Application of Sliding Mode Cascade Controller in AC Servo System

Ying Zhang; Peng Li; Ya Jun Guo

doi:10.4028/www.scientific.net/AMR.748.731

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 748Application of Sliding Mode Cascade Controller in...

Application of Sliding Mode Cascade Controller in AC Servo System

Abstract:

According to the requirement of high precision and high speed in an AC servo system, based on sliding mode control theory, a cascade control is put forward. Sliding mode controller of the speed loop is applied to reduce the system steady state error and increases system response speed, and the sliding mode control of the position loop is applied to improve the system dynamic tracking accuracy and system robustness. According to the simplified mathematical model of the position loop and speed loop, system control law is derived. Experiment results show that the proposed sliding mode cascade controller can guarantee the dynamic performance of the servo system.

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Periodical:

Advanced Materials Research (Volume 748)

Pages:

731-734

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.748.731

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Online since:

August 2013

Authors:

Ying Zhang, Peng Li, Ya Jun Guo

Keywords:

Cascade Control, Numerical Control System, Proportional Integral Control, Servo System, Sliding Mode Control

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References

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