In real-life vehicle platoon systems,vehicle aerodynamics parameters and unknown disturbance are usually hard to measure or estimate accurately,which may reduce the safety and comfort of the platoon *** this end,an ex...
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In real-life vehicle platoon systems,vehicle aerodynamics parameters and unknown disturbance are usually hard to measure or estimate accurately,which may reduce the safety and comfort of the platoon *** this end,an extended state observer(ESO) based on super twisting algorithm(STA) is proposed to estimate the lumped disturbance accurately in finite *** this basis,a continuous supertwisting controller(STC) is designed to ensure the string stability of the platoon *** with the traditional sliding mode control(SMC) method,the predominant control performance of the STC guarantees faster convergence rate and smaller transient response of the closed-loop interconnected vehicular *** addition,the continuous control signal can alleviate the chattering caused by the discontinuous switching item,which can improve the driving comfort of the vehicle ***,simulations verify the effectiveness of the proposed observer and control method.
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