Nonlinear control for magnetic levitation of automotive engine vales

Position regulation of a magnetic levitation device is achieved through a control Lyapunov function (CLF) feedback design. It is shown experimentally that by selecting the CLF based on the solution to an algebraic Riccati equation it is possible to tune the performance of the controller using intuit...

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Veröffentlicht in:	IEEE transactions on control systems technology 2006-03, Vol.14 (2), p.346-354
Hauptverfasser:	Peterson, K.S., Grizzle, J.W., Stefanopoulou, A.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Actuators Applied sciences Automotive engineering Coils Computer science control theory systems Control Control system synthesis Control systems Control theory Control theory. Systems Design engineering Electrical engineering. Electrical power engineering Electromagnets engines Exact sciences and technology Feedback Internal combustion engines Lyapunov functions Lyapunov method Magnetic flux Magnetic levitation nonlinear systems optimal control Riccati equations Transient performance Valves Various equipment and components
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Beschreibung
Zusammenfassung:	Position regulation of a magnetic levitation device is achieved through a control Lyapunov function (CLF) feedback design. It is shown experimentally that by selecting the CLF based on the solution to an algebraic Riccati equation it is possible to tune the performance of the controller using intuition from classical LQR control. The CLF is used with Sontag's universal stabilizing feedback to provide enhanced transient performance farther away from the origin than was achieved with the LQR controller.
ISSN:	1063-6536 1558-0865
DOI:	10.1109/TCST.2005.863669