WO2023188743A1 - 電動二輪車の制御方法 - Google Patents

電動二輪車の制御方法 Download PDF

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Publication number
WO2023188743A1
WO2023188743A1 PCT/JP2023/002113 JP2023002113W WO2023188743A1 WO 2023188743 A1 WO2023188743 A1 WO 2023188743A1 JP 2023002113 W JP2023002113 W JP 2023002113W WO 2023188743 A1 WO2023188743 A1 WO 2023188743A1
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WO
WIPO (PCT)
Prior art keywords
clutch
motor
rotation speed
engagement
motor rotation
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
Application number
PCT/JP2023/002113
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
栄治 橘高
善昭 塚田
孝 大関
靖司 藤本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP2024511301A priority Critical patent/JP7850249B2/ja
Priority to CN202380029986.2A priority patent/CN118922329A/zh
Priority to DE112023000981.3T priority patent/DE112023000981T5/de
Priority to US18/850,918 priority patent/US20250214453A1/en
Publication of WO2023188743A1 publication Critical patent/WO2023188743A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B62M7/02—Motorcycles characterised by position of motor or engine with engine between front and rear wheels
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2072—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for drive off
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • 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
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/12—Speed
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/50—Drive Train control parameters related to clutches
    • B60L2240/507—Operating parameters
    • 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 SIDECARS, 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
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the present invention relates to a control method for an electric two-wheeled vehicle.
  • a great appeal of saddle-riding vehicles such as motorcycles is that the rider can directly convey his or her intentions to the vehicle, and the vehicle can be manipulated as if it were part of the body.
  • Conventional straddle-type vehicles driven by internal combustion engines have been operated by the occupants, including adjusting the opening and closing of the throttle using the accelerator grip, braking, and variable speeds using the clutch. has made it possible.
  • BACKGROUND OF THE INVENTION Due to increased interest in environmental issues in recent years, electric two-wheeled vehicles driven by electric motors have been developed as saddle-ride vehicles. Among them, an electric two-wheeled vehicle is also disclosed that is provided with a clutch mechanism that disconnects between a motor and a gear train (for example, see International Publication No. 2014-102869).
  • the present invention provides a control method for an electric two-wheeled vehicle that allows a rider to start traveling without feeling discomfort when operating a clutch and performing a starting operation.
  • One aspect of the present invention is a control method for an electric two-wheeled vehicle including a motor, a clutch, and a stepped transmission, the disconnection detecting a transition from a state in which the clutch is disengaged to a state in which the clutch is engaged. a detection step; an accelerator operation detection step of detecting an accelerator operation amount performed by the occupant after the clutch is engaged; and a target motor rotation speed setting step of setting a target motor rotation speed based on the accelerator operation amount;
  • a method for controlling an electric two-wheeled vehicle comprising: a motor rotation speed control step of controlling the rotation speed of the motor based on the target motor rotation speed. Note that this specification includes all contents of Japanese patent application/Japanese Patent Application No. 2022-054639 filed on March 29, 2022.
  • the vehicle when an occupant performs a clutch operation to perform a starting operation, the vehicle can start traveling without feeling uncomfortable.
  • FIG. 1 is a diagram showing the configuration of an electric two-wheeled vehicle.
  • FIG. 2 is a diagram comparing the torque characteristics of an internal combustion engine and the torque characteristics of a motor.
  • FIG. 3 is a block diagram showing the configuration of an ECU that implements the electric two-wheeled vehicle control method according to the embodiment.
  • FIG. 4 is a flowchart of output control in the electric two-wheeled vehicle.
  • FIG. 5 is a flowchart of a control method at the start of clutch engagement.
  • FIG. 6 is a flowchart showing torque map switching control immediately after clutch engagement.
  • FIG. 7 is a flowchart showing torque map switching control during transition to normal driving.
  • FIG. 8 is a torque curve of the motor after output control is performed according to the required output map for starting.
  • FIG. 9 is a torque curve of the motor after output control is performed according to the normal driving map.
  • FIG. 10 is a timing chart of required output and clutch output rotation speed.
  • FIG. 1 is a diagram showing the left side of a saddle-ride type vehicle (electric two-wheeled vehicle) 1.
  • the saddle type vehicle 1 of this embodiment is an electric two-wheeled vehicle that includes a motor as a power unit instead of an internal combustion engine such as a gasoline engine.
  • the saddle-ride type vehicle 1 includes an accelerator grip, a clutch lever, a speed change pedal, etc. as an operating system 2 for a rider to control the saddle-ride type vehicle 1.
