Improved nonlinear modeling and control of electrohydraulic systems

Electrohydraulic systems promise unique application opportunities and high performance, unmatched by other drive technologies. Typical applications include robotic manipulators, motion simulators, injection molding, and material testing machines. However, the continuing success of electrohydraulic s...

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Online Access:http://hdl.handle.net/2047/D20234060
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Summary:Electrohydraulic systems promise unique application opportunities and high performance, unmatched by other drive technologies. Typical applications include robotic manipulators, motion simulators, injection molding, and material testing machines. However, the continuing success of electrohydraulic systems over competing drive technologies is contingent upon surpassing traditional performance levels, both in terms of physical measures such as motion precision and in terms of economic measures such as product cost. Improving these measures requires a closer look at the hydraulic system dynamics (models) and an evaluation of advanced control techniques as they apply to hydraulic systems.