WO2020066434A1 - 電動車両 - Google Patents
電動車両 Download PDFInfo
- Publication number
- WO2020066434A1 WO2020066434A1 PCT/JP2019/033618 JP2019033618W WO2020066434A1 WO 2020066434 A1 WO2020066434 A1 WO 2020066434A1 JP 2019033618 W JP2019033618 W JP 2019033618W WO 2020066434 A1 WO2020066434 A1 WO 2020066434A1
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- WIPO (PCT)
- Prior art keywords
- electric vehicle
- state
- drive
- processing unit
- switch
- 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.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/20—Cycle computers as cycle accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/14—Handlebar constructions, or arrangements of controls thereon, specially adapted thereto
-
- 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
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/26—Transition between different drive modes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
- B62H1/02—Articulated stands, e.g. in the shape of hinged arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2202/00—Motorised scooters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2204/00—Adaptations for driving cycles by electric motor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to an electric vehicle driven by a rotating electric machine.
- Japanese Patent Application Laid-Open No. 2010-120597 discloses that when a stop switch is pressed, all controls in the vehicle are stopped.
- the state transits to a driving prohibition state (hereinafter, also referred to as an inhibitor state) in which the driving of the electric vehicle is prohibited.
- an inhibitor state a driving prohibition state
- the electric vehicle stops.
- the start switch is pressed, the output of the rotating electric machine is transmitted to the drive wheels, and the electric vehicle can be driven. Therefore, in order to return the drive of the electric vehicle from the inhibitor state, it is necessary to temporarily stop the electric vehicle. As a result, while the electric vehicle is traveling, even if the inhibitor state is eliminated, the driving of the electric vehicle cannot be quickly returned.
- An aspect of the present invention is an electric vehicle driven by a rotating electric machine, wherein during driving of the electric vehicle, a driving prohibition processing unit that transitions to an inhibitor state that prohibits driving of the electric vehicle, and during driving of the electric vehicle, A drive return processing unit that returns the drive of the electric vehicle when the inhibitor state is eliminated.
- the driving of the electric vehicle can be promptly returned without stopping the electric vehicle when the inhibitor state is eliminated during the running of the electric vehicle.
- FIG. 1 is a left side view of the electric vehicle according to the present embodiment.
- FIG. 2 is a rear view of a front portion of the electric vehicle shown in FIG.
- FIG. 3 is a block diagram of the electric vehicle shown in FIG.
- FIG. 4 is a state transition diagram showing the operation of the electric vehicle shown in FIGS.
- FIG. 1 is a left side view of an electric vehicle 10 according to the present embodiment.
- front and rear, left and right, and up and down directions will be described according to the direction seen by the driver sitting on the seat 12 of the electric vehicle 10.
- components arranged on a left and right side may be described with a letter "L” for a component on the left and "R” for a component on the right.
- the electric vehicle 10 is a straddle-type electric motorcycle, and runs by rotating the rear wheel 14 with the driving force of a rotating electric machine 18 built in a swing arm 16 that supports the rear wheel 14.
- the electric vehicle 10 according to the present embodiment is not limited to the electric motorcycle shown in FIG. 1, but can be applied to various electric vehicles driven by the rotating electric machine 18.
- the electric vehicle 10 has a body cover 20 made of synthetic resin that covers a body frame (not shown).
- a handle 22 is provided in front of the electric vehicle 10. When the driver operates the handle 22, the front wheel 26 pivotally supported by the pair of left and right front forks 24L and 24R can be steered.
- the sheet 12 also functions as a lid of a storage box (not shown).
- the upper part of the storage box can be opened by rotating the seat 12 about an axis (not shown).
- a battery 28 of the electric vehicle 10 is supported by the vehicle body frame inside the vehicle body cover 20 and directly below the seat 12.
- a lid 30 is provided in a portion where both legs of the driver sitting on the seat 12 straddle. By opening the lid 30 and inserting a charging plug into the charging port 32, the battery 28 can be charged from an external power supply via the charging plug and the charging port 32.
- a PCU (power control unit) 34 as a power control device for converting DC power of the battery 28 into AC power and supplying the AC power to the rotating electrical machine 18 is provided with a body frame. It is supported by. Details of the PCU 34 will be described later.
- the swing arm 16 is a cantilever type swing arm that extends from the front end to the left side of the rear wheel 14.
- the rear end of the swing arm 16 supports the rear wheel 14.
- a rotating electric machine 18 that is a three-phase AC motor is housed.
- the rear end of the swing arm 16 is supported by the body frame via a rear cushion 38.
- the rotating electric machine 18 is driven (rotated) by AC power supplied from the PCU 34 during power running.
- the driving force (output) of the rotating electric machine 18 is transmitted to the rear wheels 14, the rear wheels 14 rotate, and the electric vehicle 10 can run (drive).
- the rotating electric machine 18 functions as a generator, and supplies the generated AC power to the PCU 34.
- PCU converts AC power into DC power and charges battery.
- a side stand 40 is provided at a lower left position of the battery 28. By rotating the side stand 40 about the shaft 42, the side stand 40 changes between a non-storage state in which the stopped electric vehicle 10 is supported and a stowed state in which the electric vehicle 10 can travel.
- the non-storage state is illustrated by a solid line
- the storage state is illustrated by a two-dot chain line.
