rotation of the wheel by the braking device 358 increases regardless of whether the driver operates the brake pedal. Therefore, when the parking position is released, the rotation of the wheel 160 by the parking lock mechanism 206 is performed. Even if the restriction is released, the movement of the vehicle is restricted.
- the driver is notified that the shift position is urged to return to the parking position.
- the vehicle control apparatus of the present embodiment when the charging connector (1) and the external power source are connected and the control condition that the parking state is released is satisfied, braking is performed.
- the degree of restriction of the device By increasing the degree of restriction of the device, the movement of the vehicle being charged can be restricted even if the restriction of the movement of the vehicle is released by releasing the parking state. Further, such control can be performed using existing parts without providing new parts. Therefore, it is possible to provide a vehicle control device and a control method that reliably limit the position of the vehicle during charging using a power supply external to the vehicle while suppressing an increase in the number of parts and cost.
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Abstract
Description
Claims (10)
- 少なくともモータ(140B)を駆動源とする車両の制御装置であって、前記車両は、前記モータ(140B)に電力を供給する蓄電装置(220)と、前記車両の外部に配置され、前記蓄電装置(220)の充電に用いられる外部電源(500)と接続するための充電コネクタ(224)と、車輪(160)と、前記車輪(160)の回転を制限する制動装置(358)とを含み、
前記充電コネクタ(224)と前記外部電源(500)とが接続されていることを検出する接続状態検出ユニット(226)と、
前記車両の駐車状態が解除されたことを検出する解除検出ユニット(344)と、
前記接続状態検出ユニット(226)と前記解除検出ユニット(344)とからの出力を受ける制御ユニット(320)とを含み、
前記制御ユニット(320)は、
前記充電コネクタ(224)と前記外部電源(500)とが接続されており、かつ、前記駐車状態が解除されたという制御条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記制動装置(358)を制御する、車両の制御装置。 - 前記制御装置は、路面の勾配を検出する勾配検出ユニット(346)をさらに含み、
前記制御ユニット(320)は、前記制御条件に加えて、前記勾配が予め定められた勾配以上であるという条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記制動装置(358)を制御する、請求の範囲第1項に記載の車両の制御装置。 - 前記制動装置(358)は、油圧を発生する電動ポンプ(376)を含み、
前記制御ユニット(320)は、前記制御条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記電動ポンプ(376)を制御する、請求の範囲第1項に記載の車両の制御装置。 - 前記車両は、前記電動ポンプ(376)に電力を供給する補機バッテリ(382)をさらに含み、
前記制御装置は、前記補機バッテリ(382)の充電量を検出する充電量検出ユニット(384)をさらに含み、
前記制御ユニット(320)は、前記制御条件に加えて、前記充電量が予め定められた充電量以上であるという条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記制動装置(358)を制御する、請求の範囲第3項に記載の車両の制御装置。 - 前記車両は、前記車両が駐車状態へ移行することにより前記車両の移動を制限し、かつ、前記駐車状態が解除された場合に前記制限を解除するトランスミッション(202)をさらに含み、
前記トランスミッション(202)は、シフトポジションとしてパーキングポジションが選択された場合に前記駐車状態に移行し、
前記トランスミッション(202)には、前記パーキングポジションが選択された場合に、前記車両の車輪(160)に連結される軸の回転を歯車機構を用いて制限するパーキングロック機構(206)が設けられる、請求の範囲第1項~第4項のいずれかに記載の車両の制御装置。 - 少なくともモータ(140B)を駆動源とする車両の制御装置であって、前記車両は、前記モータ(140B)に電力を供給する蓄電装置(220)と、前記車両の外部に配置され、前記蓄電装置(220)の充電に用いられる外部電源(500)と接続するための充電コネクタ(224)と、車輪(160)と、前記車輪(160)の回転を制限する制動装置(358)とを含み、
前記充電コネクタ(224)と前記外部電源(500)とが接続されていることを検出するステップと、
前記車両の駐車状態が解除されたことを検出するステップと、
前記充電コネクタ(224)と前記外部電源(500)とが接続されており、かつ、前記駐車状態が解除されたという制御条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記制動装置(358)を制御するステップとを含む、車両の制御方法。 - 前記制御方法は、路面の勾配を検出するステップをさらに含み、
