A study of quadratic cost functions for vehicle headway control |
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| Authors: | Gerard Piel |
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| Institution: | Department of Mechanical Engineering University of Texas, Austin, Texas, USA |
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| Abstract: | This paper shows that minimizing a quadratic cost function is not particularly useful for selecting a small number of controller gains in vehicle headway control. For cases in which a large number of controller gains are to be selected, the quadratic cost function may be useful, but the weighting parameter values cannot usually be chosen a priori if transient performance measures are of a particular interest. Examples illustrate how values of weights in a simplified cost function can be selected to yield acceptable transient performance. This performance is compared with that for a system containing only a few gains and optimized without recourse to a cost function. |
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