WO2011120323A1 - 一种基于两档变速箱的电动车控制方法和系统 - Google Patents
一种基于两档变速箱的电动车控制方法和系统 Download PDFInfo
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- WO2011120323A1 WO2011120323A1 PCT/CN2010/080543 CN2010080543W WO2011120323A1 WO 2011120323 A1 WO2011120323 A1 WO 2011120323A1 CN 2010080543 W CN2010080543 W CN 2010080543W WO 2011120323 A1 WO2011120323 A1 WO 2011120323A1
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- electric vehicle
- motor
- mode
- output torque
- control
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Classifications
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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
- 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
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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 the field of motor control for electrically driven vehicles, and more particularly to an electric vehicle control method and system based on a two-speed gearbox.
- the existing two-speed electric drive vehicle using a sine wave permanent magnet synchronous motor has a vehicle controller that can control the operation of the entire vehicle, but the existing vehicle controller cannot satisfy the two-speed gearbox.
- the electric motor drives the motor to smoothly control the motor when shifting.
- the embodiment of the present invention proposes an electric vehicle control method and system based on a two-speed gearbox.
- the technical solution is as follows:
- the embodiment of the invention provides a method for controlling an electric vehicle based on a two-speed gearbox, comprising:
- the operating mode of the electric vehicle is determined, and a control command is issued to control the electric vehicle to switch between the preset operating modes.
- the working mode includes:
- an inverter for controlling a motor of the electric vehicle is normally operated, and controlling an output torque of the motor to be 0; and acquiring an operating speed of the electric vehicle, when the running speed is greater than a preset threshold, Controlling a winding of the motor to generate a field weakening current;
- Speed mode when the electric vehicle is shifting, or the electric vehicle's gearbox is set in the forward gear and the electronic throttle is 0
- the electric vehicle is operated in the speed mode; according to the gear position of the gearbox and the current vehicle speed of the vehicle, the output speed of the motor is adjusted to achieve smooth switching of the gear position;
- a forward drive mode configured to output a forward drive torque when the electric vehicle is traveling forward; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is greater than a maximum motor Output torque; if yes, control the motor to output the maximum forward output torque; otherwise, control the motor to output the corresponding forward output torque; and obtain the running speed of the electric vehicle, when the running speed is greater than the preset threshold, the motor Perform weak magnetic control;
- a reverse driving mode configured to output a reverse driving torque when the electric vehicle runs in the reverse direction; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is greater than a maximum of the motor Output torque; if yes, control the motor to output the maximum reverse output torque; otherwise, control the motor to output the corresponding reverse output torque; and obtain the running speed of the electric vehicle, when the running speed is greater than the preset threshold, the motor Perform weak magnetic control;
- a regenerative braking mode configured to provide a driving torque opposite to the current output torque when the electric vehicle brakes; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is greater than The maximum output torque of the motor; if yes, the motor outputs the maximum reverse output torque; if not, the motor is controlled to output a corresponding reverse output torque; and the operating speed of the electric vehicle is obtained, when the running speed is greater than a preset threshold , the field weakening control of the motor.
- the working mode further includes:
- a prohibition mode when the electric vehicle is initially powered on, disconnecting the output power of the power output portion of the electric vehicle; detecting the electric vehicle, and releasing the locking of the hardware when detecting that the hardware working state is normal .
- the working mode further includes:
- Failure mode when the electric vehicle detects the hardware and finds that the hardware is faulty, issues a fault prompt message, and disconnects the output power of the power output portion of the electric vehicle; when receiving the fault elimination information, exits the fault mode .
- the controlling the switching of the electric vehicle between the preset operating modes comprises: when the electric vehicle is normally powered on, the electric vehicle is operated in a prohibited manner according to a user control instruction of the vehicle controller. In mode; in the disable mode, if the hardware detection fails, switch to the fault mode; and after the fault is removed, the system resets and returns to the disable mode; if the hardware detection has no fault, according to the user control command of the vehicle controller, Switch between speed mode, forward drive mode, reverse drive mode, and regenerative braking mode.
- the embodiment of the invention also provides an electric vehicle control system based on a two-speed gearbox, comprising:
- a working mode module configured to control the electric vehicle to work in a preset working mode, and according to a control instruction Switch between the preset working modes
- control module configured to determine an operating mode of the electric vehicle according to the received user control instruction, and issue a control command to control the working mode module to switch the electric vehicle between preset working modes.
- the working mode module includes:
- a zero torque mode unit configured to control an inverter of the motor of the electric vehicle to operate normally, and control an output torque of the motor to be 0; and obtain an operating speed of the electric vehicle, when the running speed is greater than a preset threshold Controlling a winding of the motor to generate a field weakening current;
- a speed mode unit configured to operate the electric vehicle in a speed mode when the electric vehicle shifts gears, or when the electric vehicle's gearbox is disposed in the forward gear and the electronic throttle is at a starting state of 0;
- the gear position and the current vehicle speed of the vehicle adjust the output speed of the motor to achieve smooth switching of the gear position;
- a forward drive mode unit configured to output a forward drive torque when the electric vehicle is traveling forward; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is greater than a motor Maximum output torque; if yes, control the motor to output the maximum forward output torque; otherwise, control the motor to output the corresponding positive output torque; and obtain the running speed of the electric vehicle, when the running speed is greater than the preset threshold,
- the motor performs weak field control;
- a reverse driving mode unit configured to output a reverse driving torque when the electric vehicle runs in the reverse direction; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is greater than a motor Maximum output torque; if yes, control the motor to output the maximum reverse output torque; otherwise, control the motor to output the corresponding reverse output torque; and obtain the running speed of the electric vehicle, when the running speed is greater than the preset threshold,
- the motor performs weak field control;
- a regenerative braking mode unit configured to provide a driving torque opposite to the current output torque when the electric vehicle brakes; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is Greater than the maximum output torque of the motor; if yes, the motor outputs the maximum reverse output torque; if not, the motor is controlled to output a corresponding reverse output torque; and the operating speed of the electric vehicle is obtained, when the running speed is greater than a preset threshold When the motor is weakened and magnetically controlled.
