Magneto-rheological positioning device for controlling linear velocity and to position piston or piston rod, has control unit connected with position sensor, which controls flow by magneto-rheological valve or electro-rheological valve

摘要

The positioning device contains a fluid-operated actuator (1), which has an actuator cylinder (6), in which a displaceable actuator piston (7) with an actuator piston rod is arranged. A position sensor (4) for detecting the actuator position is provided for controlling the actuator piston and the actuator piston rod. A control unit (5) is connected with the position sensor, which controls the flow by a magneto-rheological valve or electro-rheological valve (3). The actuator piston is stopped or reversed by a predetermined position.