公开(公告)号：KR1020090029282A

公开(公告)日：2009-03-20

申请号：KR1020097002055

申请日：2007-07-09

Applicant: 로토크 컨트롤즈 리미티드

Inventor： 샌더스피터조지 ,  다산나야크헤멘드라파라크라마반다라 ,  위더스앤드류마크

IPC: G05B19/39

CPC classification number: G05B19/39 ,  Y10T137/8242

Abstract: A valve actuator having an electric drive motor with a motor shaft and having an output shaft linked to the motor shaft to drive movement of a valve, the actuator further having a control system arranged to provide a first closed loop control of the actuator output shaft and including a controller coupled to a first position sensor to sense the position of the actuator output shaft, and to a second position sensor to sense the position of the motor shaft and to enable determination of the speed of the motor shaft, the control system being configured to respond to sensed signals from the first and second sensors and adjust the motor speed/ position accordingly.

Abstract translation: 一种阀致动器，其具有带电动机轴的电动驱动电动机，并且具有连接到电动机轴的输出轴以驱动阀的运动，致动器还具有控制系统，该控制系统布置成提供致动器输出轴的第一闭环控制， 包括耦合到第一位置传感器以感测致动器输出轴的位置的控制器，以及耦合到第二位置传感器以感测电动机轴的位置并且能够确定电动机轴的速度，所述控制系统被配置 以响应来自第一和第二传感器的感测信号，并相应地调整电动机速度/位置。

公开(公告)号：KR101557084B1

公开(公告)日：2015-10-02

申请号：KR1020097002055

申请日：2007-07-09

Applicant: 로토크 컨트롤즈 리미티드

Inventor： 샌더스피터조지 ,  다산나야크헤멘드라파라크라마반다라 ,  위더스앤드류마크

IPC: G05B19/39

CPC classification number: G05B19/39 ,  Y10T137/8242

Abstract: 모터축을갖는전기구동모터를구비하고, 밸브의이동을구동하도록상기모터축에연결된출력축을갖는밸브액추에이터로서, 상기액추에이터는상기액추에이터출력축의제1 폐루프제어를제공하도록배치되고, 상기액추에이터출력축의위치를감지하는제1 위치센서및 상기모터축의위치를감지하는제2 감지위치센서에결합되어상기모터축 속도의결정을가능케하는제어기를포함하는제어시스템을더 포함하는데, 상기제어시스템은상기제1 및제2 센서들로부터의감지신호들에응답하여그에따라모터속도/위치를조정하는밸브액추에이터가제공된다.