Improved Control of a Pneumatic Actuator Pulsed with PWM

It is known that achieving accurate control for pneumatic systems is a challenging problem. This paper studies two effective algorithms for improving the performance of a pneumatic actuator. Without building the plant model, the proportional velocity acceleration (PVA) control with friction compensa...

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Bibliographic Details
Published in2006 2nd IEEE/ASME International Conference on Mechatronics and Embedded Systems and Applications pp. 1 - 4
Main Authors Song, Qiang, Liu, Fang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.08.2006
Subjects
Acceleration
Control systems
Friction
Pneumatic actuators
Pneumatic systems
Proportional control
Pulse width modulation
Space vector pulse width modulation
Steady-state
Velocity control
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ISBN9780780397217
0780397215
DOI10.1109/MESA.2006.297011

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Summary:It is known that achieving accurate control for pneumatic systems is a challenging problem. This paper studies two effective algorithms for improving the performance of a pneumatic actuator. Without building the plant model, the proportional velocity acceleration (PVA) control with friction compensation is implemented to reduce the steady-state error. To overcome the time-delay problem unresolved by PVA, a CARIMA model-referenced adaptive generalized predictive control (AGPC) is applied for the pneumatic actuator, whose parameters are updated by on-line recursive least squares (RLS) method with forgetting factor. The experimental results of AGPC for the position control of the pneumatic actuator are impressive for both the steady-state and dynamic tracking
ISBN:9780780397217
0780397215
DOI:10.1109/MESA.2006.297011