This article studies control systems for an automatic lane change system for autonomous vehicles. In this study, a control law is based on a backstepping techniques (BSP) using barrier Lyapunov function (BLF) to constrain the tracking error to be limited within a predefined range and avoid the chattering phenomenon. The slow and fast dynamics of the system are controlled separately by the proposed control technique following the model reduction approach. A conventional sliding mode controller is used as a standard controller to evaluate the proposed controller. Co-simulation based on CarSim and Matlab/Simulink are used to demonstrate the effectiveness and robustness. Performance index of autonomous vehicles such as IWPEI, ITAE, IAPE, and IASE is expressed to quantitatively evaluate the proposed control system.

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Output Constrained Control Based Barrier Lyapunov Functions for Lateral Dynamics of Autonomous Vehicles

  • Van Trung Nguyen,
  • Ngoc Chau Tran,
  • Tien Dung Nguyen,
  • Nhu Toan Nguyen,
  • Thanh Ha Vo,
  • Tung Lam Nguyen,
  • Duc Thinh Le

摘要

This article studies control systems for an automatic lane change system for autonomous vehicles. In this study, a control law is based on a backstepping techniques (BSP) using barrier Lyapunov function (BLF) to constrain the tracking error to be limited within a predefined range and avoid the chattering phenomenon. The slow and fast dynamics of the system are controlled separately by the proposed control technique following the model reduction approach. A conventional sliding mode controller is used as a standard controller to evaluate the proposed controller. Co-simulation based on CarSim and Matlab/Simulink are used to demonstrate the effectiveness and robustness. Performance index of autonomous vehicles such as IWPEI, ITAE, IAPE, and IASE is expressed to quantitatively evaluate the proposed control system.