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Fractional Proportional Integral Control for Pneumatic Position Servo Systems

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4 Author(s)
Cao Junyi ; Sch. of Mech. Eng., Xian Jiaotong Univ., Xian ; Cao Binggang ; Zhang Xining ; Wen Guangrui

A novel fractional PIalpha control strategy for pneumatic position servo system is presented in order to solve its strong non-linearity and low natural frequency problem. To demonstrate their better control characteristics, the fractional order control experiments under various conditions, which include step position signal, sine position signal with different frequency and amplitude, variety load etc, are carried out along with a detailed comparative analysis with traditional control. The results show the effectiveness of the proposed scheme and verify their fine control performance for pneumatic position servo system with the nonlinearity and parameter uncertainty.

Published in:

Mechtronic and Embedded Systems and Applications, 2008. MESA 2008. IEEE/ASME International Conference on

Date of Conference:

12-15 Oct. 2008