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    • 98. 发明公开
    • Actuator control system
    • Stellorgansteuersystem。
    • EP0535956A1
    • 1993-04-07
    • EP92308970.0
    • 1992-10-01
    • GENERAL ELECTRIC COMPANY
    • Youngborg, Lamont Hallner
    • G21D3/14G21C7/36
    • G21D3/14G21C7/36Y02E30/39
    • A control system (32) for an actuator output rod (48) includes an electrical motor (42) for powering a mechanical interface (52) for positioning the actuator rod (48) in response to rotation of the motor (42). A sensor (60) is operatively joined to the actuator rod (48) to provide a position signal (P a ) indicative of the position thereof. The electrical controller (56) is operatively joined to the motor (42) and the sensor (60) for controlling the rotational speed of the motor (42) to control the actuator rod position in response to a position demand signal (P d ). The controller (56) includes a predetermined actuator rod speed schedule (74) for providing an actuator rod speed signal (S s ) to control the motor speed and in turn the actuator rod position in response to a position error signal (E). The schedule provides a zero value of the speed signal up to a deadband value (E d ) of the error signal, a modulating value (S m ) of the speed signal from the error signal deadband (E d ) up to a modulating value (E m ) of the error signal which is greater than the former, and a transient value (SJ of the speed signal which is greater than the modulating speed (S m ) for values of the error signal (E) greater than the transient value (EJ hereof and greater than the modulating value (E m ) thereof.
    • 用于致动器输出杆(48)的控制系统(32)包括电动机(42),用于为机械接口(52)提供动力,用于响应于电动机(42)的旋转定位致动器杆(48)。 传感器(60)可操作地连接到致动器杆(48)以提供指示其位置的位置信号(Pa)。 电控制器(56)可操作地连接到电动机(42)和用于控制电动机(42)的转速的传感器(60),以响应于位置需求信号(Pd)来控制致动器杆位置。 控制器(56)包括用于响应于位置误差信号(E)提供致动器杆速度信号(Ss)以控制电动机速度,从而执行致动器杆位置的预定致动器杆速度表(74)。 调度提供速度信号的零值,直到误差信号的死区值(Ed),来自误差信号死区(Ed)的速度信号的调制值(Sm)直到调制值(Ed) 误差信号大于前者的误差信号和对于误差信号(E)的值大于其瞬态值(Et)的值的调制速度(Sm)的速度信号的瞬态值(St),以及 大于其调制值(Em)。