  • the saddle type vehicle 1 includes a front wheel 3 that is a steering wheel and a rear wheel 4 that is a driving wheel.
  • the rear wheel 4 is supported at the rear of a swing arm (not shown) that is swingably supported by a vehicle body frame (not shown).
  • the saddle type vehicle 1 includes an ECU (Electronic Control Unit) 5 that is a control device for performing various controls, a motor 10 that generates driving force, and a battery 15 that stores electric power.
  • the saddle-ride type vehicle 1 includes a clutch 25 and a stepped transmission 20 in order to transmit the driving force P of the motor 10 to the rear wheels 4.
  • the motor 10 and the stepped transmission 20 are controlled by an ECU 5 that performs control according to instructions given to the operating system 2 by a passenger.
  • the ECU5 has a processor such as CPU (Central Processi Nit), ROM (READ ONLY MEMORY), RAM (RANDOM ACCESS Memory), etc. (RANDOM ACCESS Memory), etc. It is a computer to do.
  • Various control means are executed by the ECU 5, which is a computer, executing the program.
  • all or part of the ECU 5 may be configured by hardware each including one or more electronic circuit components.
  • the motor 10 is a three-phase electric motor or the like.
  • the battery 15 may be a lithium ion battery or the like.
  • the motor 10 and battery 15 are fixed to the vehicle body frame.
  • the stepped transmission 20 is a power transmission mechanism that combines a plurality of gears to change the rotational speed.
  • the clutch 25 is a device that is attached between the motor 10 and the stepped transmission 20 and transmits or cuts off the driving force P to the stepped transmission 20.
  • the clutch 25 is operated by an occupant operating a clutch lever (not shown).
  • FIG. 3 is a block diagram showing the configuration of the ECU 5 that implements the electric two-wheeled vehicle control method according to the present embodiment.
  • the ECU 5 is connected to a disconnection detection means 40 that detects the engagement state of the clutch and an accelerator operation amount detection means 50 that detects the accelerator operation amount.
  • the ECU 5 is connected to a motor rotation speed detection means 60 that detects the motor rotation speed of the motor 10 and a vehicle speed measurement means 70 that measures the vehicle speed of the saddle-ride type vehicle 1.
  • the ECU 5 includes a detection information acquisition unit 24 that acquires information detected by various detection units.
  • the ECU 5 also includes a calculation means 26 that performs calculations for output control based on the acquired information.
  • the ECU 5 performs output control depending on the driving state and the like, and includes a determination means 27 for making determinations for this purpose. The operation of the determining means 27 will be described later.
  • the ECU 5 includes a motor rotation speed setting means 29 that sets the motor rotation speed based on a torque map, a motor rotation speed control means 31 that controls the motor 10 so that the motor 10 rotates at the set motor rotation speed, and an output. It is equipped with an output control means 33 that performs overall control. Each operation will be described later.
  • the ECU 5 also includes a storage unit 35 that stores programs and data for implementing various means, as well as torque map information to be described later.
  • the storage means 35 is realized by a storage device such as an SSD (Solid State Drive). Further, the detection information acquisition means 24 is realized by an interface circuit or the like.
  • the calculation means 26, the determination means 27, the motor rotation speed setting means 29, the motor rotation speed control means 31, and the output control means 33 are realized by executing a program stored in the storage means 35.
  • FIG. 4 is a flowchart of output control in the electric two-wheeled vehicle.
  • the accelerator operation amount detection means 50 detects the accelerator operation amount by the occupant (step TA1). Specifically, the throttle opening in an internal combustion engine is detected from the rotation angle of the accelerator grip.
  • the detection information acquisition means 24 acquires the accelerator operation amount from the accelerator operation amount detection means 50.
  • the calculation means 26 converts the accelerator operation amount into a required output (step TA2).
  • the calculation means 26 converts the required output into a corresponding predetermined current value (step TA3).
  • the output control means 33 controls the battery 15 so as to output a predetermined current value to the motor 10 (step TA4). As a result, the motor 10 outputs torque corresponding to the requested output (step TA5).
  • FIG. 5 is a flowchart of a method for controlling the electric two-wheeled vehicle when starting to engage the clutch 25.
  • the ECU 5 uses the detection information acquisition means 24 to acquire the engagement state of the clutch 25 detected by the disconnection detection means 40 (step SA1: disconnection detection step).