- a main stand 44 is provided below the PCU. By rotating the main stand 44 about the shaft 46, the main stand 44 changes between a non-storage state in which the stopped electric vehicle 10 is supported and a stowed state in which the electric vehicle 10 can travel.
- the non-storage state is illustrated by a solid line
- the storage state is illustrated by a two-dot chain line.
- FIG. 2 is a rear view of a front portion (around the handle 22) of the electric vehicle 10.
- a main switch 50 is provided on the right side of the front part of the body cover 20 and below the handle 22.
- a meter 52 is provided at a position in front of the handle 22 on the vehicle body cover 20.
- the handle 22 includes a handlebar 54 extending in the left-right direction, a right grip portion 56R (hereinafter also referred to as a throttle grip 56R) provided at a right end of the handlebar 54, and a left grip provided at a left end of the handlebar 54. It has a grip portion 56L.
- a right grip portion 56R hereinafter also referred to as a throttle grip 56R
- a left grip provided at a left end of the handlebar 54. It has a grip portion 56L.
- the right grip (throttle) 56R is a grip that is held by the occupant with the right hand, and is a throttle grip for instructing adjustment of the output of the rotating electric machine 18. That is, when the occupant turns the throttle grip 56R around the axis of the handlebar 54, for example, clockwise (occupant side) as viewed from the left side of FIG. 1, the throttle is opened, and the output of the rotary electric machine 18 is increased. Can be. On the other hand, when the throttle grip 56R is returned to the initial position, the throttle is closed, and the output (rotation) of the rotating electric machine 18 can be stopped.
- a right switch box 58R is provided at the base end of the throttle grip 56R of the handlebar 54.
- a seesaw switch 60 is provided behind (occupant side) the right switch box 58R.
- One (lower side) of the seesaw switch 60 functions as a start switch 60a.
- the other (upper side) of the seesaw switch 60 functions as a stop switch 60b. That is, when the seesaw switch 60 is moved down, the start switch 60a can be pressed (turned on). When the seesaw switch 60 is tilted upward, the stop switch 60b can be pressed (turned on).
- the left grip portion 56L is a grip that the occupant holds with the left hand.
- a left switch box 58L is provided at the base end of the left grip portion 56L of the handlebar 54.
- Various switches 62 related to the running of the electric vehicle 10 are also provided behind the left switch box 58L.
- the start switch 60a and the stop switch 60b are separate switches. Is also possible.
- the seesaw switch 60 or the separate start switch 60a and stop switch 60b can be provided in the left switch box 58L.
- rearview mirrors 64L and 64R are provided at portions of the handlebar 54 near the left switch box 58L and near the right switch box 58R, respectively.
- FIG. 3 is a block diagram of the electric vehicle 10 according to the present embodiment.
- the electric vehicle 10 further includes a side stand switch 70, a throttle opening sensor 72, a seat switch 74, a lid switch 76, a plug switch 78, a rotation angle sensor 80, and a fall sensor 82.
- the side stand switch 70, the seat switch 74, the lid switch 76, and the plug switch 78 are all detection switches.
- the main switch 50 is a switch for starting the system of the electric vehicle 10, and outputs a start instruction signal to the PCU 34 when the driver turns the knob (turns on).
- the start switch 60a is a switch for instructing the start of driving of the rotating electric machine 18.
- the start switch 60 a When the driver turns the start switch 60 a on by turning the seesaw switch 60 downward, the start switch 60 a outputs a drive instruction signal to the PCU 34.
- the stop switch 60b is a kill switch for giving an instruction to stop driving the rotating electric machine 18.
- the stop switch 60b When the driver turns the seesaw switch 60 upward to turn on the stop switch 60b, the stop switch 60b outputs a stop instruction signal to the PCU.
- the side stand switch 70 outputs an ON signal indicating that the side stand 40 is in the housed state to the PCU 34 when the side stand 40 is in the housed state. Further, when the side stand 40 is in the non-storing state, the side stand switch 70 outputs an off signal indicating that the side stand 40 is in the non-storing state to the PCU 34.
- a state in which the output of the ON signal is stopped is also described as a state in which the OFF signal is output.
- the throttle opening sensor 72 detects the amount of rotation (throttle opening) of the throttle grip 56R and outputs the detection result to the PCU 34.
- the seat switch 74 outputs an on signal to the PCU 34 when the seat 12 covers the storage box from above and the occupant can be seated.
- the seat switch 74 outputs an off signal to that effect to the PCU 34.
- the lid switch 76 When the lid 30 is open, the lid switch 76 outputs an off signal to that effect to the PCU 34. When the lid 30 is closed, the lid switch 76 outputs an ON signal to that effect to the PCU 34.
- the plug switch 78 outputs an on signal to the PCU 34 when a charging plug is inserted into the charging port 32. When a charging plug is not inserted into charging port 32, plug switch 78 outputs an OFF signal to that effect to PCU 34.
- the rotation angle sensor 80 is, for example, a resolver, and sequentially detects the rotation angle of the rotor constituting the rotary electric machine 18 and outputs the detection result to the PCU 34.
- the fall sensor 82 sequentially detects the bank angle of the electric vehicle 10 and outputs the detection result to the PCU 34.
- the PCU 34 includes a DC / DC converter 84, an inverter 86, and a control unit 88.
