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1. 发明申请

WO2008071926A1 CONTROLLING MOTORS IN ELECTRIC POWER ASSISTED STEERING SYSTEMS 审中-公开
标题翻译：控制电动机辅助转向系统
公开(公告)号：WO2008071926A1
公开(公告)日：2008-06-19
申请号：PCT/GB2007/004698
申请日：2007-12-07
申请人： TRW LIMITED , WILSON-JONES, Russell , BURTON, Anthony, Walter
发明人： WILSON-JONES, Russell , BURTON, Anthony, Walter
IPC分类号： B62D5/04 , B62D6/04
CPC分类号： B62D5/0463 , B62D6/00 , B62D6/008 , B62D6/04 , B62D15/025
摘要： A method of controlling an electric motor (1) in an electric power assisted steering system, the motor being arranged so as to apply a force to part of a steering mechanism of a vehicle (5), in which the method comprises calculating a force demand indicative of an assistance force dependent upon the torque applied by a user (TD) to the steering mechanism that it is to be applied to the steering mechanism to reduce the exertion required by the user to steer the vehicle; combining the force demand with an overlay force demand (TER) indicative of a force which it is desired to overlay over the assistance force, to generate a combined assistance force (TA); and controlling the motor according to the combined assistance force, such that together with the force applied by the user, a total force is applied to the steering mechanism, in which, in order to generate the combined assistance force the torque applied by the user is subjected to a non-linear boost function and in which the overlay force demand is combined with the force demand such that, for an arbitrary change in the overlay force demand the change in the total force is independent of the torque applied by the user over a range of torques applied by the user.
摘要翻译：一种在电力辅助转向系统中控制电动机（1）的方法，所述电动机被布置成对车辆（5）的转向机构的一部分施加力，其中所述方法包括计算力需求指示辅助力取决于用户（TD）施加到转向机构的扭矩，以将其施加到转向机构以减少用户驾驶车辆所需的运动; 将强制需求与表示希望覆盖在辅助力上的力的重叠力需求（TER）相结合以产生组合辅助力（TA）; 并且根据组合的辅助力来控制电动机，使得与用户施加的力一起，将总的力施加到转向机构，其中为了产生组合的辅助力，由用户施加的扭矩是经受非线性增强功能，并且其中重叠力需求与力需求相结合，使得对于重叠力的任意改变，总的力的变化不依赖于用户在一个由用户施加的扭矩范围。

2. 发明申请

WO1997036777A1 CONTROLLER FOR AN ELECTRIC POWER ASSISTED STEERING SYSTEM AND AN ELECTRIC POWER ASSISTED STEERING SYSTEM 审中-公开
标题翻译：用于电力辅助转向系统和电力辅助转向系统的控制器
公开(公告)号：WO1997036777A1
公开(公告)日：1997-10-09
申请号：PCT/GB1997000873
申请日：1997-03-27
申请人： LUCAS INDUSTRIES PUBLIC LIMITED COMPANY , WILSON-JONES, Russell , HORTON, Steven, John
发明人： LUCAS INDUSTRIES PUBLIC LIMITED COMPANY
IPC分类号： B62D06/00
CPC分类号： B62D5/0463 , B62D5/0484
摘要： A controller for an electric power assisted steering system comprises a drive circuit (2) for controlling current to a motor (1) and a data processor (8) for controlling the motor current and hence assistance torque. A circuit (9) generates a current limit which is a monotonically decreasing function of vehicle speed. A comparator (6) compares motor current with the current limit and switches off the drive circuit (2) if the current limit is exceeded.
摘要翻译：用于电力辅助转向系统的控制器包括用于控制电动机（1）的电流的驱动电路（2）和用于控制电动机电流以及因此辅助转矩的数据处理器（8）。电路（9）产生电流极限，其是车速单调递减的函数。比较器（6）将电机电流与电流限制进行比较，如果超过电流限制，则关闭驱动电路（2）。