- the working mode module further includes:
- the mode unit is disabled, when the electric vehicle is initially powered on, the electric vehicle is operated in a prohibition mode; the output power of the power output portion of the electric vehicle is disconnected; and the electric vehicle is detected, when detected When the hardware is working normally, the hardware is unlocked.
- the working mode module further includes:
- a failure mode unit when the electric vehicle detects the hardware and finds that the hardware is faulty, the electric vehicle is caused Working in the fault mode unit; issuing a fault prompt message, and disconnecting the output power of the power output portion of the electric vehicle; when receiving the fault elimination information, exiting the fault mode.
- the working mode module further includes:
- a mode switching unit configured to control switching of an operation mode of the electric vehicle; when the electric vehicle is normally powered on, the electric vehicle is operated in the prohibition mode according to a user control instruction of the vehicle controller; in the prohibition mode, If the hardware detection fails, switch to the failure mode; and after the fault is removed, the system resets and returns to the inhibit mode; if the hardware detection has no fault, according to the user control command of the vehicle controller, in the speed mode, the forward drive mode Switch between reverse drive mode and regenerative brake mode.
- the present invention provides a method and system for controlling an electric vehicle based on a two-speed gearbox, and the system of the embodiment of the present invention includes an operating mode module and a control module.
- the method of an embodiment comprises: determining a mode of operation of the electric vehicle when a user control command is received, and issuing a control command to control the electric vehicle to switch between pre-set operating modes.
- the embodiment of the present invention can provide stable and reliable drive control through the preset electric vehicle working mode to control the working mode and output torque of the motor according to the control command of the vehicle controller of the electric vehicle.
- FIG. 1 is a schematic structural view of a third embodiment of the present invention.
- FIG. 2 is a schematic structural view of a fourth embodiment of the present invention.
- FIG. 3 is a flow chart showing the switching in the second and fourth embodiments of the present invention. detailed description
- the first embodiment of the present invention provides an electric vehicle control method based on a two-speed gearbox, including:
- the operating mode of the electric vehicle is determined, and a control command is issued to control the electric vehicle to switch between the preset operating modes.
- the embodiment of the present invention switches between the various working modes according to the control command through a preset working mode.
- This may be such that the electric vehicle is controlled to operate in a preset operating mode and is preset in accordance with a control command. Switch between working modes. In this way, it is possible to provide stable and reliable drive control through the preset electric vehicle working mode to control the working mode and output torque of the motor according to the control command of the vehicle controller of the electric vehicle.
- a second embodiment of the present invention provides an electric vehicle control method based on a two-speed gearbox, including:
- the working modes include:
- a prohibition mode when the electric vehicle is initially powered on, disconnecting the output power of the power output portion of the electric vehicle; detecting the electric vehicle, and releasing the locking of the hardware when detecting that the hardware working state is normal ;
- Failure mode when the electric vehicle detects the hardware and finds that the hardware is faulty, issues a fault prompt message, and disconnects the output power of the power output portion of the electric vehicle; when receiving the fault elimination information, exits the fault mode a zero torque mode for operating the electric vehicle in a zero torque mode; controlling an inverter of the electric motor of the electric vehicle to operate normally, and controlling an output torque of the electric motor to be 0; and acquiring the electric vehicle Running speed, when the running speed is greater than a preset threshold, controlling a winding of the motor to generate a weak magnetic current;
- a speed mode when the electric vehicle is shifting, or when the transmission of the electric vehicle is set in the forward gear and the electronic throttle is in the starting state of 0, the electric vehicle is operated in the speed mode; Position and the current vehicle speed of the vehicle, adjust the output speed of the motor to achieve smooth switching of the gear position;
- a forward drive mode configured to operate the electric vehicle in a forward drive mode when the electric vehicle is traveling forward; and determine a motor output torque corresponding to the motor output torque command according to the received motor output torque command Is it greater than the maximum output torque of the motor; if yes, the motor outputs the maximum forward output torque; otherwise, the motor is controlled to output a corresponding positive output torque; and the operating speed of the electric vehicle is obtained, when the running speed is greater than the preset At the threshold, the motor is subjected to field weakening control;
- a reverse driving mode configured to operate the electric vehicle in a reverse driving mode when the electric vehicle is traveling in reverse; and determine a motor output torque corresponding to the motor output torque command according to the received motor output torque command Whether it is greater than the maximum output torque of the motor; if yes, the motor outputs the maximum reverse output torque; otherwise, the control motor outputs the corresponding reverse output torque; and obtains the running speed of the electric vehicle, when the running speed is greater than the preset At the threshold, the motor is subjected to field weakening control;
- a regenerative braking mode configured to: when the electric vehicle brakes, operate the electric vehicle in a regenerative braking mode; and determine, according to the received motor output torque command, whether the motor output torque corresponding to the motor output torque command is Greater than the maximum output torque of the motor; if yes, control the motor to output the maximum reverse output torque; otherwise, control the motor output phase The reverse output torque should be; and the running speed of the electric vehicle is obtained, and when the running speed is greater than the preset threshold, the motor is subjected to field weakening control.