- the DC / DC converter 84 supplies DC power to the inverter 86 by converting the DC voltage of the battery 28 into a DC voltage having a desired voltage value and outputting the DC voltage to the inverter 86.
- the inverter 86 converts the DC power supplied from the DC / DC converter 84 into three-phase AC power and supplies the three-phase AC power to the rotating electric machine 18.
- the control unit 88 executes a program stored in a memory (not shown) to control the rotating electrical machine control unit 88a, the drive prohibition processing unit 88b, the drive return processing unit 88c, the running state determination unit 88d, and the overturn state determination unit 88e. Implement the function.
- the control unit 88 controls the DC / DC converter 84 and the inverter 86 based on information or signals from the sensors 72, 80, 82 and the switches 50, 60a, 60b, 70, 74, 76, 78 described above. By doing so, the rotating electric machine 18 is rotated or the rotating electric machine 18 is stopped.
- the traveling state determination unit 88d determines the traveling state of the electric vehicle 10 based on the signals output from the switches 50, 60a, 60b, 70, 74, 76, 78 and the detection result of the rotation angle sensor 80. I do.
- the overturning state determination unit 88e determines whether the electric vehicle 10 has overturned based on the bank angle detected by the overturning sensor 82.
- the drive prohibition processing unit 88b includes information or signals from the sensors 72, 80, 82 and the switches 50, 60a, 60b, 70, 74, 76, 78, and the running state determination unit 88d and the overturn state determination unit 88e. Based on the determination result, it is determined to make a transition to the inhibitor state in which the driving of the electric vehicle 10 is prohibited, and the determination result is notified to the rotating electrical machine control unit 88a.
- the drive return processing unit 88c includes information or signals from the sensors 72, 80, 82 and the switches 50, 60a, 60b, 70, 74, 76, 78, and each of the running state determination unit 88d and the overturn state determination unit 88e.
- the drive return processing unit 88c determines to return the drive of the electric vehicle 10 and notifies the rotating electrical machine control unit 88a of the determination result.
- the rotating electric machine control unit 88a controls the DC / DC converter 84 and the inverter 86 based on the amount of rotation of the throttle grip 56R and the rotation angle of the rotor of the rotating electric machine 18.
- the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 to stop the rotation of the rotating electrical machine 18. Then, the driving of the rear wheel 14 is stopped.
- “prohibiting the driving of the electric vehicle 10” means that the rotation of the rotating electric machine 18 is stopped and the transmission of the driving force from the rotating electric machine 18 to the rear wheel 14 is prohibited. Means to prohibit the driving of
- the rotating electric machine control unit 88a controls the DC / DC converter 84 and the inverter 86 to restart the rotation of the rotating electric machine 18.
- the driving of the rear wheel 14 is restarted.
- “returning the drive of the electric vehicle 10” means that the rotating electric machine 18 is rotatable and transmission of driving force from the rotating electric machine 18 to the rear wheel 14 is enabled. This means restarting the driving of the rear wheels 14.
- the rotating electrical machine control unit 88a performs the normal control for rotating the rotating electrical machine 18 with respect to the DC / DC converter 84 and the inverter 86 unless the notification is received from the drive prohibition processing unit 88b.
- the rotating electrical machine control unit 88a stops the rotation of the rotating electrical machine 18 and prohibits the driving of the electric vehicle 10 in a time period from when the notification is received to when the notification from the drive return processing unit 88c is received.
- the inhibitory state before the electric vehicle 10 travels means that the electric vehicle 10 starts traveling (driving start) even if the driver instructs the electric vehicle 10 to start traveling, such as turning the throttle grip 56R.
- the inhibitor state during the running of the electric vehicle 10 refers to a state in which the driving of the electric vehicle 10 is prohibited even if the driver instructs the driving of the electric vehicle 10 such as turning the throttle grip 56R. Accordingly, in the inhibitor state during traveling, the driving force is not transmitted from the rotating electric machine 18 to the rear wheels 14, and the electric vehicle 10 performs coasting.
- the traveling of the electric vehicle 10 means that the electric vehicle 10 is running due to the rotation of the rotating electric machine 18 and also the coasting of the electric vehicle 10 due to the stop of the rotation of the rotating electric machine 18.
- the concept includes a running state and a state in which the running electric vehicle 10 is temporarily stopped at an intersection or the like.
- control unit 88 includes information or signals (for example, a vehicle speed corresponding to a rotation angle) of each sensor 72, 80, 82 and each of the switches 50, 60 a, 60 b, 70, 74, 76, 78. Is displayed on the meter 52.
- step S1 when the driver sitting on the seat 12 turns on the main switch 50, a start instruction signal is output from the main switch 50 to the PCU.
- the PCU 34 is activated by receiving a supply of DC power from the battery 28 based on the activation instruction signal. Further, the PCU 34 supplies the DC power of the battery 28 to each electric component in the electric vehicle 10 such as the meter 52. As a result, the PCU 34 transitions to a state of waiting for the output of the drive instruction signal from the start switch 60a in step S2. That is, when the main switch 50 is turned on in step S1, the PCU 34 determines that the system startup condition T1 has been satisfied, and shifts to a state of waiting for the output of a drive instruction signal in step S2.
