A 5-DOF plane vehicle model is studied. A randomly profiled road is assumed to impart normally distributed stationary vertical random displacements to the front and rear wheels. Several vehicle performance criteria based on response mean square spectral densities are discussed. It is emphasized that these performance criteria contain more information than do the simple response standard deviations. A computer program has been developed for optimization of two or more of the system parameters to make a vehicle response (or a weighted sum of responses) a minimum. Constraints on parameters and responses can be introduced. Ride comfort, road holding, energy absorption, fatigue failure and first-passage failure are studied. Numerical examples are given.


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    Title :

    Optimization Criteria for Vehicles Travelling on a Randomly Profiled Road-a Survey


    Contributors:

    Published in:

    Vehicle System Dynamics ; 8 , 4 ; 239-352


    Publication date :

    1979-09-01


    Size :

    114 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




    Comparison of Ride Comfort Criteria for Computer Optimization of Vehicles Travelling on Randomly Profiled Roads

    Dahlberg,T. / Chalmers Univ.of Technol.,Div.of Solid Mech.,Goeteborg,SE | Automotive engineering | 1980



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