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1. 发明授权

US06799656B2 Control apparatus for motor-driven power-steering system of motor vehicle 有权
标题翻译：机动车用电动助力转向系统的控制装置
公开(公告)号：US06799656B2
公开(公告)日：2004-10-05
申请号：US10231210
申请日：2002-08-30
申请人： Kazushi Kimura , Kazunori Miura , Shigeki Ohtagaki
发明人： Kazushi Kimura , Kazunori Miura , Shigeki Ohtagaki
IPC分类号： B60D504
CPC分类号： B62D5/049
摘要： A control apparatus for a motor-driven power steering system of a motor vehicle includes a steering angular information detecting means (16) for detecting steering angular information of a steering mechanism (3), a controller (10) for controlling a motor current on the basis of the steering angular information and magnitude and direction of a steering torque, an electric motor (7) operatively coupled to the steering mechanism (3) for generating a steering assist torque (Ta) corresponding to the motor current, the assist torque being applied to a steering wheel, a motor-rotational information detecting means (101) for detecting rotational information of the electric motor (7), and an abnormality decision means (17) designed to make decision that the steering angular information detecting means (16; 15) is abnormal when a difference between the steering angular information and the motor rotational information is not smaller than a reference value preset for comparison of both the information.
摘要翻译：一种用于机动车辆的电动机动力转向系统的控制装置，包括用于检测转向机构（3）的转向角度信息的转向角度信息检测装置（16），用于控制转向机构转向角度信息的基础和转向扭矩的大小和方向，可操作地联接到转向机构（3）的电动机（7），用于产生对应于电动机电流的转向辅助转矩（Ta），所施加的辅助转矩转向方向盘，用于检测电动机（7）的旋转信息的电动机转动信息检测装置（101），以及异常判定装置（17），其被设计为判定转向角信息检测装置（16; 15 ）当转向角信息和电动机旋转信息之间的差异不小于预设用于比较信息的参考值时的异常。

2. 发明授权

US06776252B1 Steer-by-wire system and method for actuating road wheels of a vehicle 有权
标题翻译：用于致动车辆的车轮的线控转向系统和方法
公开(公告)号：US06776252B1
公开(公告)日：2004-08-17
申请号：US10350576
申请日：2003-01-24
申请人： Brian J. Andonian , Bing Zheng
发明人： Brian J. Andonian , Bing Zheng
IPC分类号： B60D504
CPC分类号： B62D5/001 , B62D5/003
摘要： The present invention involves a steer-by-wire actuating system and method of actuating road wheels of a vehicle with the steer-by-wire actuating system. The system includes a steering linkage assembly including an input shaft, an output shaft, and a gear unit linking the input shaft and the output shaft for linear movement of the output shaft to rotate the road wheels of the vehicle. The system further comprises a microcontroller for controlling an actuation strategy including normal and fault detection modes. The microcontroller is configured to receive a steering signal indicative of steering input at a steering interface. The system further includes first and second power electronic drivers in electrical communication with the microcontroller for electric power supply. The system further includes a first motor and a second motor for simultaneous operation with the steer-by-wire steering device. The first motor is in electrical communication with the first power electronic driver to receive electric power therefrom and the second motor is in electrical communication with the second power electronic driver to receive electric power therefrom. The first and second motors are connected to the input shaft for movement thereof to rotate the road wheels based on the steering signal. The first and second motors are configured to cooperate simultaneously to rotate the road wheels during the normal mode.
摘要翻译：本发明涉及一种线控转向系统和通过线控转向系统来致动车辆的车轮的方法。该系统包括转向连杆组件，其包括输入轴，输出轴和连接输入轴和输出轴的齿轮单元，用于输出轴的线性运动以使车辆的车轮旋转。该系统还包括用于控制包括正常和故障检测模式的致动策略的微控制器。微控制器被配置为接收指示转向接口处的转向输入的转向信号。该系统还包括与用于电力供应的微控制器电连接的第一和第二电力电子驱动器。该系统还包括第一电动机和第二电动机，用于与转向转向装置同时操作。第一电动机与第一电力电子驱动器电连通以从其接收电力，并且第二电动机与第二电力电子驱动器电连通以从其接收电力。第一和第二电动机连接到输入轴，用于其运动，以基于转向信号来转动车轮。第一和第二电动机构造成在正常模式期间同时协作以旋转车轮。

3. 发明授权

US06364051B1 Electric power steering system 有权
标题翻译：电动助力转向系统
公开(公告)号：US06364051B1
公开(公告)日：2002-04-02
申请号：US09679633
申请日：2000-10-05
申请人： Tomoyasu Kada , Shiro Nakano , Katsutoshi Nishizaki , Takanobu Takamatsu , Masaya Segawa , Ryouhei Hayama
发明人： Tomoyasu Kada , Shiro Nakano , Katsutoshi Nishizaki , Takanobu Takamatsu , Masaya Segawa , Ryouhei Hayama
IPC分类号： B60D504
CPC分类号： B62D5/0463
摘要： An electric power steering system which assists a steering operation by controlling an electric motor on the basis of a target electric current determined in accordance with a steering torque applied to an operation member and applying a driving force to a steering mechanism from the electric motor. The system includes steering torque detecting section; target electric current determining circuit for determining a target electric current in accordance with the steering torque on the basis of an assist characteristic; and motor controlling circuit for controlling the electric motor on the basis of the target electric current. The assist characteristic is offset from an initial characteristic when a motor vehicle incorporating the system is in a predetermined turning state.
摘要翻译：一种电动助力转向系统，其通过基于根据施加到操作构件的转向扭矩确定的目标电流来控制电动机来辅助转向操作，并且从电动机向转向机构施加驱动力。该系统包括转向扭矩检测部分; 目标电流确定电路，用于根据辅助特性根据转向转矩确定目标电流; 以及基于目标电流来控制电动机的电动机控制电路。当包含系统的机动车辆处于预定的转动状态时，辅助特性偏离初始特性。

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