- step S2 is a state before the electric vehicle 10 travels. Therefore, in step S2, when the driver performs any operation for instructing the electric vehicle 10 to travel while the start switch 60a is not turned on, the drive inhibition processing unit 88b shifts the electric vehicle 10 to the inhibitor state. Let it. Further, in step S2, when the traveling of the electric vehicle 10 is not possible, the drive prohibition processing unit 88b causes the electric vehicle 10 to transition to the inhibitor state.
- the traveling state determination unit 88d determines that the electric vehicle 10 is in the traveling stopped state (state before traveling) based on the rotation angle and the like detected by the rotation angle sensor 80, and prohibits the driving of the determination result.
- the processing unit 88b may be notified.
- the drive inhibition processing unit 88b determines that the electric vehicle 10 cannot travel because the side stand switch 70 is in the non-storing state. to decide.
- the drive prohibition processing unit 88b determines, based on this determination result (the satisfaction of the condition T2), to shift the electric vehicle 10 to the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. This causes a transition from step S2 to the inhibitor state of step S3.
- step S3 when the ON signal is output from the side stand switch 70 to the PCU 34, and when the drive instruction signal is not output from the start switch 60a to the PCU 34 (condition T3), the drive return processing unit 88c Since the side stand switch 70 is in the housed state, if the start switch 60a is turned on, it is determined that the electric vehicle 10 can run. That is, the drive return processing unit 88c determines that the inhibitor state caused by the non-storage state of the side stand 40 has been eliminated. Next, the drive return processing unit 88c determines, based on the determination result (the establishment of the condition T3), to return the drive of the electric vehicle 10 from the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. As a result, a transition is made from step S3 to step S2.
- the drive prohibition processing unit 88b may start charging the battery 28 with the lid 30 opened. It is determined that the vehicle 10 cannot run. Next, the drive prohibition processing unit 88b determines, based on this determination result (the satisfaction of the condition T4), to make the electric vehicle 10 transition to the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. This causes a transition from step S2 to the inhibitor state of step S4.
- step S4 when an on signal is output from the lid switch 76 to the PCU 34 (condition T5), the drive return processing unit 88c turns on the start switch 60a because the lid 30 blocks the charging port 32. For example, it is determined that the electric vehicle 10 can run. That is, the drive return processing unit 88c determines that the inhibitor state caused by the opening of the lid 30 has been eliminated. Next, the drive return processing unit 88c determines to drive the electric vehicle 10 from the inhibitory state based on the determination result (establishment of the condition T5), and notifies the rotating electrical machine control unit 88a of the determination result. As a result, a transition is made from step S4 to step S2.
- the drive inhibition processing unit 88b performs the start switch Although there is an instruction to adjust the output of rotating electric machine 18 even though 60a is not turned on, it is determined that running of electric vehicle 10 is impossible.
- the drive prohibition processing unit 88b determines, based on this determination result (the satisfaction of the condition T6), to shift the electric vehicle 10 to the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. This causes a transition from step S2 to the inhibitor state of step S5.
- step S5 when a detection result indicating that the throttle grip 56R has been returned to the initial position (the throttle is closed) is output from the throttle opening sensor 72 to the PCU 34 (condition T7), the drive return processing is performed.
- the unit 88c determines that the electric vehicle 10 can run when the start switch 60a is turned on. That is, the drive return processing unit 88c determines that the inhibitor state caused by the rotation of the throttle grip 56R has been eliminated.
- the drive return processing unit 88c determines to return the drive of the electric vehicle 10 from the inhibitor state based on the determination result (the satisfaction of the condition T7), and notifies the rotating electrical machine control unit 88a of the determination result. As a result, a transition is made from step S5 to step S2.
- the drive prohibition processing unit 88b determines that the electric vehicle 10 cannot travel because the seat 12 is open.
- the drive prohibition processing unit 88b determines, based on this determination result (the satisfaction of the condition T8), to shift the electric vehicle 10 to the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. This causes a transition from step S2 to the inhibitor state of step S6.
- step S6 when the ON signal is output from the sheet switch 74 to the PCU 34 (condition T9), the drive return processing unit 88c determines that the start switch 60a is turned on because the sheet 12 is closing the storage box. It is determined that the electric vehicle 10 can run. That is, the drive return processing unit 88c determines that the inhibitor state caused by the opening of the sheet 12 has been eliminated. Next, the drive return processing unit 88c determines, based on the determination result (the satisfaction of the condition T9), to return the drive of the electric vehicle 10 from the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. As a result, a transition is made from step S6 to step S2.
- the drive inhibition processing unit 88b instructs the rotary electric machine 18 to stop output even though the start switch 60a is not turned on. Therefore, it is determined that the electric vehicle 10 cannot run.
- the drive prohibition processing unit 88b determines, based on this determination result (the establishment of the condition T10), to shift the electric vehicle 10 to the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. This causes a transition from step S2 to the inhibitor state of step S7.
- step S7 when the stop instruction signal and the drive instruction signal have not been output from the stop switch 60b and the start switch 60a to the PCU 34 (condition T11), the drive return processing unit 88c issues an instruction to stop the output of the rotary electric machine 18. Therefore, if the start switch 60a is turned on, it is determined that the electric vehicle 10 can run. That is, the drive return processing unit 88c determines that the inhibitor state caused by the stop switch 60b has been eliminated. Next, the drive return processing unit 88c determines to return the drive of the electric vehicle 10 from the inhibitor state based on the determination result (the establishment of the condition T11), and notifies the rotating electric machine control unit 88a of the determination result. As a result, a transition is made from step S7 to step S2.