- the controlling the electric vehicle to switch between the preset working modes comprises: when the electric vehicle is normally powered on, the electric vehicle is operated in the prohibition mode according to the user control instruction of the vehicle controller; in the prohibition mode If the hardware detection fails, switch to the failure mode; after the fault is removed, the system resets and returns to the prohibition mode; if the hardware detection has no fault, according to the user control command of the vehicle controller, in the speed mode, the forward drive Switch between mode, reverse drive mode, and regenerative braking mode.
- the foregoing switching between preset operating modes can be as shown in FIG.
- the vehicle controller sends a user control command to the motor's control module to inform the current electric vehicle's operating mode.
- the control module of the motor completes the switching between the operating modes according to the user control command.
- step a As shown in Fig. 3 is performed.
- step a the application in the motor controller is normally flashed; all outputs of the motor controller have been set to a safe state; the motor controller has completed all 10 drive initializations; the motor controller has completed all CAN drive initialization; The motor controller has completed calibration of the DC bus current sensor and phase current sensor. If there is a hardware failure, go to step m and go to the failure mode; and return to the inhibit mode after the fault is removed. If there is no fault, go to step b and enter zero torque mode.
- step b the vehicle controller has enabled the motor controller; overcurrent, overtemperature, module fault and resolver position faults have been cleared; the vehicle controller requests zero torque mode.
- step k can be entered into the speed mode according to the user control command of the vehicle controller, or step c can be entered into the forward drive mode, or step d can be entered into the reverse drive mode, or step e can be entered.
- Regenerative braking mode At the same time, the forward drive mode can be switched to the reverse drive mode by step f; the reverse drive mode can be switched to the regenerative brake mode by step g, and the forward drive mode can also be switched to the regenerative brake mode by step h.
- the switching process of the foregoing step f, step g, and step h is a prior art, and details are not described herein again.
- step j When the electric vehicle is parked, the electric vehicle is first operated in the prohibition mode by step j. Then power off by step i.
- the third embodiment of the present invention provides an electric vehicle control system based on a two-speed gearbox, and its structure is as shown in FIG. 1, which includes:
- the working mode module 1 is configured to control the electric vehicle to work in a preset working mode, and according to the control instruction Switch between the preset working modes;
- the control module 2 is configured to determine an operating mode of the electric vehicle according to the received user control instruction, and issue a control command to control the working mode module to switch the electric vehicle between preset working modes.
- the embodiment of the present invention switches between the various working modes according to the control command through a preset working mode. This can be done to control the electric vehicle to operate in a pre-set operating mode and to switch between the pre-set operating modes in accordance with control commands. In this way, it is possible to provide stable and reliable drive control through the preset electric vehicle working mode to control the working mode and output torque of the electric motor according to the control command of the electric vehicle's vehicle controller.
- the fourth embodiment of the present invention provides an electric vehicle control system based on a two-speed gearbox, and its structure is as shown in FIG. 2, including:
- the working mode module 1 is configured to control the electric vehicle to operate in a preset working mode, and switch between the preset working modes according to the control instruction;
- the control module 2 is configured to determine an operating mode of the electric vehicle according to the received user control instruction, and issue a control command to control the working mode module to switch the electric vehicle between preset working modes.
- the working mode module 1 includes:
- the prohibition mode unit 11 is configured to: when the electric vehicle is initially powered on, disconnect the output power of the power output unit of the electric vehicle; and detect the electric vehicle, and when it detects that the hardware working state is normal, release The blocking of the hardware.
- a fault mode unit 12 configured to detect hardware of the electric vehicle; when the hardware fails, issue a fault prompt message, and disconnect the output power of the power output portion of the electric vehicle; when receiving the fault elimination information , exit the failure mode;
- a zero torque mode unit 13 for operating the electric vehicle in a zero torque mode; controlling an inverter of the electric motor of the electric vehicle to operate normally, and controlling an output torque of the electric motor to be 0; and acquiring the electric vehicle Running speed, when the running speed is greater than a preset threshold, controlling a winding of the motor to generate a weak magnetic current;
- the speed mode unit 14 is configured to: when the electric vehicle shifts gears, or when the gearbox of the electric vehicle is set in the forward gear and the electronic throttle is in the starting state of 0, the electric vehicle operates in the speed mode; The gear position, adjusting the output torque of the motor;
- a forward drive mode unit 15 configured to operate the electric vehicle in a forward drive mode when the electric vehicle is traveling forward; and determine a motor corresponding to the motor output torque command according to the received motor output torque command Whether the output torque is greater than the maximum output torque of the motor; if yes, controlling the maximum output torque of the motor output; otherwise, controlling the motor to output a corresponding forward output torque; and obtaining the running speed of the electric vehicle, when the running speed is greater than Preset threshold When the motor is weakly controlled;
- a reverse drive mode unit 16 configured to operate the electric vehicle in a reverse drive mode when the electric vehicle is traveling in reverse; and determine a motor corresponding to the motor output torque command according to the received motor output torque command Whether the output torque is greater than the maximum output torque of the motor; if yes, controlling the motor to output the maximum reverse output torque; otherwise, controlling the motor to output the corresponding reverse output torque; and obtaining the running speed of the electric vehicle, when the running speed is greater than When the threshold is preset, the motor is subjected to field weakening control;
- a regenerative braking mode unit 17 configured to: when the electric vehicle brakes, operate the electric vehicle in a regenerative braking mode; and determine a motor output corresponding to the motor output torque command according to the received motor output torque command Whether the torque is greater than the maximum output torque of the motor; if yes, controlling the motor to output the maximum reverse output torque; otherwise, controlling the motor to output the corresponding reverse output torque; and obtaining the running speed of the electric vehicle, when the running speed is greater than the pre- When the threshold is set, the motor is subjected to field weakening control.
