Title :
Simplified adaptive control of an electrohydraulic servosystem
Author :
Hori, N. ; Ukrainetz, P.R. ; Nikiforuk, P.N. ; Bitner, D.V.
Author_Institution :
Dept. of Mech. Eng., McGill Univ., Montreal, Que., Canada
fDate :
3/1/1990 12:00:00 AM
Abstract :
An improved method of robust adaptive control is developed in the discrete-time form using the Euler operator and is applied to the positioning control of an electrohydraulic servo-system. The number of parameters to be identified is reduced by using the knowledge of plant model structure and carrying out the design procedure for model reference control, treating the plant parameters as unknown coefficients. It was found from the experiments that the proposed method reduces the computation time significantly, compared with the method used in an earlier work, while maintaining the same control performance.
Keywords :
electrohydraulic control equipment; model reference adaptive control systems; position control; servomechanisms; Euler operator; MRACS; computation time; control performance; design procedure; discrete-time; electrohydraulic servo-system; model reference control; plant model structure; plant parameters; positioning control; robust adaptive control;
Journal_Title :
Control Theory and Applications, IEE Proceedings D