- the drive prohibition processing unit 88b determines that the charging plug is inserted into the charging port 32 and the battery 28 is being charged. Is determined to be impossible.
- the drive prohibition processing unit 88b determines, based on this determination result (the establishment of the condition T12), to shift the electric vehicle 10 to the inhibitor state, and notifies the rotating electrical machine control unit 88a of the determination result. This causes a transition from step S2 to the inhibitor state of step S8.
- step S8 when an off signal is output from the plug switch 78 to the PCU 34 (condition T13), the drive return processing unit 88c turns on the start switch 60a because the charging plug has been removed from the charging port 32. Then, it is determined that the electric vehicle 10 can run. That is, the drive return processing unit 88c determines that the inhibitor state caused by the charging plug has been eliminated. Next, the drive return processing unit 88c determines to drive the electric vehicle 10 from the inhibitory state based on the determination result (establishment of the condition T13), and notifies the rotating electric machine control unit 88a of the determination result. As a result, a transition is made from step S8 to step S2.
- the rotating electrical machine control unit 88a prevents the rotating electrical machine 18 from rotating based on the notification from the drive prohibition processing unit 88b, that is, causes the rotating electrical machine 18 to rotate to the rear wheel 14.
- the DC / DC converter 84 and the inverter 86 are controlled so as to prevent transmission of the driving force.
- step S2 when the driver presses the start switch 60a, a drive instruction signal is output from the start switch 60a to the PCU. Further, rotation angle sensor 80 sequentially detects the rotation angle of the rotor of rotating electric machine 18 and outputs the detection result to PCU 34. In this case, since the electric vehicle 10 is in a state before traveling, the rotating electric machine 18 has stopped rotating. Accordingly, the traveling state determination unit 88d determines that the start of traveling of the electric vehicle 10 has been instructed based on the drive instruction signal and the rotation angle (condition T14). Then, the traveling state determination unit 88d notifies the rotating electrical machine control unit 88a of the determination result.
- the rotating electrical machine control unit 88a can recognize from the notification from the traveling state determination unit 88d that the rotating electrical machine 18 can be rotated by controlling the DC / DC converter 84 and the inverter 86. .
- the electric vehicle 10 transitions from step S2 to the state of step S9 in response to the establishment of the condition T14.
- Step S9 refers to a state in which the rotating electric machine 18 has stopped rotating among the states of the running electric vehicle 10.
- step S9 when the driver turns the throttle grip 56R, the throttle opening sensor 72 detects the turning amount of the throttle grip 56R and outputs the detection result to the PCU 34.
- the rotating electrical machine control unit 88a rotates the rotating electrical machine 18 by controlling the DC / DC converter 84 and the inverter 86 based on the detection results of the throttle opening sensor 72 and the rotation angle sensor 80 (condition T15).
- condition T15 When the condition T15 is satisfied, the rotating electric machine 18 starts rotating, and transmits the driving force to the rear wheel 14.
- the rear wheels 14 are driven and the electric vehicle 10 starts running (driving), and the electric vehicle 10 transitions from step S9 to step S10.
- Step S10 refers to a state in which the rotating electric machine 18 is rotating among the states of the running electric vehicle 10.
- step S10 when the driver returns the throttle grip 56R to the initial position, the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 to stop the rotation of the rotating electrical machine 18 (condition T16). .
- condition T16 When the condition T16 is satisfied, the rotating electric machine 18 stops rotating and stops transmitting the driving force to the rear wheel 14. As a result, the driving of the rear wheels 14 is stopped, and the electric vehicle 10 transitions from step S10 to step S9.
- step S9 the electric vehicle 10 makes a transition between step S9 and step S10.
- the start switch 60a is operated by the driver in step S2 and the rotating electric machine 18 starts rotating (condition T17)
- the process immediately proceeds from step S2 to step S10. Is also good.
- Steps S9 and S10 when an off signal is output from the side stand switch 70 to the PCU 34 (conditions T18 and T19), the drive prohibition processing unit 88b does not allow the electric vehicle 10 to travel because the side stand 40 is in the non-stowed state. Judge as possible.
- the drive prohibition processing unit 88b determines, based on this determination result (the establishment of the conditions T18, T19), to transition the traveling electric vehicle 10 to the inhibitory state, and outputs the determination result to the rotating electrical machine control unit 88a. Notify. This causes a transition from steps S9 and S10 to the inhibitor state of step S11.
- step S11 the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 based on the notification from the drive inhibition processing unit 88b so that the rotating electrical machine 18 does not rotate. As a result, transmission of the driving force from the rotating electric machine 18 to the rear wheel 14 is prohibited. In addition, when it transits from step S9 to step S11, the state of the electric vehicle 10 being stopped temporarily is maintained. Further, when the transition from step S10 to step S11 occurs, the electric vehicle 10 performs coasting.