- control module 2 includes:
- the mode switching unit 21 is configured to control the switching of the working mode of the electric vehicle; when the electric vehicle is normally powered on, the electric vehicle is operated in the prohibition mode according to the user control instruction of the vehicle controller; in the prohibition mode If the hardware detection fails, switch to the failure mode; after the fault is removed, the system resets and returns to the prohibition mode; if the hardware detection has no fault, according to the user control command of the vehicle controller, in the speed mode, the forward drive Switch between mode, reverse drive mode, and regenerative braking mode.
- step a As shown in Fig. 3 is performed.
- step a the application in the motor controller is normally flashed; all outputs of the motor controller have been set to a safe state; the motor controller has completed all 10 drive initializations; the motor controller has completed all CAN drive initialization; The motor controller has completed calibration of the DC bus current sensor and phase current sensor. If there is a hardware failure, go to step m and go to the failure mode; and return to the inhibit mode after the fault is removed. If there is no fault, go to step b and enter zero torque mode.
- step b the vehicle controller has enabled the motor controller; overcurrent, overtemperature, module fault and resolver position faults have been cleared; the vehicle controller requests zero torque mode.
- step k can be entered into the speed mode according to the user control command of the vehicle controller, or step c can be entered into the forward drive mode, or step d can be entered into the reverse drive mode, or step e can be entered.
- Regenerative braking mode At the same time, the forward drive mode can be switched to the reverse drive mode by step f; the regenerative brake mode can be switched to the reverse drive mode by step g, and the forward drive mode can also be switched to the regenerative brake mode by step h.
- the switching process of the foregoing step f, step g, and step h is a prior art, and details are not described herein again.
- step j When the electric vehicle is parked, the electric vehicle is first operated in the prohibition mode by step j. Then proceed through step i Power off.
- All or part of the technical solutions provided by the above embodiments may be implemented by software programming, and the software program is stored in a readable storage medium such as a hard disk, an optical disk or a floppy disk in a computer.
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Description
一种基于两档变速箱的电动车控制方法和系统
技术领域
本发明涉及电驱动机动车的电机控制领域, 特别涉及一种基于两档变速箱的电动车控 制方法和系统。 背景技术 说 随着能源日益枯竭以及日益严重的污染问题, 电驱动的机动车已经成为了发展的趋势。 在轿车行业, 由于受到安装空间的限制, 对电机驱动系统的体积尺寸要求苛刻, 因此在纯 电动汽车驱动系统中一般采用正弦波永磁同步电机。 正弦波永磁同步电机具有运行可靠、 书
体积小、 质量轻、 损耗少、 效率高以及形状和尺寸灵活多样等显著优点。 不仅能驱动整车, 而且能通过制动能量回收对电池充电。
在实现本发明的过程中, 发明人发现现有技术至少存在以下问题:
现有的采用正弦波永磁同步电机的两档式的电驱动机动车具有整车控制器, 可以控制 整车的运行, 但是现有的整车控制器并不能满足对于具有两档式变速箱的电驱动机动车换 档时的电机平稳控制。 而现有技术中有柴油或汽油动力汽车的发动机控制策略, 但不适用 于纯电动车。 发明内容