前記制動装置(358)を制御するステップは、前記制御条件に加えて、前記勾配が予め定められた勾配以上であるという条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記制動装置(358)を制御する、請求の範囲第6項に記載の車両の制御方法。 - 前記制動装置(358)は、油圧を発生する電動ポンプ(376)を含み、
前記制動装置(358)を制御するステップは、前記制御条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記電動ポンプ(376)を制御する、請求の範囲第6項に記載の車両の制御方法。 - 前記車両は、前記電動ポンプ(376)に電力を供給する補機バッテリ(382)をさらに含み、
前記制御方法は、前記補機バッテリ(382)の充電量を検出するステップをさらに含み、
前記制動装置(358)を制御するステップは、前記制御条件に加えて、前記充電量が予め定められた充電量以上であるという条件が成立した場合に、前記車輪(160)の回転の制限の度合が増加するように前記制動装置(358)を制御する、請求の範囲第8項に記載の車両の制御方法。 - 前記車両は、前記車両が駐車状態へ移行することにより前記車両の移動を制限し、かつ、前記駐車状態が解除された場合に前記制限を解除するトランスミッション(202)をさらに含み、
前記トランスミッション(202)は、シフトポジションとしてパーキングポジションが選択された場合に前記駐車状態に移行し、
前記トランスミッション(202)には、前記パーキングポジションが選択された場合に、前記車両の車輪(160)に連結される軸の回転を歯車機構を用いて制限するパーキングロック機構(206)が設けられる、請求の範囲第6項~第9項のいずれかに記載の車両の制御方法。
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JP2010541175A JP4877418B2 (ja) | 2008-12-05 | 2008-12-05 | 車両の制御装置および制御方法 |
CN2008801322077A CN102239063B (zh) | 2008-12-05 | 2008-12-05 | 车辆的控制装置以及控制方法 |
US13/129,519 US8223004B2 (en) | 2008-12-05 | 2008-12-05 | Control device and control method for vehicle |
PCT/JP2008/072130 WO2010064315A1 (ja) | 2008-12-05 | 2008-12-05 | 車両の制御装置および制御方法 |
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JP2013032046A (ja) * | 2011-07-31 | 2013-02-14 | Denso Corp | パーキング制御装置 |
JP2015162968A (ja) * | 2014-02-27 | 2015-09-07 | 日野自動車株式会社 | 車両の走行インターロックシステム |
EP2617531A4 (en) * | 2010-09-19 | 2016-09-21 | Ecovacs Robotics Suzhou Co Ltd | INTELLIGENT ROBOT SYSTEM AND GARAGE METHOD FOR RECHARGING THIS SYSTEM |
JP2020145796A (ja) * | 2019-03-05 | 2020-09-10 | 東京電力ホールディングス株式会社 | 車載制御装置、車載制御プログラム及び電力供給システム |
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GB201118624D0 (en) | 2011-10-27 | 2011-12-07 | Land Rover Uk Ltd | Electric selector control system and related method |
WO2013097818A1 (zh) * | 2011-12-31 | 2013-07-04 | 深圳市比亚迪汽车研发有限公司 | 电动汽车的充电方法及充电装置 |
JP5935388B2 (ja) * | 2012-02-29 | 2016-06-15 | 日産自動車株式会社 | 車両の充電ケーブル接続時における移動制限装置 |
DE102012221123A1 (de) * | 2012-11-20 | 2014-05-22 | Robert Bosch Gmbh | Sicherheitsvorrichtung zum Überwachen eines Aufladens eines elektrischen Energiespeichers eines Kraftfahrzeuges und Verfahren zum Betreiben einer Sicherheitsvorrichtung zum Überwachen eines Aufladens eines elektrischen Energiespeichers eines Kraftfahrzeuges |
CN105074291B (zh) * | 2013-03-07 | 2016-11-09 | 日产自动车株式会社 | 电动车辆的变速控制装置 |
JP2014177255A (ja) * | 2013-03-15 | 2014-09-25 | Aisin Seiki Co Ltd | 車両制御装置 |
DE102013206611A1 (de) * | 2013-04-12 | 2014-10-16 | Robert Bosch Gmbh | Überwachungsvorrichtung für ein Fahrzeug und Verfahren zur Überwachung eines Fahrzeugs |
DE102015214543A1 (de) * | 2015-07-30 | 2017-02-02 | Continental Automotive Gmbh | Verfahren zum sicheren Laden eines Plug-In-Fahrzeugs |
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CN102239063A (zh) | 2011-11-09 |
US8223004B2 (en) | 2012-07-17 |
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US20110227714A1 (en) | 2011-09-22 |
CN102239063B (zh) | 2012-10-17 |
JP4877418B2 (ja) | 2012-02-15 |
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