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。

公开(公告)号：EP4087118A1

公开(公告)日：2022-11-09

申请号：EP20908787.3

申请日：2020-12-29

Applicant: BYD Company Limited

Inventor： YU, Yilong ,  XU, Luhui ,  DU, Zhiyong ,  QI, Axi ,  YANG, Guangming

IPC: H02P29/024 ,  H02P29/028

Abstract: The present invention provides a motor control system and a vehicle. The motor control system (1) includes a motor drive module (10), a multi-core processing module (20), and a safety logic module (30). The multi-core processing module (20) includes a main function core (21) and a lockstep monitoring core (22). The main function core (21) is configured to obtain sampling data, and when any one of the sampling data, a running status of the main function core (21), a motor control signal, and a running status of a motor is abnormal, the lockstep monitoring core (22) outputs a safety trigger signal; and the safety logic module (30) is configured to output an instruction for prohibiting execution of the motor control signal to the motor drive module (10) when receiving the safety trigger signal.

公开(公告)号：EP4087077A1

公开(公告)日：2022-11-09

申请号：EP20909205.5

申请日：2020-11-25

Applicant: BYD Company Limited

Inventor： DU, Zhiyong ,  XU, Luhui ,  YU, Yilong ,  QI, Axi ,  YANG, Guangming

IPC: H02H7/08 ,  H02P27/08

Abstract: A motor control system and a motor control device are provided. The system includes a master control module, a drive module, and a monitoring module. The master control module is configured to output a low-voltage drive signal to the drive module, the drive module converts the low-voltage drive signal into a high-voltage drive signal and outputs the high-voltage drive signal to a power unit, and the power unit outputs, according to the high-voltage drive signal, a power supply drive signal provided by a high-voltage battery. The monitoring module is electrically connected with the master control module and the drive module, and is configured to acquire the low-voltage drive signal, and output a fault signal to the master control module when the low-voltage drive signal is abnormal, to control the master control module to stop outputting the low-voltage drive signal. The monitoring module includes at least an auxiliary power supply, and the auxiliary power supply is independent of the master control module and provides a working power supply for the monitoring module.

公开(公告)号：EP3014732B1

公开(公告)日：2018-08-22

申请号：EP14816850.3

申请日：2014-06-30

Applicant: BYD Company Limited

Inventor： ZENG, Liping ,  YANG, Guangming

IPC: B60L15/02 ,  B60L11/18 ,  B60L3/00 ,  H02J7/02 ,  H02J3/32 ,  H02M7/487

CPC classification number: B60L11/185 ,  B60L3/0069 ,  B60L11/1803 ,  B60L11/1812 ,  B60L11/1818 ,  B60L11/1842 ,  B60L11/1844 ,  B60L11/1846 ,  B60L15/025 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/30 ,  B60L2240/486 ,  B60L2240/525 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2250/16 ,  B60L2260/26 ,  B60L2270/20 ,  H02J3/32 ,  H02J7/022 ,  H02M7/487 ,  Y02E60/721 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: A charge control system for an electric vehicle and an electric vehicle are provided. The charge control system includes: a charge-discharge socket (20); a three-level bidirectional DC-AC module (30); a charge-discharge control module (50); a filtering module (70); and a control module (60) connected with a third terminal of the charge-discharge control module (50) and configured to control the charge-discharge control module (50) to turn on, to sample an output voltage of an external grid by using a connection midpoint of filtering capacitors in the filtering module (70) as a reference point, and to control the three-level bidirectional DC-AC module (30) according to the output voltage of the external grid so as to control the external grid to charge the power battery (10), when the external grid is in an angle connection mode and the electric vehicle is a charge-discharge mode.

公开(公告)号：EP3014732A1

公开(公告)日：2016-05-04

申请号：EP14816850.3

申请日：2014-06-30

Applicant: BYD Company Limited

Inventor： ZENG, Liping ,  YANG, Guangming

IPC: H02J7/02 ,  H02J3/32

CPC classification number: B60L11/185 ,  B60L3/0069 ,  B60L11/1803 ,  B60L11/1812 ,  B60L11/1818 ,  B60L11/1842 ,  B60L11/1844 ,  B60L11/1846 ,  B60L15/025 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/30 ,  B60L2240/486 ,  B60L2240/525 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2250/16 ,  B60L2260/26 ,  B60L2270/20 ,  H02J3/32 ,  H02J7/022 ,  H02M7/487 ,  Y02E60/721 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: A charge control system for an electric vehicle and an electric vehicle are provided. The charge control system includes: a charge-discharge socket (20); a three-level bidirectional DC-AC module (30); a charge-discharge control module (50); a filtering module (70); and a control module (60) connected with a third terminal of the charge-discharge control module (50) and configured to control the charge-discharge control module (50) to turn on, to sample an output voltage of an external grid by using a connection midpoint of filtering capacitors in the filtering module (70) as a reference point, and to control the three-level bidirectional DC-AC module (30) according to the output voltage of the external grid so as to control the external grid to charge the power battery (10), when the external grid is in an angle connection mode and a current working mode of the electric vehicle is a charge-discharge mode.