为了解决现有技术中缺少对纯电动车的电机进行控制的方法和系统的问题, 本发明实 施例提出了一种基于两档变速箱的电动车控制方法和系统。 所述技术方案如下:
本发明实施例提出了一种基于两档变速箱的电动车控制方法, 包括:
当接收到用户控制指令时, 确定所述电动车的工作模式, 并发出控制指令控制所述电 动车在预设置的工作模式之间切换。
作为上述技术方案的优选, 所述工作模式包括:
零扭矩模式, 用于控制所述电动车的电机的逆变器正常工作, 并控制所述电机的输出 扭矩为 0; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 控制所述电机的绕 组产生弱磁电流;
速度模式, 用于当所述电动车换挡时, 或电动车的变速箱设置于前进挡且电子油门为 0
的起步状态时, 使所述电动车工作在速度模式; 以根据变速箱的档位及整车当前车速, 调 节电动机的输出转速, 实现档位的平稳切换;
正向驱动模式, 用于当所述电动车正向行驶时, 输出正向驱动扭矩; 并根据接收到的 电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的最大 输出扭矩; 如果是, 则控制电机输出最大正向输出扭矩; 否, 则控制电机输出相应的正向 输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁 控制;
反向驱动模式, 用于当所述电动车反向行驶时, 输出反向驱动扭矩; 并根据接收到的 电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的最大 输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出相应的反向 输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁 控制;
再生制动模式, 用于当所述电动车制动时, 提供与当前输出扭矩相反的驱动扭矩; 并 根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大 于电机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输 出相应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对 电机进行弱磁控制。
作为上述技术方案的优选, 所述工作模式还包括:
禁止模式, 当所述电动车初始上电时, 断开所述电动车的动力输出部的输出动力; 并 对所述电动车进行检测, 当检测到硬件工作状态正常时, 解除该硬件的闭锁。
作为上述技术方案的优选, 所述工作模式还包括:
故障模式, 当所述电动车对硬件进行检测并发现硬件出现故障时, 发出故障提示信息, 并断开所述电动车的动力输出部的输出动力; 当接收到故障排除信息时, 退出故障模式。
作为上述技术方案的优选, 所述控制所述电动车在预设置的工作模式之间切换包括: 当电动车正常加电启动时, 根据整车控制器的用户控制指令, 使电动车工作在禁止模 式下; 在禁止模式下, 如果硬件检测出现故障, 则切换到故障模式; 并在故障排除后, 系 统复位并返回禁止模式; 如果硬件检测没有故障, 则根据整车控制器的用户控制指令, 在 速度模式、 正向驱动模式、 反向驱动模式、 再生制动模式之间切换。 本发明实施例还提出了一种基于两档变速箱的电动车控制系统, 包括:
工作模式模块, 用于控制所述电动车工作在预设置的工作模式, 并根据控制指令在所
述预设置的工作模式之间切换;
控制模块, 用于根据接收到的用户控制指令确定所述电动车的工作模式, 并发出控制 指令控制所述工作模式模块, 使所述电动车在预设置的工作模式之间切换。
作为上述技术方案的优选, 所述工作模式模块包括:
零扭矩模式单元, 用于控制所述电动车的电机的逆变器正常工作, 并控制所述电机的 输出扭矩为 0; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 控制所述电机 的绕组产生弱磁电流;
速度模式单元, 用于当所述电动车换挡时, 或电动车的变速箱设置于前进挡且电子油 门为 0 的起步状态时, 使所述电动车工作在速度模式; 以根据变速箱的档位及整车当前车 速, 调节电动机的输出转速, 实现档位的平稳切换;
正向驱动模式单元, 用于当所述电动车正向行驶时, 输出正向驱动扭矩; 并根据接收 到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的 最大输出扭矩; 如果是, 则控制电机输出最大正向输出扭矩; 否, 则控制电机输出相应的 正向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行 弱磁控制;
反向驱动模式单元, 用于当所述电动车反向行驶时, 输出反向驱动扭矩; 并根据接收 到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的 最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出相应的 反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行 弱磁控制;
再生制动模式单元, 用于当所述电动车制动时, 提供与当前输出扭矩相反的驱动扭矩; 并根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否 大于电机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机 输出相应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁控制。
作为上述技术方案的优选, 所述工作模式模块还包括:
禁止模式单元, 当所述电动车初始上电时, 使所述电动车工作在禁止模式; 断开所述 电动车的动力输出部的输出动力; 并对所述电动车进行检测, 当检测到硬件工作状态正常 时, 解除该硬件的闭锁。
作为上述技术方案的优选, 所述工作模式模块还包括:
故障模式单元, 当所述电动车对硬件进行检测并发现硬件出现故障时, 使所述电动车
工作在故障模式单元; 发出故障提示信息, 并断开所述电动车的动力输出部的输出动力; 当接收到故障排除信息时, 退出故障模式。
作为上述技术方案的优选, 所述工作模式模块还包括:
模式切换单元, 用于控制所述电动车的工作模式的切换; 当电动车正常加电启动时, 根据整车控制器的用户控制指令, 使电动车工作在禁止模式下; 在禁止模式下, 如果硬件 检测出现故障, 则切换到故障模式; 并在故障排除后, 系统复位并返回禁止模式; 如果硬 件检测没有故障, 则根据整车控制器的用户控制指令, 在速度模式、 正向驱动模式、 反向 驱动模式、 再生制动模式之间切换。 本发明实施例提供的技术方案带来的有益效果是: 本发明提出了一种基于两档变速箱 的电动车控制方法和系统, 本发明实施例的系统包括工作模式模块和控制模块; 本发明实 施例的方法包括: 当接收到用户控制指令时, 确定所述电动车的工作模式, 并发出控制指 令控制所述电动车在预设置的工作模式之间切换。 本发明实施例可以通过预设置的电动车 工作模式, 提供稳定可靠的驱动控制, 以根据电动车的整车控制器的控制指令, 控制电机 的工作模式和输出扭矩。 附图说明
