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Analysis and Test of Vehicle Yaw Stability Control Based on an Active Pulsed Steering

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    The analysis and test of a rear wheel pulsed active steering control strategy was proposed. First, the effect of installation and operation of hydraulic pulse actuator on the suspension parameters and the improvement of the vehicle's steady and transient state response due to the control of active pulse were investigated. Second, a full vehicle model of a SUV equipped with the steering actuator was built in Carsim and co-simulated with Simulink as the control module.The structure of control strategy considering yaw rate error and side-slip angle error was designed to improve the stability and path. Finally, a whole test bed was designed and assembled for a SUV to carry out road experiments with different maneuvers to validate the results obtained from the simulations and to assess the applicability of the pulsed active steering system. Simulation and test results have indicated that considerable improvement in the yaw stability control can be achieved. Meanwhile, the rear wheel pulse active controller can reduce the lateral acceleration and the roll angle.

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  • Online: October 27,2016
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