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    • 4. 发明授权
    • Steering system for rear wheels of vehicle
    • 车辆后轮转向系统
    • US08364350B2
    • 2013-01-29
    • US12918515
    • 2009-02-10
    • Takashi YanagiYutaka HoriuchiHiroaki Sasaki
    • Takashi YanagiYutaka HoriuchiHiroaki Sasaki
    • A01B19/00
    • B62D7/159B60G7/006B60G2200/44B62D7/146
    • A steering system for rear wheels of a vehicle without a dead zone in the vicinity of the steering wheel zero. The steering system includes a steering controller and control units that control the rear wheels to be steered in accordance with the steering angle of the steering wheel. The steering system performs a reduction control to provide a smaller steering control amount for the rear wheels in a range where a steering angle becomes smaller than a predetermined value, compared to a steering control amount for the rear wheels in the other ranges of the steering angle. When an angle speed of the steering angle becomes greater than a predetermined value, the steering system performs no reduction control or the reduction control with less reduced steering control amount for the rear wheels even in the range where the steering angle becomes smaller than the predetermined value.
    • 用于在方向盘附近没有死区的车辆的后轮的转向系统零。 转向系统包括转向控制器和控制单元,该控制单元根据方向盘的转向角来控制后轮的转向。 与转向角的其他范围内的后轮的转向控制量相比,转向系统执行减速控制,以在转向角变得小于预定值的范围内为后轮提供较小的转向控制量 。 当转向角的角速度大于预定值时,即使在转向角小于预定值的范围内,转向系统也不执行减速控制或后轮转向控制量少的减速控制 。
    • 5. 发明授权
    • Steering system
    • 转向系统
    • US08051942B2
    • 2011-11-08
    • US12326365
    • 2008-12-02
    • Hiroaki SasakiYutaka HoriuchiTakashi Yanagi
    • Hiroaki SasakiYutaka HoriuchiTakashi Yanagi
    • B62D5/06
    • B62D7/146B62D17/00
    • The present invention improves response characteristics in turning traveling of a vehicle while traveling stability at the time of turning is kept. The present invention provides a system in which toe angles of left and right rear wheels are controlled based on a steering angular velocity, not a steering angle of a steering. In a steering system in which toe angles of left and right rear wheels are controlled independently, a steering angular velocity is calculated from a steering angle, and toe angle changers are controlled to tilt the toe angle of the right rear wheel to the left when the steering angular velocity is on the left side, and is controlled to tilt the toe angle of the left rear wheel to the left when the steering angular velocity is on the right side.
    • 本发明在保持车辆转弯时的行驶稳定性的同时提高了车辆行驶中的响应特性。 本发明提供了一种系统,其中基于转向角速度而不是转向的转向角来控制左后轮和后轮的趾角。 在独立地控制左右后轮的趾角的转向系统中,从转向角计算转向角速度,并且控制脚趾角变换器,以使右后轮的脚趾角度向左倾斜, 转向角速度在左侧,并且当转向角速度在右侧时被控制以使左后轮的脚趾角度向左倾斜。
    • 6. 发明申请
    • Rear wheel steering angle controlling device for vehicles
    • 车辆后轮转向角控制装置
    • US20100023217A1
    • 2010-01-28
    • US12311295
    • 2007-10-19
    • Yutaka HoriuchiTakashi YanagiHiroaki Sasaki
    • Yutaka HoriuchiTakashi YanagiHiroaki Sasaki
    • B62D6/00G06F19/00
    • B62D7/159
    • The present invention provides a rear wheel steering angle controlling device for vehicles comprising: a rear wheel steering mechanism (5R, 5L) for changing a rear wheel steering angle; a front wheel steering angle detector (9) for detecting a front wheel steering angle (δf); a vehicle velocity detector (10R, 10L) for detecting a vehicle velocity (V); a feedforward rear wheel steering angle control target value setting unit (21) for setting a feedforward control target value (δrFF) of said rear wheel steering angle according to said front wheel steering angle, said vehicle velocity, a steering yaw rate transfer function property (Gγ0) of the vehicle without a rear wheel steering angle control, and a prescribed reference steering yaw rate transfer function property (Gideal); and a controlling device (11) for controlling said rear wheel steering mechanism according to said feedforward rear wheel steering angle control target value; wherein a steady-state property of said reference steering yaw rate transfer function property is configured to be identical to said steering yaw rate transfer function property without said rear wheel steering angle control.