图 1为本发明第三实施例的结构示意图;
图 2为本发明第四实施例的结构示意图;
图 3为本发明第二和第四实施例中切换的流程示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本发明实施方式作 进一步地详细描述。 实施例 1
本发明第一实施例提出了一种基于两档变速箱的电动车控制方法, 包括:
当接收到用户控制指令时, 确定所述电动车的工作模式, 并发出控制指令控制所述电 动车在预设置的工作模式之间切换。
本发明实施例通过预设置的工作模式, 根据控制指令在各个工作模式之间切换。 这样 可以使得, 用于控制所述电动车工作在预设置的工作模式, 并根据控制指令在所述预设置
的工作模式之间切换。 这样就可以通过预设置的电动车工作模式, 提供稳定可靠的驱动控 制, 以根据电动车的整车控制器的控制指令, 控制电机的工作模式和输出扭矩。 实施例 2
本发明第二实施例提出了一种基于两档变速箱的电动车控制方法, 包括:
接收到用户控制指令时, 确定所述电动车的工作模式, 并发出控制指令控制所述电动 车在预设置的工作模式之间切换;
所述工作模式包括:
禁止模式, 当所述电动车初始上电时, 断开所述电动车的动力输出部的输出动力; 并 对所述电动车进行检测, 当检测到硬件工作状态正常时, 解除该硬件的闭锁;
故障模式, 当所述电动车对硬件进行检测并发现硬件出现故障时, 发出故障提示信息, 并断开所述电动车的动力输出部的输出动力; 当接收到故障排除信息时, 退出故障模式; 零扭矩模式, 用于使所述电动车工作在零扭矩模式; 控制所述电动车的电机的逆变器 正常工作, 并控制所述电机的输出扭矩为 0; 并获取所述电动车的运行速度, 当运行速度大 于预设阈值时, 控制所述电机的绕组产生弱磁电流;
速度模式, 用于当所述电动车换挡时, 或电动车的变速箱设置于前进挡且电子油门为 0 的起步状态时, 是所述电动车工作在速度模式; 以根据变速箱的档位及整车当前车速, 调 节电动机的输出转速, 实现档位的平稳切换;
正向驱动模式, 用于当所述电动车正向行驶时, 使所述电动车工作在正向驱动模式; 根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大 于电机的最大输出扭矩; 如果是, 则控制电机输出最大正向输出扭矩; 否, 则控制电机输 出相应的正向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对 电机进行弱磁控制;
反向驱动模式, 用于当所述电动车反向行驶时, 使所述电动车工作在反向驱动模式; 根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大 于电机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输 出相应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对 电机进行弱磁控制;
再生制动模式, 用于当所述电动车制动时, 使所述电动车工作在再生制动模式; 根据 接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电 机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出相
应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机 进行弱磁控制。
所述控制所述电动车在预设置的工作模式之间切换包括: 当电动车正常加电启动时, 根据整车控制器的用户控制指令, 使电动车工作在禁止模式下; 在禁止模式下, 如果硬件 检测出现故障, 则切换到故障模式; 并在故障排除后, 系统复位并返回禁止模式; 如果硬 件检测没有故障, 则根据整车控制器的用户控制指令, 在速度模式、 正向驱动模式、 反向 驱动模式、 再生制动模式之间切换。
而前述的在预设置的工作模式之间切换, 可以如图 3 所示的。 切换时由整车控制器向 电机的控制模块发出用户控制指令, 以通知当前电动车的工作模式。 电机的控制模块根据 用户控制指令, 完成工作模式之间的切换。
切换的流程具体为:
当电动车正常加电启动时, 执行如图 3中所示的步骤 a。 步骤 a中, 电机控制器中应用 程序被正常刷写; 电机控制器的所有输出已经被设置成安全状态; 电机控制器已完成所有 的 10驱动初始化; 电机控制器已完成所有的 CAN驱动初始化; 电机控制器已完成直流母线 电流传感器、 相电流传感器标定。 如果有硬件故障, 执行步骤 m, 进入故障模式; 并在故障 排除后返回到禁止模式。 如果没有故障, 则执行步骤 b, 进入零扭矩模式。 步骤 b中, 整车 控制器已经使能电机控制器; 过流、 过温、 模块故障及旋变位置故障已经被清除; 整车控 制器请求零扭矩模式。
在零扭矩模式下, 就可以根据整车控制器的用户控制指令, 执行步骤 k进入速度模式, 或执行步骤 c进入正向驱动模式, 或执行步骤 d进入反向驱动模式, 或执行步骤 e进入再 生制动模式。 同时, 在正向驱动模式可以通过步骤 f 向反向驱动模式转换; 反向驱动模式 可以通过步骤 g向再生制动模式转换, 前向驱动模式也可以通过步骤 h向再生制动模式转 换。 上述的步骤 f、 步骤 g、 步骤 h的切换过程为现有技术, 在此不再赘述。
在电动车停车时, 首先通过步骤 j使电动车工作在禁止模式下。 然后通过步骤 i进行 断电。
同时, 在任何模式下, 如果出现硬件故障, 就切换到故障模式。 实施例 3
本发明第三实施例提出了一种基于两档变速箱的电动车控制系统, 其结构如图 1所示, 包括:
工作模式模块 1, 用于控制所述电动车工作在预设置的工作模式, 并根据控制指令在所
述预设置的工作模式之间切换;
控制模块 2, 用于根据接收到的用户控制指令确定所述电动车的工作模式, 并发出控制 指令控制所述工作模式模块, 使所述电动车在预设置的工作模式之间切换。
本发明实施例通过预设置的工作模式, 根据控制指令在各个工作模式之间切换。 这样 可以使得, 用于控制所述电动车工作在预设置的工作模式, 并根据控制指令在所述预设置 的工作模式之间切换。 这样就可以通过预设置的电动车工作模式, 提供稳定可靠的驱动控 制, 以根据电动车的整车控制器的控制指令, 控制电机的工作模式和输出扭矩。 实施例 4
本发明第四实施例提出了一种基于两档变速箱的电动车控制系统, 其结构如图 2所示, 包括:
工作模式模块 1, 用于控制所述电动车工作在预设置的工作模式, 并根据控制指令在所 述预设置的工作模式之间切换;
控制模块 2, 用于根据接收到的用户控制指令确定所述电动车的工作模式, 并发出控制 指令控制所述工作模式模块, 使所述电动车在预设置的工作模式之间切换。
其中, 工作模式模块 1包括:
禁止模式单元 11, 用于当所述电动车初始上电时, 断开所述电动车的动力输出部的输 出动力; 并对所述电动车进行检测, 当检测到硬件工作状态正常时, 解除该硬件的闭锁。
