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    ACTIVE SAFETY CONTROL SYSTEM AND METHOD FOR VEHICLE
    22.
    发明公开
    ACTIVE SAFETY CONTROL SYSTEM AND METHOD FOR VEHICLE 审中-公开

    公开(公告)号：EP3369633A1

    公开(公告)日：2018-09-05

    申请号：EP16858882.0

    申请日：2016-09-26

    Applicant: BYD Company Limited

    Inventor： LIAN, Yubo ,  LUO, Hongbin ,  ZHANG, Jintao ,  YANG, Dongsheng

    IPC: B60T8/171

    CPC classification number: B60T8/171 ,  B60L7/10 ,  B60L7/26 ,  B60T1/10 ,  B60T8/17616 ,  B60T8/1766 ,  B60T8/4275 ,  B60T8/885 ,  B60T2220/04 ,  B60T2270/402 ,  B60T2270/604 ,  B60W10/188

    Abstract: The invention discloses an active safety control system and method for a vehicle. The system comprises: a plurality of motors arranged on a plurality of wheels; a plurality of brakes arranged on the plurality of wheels; a hydraulic braking device; a pedal detection device, used for detecting pedal signals of the vehicle; a motor state detection device, used for detecting the states of the plurality of motors; a plurality of wheel speed detection devices, arranged on the plurality of wheels, used for detecting speeds of the wheels and generating wheel speed detection signals; a power battery, connected with the plurality of motors respectively; and a control device, used for obtaining braking torques according to the pedal signals and the wheel speed detection signals, determining a corresponding braking mode according to the states of the plurality of motors, and controlling the plurality of brakes, the plurality of motors and the hydraulic braking device according to the braking mode and the braking torques. The system can ensure safety, realize regenerative braking feedback and improve the braking control precision.

    ELECTRIC VEHICLE, AND ACTIVE SAFETY CONTROL SYSTEM FOR ELECTRIC VEHICLE AND CONTROL METHOD THEREFOR
    24.
    发明公开
    ELECTRIC VEHICLE, AND ACTIVE SAFETY CONTROL SYSTEM FOR ELECTRIC VEHICLE AND CONTROL METHOD THEREFOR 审中-公开
    电动车辆以及用于电动车辆的主动安全控制系统及其控制方法

    公开(公告)号：EP3213971A1

    公开(公告)日：2017-09-06

    申请号：EP15869332.5

    申请日：2015-12-16

    Applicant: BYD Company Limited

    Inventor： LIAN, Yubo ,  LUO, Hongbin ,  ZHANG, Jintao ,  YANG, Dongsheng ,  LV, Haijun

    IPC: B60W30/02 ,  B60W10/08 ,  B60W10/192 ,  B60L3/00

    CPC classification number: B60L3/102 ,  B60K17/356 ,  B60L3/00 ,  B60L3/106 ,  B60L3/12 ,  B60L11/1851 ,  B60L15/20 ,  B60L15/36 ,  B60W10/08 ,  B60W10/184 ,  B60W10/192 ,  B60W30/02 ,  B60W30/18145 ,  B60W30/18172 ,  B60W2520/125 ,  B60W2520/14 ,  B60W2520/20 ,  B60W2520/28 ,  B60W2540/18 ,  B60W2710/08 ,  B60W2710/083 ,  B60W2710/18 ,  B60W2720/14 ,  B60W2720/20 ,  B60Y2200/91 ,  Y02T10/7258

    Abstract: The present invention discloses an electric vehicle, an active safety control system of an electric vehicle, and a control method of the active safety control system of an electric vehicle. The electric vehicle includes: multiple wheels, multiple motors respectively corresponding to the multiple wheels, a wheel speed detection module that generates a wheel speed signal, a steering wheel rotation angle sensor that detects direction information of the electric vehicle, a yaw rate sensor that detects yaw information of the electric vehicle, and a battery pack. The active safety control system includes: an acquisition module, acquiring the wheel speed signal, the direction information of the electric vehicle, the yaw information of the electric vehicle, status information of the battery pack, and status information of the multiple motors; a status determining module, determining status of the electric vehicle; and a control module, generating a control instruction and delivering the control instruction to at least one motor, so that when the electric vehicle has a side slip and is about to enter a side slip limit interval, the at least one motor is enabled to perform driving control on at least one corresponding wheel; and when the electric vehicle is in the side slip limit interval, the at least one motor is enabled to perform braking control on the at least one corresponding wheel.

