Discrete-time H₂-optimal output tracking control for an experimental hydraulic positioning control system
by Yang Lin, Yang Shi, Richard Burton
International Journal of Advanced Mechatronic Systems (IJAMECHS), Vol. 1, No. 3, 2009

Abstract: This paper explores the application of discrete-time H₂-optimal output tracking control for a hydraulic positioning control system (HPCS). By minimising the H₂-norm of the system, the discrete-time H₂-optimal control both stabilises the plant and minimises the root-mean-square of the servo position error simultaneously. To facilitate computation of the H₂-optimal controller, linear matrix inequalities (LMIs) technique is applied. Computer simulations illustrate the design procedure and the effectiveness of the proposed method. Experimental tests on a real hydraulic positioning system for a tracking application are also conducted and the results show that the method is suitable for practical applications.

Online publication date: Fri, 13-Feb-2009

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