Abstract

A vehicle-to-vehicle (V2V) cooperative trajectory-planning algorithm for connected vehicles driven on a winding road considering characteristics of human drivers is presented in this paper. The algorithm of cooperative game is introduced to plan collision-free trajectories for the involved encountering vehicles, with satisfaction of the safety requirements including vehicle stability and road-departure avoidance. The trajectory-planning algorithm is then converted to a Model Predictive Control (MPC) problem and solved with the concept of Pareto Optimality. The algorithm is compared with a V2V trajectory-planning algorithm with non-cooperative game. Simulations are conducted in the scenarios of lane-exchange on arc shaped roads with different radius to verify the proposed algorithm. Results show that the algorithm can accomplish the task of trajectory-planning on either winding road or straight road successfully, considering the driver's characteristics. The difference of collaboration tendency in V2V driving between using cooperative algorithm and non-cooperative algorithm is also studied and described.

Highlights

  • In recent decades, trajectory planning for automatic driving and semi-automatic driving has been studied intensively [1], [2]

  • CONTROLLER DESIGN the linear time varying (LTV) model of the V2V encountering system is represented firstly, and the description of the safety constraints and the cooperative trajectory-planning method based on Model Predictive Control (MPC) are presented

  • The two encountering driver-vehicle systems (DVSs) are assumed to be two vehicles driven by a skillful driver p and a less skillful driver q, respectively

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Summary

INTRODUCTION

Trajectory planning for automatic driving and semi-automatic driving has been studied intensively [1], [2]. In [11]–[14], the human-like controllers were designed employing the driver model with single preview point. The two-point preview driver model can be employed in steering control on winding road [17], [18], such as lane keeping [22], [23], lane tracking [10], etc. K. Zhang et al.: Design of a Cooperative V2V Trajectory-Planning Algorithm for Vehicles Driven on a Winding Road while the surrounding vehicles showing no collaboration. A collaboration trajectory-planning algorithm for the two connected driver-vehicle systems (DVSs) running on a winding road is presented. 2) The V2V trajectory-planning algorithm is effective when the road is winding or straight, with the characteristics of human drivers being taken into consideration. With the driver-vehicle model, both the vehicle dynamics and the driver’s characteristics can be described

VEHICLE MODEL
DRIVER MODEL
DISCRETIZATION AND LINEARIZATION OF THE NONLINEAR DVS MODEL
LTV MODEL OF V2V SYSTEM WITH TWO DVSS
SAFETY CONSTRAINTS IN V2V TRAJECTORY PLANNING
SIMULATION RESULTS
V2V LANE-EXCHANGE ON ARC SHAPED ROADS
CONCLUSION
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