- step S11 (1) an ON signal is output from the side stand switch 70 to the PCU 34, (2) the traveling state determination unit 88d determines the rotation stop of the rotary electric machine 18 based on the detection result of the rotation angle sensor 80, and (3) When the driver operates the start switch 60a to output a drive instruction signal from the start switch 60a to the PCU 34, and (4) the throttle is closed (the throttle grip 56R returns to the initial position). (Condition T20) The drive return processing unit 88c determines that the electric vehicle 10 can run because the inhibitor state caused by the side stand switch 70 has been eliminated.
- the drive return processing unit 88c determines to return the drive of the electric vehicle 10 from the inhibitor state based on the determination result (the establishment of the condition T20), and notifies the rotating electrical machine control unit 88a of the determination result.
- the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 based on the notification from the drive return processing unit 88c to return the rotating electrical machine 18 to a rotatable state. That is, the state of the electric vehicle 10 transitions from step S11 to step S9.
- the vehicle returns from the inhibitor state of step S11 to the traveling state of step S9 without passing through the stop state of step S2.
- step S11 (1) an ON signal is output from the side stand switch 70 to the PCU 34, and (2) the traveling state determination unit 88d determines that the rotary electric machine 18 is rotating based on the detection result of the rotation angle sensor 80. (3) When the driver operates the start switch 60a to output a drive instruction signal from the start switch 60a to the PCU 34, and (4) when the throttle is closed (condition T21), the drive return process The unit 88c determines that the inhibitor state caused by the side stand switch 70 is eliminated and the electric vehicle 10 can run.
- the drive return processing unit 88c determines to return the drive of the electric vehicle 10 from the inhibitor state based on the determination result (establishment of the condition T21), and notifies the rotating electrical machine control unit 88a of the determination result. Also in this case, the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 based on the notification from the drive return processing unit 88c to return the rotating electrical machine 18 to a rotatable state. Also in this case, the electric vehicle 10 transitions from step S11 to step S10 without passing through the stop state of step S2.
- steps S9 and S10 when the driver operates the stop switch 60b and a stop instruction signal is output from the stop switch 60b to the PCU 34 (conditions T22 and T23), the drive inhibition processing unit 88b sets the stop switch 60b Is operated, and the stop of the rotation of the rotating electric machine 18 is instructed, so that it is determined that the electric vehicle 10 cannot travel.
- the drive prohibition processing unit 88b determines, based on this determination result (the satisfaction of the conditions T22 and T23), to make the traveling electric vehicle 10 transition to the inhibitory state, and outputs the determination result to the rotating electrical machine control unit 88a. Notify. As a result, the state transits from steps S9 and S10 to the inhibitor state of step S12.
- step S12 the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 based on the notification from the drive inhibition processing unit 88b so that the rotating electrical machine 18 does not rotate. Even in this case, since the driving force is not transmitted from the rotating electric machine 18 to the rear wheels 14, when the process transits from step S9 to step S12, the electric vehicle 10 is kept in a temporarily stopped state. In addition, when the process transits from step S10 to step S12, the electric vehicle 10 performs coasting.
- step S12 (1) the output of the stop instruction signal from the stop switch 60b to the PCU 34 is stopped, and (2) the traveling state determination unit 88d is rotating the rotary electric machine 18 based on the detection result of the rotation angle sensor 80. (3) When a drive instruction signal is output from the start switch 60a to the PCU 34 due to the operation of the start switch 60a by the driver, and (4) the throttle is closed (condition T24). The drive return processing unit 88c determines that the inhibitor state caused by the stop switch 60b has been resolved and the electric vehicle 10 can run.
- the drive return processing unit 88c determines to return the drive of the electric vehicle 10 from the inhibitor state based on the determination result (the establishment of the condition T24), and notifies the rotating electrical machine control unit 88a of the determination result.
- the rotating electrical machine control unit 88a controls the DC / DC converter 84 and the inverter 86 based on the notification from the drive return processing unit 88c to return the rotating electrical machine 18 to a rotatable state.
- the electric vehicle 10 transitions from step S12 to step S10 without passing through the stop state of step S2.
- step S12 (1) the output of the stop instruction signal from the stop switch 60b to the PCU 34 is stopped, and (2) the running state determination unit 88d stops the rotation of the rotating electric machine 18 based on the detection result of the rotation angle sensor 80. And (3) when the throttle is closed (condition T25), the drive return processing unit 88c determines that the inhibitory state caused by the stop switch 60b has been eliminated, while the electric vehicle 10 Is determined to be in a stopped state.
- the drive return processing unit 88c determines to return the drive of the electric vehicle 10 from the inhibitor state based on the result of the determination (establishment of the condition T25), and notifies the rotating electrical machine control unit 88a of the determination result. In this case, the electric vehicle 10 transitions from step S12 to step S2.
- Step S13 ⁇ 4.4 Operation of Step S13>
- the fall state determination unit 88e determines that the electric vehicle 10 is in the fall state, and prohibits driving of the determination result. Notify the processing unit 88b.
- the drive prohibition processing unit 88b determines that the electric vehicle 10 cannot travel (the conditions T26 to T28 are satisfied) and notifies the rotating electrical machine control unit 88a of the determination result.
- the state transits from steps S2, S9, and S10 to the inhibitor state of step S13.
- the electric vehicle 10 is an electric vehicle 10 driven by the rotating electric machine 18, and includes a drive prohibition processing unit 88b that shifts to an inhibitor state in which the driving of the electric vehicle 10 is prohibited while the electric vehicle 10 is traveling.
