Intelligent PID Control of Pneumatic Rotary ActuatorAngle Servo-System

In order to solve the problems that make the orientation of pneumatic rotary actuator inaccurate, anewly intelligent PID control algorithm is proposed. Pneumatic rotary actuator angle servo-system useselectropneumatic proportional valve as control device, which changes the pressure of cavity and then pushes theactuator to revolve to the expected position. Using intelligent PID control algorithm, several special methods were