Vehicle Stability Evaluation Method Based on Stochastic Time Delay
An evaluation method and stability technology, applied in the field of control, can solve the problem that the comprehensive performance evaluation of vehicle stability cannot be effectively expressed
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[0055] After the vehicle speed and road surface adhesion coefficient are fixed, the phase plane stability boundary of the side slip angle of the center of mass will not change, so the phase plane stability boundary is determined. The stability of the vehicle is analyzed by analyzing the phase plane of the side slip angle of the center of mass. In the stable region of the phase plane, the phase trajectory starting from any initial point will eventually converge to the center zero point, and the phase trajectory curve of the vehicle can eventually pass through its own dynamics. The characteristic converges to a stable focus, defined at which point the vehicle can return to a stable equilibrium state. The trajectory will always change towards the trend of making the absolute value of the center of mass sideslip angle and the center of mass sideslip angular velocity decrease continuously, and the vehicles in the stable region are all in a stable state. However, the phase trajector...
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