3. 发明申请

WO1997032220A1 METHOD OF AND CIRCUIT FOR TESTING AN ELECTRICAL ACTUATOR DRIVE STAGE 审中-公开
标题翻译：用于测试电动执行器驱动级的方法和电路
公开(公告)号：WO1997032220A1
公开(公告)日：1997-09-04
申请号：PCT/GB1997000528
申请日：1997-02-26
申请人： LUCAS INDUSTRIES PUBLIC LIMITED COMPANY , WILSON-JONES, Russell , IRONSIDE, John, Michael
发明人： LUCAS INDUSTRIES PUBLIC LIMITED COMPANY
IPC分类号： G01R31/42
CPC分类号： G01R31/42 , G01R31/007 , G01R31/2829
摘要： A circuit is provided for testing a drive stage (2) of an actuator, such as a motor (1) of an EPAS system. A power supply circuit comprises a contact (16) for supplying normal drive stage current and a resistor (30) for supplying reduced drive stage current before the normal current is supplied. A measuring circuit (3, 25, 26) measures a drive stage electrical parameter such as supply voltage and a comparator (3) compares this with an acceptable value. If the measured parameter corresponds to a current through the drive stage (2) which is different from an expected value, a fault is signalled and the contact (16) is prevented from closing.
摘要翻译：提供一种用于测试诸如EPAS系统的电动机（1）的致动器的驱动级（2）的电路。电源电路包括用于提供正常驱动级电流的触点（16）和用于在提供正常电流之前提供降低的驱动级电流的电阻器（30）。测量电路（3,25,26）测量诸如电源电压的驱动级电参数和比较器（3）将其与可接受的值进行比较。如果测量参数对应于通过驱动级（2）的不同于期望值的电流，则发出故障并且阻止触点（16）闭合。

4. 发明申请

WO1998010971A1 ELECTRICAL POWER-ASSISTED STEERING SYSTEMS 审中-公开
标题翻译：电力辅助转向系统
公开(公告)号：WO1998010971A1
公开(公告)日：1998-03-19
申请号：PCT/GB1997002446
申请日：1997-09-11
申请人： LUCAS INDUSTRIES PUBLIC LIMITED COMPANY , WILSON-JONES, Russell , HORTON, Steven, John , IRONSIDE, John, Michael , WILKES, Mark, Anthony , APPLEYARD, Michael
发明人： LUCAS INDUSTRIES PUBLIC LIMITED COMPANY
IPC分类号： B62D05/04
CPC分类号： H02K7/1166 , B62D5/0406 , B62D5/0484 , H02K5/225 , H02K11/21 , H02K11/215 , H02K11/24 , H02K11/33 , H02K2203/03 , H02K2211/03 , Y02E10/725
摘要： An electrical power-assisted steering system is disclosed comprising a brushless electric motor (1) which has a plurality of phase windings connected at a star point and in which a switching means (13) such as a relay is provided in at least one phase of the motor, the switching means being movable between a closed position in which current is able to flow in the phase winding and an open position which prevents current flowing in the respective phase in the event of a fault. Also disclosed is a substantially rigid connector assembly (19) onto which is mounted the switching means (13), conductors (20) for connecting the motor phase windings and a motor position sensor (21) to an associated motor control means (6), the connector acting as a support for the motor stator, which simplifies the steps involved in assembly. In another aspect of the invention, the electrical power assisted steering system includes a one-piece casing (3) which acts as a housing for the gearset, torque sensor, control means and at least part of the motor.
摘要翻译：公开了一种电力辅助转向系统，其包括无刷电动机（1），该无刷电动机（1）具有以星形点连接的多个相绕组，并且在至少一个相位中设置有诸如继电器的开关装置（13）电动机，开关装置可在电流能够在相绕组中流动的关闭位置和在发生故障的情况下防止在相位相中流动的电流的打开位置之间移动。还公开了一种基本上刚性的连接器组件（19），其上安装有开关装置（13），用于将电动机相绕组和电动机位置传感器（21）连接到相关联的电动机控制装置（6）的导体（20）该连接器用作电动机定子的支撑件，这简化了组装所涉及的步骤。在本发明的另一方面，电动助力转向系统包括一体式壳体（3），其作为用于齿轮组的壳体，扭矩传感器，控制装置和电动机的至少一部分。

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