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Adaptive sliding mode control of a flexible cable structure

HUANG Jin;DONG Zheng-liang

(School of Mechano-electronic Engineering, Xidian Univ., Xi′an 710071， China)

Received:1900-01-01 Revised:1900-01-01 Online:2007-02-20 Published:2007-02-25

Abstract

Abstract: According to the strong nonlinearity and big lag of the cable feed system, an adaptive sliding mode controller is proposed. The MIMO control law is derived with the linear model of the system. In addition, the model error and wind force are considered as the external disturbances, which are estimated on line and compensated. A series simulation is done with the parameters of a 5-meter scaled large spherical radio telescope model, and the results show that not only is the position error with the adaptive sliding mode controller reduced to 40% of that with the PID controller, but also the robustness of the system is improved.

Key words: cable system, sliding mode control, adaptive, large spherical radio telescope

CLC Number:

TP273

HUANG Jin;DONG Zheng-liang. Adaptive sliding mode control of a flexible cable structure
[J].J4, 2007, 34(1): 11-156.

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Adaptive sliding mode control of a flexible cable structure

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