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    • 3. 发明申请
    • ELECTRIC POWER STEERING SYSTEM
    • 电力转向系统
    • US20110010050A1
    • 2011-01-13
    • US12828509
    • 2010-07-01
    • Hiroshi SUZUKINaoki YamanoTerutaka TamaizumiAkira Nambu
    • Hiroshi SUZUKINaoki YamanoTerutaka TamaizumiAkira Nambu
    • G06F19/00B62D5/04
    • B62D5/0463
    • A motor control signal output unit of an electric power steering system includes a feedback gain calculation unit (52), and a feedback control unit executes a feedback control with the use of a proportional gain (Kp) and an integral gain (Ki) that are calculated by the feedback gain calculation unit (52). The feedback gain calculation unit (52) sets the feedback gains to large values (Kp=P0, Ki=I0) when the absolute value of an assist gradient (α) is equal to or smaller than a predetermined value (α0) (|α|≦α0). On the other hand, when the absolute value of the assist gradient (α) exceeds the predetermined value (A) (|α|>α0), the feedback gain calculation unit (52) sets the feedback gains to small values (Kp=p1, Ki=I1:P1
    • 电动助力转向系统的电动机控制信号输出单元包括反馈增益计算单元(52),并且反馈控制单元使用比例增益(Kp)和积分增益(Ki)执行反馈控制 由反馈增益计算单元(52)计算。 当辅助梯度(α)的绝对值等于或小于预定值(α0)(|α)时,反馈增益计算单元将反馈增益设置为大值(Kp = P0,Ki = |≦̸α0)。 另一方面,当辅助梯度(α)的绝对值超过预定值(A)(|α|>α0)时,反馈增益计算单元将反馈增益设置为小值(Kp = p1 ,Ki = I1:P1
    • 4. 发明申请
    • STEERING CONTROL SYSTEM FOR VEHICLE AND STEERING CONTROL METHOD FOR VEHICLE
    • 车辆转向控制系统及车辆转向控制方法
    • US20150298726A1
    • 2015-10-22
    • US14439817
    • 2014-01-21
    • Kenichiro AOKISatoru MIKAMONaoki YAMANO
    • Kenichiro AokiSatoru MikamoNaoki Yamano
    • B62D5/04B62D6/10
    • B62D5/0463B62D5/0472B62D5/0484B62D5/049B62D6/10
    • A steering control system for a vehicle includes an electric motor, a torque sensor, an angular velocity sensor, and a control unit. The electric motor applies assist force to a turning operation of a steering wheel. The torque sensor detects a torque generated in a steering system including the steering wheel and varying with the turning operation. The angular velocity sensor detects an angular velocity generated in the steering system and varying with the turning operation. The control unit computes an assist control amount for the turning operation by using the torque and the angular velocity, and, when an abnormality occurs in a torque detection operation, increases a control amount computed by using the angular velocity among control amounts that constitute the assist control amount as compared to that when torque sensor operation is normal and executes drive control over the electric motor based on the assist control amount.
    • 车辆的转向控制系统包括电动机,转矩传感器,角速度传感器和控制单元。 电动机对方向盘的转动操作施加辅助力。 转矩传感器检测在包括方向盘的转向系统中产生的扭矩并随着转弯操作而变化。 角速度传感器检测在转向系统中产生的角速度,并随转弯操作而变化。 控制单元通过使用转矩和角速度来计算用于转弯操作的辅助控制量,并且当在转矩检测操作中发生异常时,增加通过使用构成辅助的控制量中的角速度计算出的控制量 控制量与转矩传感器运转正常时相比,基于辅助控制量执行对电动机的驱动控制。
    • 6. 发明授权
    • Steering control system for vehicle and steering control method for vehicle
    • 车辆转向控制系统及车辆转向控制方法
    • US09308934B2
    • 2016-04-12
    • US14439817
    • 2014-01-21
    • Kenichiro AokiSatoru MikamoNaoki Yamano
    • Kenichiro AokiSatoru MikamoNaoki Yamano
    • B62D5/04B62D6/10
    • B62D5/0463B62D5/0472B62D5/0484B62D5/049B62D6/10
    • A steering control system for a vehicle includes an electric motor, a torque sensor, an angular velocity sensor, and a control unit. The electric motor applies assist force to a turning operation of a steering wheel. The torque sensor detects a torque generated in a steering system including the steering wheel and varying with the turning operation. The angular velocity sensor detects an angular velocity generated in the steering system and varying with the turning operation. The control unit computes an assist control amount for the turning operation by using the torque and the angular velocity, and, when an abnormality occurs in a torque detection operation, increases a control amount computed by using the angular velocity among control amounts that constitute the assist control amount as compared to that when torque sensor operation is normal and executes drive control over the electric motor based on the assist control amount.
    • 车辆的转向控制系统包括电动机,转矩传感器,角速度传感器和控制单元。 电动机对方向盘的转动操作施加辅助力。 转矩传感器检测在包括方向盘的转向系统中产生的扭矩并随着转弯操作而变化。 角速度传感器检测在转向系统中产生的角速度,并随转弯操作而变化。 控制单元通过使用转矩和角速度来计算用于转弯操作的辅助控制量,并且当在转矩检测操作中发生异常时,增加通过使用构成辅助的控制量中的角速度计算出的控制量 控制量与转矩传感器运转正常时相比,基于辅助控制量执行对电动机的驱动控制。
    • 7. 发明授权
    • Actuator
    • 执行器
    • US07857087B2
    • 2010-12-28
    • US12232908
    • 2008-09-25
    • Hirokazu MatsuuraNaoki YamanoHideo HigashiKazuhito SugimotoHajime KitteIchizo ShigaShigeyuki SuzukiTakeki Hayashi
    • Hirokazu MatsuuraNaoki YamanoHideo HigashiKazuhito SugimotoHajime KitteIchizo ShigaShigeyuki SuzukiTakeki Hayashi
    • B62D25/10F15B15/26
    • B60R21/02B60R21/36B60R21/38B60R2021/0051B60R2021/0273F15B15/19F15B15/22F15B15/261
    • An actuator AE1 includes a lock mechanism R1 configured to fill a gas G generated by operating a gas generator 35 at inside of a cylinder 22 and moving forward a piston 38 along with a support rod 40 for restricting a rearward movement of the support rod moved forward. The support rod 40 is arranged to be able to absorb a kinetic energy of a protection object person and capable of being plastically deformed when the protection object person is received by a receiving member after having been moved forward. A lock mechanism R1 is constituted by a diameter enlarging deformed portion 42 arranged at a piston and a locking stepped portion 24 capable of restricting the rearward movement of the piston. Further, the diameter enlarging deformed portion 42 is locked by the locking stepped portion 24 by being elastically deformed by an elastic force of the diameter enlarging deformed portion 42 per se from a diameter contracting state to a diameter enlarging state when arranged to the locking stepped portion 24 after moving the piston forward.
    • 致动器AE1包括锁定机构R1,该锁定机构R1被构造成填充通过在气缸22内部操作气体发生器35而产生的气体G,并且与支撑杆40一起向前移动活塞38,以限制向前移动的支撑杆的向后运动 。 支撑杆40被布置成能够吸收保护对象人的动能,并且能够在保持对象人被向前移动之后被接收构件接收时能够塑性变形。 锁定机构R1由设置在活塞处的直径扩大变形部42和能够限制活塞向后运动的锁定台阶部24构成。 此外,当直径扩大变形部分42由直径扩大变形部分42的弹性力从直径收缩状态弹性变形到直径扩大状态时,通过锁定台阶部分24锁定直径扩大变形部分42, 24活塞向前移动。