Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/7029
Título: Simple Kinematic Design for Evading the Forced Oscillation of a Car-Wheel Suspension System
Autor: Tar, József K.
Rudas, Imre J.
Bitó, János F.
Machado, J. A. Tenreiro
Data: 2004
Relatório da Série N.º: Intelligent systems at the Service of Mankind;Vol. 2
Resumo: An adaptive control damping the forced vibration of a car while passing along a bumpy road is investigated. It is based on a simple kinematic description of the desired behavior of the damped system. A modified PID controller containing an approximation of Caputo’s fractional derivative suppresses the high-frequency components related to the bumps and dips, while the low frequency part of passing hills/valleys are strictly traced. Neither a complete dynamic model of the car nor ’a priori’ information on the surface of the road is needed. The adaptive control realizes this kinematic design in spite of the existence of dynamically coupled, excitable internal degrees of freedom. The method is investigated via Scicos-based simulation in the case of a paradigm. It was found that both adaptivity and fractional order derivatives are essential parts of the control that can keep the vibration of the load at bay without directly controlling its motion.
URI: 978-3866080522
http://hdl.handle.net/10400.22/7029
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