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Backstepping adaptive control for a class of hydraulic forging system

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2 Author(s)
Chao Jia ; Department of Engineering & Automation, Tianjin University, China ; Aiguo Wu

A fourth-order system model for a class of hydraulic forging system is constructed. According to the characteristics of nonlinearity and uncertainty, a control method for a high order system which is based on backstepping theory is proposed,and a self-adaption algorithm for relevant parameter is deduced from the Lyapunov Theorem. It solves the problem which a forging system cannot realize a demand control under the parameter uncertainty circumstance such as resistance fluctuation. The simulation result shows that the proposed method can realize the position tracking with high precision and have a better robustness.

Published in:

Advanced Computer Control (ICACC), 2011 3rd International Conference on

Date of Conference:

18-20 Jan. 2011