For the automobile collision avoidance system, Carsim and Simulink are used to establish the longitudinal dynamics model of the vehicle, and the active collision avoidance control strategy of the safe time interval algorithm is adopted to define the TTC thresholds and corresponding expected deceleration for different braking levels, which are established in Simulink Controller model based on safe time interval algorithm. In the Carsim and Simulink Co-simulation platform, the active collision avoidance control system is simulated and analyzed for three typical working conditions: the vehicle in front is stationary, the vehicle in front is slow, and the vehicle in front is brake. The simulation results show that the system can control at the specified safe time interval. Under the strategy, the vehicle state is actively controlled to realize the function of active collision avoidance, which has the characteristics of strong real-time, high safety and good execution.
Research on Control Strategy of Vehicle Longitudinal Active Collision Avoidance System
2021-01-15
645894 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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