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    • 1. 发明申请
    • Wheel Action Force Detection System and Wheel Action Force Detection Method
    • 车轮动作力检测系统和车轮动作力检测方法
    • US20070029872A1
    • 2007-02-08
    • US11461833
    • 2006-08-02
    • Fumito KurataToshimichi TakahashiMitsuru AsaiHiroaki MakinoNobutsuna Motohashi
    • Fumito KurataToshimichi TakahashiMitsuru AsaiHiroaki MakinoNobutsuna Motohashi
    • F16D66/00
    • B60T8/172B60G2400/64B60G2800/21B60W10/184B60W30/18172B60W2520/28B60W2530/20B60W2720/28B60W2720/30
    • An object is to provide a wheel action force detection system and a wheel action force detection method for finding braking force of a vehicle having a disc brake at the time of braking with high accuracy. A wheel action force detection system 1 comprises deformation amount sensors 2a and 2b detecting elastic deformation amount of a suspension unit 13 which pivotally supports a traveling wheel 11 rotatably; a braking force sensor 3 detecting braking force in the case that a disc brake 14 fixed to the suspension unit 13 brakes the traveling wheel 11; and a control part 4a calculating longitudinal force, axial force and vertical force acting on the suspension unit 13 based on the elastic deformation amount of the suspension unit 13, regarding the result of subtracting longitudinal component of reaction force of braking force of the disc brake 14 from longitudinal force acting on the suspension unit 13 as longitudinal force acting on the traveling wheel 11, and regarding the result of subtracting vertical component of reaction force of braking force of the disc brake 14 from vertical force acting on the suspension unit 13 as vertical force acting on the traveling wheel 11 so as to calculate wheel action force acting on the traveling wheel 11 at the touching part between the traveling wheel 11 and a road surface.
    • 本发明提供一种用于在制动时以高精度找到具有盘式制动器的车辆的制动力的车轮作动力检测系统和车轮作动力检测方法。 车轮动作力检测系统1包括检测可转动地支撑行进轮11的悬架单元13的弹性变形量的变形量传感器2a和2b; 在固定在悬架单元13的盘式制动器14制动行进轮11的情况下,检测制动力的制动力传感器3; 以及控制部分4a,关于减去盘式制动器的制动力的反作用力的纵向分量的结果,计算基于悬架单元13的弹性变形量作用在悬架单元13上的纵向力,轴向力和垂直力 14作为作用在行进轮11上的纵向力的作用在悬架单元13上的纵向力,并且关于从盘式制动器14的制动力的反作用力的垂直分量减去垂直作用在悬架单元13上的垂直力的结果为垂直 作用在行进轮11上的力,以计算在行进轮11与路面之间的接触部分作用在行进轮11上的车轮作用力。
    • 3. 发明申请
    • POSITION CONTROL DEVICE FOR ELECTRIC MOTOR
    • 电动机定位控制装置
    • US20130229137A1
    • 2013-09-05
    • US13885865
    • 2011-11-18
    • Toshimichi TakahashiKuniaki HiraoShizunori HamadaYasuhiro Kanazashi
    • Toshimichi TakahashiKuniaki HiraoShizunori HamadaYasuhiro Kanazashi
    • H02P21/00H02P29/00
    • H02P21/0003H02P23/12H02P23/18
    • Position control device for electric motor inputs deviation signal between angle command and angle detection value to position control section and calculates angular velocity command, inputs deviation signal between this angular velocity command and angular velocity detection value to speed control section and calculates torque current command, and controls, according to this torque current command, the electric motor current control section. The Position control device has disturbance observer section which inputs the torque current command and the angular velocity detection value and estimates signal corresponding to disturbance torque; rate-of-change limitation section which has limiter inputting disturbance observer output value by this disturbance observer section and performing rate-of-change limitation of upper and lower limit values of the angle command; and target value filter section which is configured by control gain equivalent to the speed control section and through which the angular velocity command from the position control section passes.
    • 电机位置控制装置输入角度指令与角度检测值之间的偏差信号到位置控制部分,并计算角速度指令,将该角速度指令与角速度检测值之间的输入偏差信号输入到速度控制部分,并计算转矩电流指令, 根据该扭矩电流指令控制电动机电流控制部。 位置控制装置具有扰动观察器部分,其输入扭矩电流指令和角速度检测值,并且对应于扰动转矩的估计信号; 速率变化限制部分,其具有由该干扰观察器部分输入干扰观测器输出值的限制器,并且执行角度指令的上限和下限值的变化率限制; 目标值滤波器部,其由与速度控制部相当的控制增益构成,来自位置控制部的角速度指令通过该目标值滤波器部。
    • 7. 发明授权
    • Position control device for electric motor
    • 电动机位置控制装置
    • US09143073B2
    • 2015-09-22
    • US13885865
    • 2011-11-18
    • Toshimichi TakahashiKuniaki HiraoShizunori HamadaYasuhiro Kanazashi
    • Toshimichi TakahashiKuniaki HiraoShizunori HamadaYasuhiro Kanazashi
    • H02P6/08H02P21/00H02P23/00H02P23/12H02P29/00
    • H02P21/0003H02P23/12H02P23/18
    • Position control device for electric motor inputs deviation signal between angle command and angle detection value to position control section and calculates angular velocity command, inputs deviation signal between this angular velocity command and angular velocity detection value to speed control section and calculates torque current command, and controls, according to this torque current command, the electric motor current control section. The Position control device has disturbance observer section which inputs the torque current command and the angular velocity detection value and estimates signal corresponding to disturbance torque; rate-of-change limitation section which has limiter inputting disturbance observer output value by this disturbance observer section and performing rate-of-change limitation of upper and lower limit values of the angle command; and target value filter section which is configured by control gain equivalent to the speed control section and through which the angular velocity command from the position control section passes.
    • 电机位置控制装置输入角度指令与角度检测值之间的偏差信号到位置控制部分,并计算角速度指令,将该角速度指令与角速度检测值之间的输入偏差信号输入到速度控制部分,并计算转矩电流指令, 根据该扭矩电流指令控制电动机电流控制部。 位置控制装置具有扰动观察器部分,其输入扭矩电流指令和角速度检测值,并且对应于扰动转矩的估计信号; 速率变化限制部分,其具有由该干扰观察器部分输入干扰观测器输出值的限制器,并且执行角度指令的上限和下限值的变化率限制; 目标值滤波器部,其由与速度控制部相当的控制增益构成,来自位置控制部的角速度指令通过该目标值滤波器部。