Design method of nonlinear stiffness of a vehicle in real-time optimal control of air suspension
2014
The present invention relates to the design of the vehicle air suspension stiffness nonlinear optimal control in real time, technical field belonging to the air suspension for a vehicle, comprising: suspension according linear stiffness characteristic of the air spring of the vehicle, and the vehicle is currently traveling state of the real-time optimal damping ratio, calculated by the analysis to obtain the relationship between the real-time optimal stiffness of the vehicle air suspension and height, by controlling the height of the air spring, the rigidity of real-time control of the optimum air suspension. With the present invention can be simply and reliably in real time optimal control of nonlinear stiffness vehicle air suspension design, and may reduce design and test costs, improve vehicle ride comfort and riding comfort.
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