A comprehensive objective function and a constraint condition are established for comfort and safety. Road surface roughness information is obtained using an instrument for measuring road roughness. The input matrix of pavement unevenness is obtained by considering the mutual power spectrum density between front and rear wheels. According to the 5-degree-of-freedom vibration model of an electric mini off-road vehicle, the partial differential matrix equation of system motion is established using the Lagrange method, and the frequency response characteristic of the system is analyzed. ![]() The aim of this study is to explore the influence of road information on ride comfort and enhance the ride comfort of mini vehicles. Mini vehicles with a small wheelbase are extremely sensitive to road roughness.
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