公开(公告)号：EP3014729A1

公开(公告)日：2016-05-04

申请号：EP14816865.1

申请日：2014-06-30

Applicant: BYD Company Limited

Inventor： YANG, Guangming ,  HU, Min

IPC: H02J7/00 ,  H01R31/06 ,  B60L11/18

CPC classification number: B60L11/1818 ,  B60L1/003 ,  B60L1/02 ,  B60L1/14 ,  B60L11/1803 ,  B60L11/1812 ,  B60L11/1814 ,  B60L11/1816 ,  B60L11/1846 ,  B60L11/185 ,  B60L15/007 ,  B60L15/025 ,  B60L2210/40 ,  B60L2220/54 ,  B60L2220/56 ,  B60L2240/34 ,  B60L2250/16 ,  H02J7/0054 ,  H02M1/44 ,  H02M7/537 ,  Y02T10/641 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S30/14

Abstract: A vehicle mutual-charging system and a charging connector are provided. The system includes: a first electric vehicle (1002) and a second electric vehicle (1003), each of the first electric vehicle (1002) and the second electric vehicle (1003) including a power battery (10), a battery manager (103), an energy control device (1005) and a charge-discharge socket (20), in which the energy control device (1005) includes: a three-level bidirectional DC-AC module (30), a charge-discharge control module (50), a control module (60); and a charging connector (1004) connected between the first electric vehicle (1002) and the second electric vehicle (1003) and including a first charging gun adaptor connected with the charge-discharge socket (20) of the first electric vehicle and a second charging gun adaptor connected with the charge-discharge socket (20) of the second electric vehicle at both ends thereof respectively.

Abstract translation: 提供了一种车辆互充系统和充电连接器。 该系统包括：包括动力电池（10）的第一电动车辆（1002）和第二电动车辆（1003），电池管理器（103） ），能量控制装置（1005）和充放电插座（20），其中能量控制装置（1005）包括：三电平双向DC-AC模块（30），充放电控制模块 50），控制模块（60）; 和连接在第一电动车辆（1002）和第二电动车辆（1003）之间并且包括与第一电动车辆的充电 - 放电插座（20）连接的第一充电枪适配器和第二充电器 在两端分别与第二电动车辆的充放电插座（20）连接。

公开(公告)号：EP2128975B1

公开(公告)日：2014-08-27

申请号：EP07846028.4

申请日：2007-12-05

Applicant: Byd Company Limited

Inventor： TANG, Xiaohua ,  YU, Ming ,  ZHOU, Xuguang ,  GONG, Jian ,  LIU, Nan ,  YANG, Guangming ,  XU, Yingwu ,  LUO, Ting ,  LIU, Kai ,  JIANG, Xianhong ,  WU, Qiaoqiao

IPC: H02P6/16 ,  G01D5/244 ,  H02P25/02 ,  H03M1/10 ,  H02P29/02

CPC classification number: H02P29/032 ,  H02P2203/05

公开(公告)号：EP2097290B1

公开(公告)日：2014-02-12

申请号：EP07846146.4

申请日：2007-12-25

Applicant: Byd Company Limited

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

IPC: B60L15/20 ,  B60L3/10 ,  B60L9/18 ,  B60T8/175 ,  B60T8/1763

CPC classification number: B60L15/10 ,  B60L3/106 ,  B60L15/025 ,  B60L2240/12 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2250/26 ,  B60L2270/145 ,  B60T8/1764 ,  B60T2210/124 ,  Y02T10/643 ,  Y02T10/7258

公开(公告)号：EP2139736B1

公开(公告)日：2013-07-03

申请号：EP08734110.3

申请日：2008-04-18

Applicant: Byd Company Limited

Inventor： LIU, Kai ,  GONG, Jian ,  ZHOU, Xuguang ,  ZU, Bo ,  YANG, Guangming ,  QI, Axi ,  TANG, Xiaohua ,  ZHOU, Bo

IPC: B60W30/19 ,  F16H61/04 ,  F16H63/50 ,  B60W10/08 ,  B60W10/11

CPC classification number: B60W10/06 ,  B60W10/11 ,  B60W30/19 ,  B60W2510/1015 ,  B60W2710/0644 ,  B60W2710/0666 ,  F16H59/46 ,  F16H61/0403 ,  F16H63/502 ,  F16H2306/44 ,  F16H2306/46 ,  F16H2306/48 ,  F16H2306/50 ,  Y10T477/677

公开(公告)号：EP4109696A1

公开(公告)日：2022-12-28

申请号：EP21760281.2

申请日：2021-02-25

Applicant: BYD Company Limited

Inventor： XU, Luhui ,  YU, Yilong ,  DU, Zhiyong ,  QI, Axi ,  YANG, Guangming

IPC: H02H7/08 ,  H02P29/00 ,  B60L15/00

Abstract: A motor control system and a vehicle. The motor control system (10) includes: a vehicle control unit (110), configured to obtain vehicle state data and output an instruction for cutting off motor output torque when determining an unexpected power transmission failure according to the vehicle state data; and a motor controller unit (120), connected to the vehicle control unit (110), and configured to stop outputting motor control torque in response to the instruction for cutting off motor output torque.