公开(公告)号：US20190322165A1

公开(公告)日：2019-10-24

申请号：US16314008

申请日：2017-05-11

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI ,  Youbin XU

IPC: B60K6/36 ,  B60K17/16

Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a plurality of input shafts, the engine being configured to be selectively engaged with at least one of the plurality of input shafts each provided with a gear driving gear; a plurality of output shafts each provided with a gear driven gear, a plurality of gear driven gears being meshed with a plurality of gear driving gears respectively; a reverse shaft provided with a first gear for the reverse shaft, the first gear for the reverse shaft being meshed with one of the gear driving gears; a reverse output gear linked with the reverse shaft; and a first electric generator, the first electric generator and the plurality of output shafts linked with a differential power input gear of the vehicle respectively.

公开(公告)号：US20180237059A1

公开(公告)日：2018-08-23

申请号：US15753122

申请日：2016-08-17

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Fanliang MENG ,  Ting WEN ,  Yanfei XIONG

IPC: B62D5/04 ,  B62D9/00 ,  B62D15/02 ,  B60T8/1755

CPC classification number: B62D5/0484 ,  B60T8/17552 ,  B62D5/0418 ,  B62D5/0463 ,  B62D5/0481 ,  B62D9/005 ,  B62D11/003 ,  B62D15/025 ,  Y02T10/7258

Abstract: An auxiliary steering system (100) and method for an electric vehicle and the electric vehicle are disclosed. The system includes a detection component (6A) including a first electric motor (4) and a detection controller (6) configured to determine whether a steering assist device (2) is normal, to continue to determine whether the steering assist device (2) is normal if yes, and to control a drive rack (5A) of the first electric motor (4) to drive wheels (17) of the electric vehicle to return and to output a steering failure signal, a steering wheel torque signal and a direction signal if no; an electric motor controller (8); a second electric motor (14); and a vehicle controller (7). The electric motor controller (8) is further configured to control the second electric motor (14) to increase a drive torque for an outer front wheel (17), to brake an inner rear wheel (17), and to stop driving an inner front wheel (17) and an outer rear wheel (17).

公开(公告)号：US20180229610A1

公开(公告)日：2018-08-16

申请号：US15750042

申请日：2016-08-10

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Fanliang MENG ,  Yanfei XIONG ,  Weiqiang CHEN

IPC: B60L3/00 ,  B60T7/04 ,  B60T8/171 ,  B60T8/172 ,  B60T8/72 ,  B60T13/74 ,  B60L7/18 ,  B60L7/26 ,  B60L11/18 ,  B60L15/20

Abstract: A brake system (100) and a brake method for a four-wheel drive electric vehicle and a four-wheel drive electric vehicle, in the system, according to a brake mode of the electric vehicle, a state of charge of a battery pack (4) and a vehicle speed, a first brake control unit controls a motor (6) to brake a wheel (9) through a motor controller (2) and a second brake control unit controls a brake actuator (12) to brake the wheels (9). The first brake control unit further determines whether a brake torque of the brake actuator (12) on the wheels (9) fails. If yes, the first brake control unit controls the motor (6) to brake the corresponding wheel (9) through the motor controller (2).

公开(公告)号：US20180201255A1

公开(公告)日：2018-07-19

申请号：US15743547

申请日：2016-07-08

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Fanliang MENG ,  Mingchuan SHI ,  Weiqiang CHEN

IPC: B60W30/045 ,  B60L15/20 ,  B60K7/00

CPC classification number: B60W30/045 ,  B60K1/00 ,  B60K7/00 ,  B60K7/0007 ,  B60K17/043 ,  B60K17/14 ,  B60K17/34 ,  B60K2007/0092 ,  B60L15/2036 ,  B60L2240/24 ,  B60L2240/423 ,  B60L2250/00 ,  B60L2260/28 ,  B60W2540/18 ,  B60W2710/083 ,  B60W2710/207 ,  B60W2720/14 ,  B60W2720/403 ,  B60W2720/406 ,  B60Y2200/91 ,  B60Y2400/3032 ,  B60Y2400/304 ,  Y02T10/645 ,  Y02T10/72 ,  Y02T10/7275

Abstract: A method and a system for controlling a vehicle (100) with four-wheel drive are provided. The method includes: acquiring a vehicle condition information parameter by a vehicle condition information collector; obtaining a radius of turning circle to be reduced from a driver by a turning circle receiver (40); obtaining a controlling yaw moment corresponding to the radius of turning circle to be reduced according to the vehicle condition information parameter and the radius of turning circle to be reduced by a turning circle controller (11); and distributing the controlling yaw moment to four wheels (90) of the vehicle (100) according to an intensity level of the radius of turning circle to be reduced and the vehicle condition information parameter by the turning circle controller (11), such that the vehicle (100) turns circle.

公开(公告)号：US20170232848A1

公开(公告)日：2017-08-17

申请号：US15518928

申请日：2015-12-16

Applicant: BYD COMPANY LIMITED

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

IPC: B60L3/10 ,  B60L11/18 ,  B60W30/18 ,  B60W10/08 ,  B60W10/184 ,  B60W30/02 ,  B60L3/12 ,  B60K17/356

CPC classification number: B60L3/102 ,  B60K17/356 ,  B60L3/106 ,  B60L3/12 ,  B60L15/36 ,  B60L58/10 ,  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 ,  Y02T10/646 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T10/7258

Abstract: The present disclosure 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, a wheel speed detection module, a steering wheel rotation angle sensor, a yaw rate sensor, and a battery pack. The active safety control system includes: an acquisition module, acquiring the wheel speed signal, the direction information, the yaw information, 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.