    • 本发明提供一种用于车辆的后轮转向角控制装置,包括:用于改变后轮转向角的后轮转向机构(5R,5L); 用于检测前轮转向角(deltaf)的前轮转向角检测器(9); 用于检测车速(V)的车速检测器(10R,10L); 前轮后轮转向角控制目标值设定单元,用于根据所述前轮转向角,所述车速,转向偏航率传递函数特性(所述前轮转向角设定单元)设定所述后轮转向角的前馈控制目标值(deltarFF) Ggamma0),没有后轮转向角控制,规定的参考转向偏航率传递函数属性(Gideal); 以及控制装置(11),用于根据所述前馈后轮转向角控制目标值控制所述后轮转向机构; 其中所述参考转向横摆速度传递函数特性的稳态特性被配置为与所述转向横摆角速度传递函数特性相同,而没有所述后轮转向角控制。
    • 7. 发明授权
    • Force-feedback input device
    • 力反馈输入装置
    • US07535457B2
    • 2009-05-19
    • US10983783
    • 2004-11-08
    • Ken MatsumotoYuji ItoNozomi KitagawaTakeshi HaruyamaHiroaki Sasaki
    • Ken MatsumotoYuji ItoNozomi KitagawaTakeshi HaruyamaHiroaki Sasaki
    • G06F3/033
    • G06F3/016G06F2203/014G06F2203/015
    • In a force-feedback input device, when the cursor moves on a line parallel to a line between a center of a first button and a center of a second button, an area is determined between a first position, which corresponds to the center of the first button, and a second position, which corresponds to the center of the second button, such that the area extends a distance W on both sides of a mid-point between the first and second positions. In this area, the first and second external-force generation portions are controlled so that a scalar value |F| of an attractive force exerted on an operating portion is decreased according to the equation |F|=d/W·|F| as the cursor moves closer to the mid-point, where d is a distance between the cursor and the mid-point.
    • 在力反馈输入装置中,当光标在与第一按钮的中心和第二按钮的中心之间的线平行的线上移动时,在与第一按钮的中心对应的第一位置之间确定区域 第一按钮和第二位置,其对应于第二按钮的中心,使得该区域在第一和第二位置之间的中点的两侧延伸一段距离W. 在该区域中,第一和第二外力产生部分被控制成标量值| F | 根据方程| F | = d / W | F |减小施加在操作部分上的吸引力 当光标移动到中点附近时,其中d是光标和中点之间的距离。
    • 8. 发明申请
    • CAPACITIVE DETECTOR
    • 电容式检测器
    • US20090095080A1
    • 2009-04-16
    • US12207513
    • 2008-09-10
    • Hiroaki SASAKIEiji Shikata
    • Hiroaki SASAKIEiji Shikata
    • G01P15/125
    • G01P15/125G01D5/24G01D5/2417G01P21/00
    • A capacitive detector that accurately detects a physical quantity with a simple circuitry. An acceleration sensor includes a capacitance converter, an amplifier, a detection element unit, and a signal controller. The capacitor converter, which includes an operational amplifier, a switch, and a capacitor, converts a change in differential capacitance, which is obtained by fixed electrodes and a movable electrode, to voltage. The operational amplifier has a non-inversion input terminal, which receives a reference voltage. The signal controller supplies voltage that is applied to the fixed electrodes of the detection element unit. The signal controller includes a bias supply unit, which applies a predetermined bias voltage to the fixed electrodes during a test mode.
    • 电容式检测器,通过简单的电路精确检测物理量。 加速度传感器包括电容转换器,放大器,检测元件单元和信号控制器。 包括运算放大器,开关和电容器的电容器转换器将由固定电极和可动电极获得的差分电容的变化转换为电压。 运算放大器具有非反相输入端子,其接收参考电压。 信号控制器提供施加到检测元件单元的固定电极的电压。 信号控制器包括在测试模式期间向固定电极施加预定偏置电压的偏置电源单元。