  • the ECU 5 uses the determining means 27 to determine whether the clutch 25 is in the engagement start state (step SA2: engagement start detection step). If it is determined that the clutch 25 is in the engagement start state (step SA2: YES), the ECU 5 uses the detection information acquisition means 24 to acquire the accelerator operation amount detected by the accelerator operation amount detection means 50 (step SA3: operation detection step).
  • the ECU 5 uses the determining means 27 to determine whether the accelerator operation amount is zero (step SA4).
  • step SA4 the output control means 33 of the ECU 5 performs output control on the battery 15 and motor 10 based on the requested output for start preparation (step SA5: output control step).
  • output control includes a target motor rotation speed setting step in which a target motor rotation speed is set in order to output the required output for start preparation, and a motor rotation speed control step in which the motor rotation speed is controlled based on the target motor rotation speed. and a number control step. If it is determined that the clutch 25 is not in the engagement start state (step SA2: NO), the process returns to step SA1. If it is determined that the accelerator operation amount is zero (step SA4: YES), the process returns to step SA1.
  • the required output for start preparation is an output value that ensures that the vehicle speed is generated only up to a preset running resistance, regardless of the clutch operation state.
  • the required output for start preparation is calculated from the magnitude of running resistance, which is mainly rolling resistance, on a flat road.
  • FIG. 6 is a flowchart showing torque map switching control immediately after the clutch 25 is engaged.
  • Information about the torque map may be stored by storage means 35.
  • a plurality of torque maps are stored in the ECU 5 by the storage means 35, and the ECU 5 switches the torque maps depending on the driving state.
  • the plurality of torque maps may include, for example, a torque map with characteristics that are gentle and reassuring from start to low speed driving, and a torque map with characteristics that are full of torque in the medium and low speed range.
  • the output control includes a torque map switching step of switching the torque map followed by the motor 10 based on the motor rotation speed and/or vehicle speed.
  • the ECU 5 uses the detection information acquisition means 24 to acquire information on the motor rotation speed detected by the motor rotation speed detection means 60 (step SB1: motor rotation speed detection step).
  • the ECU 5 determines whether the motor rotation speed has decreased by the determination means 27 (step SB2). If the determination means 27 determines that the motor rotation speed has not decreased (step SB2: NO), the ECU 5 acquires the vehicle speed information measured by the vehicle speed measurement means 70 using the detected information acquisition means 24 (step SB3 :Vehicle speed measurement step).
  • the ECU 5 uses the determining means 27 to determine whether the vehicle speed has exceeded a predetermined threshold (step SB4).
  • step SB4 If it is determined that the vehicle speed has exceeded the predetermined threshold (step SB4: YES), the output control means 33 switches the torque map to the required output map for starting (step SB5).
  • step SB5 When the determination means 27 determines that the motor rotation speed is decreasing (step SB2: YES), the output control means 33 switches the torque map to the required output map for starting (step SB5: first switching step). If the determining means 27 determines that the vehicle speed is less than the predetermined threshold (step SB4: NO), the process returns to step SB1.
  • FIG. 7 is a flowchart showing torque map switching control during transition to normal driving.
  • the ECU 5 uses the detection information acquisition means 24 to acquire the engagement state of the clutch 25 detected by the disconnection detection means 40 (step SC1).
  • the ECU 5 uses the determining means 27 to determine whether the clutch 25 is fully engaged (step SC2). At this time, the clutch engagement completion state may be either a state in which the clutch 25 is completely engaged or a state in which the clutch rotation difference has disappeared. If it is determined that the clutch 25 is fully engaged (step SC2: YES), the output control means 33 switches the torque map to the normal driving map (step SC3: second switching step). If it is determined that the clutch 25 is not in the fully engaged state (step SC2: NO), the process returns to step SC1.
  • FIG. 8 is a torque curve of the motor after output control is performed. Specifically, the output is controlled according to the required output map for starting. The horizontal axis is the motor rotation speed, and the vertical axis is the torque amount. A torque curve is set according to the amount of accelerator operation.
  • the output control means 33 controls the motor 10 so that the required output for start preparation is output. In a low rotation range up to 2000 rpm, the output control means 33 controls the motor 10 so that an output corresponding to the stall rotation speed is output. If normal motor torque is transmitted, a large load change will occur when the clutch is engaged, resulting in a large drop in rotational speed. At this time, torque control is performed to prevent the occupants from getting the feeling that the engine is stalling.
  • FIG. 9 shows output control according to the normal driving map.
  • the horizontal axis is the motor rotation speed
  • the vertical axis is the torque amount.
  • a torque curve is set according to the amount of accelerator operation.