公开(公告)号：US20160107632A1

公开(公告)日：2016-04-21

申请号：US14644740

申请日：2015-03-11

Applicant: BYD COMPANY LIMITED

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

IPC: B60W10/10 ,  B60W10/08 ,  B60W10/06

CPC classification number: B60W10/10 ,  B60K6/547 ,  B60K2006/4808 ,  B60W10/06 ,  B60W10/08 ,  B60W10/113 ,  B60W20/20 ,  B60W20/30 ,  B60W20/40 ,  B60W30/19 ,  B60W2050/0011 ,  B60W2510/081 ,  B60W2510/10 ,  B60W2510/1005 ,  B60W2520/10 ,  B60W2520/105 ,  B60W2540/10 ,  B60W2540/16 ,  B60W2710/0644 ,  B60W2710/081 ,  B60W2710/083 ,  B60W2710/10 ,  B60W2710/1005 ,  B60W2720/10 ,  B60W2720/106 ,  Y02T10/626 ,  Y02T10/6286 ,  Y10S903/902

Abstract: The present disclosure discloses a shifting control method for a hybrid vehicle. The shifting control method includes: detecting operating parameters of the hybrid vehicle, where the operating parameters of the hybrid vehicle includes vehicle speed, vehicle acceleration as reflected from an accelerator-pedal signal and a current gear of the hybrid vehicle; determining a work mode of the hybrid vehicle; performing speed adjustment and shifting control to the first motor-generator according to a work mode and the operating parameters of the hybrid vehicle to implement shifting control of the hybrid vehicle, where the work mode includes an electric-vehicle mode and a hybrid-electric-vehicle mode. The method considers performing speed adjustment and shifting control under various working conditions. This improves smoothness and comfort of the vehicle and enlarges the use scope. The present disclosure further discloses a power transmission system of a hybrid vehicle and a hybrid vehicle.

Abstract translation: 本公开公开了一种混合动力车辆的变速控制方法。 变速控制方法包括：检测混合动力车辆的操作参数，其中混合动力车辆的操作参数包括车速，从加速器踏板信号反映的车辆加速度和混合动力车辆的当前档位; 确定混合动力车辆的工作模式; 根据工作模式和混合动力车辆的操作参数对第一电动发电机进行速度调节和变速控制，以实现混合动力车辆的变速控制，其中工作模式包括电动车辆模式和混合动力车辆模式， 车辆模式。 该方法考虑在各种工作条件下执行速度调节和变速控制。 这提高了车辆的平滑度和舒适性，并且扩大了使用范围。 本公开还公开了一种混合动力车辆和混合动力车辆的动力传递系统。

公开(公告)号：US20150211616A1

公开(公告)日：2015-07-30

申请号：US14527496

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

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

IPC: F16H37/08 ,  B60K6/442 ,  B60K7/00 ,  B60K17/356

CPC classification number: F16H37/0806 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/356 ,  Y02T10/6234 ,  Y02T10/6265 ,  Y10S903/917 ,  Y10T74/19014

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes an engine unit configured to generate power, input shafts to receive power from the engine unit, an output shaft configured to transfer the power from the input shafts, linked gears rotatable differentially relative to the output shaft and configured to mesh with driving gears on the input shafts, an output unit fixed on the output shaft and configured to transmit the power to the front wheels of the vehicle, a synchronizer disposed on the output shaft and configured to selectively engage with the linked gears, a first motor configurable to perform either direct or indirect power transmission with at least one of the input shafts and the output shaft, and one or more second motor generators configured to drive the rear wheels of the vehicle.

Abstract translation: 提供了一种用于车辆和包括该动力传动系统的车辆的动力传递系统。 动力传递系统包括被配置为产生动力的发动机单元，用于从发动机单元接收动力的输入轴，被配置为从输入轴传递动力的输出轴，相对于输出轴可分别旋转的连接齿轮， 驱动齿轮在输入轴上，输出单元固定在输出轴上并且被配置为将动力传递到车辆的前轮;同步器，布置在输出轴上并被配置为选择性地与连接的齿轮啮合;第一马达可配置 用至少一个输入轴和输出轴进行直接或间接的动力传递，以及被配置成驱动车辆的后轮的一个或多个第二电动发电机。

公开(公告)号：US20150210153A1

公开(公告)日：2015-07-30

申请号：US14527522

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/547 ,  B60K17/356 ,  B60K7/00 ,  B60K6/442 ,  F16H3/00

CPC classification number: B60K6/547 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/356 ,  F16H3/006 ,  Y02T10/6234 ,  Y02T10/6265 ,  Y10S903/919

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes an engine unit to generate power, input shafts to receive power from the engine unit, an output shaft to transfer the power from the input shafts, linked gears rotatable differentially relative to the output shaft to mesh with driving gears on the input shafts, an output unit coupled on the output shaft to transmit the power to the front wheels of the vehicle, a synchronizer disposed on the output shaft to selectively engage with the linked gears, a first motor generator to perform power transmission with at least one of the input shafts and the output shaft, one or more second motor generators to drive two front wheels of the vehicle, and one or more third motor generators to drive two rear wheels of the vehicle.

Abstract translation: 提供了一种用于车辆和包括该动力传动系统的车辆的动力传递系统。 动力传递系统包括发动机的发动机单元，用于从发动机单元接收动力的输入轴，输出轴，用于从输入轴传递动力，相对于输出轴可转动的连接齿轮可与驱动齿轮啮合 输入轴，输出单元，其联接在输出轴上以将动力传递到车辆的前轮;同步器，布置在输出轴上以选择性地与联接的齿轮接合;第一电动发电机，用于执行至少一个 的输入轴和输出轴，用于驱动车辆的两个前轮的一个或多个第二电动发电机和用于驱动车辆的两个后轮的一个或多个第三电动发电机。