Stochastic Optimal Control of Highway Tractors with Active Suspensions

Stochastic optimal control and estimation theories are used to design an active suspension system for a cab ride in a tractor-semitrailer vehicle. A discrete-continuous vehicle model with eleven degrees of freedom is augmented by a stochastic road excitation model and a human perception of vibration...

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Veröffentlicht in:	Vehicle system dynamics 1988-01, Vol.17 (4), p.193-210
1. Verfasser:	ELMADANY, Mohamed M.
Format:	Artikel
Sprache:	eng
Schlagworte:	control theory freight vehicles mathematical models motor vehicle suspension optimal control service vehicles transportation
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description	Stochastic optimal control and estimation theories are used to design an active suspension system for a cab ride in a tractor-semitrailer vehicle. A discrete-continuous vehicle model with eleven degrees of freedom is augmented by a stochastic road excitation model and a human perception of vibration shape filter. Both perfect measurement and estimated state cases are considered. The impact of the measurement noise on the design of the optimal controller is demonstrated. The performance of the optimally controlled system is compared with an optimal passive system. It is shown that significant improvements in ride comfort can be achieved through the use of actively controlled cab suspensions.
doi_str_mv	10.1080/00423118808968902
format	Article
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subjects	control theory freight vehicles mathematical models motor vehicle suspension optimal control service vehicles transportation
title	Stochastic Optimal Control of Highway Tractors with Active Suspensions
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