This paper addresses the cab suspension design and its dynamic performance when subjected to random road excitation conditions. The selected vehicle model is planar and includes a cab with two degrees of freedom, pitch and vertical displacement. The vehicle chassis and trailer are allowed to rotate about their respective axes. The cab suspension is modelled by a set of two linear springs and dampers. However, their coefficients are time variant and dependent on the objective functions and the constraints used. Based on the performance indexes used a suspension design strategy is proposed. The analytical investigation shows that the best driving comfort is obtained when both the angular and vertical acceleraton of the cab are to improve ride quality, and the second is to minimise structure stress and minimising the angular acceleration of the cab, its vertical displacement, velocity, acceleration, and its rate of change (jerk) using a constrained optimisation technique.
Truck cab suspension design: optimisation and vibration control
Schwingungsgeregelte Aufhängung einer Nutzfahrzeug-Fahrerkabine
Heavy Vehicle Systems ; 5 , 3/4 ; 236-260
1998
25 Seiten, 18 Bilder, 5 Tabellen, 15 Quellen
Article (Journal)
English
Truck cab suspension design: optimization and vibration control
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