High speed solenoid valves in pneumatic servo applications

Pneumatic driving systems are mainly used in industrial applications where the moving parts are usually fixed by the mechanical stops. For flexible and precise positioning tasks of pneumatic drives relatively expensive proportional valves have been implemented. In order to develop cheaper pneumatic servo systems, the employment of low-cost on/off solenoid valves have received considerable attention. But, the traditional technologies used in on/off solenoid valves manifest different problems caused by the electric and thermal effects, inertial forces of their mechanical parts and friction phenomenon. However, it seems that innovative technology used in fast switching solenoid valves gives better possibilities in control of pneumatic systems due to their negligible internal friction and modular architecture. In this paper a control method based on pulse-width-modulation algorithm for position control of a pneumatic actuator with high-speed solenoid valve is considered and experimentally verified.

[1]  James E. Bobrow,et al.  An Analysis of a Pneumatic Servo System and Its Application to a Computer-Controlled Robot , 1988 .

[2]  Danijel Pavković,et al.  Servo Pneumatic Position Control Using Fuzzy PID Gain Scheduling , 2004 .

[3]  Giuliana Mattiazzo,et al.  A method for increasing the dynamic performance of pneumatic servosystems with digital valves , 2004 .

[4]  A. Jutard,et al.  Models of a Pneumatic PWM Solenoid Valve for Engineering Applications , 1992 .

[5]  Željko Šitum,et al.  Control of a Pneumatic Actuator using Proportional Pressure Regulators , 2002 .

[6]  M. Omizo,et al.  Modeling , 1983, Encyclopedic Dictionary of Archaeology.

[7]  Kyoung Kwan Ahn,et al.  Intelligent switching control of pneumatic actuator using on/off solenoid valves , 2005 .

[8]  E. Richard,et al.  Comparison Between Linear and Nonlinear Control of an Electropneumatic Servodrive , 1996 .

[9]  Gary M. Bone,et al.  Accurate position control of a pneumatic actuator using on/off solenoid valves , 1997, Proceedings of International Conference on Robotics and Automation.

[10]  Ming-Chang Shih,et al.  Position control of a pneumatic cylinder using fuzzy PWM control method , 1998 .

[11]  Rajendra Singh,et al.  A Linear Time Varying Model for On-Off Valve Controlled Pneumatic Actuators , 1990 .

[12]  J. Pu,et al.  Digital Motion Control and Profile Planning for Pneumatic Servos , 1992 .

[13]  Rajendra Singh,et al.  Accurate Position Control of a Pneumatic Actuator , 1989, 1989 American Control Conference.

[14]  N. D. Vaughan,et al.  Continuous Sliding Mode Control of a Pneumatic Actuator , 1997 .

[15]  James E. Bobrow,et al.  Modeling, Identification, and Control of a Pneumatically Actuated, Force Controllable Robot , 1996 .

[16]  Thomas J. Royston,et al.  Development of a Pulse-Width Modulated Pneumatic Rotary Valve for Actuator Position Control , 1993 .

[17]  Brian Surgenor,et al.  Pulse-Width Modulation Control of a Pneumatic Positioning System , 2003 .

[18]  Ming-chang Shih,et al.  Fuzzy PWM control of the positions of a pneumatic robot cylinder using high speed solenoid valve , 1997 .