LPV Control for a Semi-Active Suspension Quarter of Car-One Parameter Case
1 Dirección de Investigación, DIECI, Universidad de Monterrey, 66238 San Pedro Garza Garcia, Nuevo Leon, Mexico
2 Dirección de Investigación, Escuela de Ingeniería, Tecnológico de Monterrey 64810 Monterrey, Nuevo Leon, Mexico
The actual semi-active suspension control systems with a balance between comfort and road holding goals are not optimal because in these solutions one goal or the other always dominates in the suspension performance. This paper is centered in a new proposal to control an automotive semi-active suspension to achieve the comfort and maintain the road holding.The output in the control strategy is the electric current. A nonlinear quarter of vehicle model simulation compares and validates the proposal versus different controllers. The controller is designed with the H∞ criteria and the Linear Varying Parameter (LPV) considering the saturation and sigmoid shape of the F-V characteristic diagram. Unlike the solutions in literature, which use at least two scheduling parameters, the proposed LPV controller scheme for a semi-active suspension uses only one scheduling parameter.
© The Authors, published by EDP Sciences, 2016
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