Microprocessor-based model reference adaptive control of an electro- hydraulic servomechanism


Edge, K. A. and Figueredo, K. R., 1989. Microprocessor-based model reference adaptive control of an electro- hydraulic servomechanism. In: International Off-Highway and Powerplant Congress and Exposition, 1989-09-10 - 1989-09-13.

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An experimental investigation into model reference adaptive control of an electro-hydraulic servo-mechanism is reported. The servo-system consisted of a zero-lapped servo-valve and asymmetric actuator positioning a load of 890 kg. Parallel model reference adaptive control was employed with the desired level of system performance being specified in terms of a reference model transfer function. The performance of the basic scheme is enhanced by the introduction of a novel integral-action controller and typical performance characteristics with and without the controller are presented. The ability of the adaptive controller to maintain a consistent level of performance when subjected to a pseudo-random control signal is also discussed.


Item Type Conference or Workshop Items (Paper)
CreatorsEdge, K. A.and Figueredo, K. R.
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
University Administration & Central Services > Vice-Chancellor's Office
ID Code3361
Additional InformationSAE Technical Paper 891861


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