- a drive return processing unit 88c for returning the drive of the electric vehicle 10 when the inhibitor state is eliminated during the operation of the electric vehicle 10.
- the electric vehicle 10 further includes a throttle grip 56R (right grip portion 56R, throttle) for adjusting the output of the rotating electric machine 18.
- a throttle grip 56R right grip portion 56R, throttle
- the drive return processing unit 88c cancels the inhibitor state when the throttle is closed.
- the driving of the electric vehicle 10 is returned (steps S11, S12 ⁇ steps S9, S10). This can prevent the electric vehicle 10 from suddenly jumping out and running after the electric vehicle 10 returns to driving.
- the electric vehicle 10 further includes a stop switch 60b for stopping the rotation of the rotating electric machine 18.
- the drive prohibition processing unit 88b makes the transition to the inhibitor state when the stop switch 60b is pressed while the electric vehicle 10 is running (steps S9, S10 ⁇ step S12).
- the driving of the electric vehicle 10 can be stopped by the driver's intention.
- the electric vehicle 10 further includes a start switch 60a for starting the rotation of the rotating electric machine 18.
- a start switch 60a for starting the rotation of the rotating electric machine 18.
- the drive return processing unit 88c cancels the inhibitor state when the start switch 60a is pressed.
- the driving of the electric vehicle 10 is returned (steps S11, S12 ⁇ steps S9, S10).
- the electric vehicle 10 can be quickly driven back by the driver's intention.
- the electric vehicle 10 further includes a side stand 40.
- the drive prohibition processing unit 88b changes the state to the inhibitor state when the side stand 40 is in the non-storing state while the electric vehicle 10 is traveling (steps S9, S10 ⁇ step S11). Thereby, even if the side stand 40 is suddenly in the non-storing state while the electric vehicle 10 is running, the driving of the electric vehicle 10 can be stopped quickly.
- the drive return processing unit 88c determines that the inhibitory state has been resolved when the side stand 40 is in the stowed state after the transition to the inhibitory state while the electric vehicle 10 is traveling, and thereby the electric vehicle 10 Driving can be quickly resumed (step S11 ⁇ steps S9, S10).
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Abstract
Description
図1は、本実施形態に係る電動車両10の左側面図である。なお、以下の説明では、電動車両10のシート12に着座した運転者の見た方向に従って、前後、左右及び上下の方向を説明する。また、電動車両10において、左右一対に配設される構成要素については、左側の構成要素については「L」、右側の構成要素については「R」の文字を付けて説明する場合がある。
図2は、電動車両10の前方部分(ハンドル22周り)の背面図である。車体カバー20の前方部分の右側であって、ハンドル22の下方の箇所には、メインスイッチ50が設けられている。また、車体カバー20におけるハンドル22前方の箇所には、メータ52が設けられている。
図3は、本実施形態に係る電動車両10のブロック図である。電動車両10は、サイドスタンドスイッチ70、スロットル開度センサ72、シートスイッチ74、リッドスイッチ76、プラグスイッチ78、回転角度センサ80及び転倒センサ82をさらに有する。なお、サイドスタンドスイッチ70、シートスイッチ74、リッドスイッチ76及びプラグスイッチ78は、いずれも、検出用スイッチである。
以上のように構成される本実施形態に係る電動車両10の動作について、図4を参照しながら説明する。ここでは、運転者がメインスイッチ50(図2及び図3参照)をオンにした後、電動車両10の走行中等におけるインヒビタ状態への遷移と、インヒビタ状態からの電動車両10の駆動復帰とについて説明する。なお、図4の説明では、必要に応じて、図1~図3も参照しながら説明する。
先ず、ステップS1において、シート12に着座した運転者がメインスイッチ50をオンにした場合、メインスイッチ50からPCU34に起動指示信号が出力される。PCU34は、起動指示信号に基づき、バッテリ28からの直流電力の供給を受けて起動する。また、PCU34は、バッテリ28の直流電力をメータ52等の電動車両10内の各電装品に供給する。この結果、PCU34は、ステップS2のスタートスイッチ60aからの駆動指示信号の出力を待つ状態に遷移する。すなわち、PCU34は、ステップS1でメインスイッチ50がオンすると、システム起動の条件T1が成立したと判断し、ステップS2の駆動指示信号の出力待ちの状態に遷移する。
