This paper presents a new predictive greedy control law for the control of electropneumatic systems using solenoid valves. The method is based on a predictive model of the mass flow rate of the valves. For this strategy, a control vector, depending on the number of possible configurations for the solenoid valves, is defined. In order to evaluate the new approach, a comparison has been performed with a classical PWM control for a force tracking problem. The experimental results show that not only the accuracy in steady state but also the dynamic behavior of the pressures is better in the case of greedy control than PWM control.

Issue Section:
Technical Briefs
Keywords:
electropneumatic control equipment, greedy algorithms, machine vector control, on-off control, predictive control, servomechanisms, solenoids, valves
Topics:
Servomechanisms, Solenoids, Valves, Pneumatic systems, Flow (Dynamics), Algorithms, Steady state

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Copyright © 2011
 by American Society of Mechanical Engineers
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