故障模式单元 12, 用于检测所述电动车的硬件; 当所述硬件出现故障时, 发出故障提 示信息, 并断开所述电动车的动力输出部的输出动力; 当接收到故障排除信息时, 退出故 障模式;
零扭矩模式单元 13, 用于使所述电动车工作在零扭矩模式; 控制所述电动车的电机的 逆变器正常工作, 并控制所述电机的输出扭矩为 0; 并获取所述电动车的运行速度, 当运行 速度大于预设阈值时, 控制所述电机的绕组产生弱磁电流;
速度模式单元 14, 用于当所述电动车换挡时, 或电动车的变速箱设置于前进挡且电子 油门为 0 的起步状态时, 是所述电动车工作在速度模式; 以根据变速箱的档位, 调节电动 机的输出扭矩;
正向驱动模式单元 15, 用于当所述电动车正向行驶时, 使所述电动车工作在正向驱动 模式; 根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩 是否大于电机的最大输出扭矩; 如果是, 则控制电机输出最大正向输出扭矩; 否, 则控制 电机输出相应的正向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值
时, 对电机进行弱磁控制;
反向驱动模式单元 16, 用于当所述电动车反向行驶时, 使所述电动车工作在反向驱动 模式; 根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩 是否大于电机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制 电机输出相应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值 时, 对电机进行弱磁控制;
再生制动模式单元 17, 用于当所述电动车制动时, 使所述电动车工作在再生制动模式; 根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大 于电机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输 出相应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对 电机进行弱磁控制。
且控制模块 2包括:
模式切换单元 21, 用于控制所述电动车的工作模式的切换; 当电动车正常加电启动时, 根据整车控制器的用户控制指令, 使电动车工作在禁止模式下; 在禁止模式下, 如果硬件 检测出现故障, 则切换到故障模式; 并在故障排除后, 系统复位并返回禁止模式; 如果硬 件检测没有故障, 则根据整车控制器的用户控制指令, 在速度模式、 正向驱动模式、 反向 驱动模式、 再生制动模式之间切换。
切换的流程具体为:
当电动车正常加电启动时, 执行如图 3中所示的步骤 a。 步骤 a中, 电机控制器中应用 程序被正常刷写; 电机控制器的所有输出已经被设置成安全状态; 电机控制器已完成所有 的 10驱动初始化; 电机控制器已完成所有的 CAN驱动初始化; 电机控制器已完成直流母线 电流传感器、 相电流传感器标定。 如果有硬件故障, 执行步骤 m, 进入故障模式; 并在故障 排除后返回到禁止模式。 如果没有故障, 则执行步骤 b, 进入零扭矩模式。 步骤 b中, 整车 控制器已经使能电机控制器; 过流、 过温、 模块故障及旋变位置故障已经被清除; 整车控 制器请求零扭矩模式。
在零扭矩模式下, 就可以根据整车控制器的用户控制指令, 执行步骤 k进入速度模式, 或执行步骤 c进入正向驱动模式, 或执行步骤 d进入反向驱动模式, 或执行步骤 e进入再 生制动模式。 同时, 在正向驱动模式可以通过步骤 f 向反向驱动模式转换; 再生制动模式 可以通过步骤 g向反向驱动模式转换, 前向驱动模式也可以通过步骤 h向再生制动模式转 换。 上述的步骤 f、 步骤 g、 步骤 h的切换过程为现有技术, 在此不再赘述。
在电动车停车时, 首先通过步骤 j使电动车工作在禁止模式下。 然后通过步骤 i进行
断电。
同时, 在任何模式下, 如果出现硬件故障, 就切换到故障模式。
以上实施例提供的技术方案中的全部或部分内容可以通过软件编程实现, 其软件程序 存储在可读取的存储介质中, 存储介质例如: 计算机中的硬盘、 光盘或软盘。
以上所述仅为本发明的较佳实施例, 并不用以限制本发明, 凡在本发明的精神和原则 之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。
Claims
1、 一种基于两档变速箱的电动车控制方法, 其特征在于, 包括:
当接收到用户控制指令时, 确定所述电动车的工作模式, 并发出控制指令控制所述电动 车在预设置的工作模式之间切换。
2、根据权利要求 1所述的基于两档变速箱的电动车控制方法, 其特征在于, 所述工作模 式包括:
零扭矩模式, 用于控制所述电动车的电机的逆变器正常工作, 并控制所述电机的输出扭 矩为 0, 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 控制所述电机的绕组 产生弱磁电流;
速度模式, 用于当所述电动车换挡时, 或电动车的变速箱设置于前进挡且电子油门为 0 的起步状态时, 使所述电动车工作在速度模式, 以根据变速箱的档位及整车当前车速, 调节 电动机的输出转速, 实现档位的平稳切换;
正向驱动模式, 用于当所述电动车正向行驶时, 输出正向驱动扭矩, 并根据接收到的电 机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的最大输出 扭矩; 如果是, 则控制电机输出最大正向输出扭矩; 否, 则控制电机输出相应的正向输出扭 矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁控制; 反向驱动模式, 用于当所述电动车反向行驶时, 输出反向驱动扭矩; 并根据接收到的电 机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的最大输出 扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出相应的反向输出扭 矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁控制; 再生制动模式, 用于当所述电动车制动时, 提供与当前输出扭矩相反的驱动扭矩; 并根 据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电 机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出相应 的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行 弱磁控制。
3、根据权利要求 2所述的基于两档变速箱的电动车控制方法, 其特征在于, 所述工作模 式还包括:
禁止模式, 当所述电动车初始上电时, 断开所述电动车的动力输出部的输出动力; 并对 所述电动车进行检测, 当检测到硬件工作状态正常时, 解除该硬件的闭锁。