  • the map for normal driving outputs a larger torque than the required output map for starting, for example, in the rotation speed range from 4000 rpm to 6000 rpm (region X). This kind of seasoning enables powerful driving in the medium speed range.
  • region Z of FIG. 9 the map is such that the torque decreases as the rotational speed increases. This has the effect of prompting the driver to shift up and return to the region with good motor drive efficiency if the motor deviates from the region with good drive efficiency.
  • FIG. 10 is a timing chart of the required output and clutch output rotation speed.
  • a line 101 schematically represents a timing chart of clutch operation by a passenger. In region A, the clutch is in a disengaged state, and in region B, the clutch is in a fully engaged state.
  • a line 103 schematically represents the amount of accelerator operation performed by the occupant at the same time.
  • line 105 shows the motor rotation speed (broken line) whose output is controlled according to the accelerator operation amount and the clutch output rotation speed (solid line).
  • a line 107 simply represents the control timing of the motor 10 by the output control means 33. In region C, the motor 10 is controlled to have zero output. In region D, the motor 10 is controlled to increase the rotational speed in response to an increase in the amount of accelerator operation.
  • region E the clutch 25 is in a half-clutch state, and the clutch 25 is in an engaged state, so output control is performed in accordance with the engaged state.
  • region F the clutch 25 is fully engaged, so switch the torque map to the normal driving map. Perform output control accordingly.
  • Line 109 shows control of the requested output.
  • region G the clutch 25 is not engaged, so the required output is zero.
  • region H since the clutch has started to be engaged, an output equivalent to running resistance (required output for start preparation) is required. Since starting acceleration has started in region I, the torque map is switched to the required output map for starting.
  • region J the clutch 25 is fully engaged, so the torque map is switched to the normal driving map.
  • a method for controlling an electric two-wheeled vehicle equipped with a motor, a clutch, and a stepped transmission comprising: a disengagement detection step of detecting a transition from a state in which the clutch is disengaged to a state in which the clutch is engaged; , an accelerator operation detection step of detecting an accelerator operation amount performed by an occupant after the clutch is engaged; a target motor rotation speed setting step of setting a target motor rotation speed based on the accelerator operation amount;
  • a method for controlling an electric two-wheeled vehicle comprising: a motor rotation speed control step of controlling the rotation speed of the motor based on the rotation speed.
  • (Configuration 2) An engagement start detection step for detecting the start of engagement of the clutch, and when the start of engagement of the clutch is detected in the engagement start detection step, output control based on a predetermined required output for start preparation.
  • the motor characteristics can be switched to an appropriate torque curve according to the driving condition. Therefore, it is possible to provide an electric two-wheeled vehicle that can give the rider the pleasure of freely operating a vehicle similar to a motorcycle equipped with an internal combustion engine.
  • step units of the operations shown in FIGS. 3, 5, 6, and 7 are divided according to the main processing contents in order to facilitate understanding of the control method of the electric two-wheeled vehicle.
  • the present invention is not limited by the division method or name of the units.
  • the process may be divided into more steps.
  • the process may be divided so that one step unit includes more processes.
  • the order of the steps may be changed as appropriate within a range that does not interfere with the spirit of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
PCT/JP2023/002113 2022-03-29 2023-01-24 電動二輪車の制御方法 Ceased WO2023188743A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2024511301A JP7850249B2 (ja) 2022-03-29 2023-01-24 電動二輪車の制御方法
CN202380029986.2A CN118922329A (zh) 2022-03-29 2023-01-24 电动二轮车的控制方法
DE112023000981.3T DE112023000981T5 (de) 2022-03-29 2023-01-24 Verfahren zur steuerung eines elektrischen zweiradfahrzeugs
US18/850,918 US20250214453A1 (en) 2022-03-29 2023-01-24 Method for controlling electric two-wheel vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022054639 2022-03-29
JP2022-054639 2022-03-29

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WO2023188743A1 true WO2023188743A1 (ja) 2023-10-05

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PCT/JP2023/002113 Ceased WO2023188743A1 (ja) 2022-03-29 2023-01-24 電動二輪車の制御方法

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US (1) US20250214453A1 (https=)
JP (1) JP7850249B2 (https=)
CN (1) CN118922329A (https=)
DE (1) DE112023000981T5 (https=)
WO (1) WO2023188743A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4685002A1 (en) * 2024-07-25 2026-01-28 Yamaha Hatsudoki Kabushiki Kaisha Straddled electric vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202300018576A1 (it) * 2023-09-11 2025-03-11 Ferrari Spa Metodo di controllo di un veicolo stradale a trazione elettrica

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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