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- W2891643538 abstract "For non-linear suspension, vehicle passes through a continuous speed bump, the chaos that may occur under the combined excitation of the speed bump and the engine. This study takes the five-degree-of-freedom vehicle model as the object of research, through the vehicle body poincare section and the maximum Lyapunov index to identify the chaos produced by the vehicle under joint excitation, and utilises the feedback control of the optimal feedback gain coefficient based on the particle swarm optimisation (PSO) algorithm to suppress vehicle chaos. The results indicate that the vehicle is in a chaotic state in all speed range. Under low and medium speeds, the route to the chaos of the vehicle is the system coupling vibration under multi-frequency excitation, whereas in the high-speed condition, the vehicle approaches the chaos through the bifurcation. The chaos of the vehicle can be effectively suppressed by feedback control with the global optimal feedback gain searched by PSO. This study reveals the chaotic characteristics of non-linear suspension vehicles under combined excitation, which provides a new method for intelligent suppression of chaos." @default.
- W2891643538 created "2018-09-27" @default.
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- W2891643538 date "2018-09-14" @default.
- W2891643538 modified "2023-09-24" @default.
- W2891643538 title "Vehicle chaos identification and intelligent suppression under combined excitation of speed bump and engine" @default.
- W2891643538 cites W1984490667 @default.
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- W2891643538 doi "https://doi.org/10.1049/joe.2018.8296" @default.
- W2891643538 hasPublicationYear "2018" @default.
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