4、根据权利要求 3所述的基于两档变速箱的电动车控制方法, 其特征在于, 所述工作模 式还包括:
故障模式, 当所述电动车对硬件进行检测并发现硬件出现故障时, 发出故障提示信息, 并断开所述电动车的动力输出部的输出动力; 当接收到故障排除信息时, 退出故障模式。
5、根据权利要求 4所述的基于两档变速箱的电动车控制方法, 其特征在于, 所述控制所 述电动车在预设置的工作模式之间切换包括:
当电动车正常加电启动时, 根据整车控制器的用户控制指令, 使电动车工作在禁止模式 下; 在禁止模式下, 如果硬件检测出现故障, 则切换到故障模式; 并在故障排除后, 系统复 位并返回禁止模式; 如果硬件检测没有故障, 则根据整车控制器的用户控制指令, 在速度模 式、 正向驱动模式、 反向驱动模式、 再生制动模式之间切换。
6、 一种基于两档变速箱的电动车控制系统, 其特征在于, 包括:
工作模式模块, 用于控制所述电动车工作在预设置的工作模式, 并根据控制指令在所述 预设置的工作模式之间切换;
控制模块, 用于根据接收到的用户控制指令确定所述电动车的工作模式, 并发出控制指 令控制所述工作模式模块, 使所述电动车在预设置的工作模式之间切换。
7、根据权利要求 6所述的基于两档变速箱的电动车控制系统, 其特征在于, 所述工作模 式模块包括:
零扭矩模式单元, 用于控制所述电动车的电机的逆变器正常工作, 并控制所述电机的输 出扭矩为 0 ; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 控制所述电机的 绕组产生弱磁电流;
速度模式单元, 用于当所述电动车换挡时, 或电动车的变速箱设置于前进挡且电子油门 为 0的起步状态时, 使所述电动车工作在速度模式; 以根据变速箱的档位及整车当前车速, 调节电动机的输出转速, 实现档位的平稳切换;
正向驱动模式单元, 用于当所述电动车正向行驶时, 输出正向驱动扭矩; 并根据接收到 的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的最大 输出扭矩; 如果是, 则控制电机输出最大正向输出扭矩; 否, 则控制电机输出相应的正向输 出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁控制; 反向驱动模式单元, 用于当所述电动车反向行驶时, 输出反向驱动扭矩; 并根据接收到 的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大于电机的最大 输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出相应的反向输 出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机进行弱磁控制; 再生制动模式单元, 用于当所述电动车制动时, 提供与当前输出扭矩相反的驱动扭矩; 并根据接收到的电机输出扭矩指令, 判断该电机输出扭矩指令所对应的电机输出扭矩是否大 于电机的最大输出扭矩; 如果是, 则控制电机输出最大反向输出扭矩; 否, 则控制电机输出 相应的反向输出扭矩; 并获取所述电动车的运行速度, 当运行速度大于预设阈值时, 对电机 进行弱磁控制。
8、根据权利要求 7所述的基于两档变速箱的电动车控制系统, 其特征在于, 所述工作模 式模块还包括:
禁止模式单元, 用于当所述电动车初始上电时, 断开所述电动车的动力输出部的输出动 力; 并对所述电动车进行检测, 当检测到硬件工作状态正常时, 解除该硬件的闭锁。
9、根据权利要求 8所述的基于两档变速箱的电动车控制系统, 其特征在于, 所述工作模 式模块还包括:
故障模式单元, 用于检测所述电动车的硬件; 当所述硬件出现故障时, 发出故障提示信 息, 并断开所述电动车的动力输出部的输出动力; 当接收到故障排除信息时, 退出故障模式。
10、 根据权利要求 9所述的基于两档变速箱的电动车控制系统, 其特征在于, 所述控制 模块包括:
模式切换单元, 用于控制所述电动车的工作模式的切换; 当电动车正常加电启动时, 根 据整车控制器的用户控制指令, 使电动车工作在禁止模式下; 在禁止模式下, 如果硬件检测 出现故障, 则切换到故障模式; 并在故障排除后, 系统复位并返回禁止模式; 如果硬件检测 没有故障, 则根据整车控制器的用户控制指令, 在速度模式、 正向驱动模式、 反向驱动模式、 再生制动模式之间切换。
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| CN101780776B (zh) * | 2010-03-30 | 2012-05-23 | 奇瑞汽车股份有限公司 | 一种基于两档变速箱的电动车控制方法和系统 |
| CN103723142B (zh) * | 2012-10-15 | 2016-05-04 | 北汽福田汽车股份有限公司 | 纯电动汽车的启动控制方法及电动汽车 |
| JP6192921B2 (ja) * | 2012-11-08 | 2017-09-06 | Ntn株式会社 | モータ搭載自動車の低温時駆動制御装置 |
| WO2017118190A1 (zh) * | 2016-01-06 | 2017-07-13 | 北京新能源汽车股份有限公司 | 电动教练车的启动控制方法、启动控制系统和电动教练车 |
| CN105667337A (zh) * | 2016-03-10 | 2016-06-15 | 北京新能源汽车股份有限公司 | 电动汽车及其动力系统、控制方法 |
| CN106427983B (zh) * | 2016-11-01 | 2018-07-13 | 重庆市科诚电机制造有限公司 | 一种二级变速电动三轮车速度控制方法 |
| CN108749645B (zh) * | 2018-04-21 | 2020-11-03 | 浙江合众新能源汽车有限公司 | 电动车辆在空挡滑行时的控制保护方法 |
| CN110886838B (zh) * | 2019-11-29 | 2021-06-25 | 湖南海博瑞德电智控制技术有限公司 | 基于两挡amt电动车换挡方法 |
| CN111645535A (zh) * | 2020-05-29 | 2020-09-11 | 奇瑞商用车(安徽)有限公司 | 一种电动汽车驱动电机控制模式转换方法 |
| CN112644295A (zh) * | 2020-12-31 | 2021-04-13 | 大运汽车股份有限公司 | 一种新能源商用车扭矩仲裁控制方法及控制系统 |
| CN116572753B (zh) * | 2023-04-27 | 2025-08-29 | 奇瑞商用车(安徽)有限公司 | 一种电动汽车电机模式转换及扭矩限制方法 |
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| CN101161499B (zh) * | 2007-09-03 | 2010-08-04 | 奇瑞汽车股份有限公司 | 一种混合动力电机工作模式控制方法 |
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