    Abstract translation: 本发明公开了一种电动车辆，电动车辆的主动安全控制系统以及电动车辆主动安全控制系统的控制方法。 电动车辆包括：多个车轮，分别对应于多个车轮的多个电动机，产生车轮速度信号的车轮速度检测模块，检测电动车辆的方向信息的方向盘旋转角度传感器，检测车辆的方向信息的偏航率传感器 电动车辆的偏航信息以及电池组。 主动安全控制系统包括：获取模块，获取轮速信号，电动车辆的方向信息，电动车辆的偏航信息，电池组的状态信息以及多个电机的状态信息; 状态确定模块，确定电动车辆的状态; 以及控制模块，用于产生控制指令并将控制指令下发至至少一个电机，以使得当电动车具有侧滑并且即将进入侧滑限制区间时，至少一个电机能够执行 在至少一个相应的车轮上进行驾驶控制; 并且当电动车辆处于侧滑限制区间时，至少一个电动机能够对至少一个相应的车轮执行制动控制。

    HYBRID POWER DRIVING SYSTEM AND DRIVING METHOD THEREOF
    29.
    发明公开
    HYBRID POWER DRIVING SYSTEM AND DRIVING METHOD THEREOF 有权
    混合动力系统及其驱动方法

    公开(公告)号：EP2210758A1

    公开(公告)日：2010-07-28

    申请号：EP08846206.4

    申请日：2008-10-22

    Applicant: BYD Company Limited

    Inventor： WANG, Chuanfu ,  LUO, Hongbin ,  CHEN, Wei ,  REN, Yi ,  TANG, Xiaohua ,  LAN, Haibin

    IPC: B60K6/20 ,  B60K17/06

    CPC classification number: B60W20/20 ,  B60K5/04 ,  B60K6/20 ,  B60K6/40 ,  B60K6/48 ,  B60K6/547 ,  B60K17/00 ,  B60K2001/001 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W10/11 ,  B60W10/26 ,  B60W20/00 ,  B60W2510/244 ,  Y02T10/6221 ,  Y02T10/6269 ,  Y02T10/6286 ,  Y10T477/23 ,  Y10T477/26

    Abstract: The present invention discloses a hybrid power driving system, comprising: an engine, a clutch, a first shaft, a second shaft disposed parallel to the first shaft, a motor, an energy storage device, and an output gear. The engine may be connected with the first shaft via the clutch. The motor is connected with the second shaft directly or indirectly, and is electrically connected with the energy storage device. The first shaft has a first gear, a second gear and a first synchronizer, in which the first gear and the second gear are mounted on the first shaft via bearings respectively, and the first synchronizer is selectively engaged with the first gear or the second gear. The second shaft may have a third gear, a fourth gear and a second synchronizer, in which the third gear may be mounted on the second shaft via a bearing. The fourth gear may be fixed to the second shaft. And the second synchronizer may be selectively engaged with the third gear or the fourth gear. The first gear may be engaged with the third gear, the second gear may be engaged with the fourth gear. And the third gear may be engaged with an output gear. The present invention also discloses a driving method of a hybrid power driving system. Through the first synchronizer and the second synchronizer selectively engaging with corresponding gears, a plurality of operating modes can be realized. And the structure is simple and compact.

    CONTROL METHOD OF ELECTROMOTOR
    30.
    发明公开
    CONTROL METHOD OF ELECTROMOTOR 有权
    REGELUNGSVERFAHRENFÜREINEN ELEKTROMOTOR

    公开(公告)号：EP2063339A1

    公开(公告)日：2009-05-27

    申请号：EP06817796.3

    申请日：2006-10-31

    Applicant: Byd Company Limited

    Inventor： TANG, Xiaohua ,  ZHOU, Xuguang ,  LUO, Hongbin ,  YU, Ming ,  LIU, Nan ,  GONG, Jian ,  YANG, Guangming

    IPC: G05D13/66 ,  H02P3/18 ,  H02P23/14 ,  H02P27/08

    CPC classification number: H02P29/0016 ,  G01D21/00 ,  G01P3/48 ,  H02P21/22

    Abstract: A control method of the electromotor comprises the following steps: setting an alternating axis target current according to the rotor angular velocity of the motor and setting a direct axis target current according to the torque of the motor; detecting and collecting the three-phase currents of the electromotor, simultaneously detecting the degree of the electromotor rotor position; converting the three-phase currents of the electromotor to an alternating axis actual current and a direct axis actual current by Park conversion and Clark conversion according to the degree of the rotor position; setting the difference between the target current and the actual current as the input of the current loop, outputting the required direct axis current and the required alternating axis current by PI regulation; calculating the three phase voltage according to the required direct axis current and the required alternating axis current output by PI regulation and the degree of the electromotor rotor position; obtaining PWM control waveform through three-phase voltage, the said PWM control waveform controlling the conversion from the direct current to the alternating current, and the converted alternating current driving the electromotor.

    Abstract translation: 电动机的控制方法包括以下步骤：根据电动机的转子角速度设定交变轴目标电流，并根据电动机的转矩设定直轴目标电流; 检测和收集电动机的三相电流，同时检测电动机转子位置的程度; 根据转子位置的程度，通过Park转换和Clark转换将电动机的三相电流转换为交变轴实际电流和直轴实际电流; 将目标电流和实际电流之间的差设置为电流环路的输入，通过PI调节输出所需的直轴电流和所需的交流轴电流; 根据所需的直轴电流和PI调节输出的所需交流轴电流和电机转子位置的程度计算三相电压; 通过三相电压获得PWM控制波形，所述PWM控制波形控制从直流到交流电的转换，以及驱动电动机的转换交流电。

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