前述のように、スタートスイッチ60aは、運転者の操作に起因して、回転電機18の回転開始をPCU34に指示する駆動指示信号を出力する。そのため、ステップS2は、電動車両10の走行前の状態である。従って、ステップS2において、スタートスイッチ60aがオンしていない状態で、運転者が電動車両10の走行を指示する何らかの操作を行った場合、駆動禁止処理部88bは、電動車両10をインヒビタ状態に遷移させる。また、ステップS2において、電動車両10の走行が不可能な状態にある場合、駆動禁止処理部88bは、電動車両10をインヒビタ状態に遷移させる。この場合、走行状態判定部88dは、回転角度センサ80が検出した回転角度等に基づいて、電動車両10が走行停止状態(走行前の状態)にあることを判定し、その判定結果を駆動禁止処理部88bに通知してもよい。
ステップS2において、運転者がスタートスイッチ60aを押すと、スタートスイッチ60aからPCU34に駆動指示信号が出力される。また、回転角度センサ80は、回転電機18のロータの回転角度を逐次検出し、その検出結果をPCU34に出力する。この場合、電動車両10の走行前の状態であるため、回転電機18は回転を停止している。従って、走行状態判定部88dは、駆動指示信号及び回転角度に基づき、電動車両10の走行開始を指示されたと判定する(条件T14)。そして、走行状態判定部88dは、その判定結果を回転電機制御部88aに通知する。
ステップS9、S10において、サイドスタンドスイッチ70からPCU34にオフ信号が出力された場合(条件T18、T19)、駆動禁止処理部88bは、サイドスタンド40が非収納状態にあるため、電動車両10の走行が不可能と判断する。次に、駆動禁止処理部88bは、この判断結果(条件T18、T19の成立)に基づき、走行中の電動車両10をインヒビタ状態に遷移させることを決定し、その決定結果を回転電機制御部88aに通知する。これにより、ステップS9、S10からステップS11のインヒビタ状態に遷移する。
ステップS2、S9、S10において、転倒状態判定部88eは、転倒センサ82が検出したバンク角度が閾値角度を超えている場合、電動車両10が転倒状態にあると判定し、その判定結果を駆動禁止処理部88bに通知する。駆動禁止処理部88bは、この判定結果を受け、電動車両10の走行が不可能と判断し(条件T26~T28の成立)、その判断結果を回転電機制御部88aに通知する。これにより、ステップS2、S9、S10からステップS13のインヒビタ状態に遷移する。
以上説明した本実施形態に係る電動車両10の効果について説明する。
40…サイドスタンド
56R…スロットルグリップ(右グリップ部、スロットル)
60a…スタートスイッチ 60b…停止スイッチ
88b…駆動禁止処理部 88c…駆動復帰処理部
Claims (6)
- 回転電機(18)によって駆動する電動車両(10)であって、
前記電動車両(10)の走行中、該電動車両(10)の駆動を禁止するインヒビタ状態に遷移させる駆動禁止処理部(88b)と、
前記電動車両(10)の走行中、前記インヒビタ状態が解消されたときに、前記電動車両(10)の駆動を復帰させる駆動復帰処理部(88c)と、
を有する、電動車両(10)。 - 請求項1記載の電動車両(10)において、
前記回転電機(18)の出力を調整するスロットル(56R)をさらに有し、
前記駆動復帰処理部(88c)は、前記電動車両(10)の走行中、前記インヒビタ状態への遷移後、前記スロットル(56R)が閉じたときに、前記インヒビタ状態が解消されたと判断し、前記電動車両(10)の駆動を復帰させる、電動車両(10)。 - 請求項1又は2記載の電動車両(10)において、
前記回転電機(18)の回転を停止させるための停止スイッチ(60b)をさらに有し、
前記駆動禁止処理部(88b)は、前記電動車両(10)の走行中、前記停止スイッチ(60b)が押されたときに、前記インヒビタ状態に遷移させる、電動車両(10)。 - 請求項1~3のいずれか1項に記載の電動車両(10)において、
前記回転電機(18)の回転を開始させるためのスタートスイッチ(60a)をさらに有し、
前記駆動復帰処理部(88c)は、前記電動車両(10)の走行中、前記インヒビタ状態への遷移後、前記スタートスイッチ(60a)が押されたときに、前記インヒビタ状態が解消されたと判断し、前記電動車両(10)の駆動を復帰させる、電動車両(10)。 - 請求項1~4のいずれか1項に記載の電動車両(10)において、
サイドスタンド(40)をさらに有し、
前記駆動禁止処理部(88b)は、前記電動車両(10)の走行中、前記サイドスタンド(40)が非収納状態となったときに、前記インヒビタ状態に遷移させる、電動車両(10)。 - 請求項5記載の電動車両(10)において、
前記駆動復帰処理部(88c)は、前記電動車両(10)の走行中、前記インヒビタ状態への遷移後、前記サイドスタンド(40)が収納状態となったときに、前記インヒビタ状態が解消されたと判断し、前記電動車両(10)の駆動を復帰させる、電動車両(10)。
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| DE112019004855.4T DE112019004855T5 (de) | 2018-09-28 | 2019-08-28 | Elektrofahrzeug |
| JP2020548226A JP7050173B2 (ja) | 2018-09-28 | 2019-08-28 | 電動車両 |
| CN201980063827.8A CN112752672B (zh) | 2018-09-28 | 2019-08-28 | 电动车辆 |
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- 2019-08-28 JP JP2020548226A patent/JP7050173B2/ja active Active
- 2019-08-28 CN CN201980063827.8A patent/CN112752672B/zh active Active
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| JP2018050370A (ja) * | 2016-09-20 | 2018-03-29 | スズキ株式会社 | 電動車両のアクセル装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI725555B (zh) | 2021-04-21 |
| CN112752672B (zh) | 2025-08-29 |
| DE112019004855T5 (de) | 2021-06-24 |
| TW202019741A (zh) | 2020-06-01 |
| JPWO2020066434A1 (ja) | 2021-08-30 |
| CN112752672A (zh) | 2021-05-04 |
| JP7050173B2 (ja) | 2022-04-07 |
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