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• W4384080778 endingPage "70777" @default.
• W4384080778 startingPage "70764" @default.
• W4384080778 abstract "Autonomous vehicles are an essential tool for promoting the development of intelligent transportation systems (ITS) and can effectively reduce traffic accidents caused by human errors. As an important part of the automatic driving software system, path planning is responsible for generating the motion trajectory of the vehicle, which is the primary factor determining driving quality. However, solution space construction and optimization problem formulation remain challenging research areas in the field of path planning. In this paper, we propose a multi-objective optimization algorithm for static obstacle avoidance to improve the comfort, safety and anti-deviation of the planned trajectory. We decouple the lateral and longitudinal motion of the vehicle using the Frenet frame and discretize the driving state space to generate target states of the vehicle. Based on the initial and target states, we generate a set of lateral and longitudinal motion trajectories using quintic and quartic polynomials, respectively. In addition, we design a cost function that comprehensively considers the comfort, safety, and deviation distance of the road center line by combining acceleration check, curvature check, and collision check. As part of the cost function, we propose a novel method to quantify the safety of candidate trajectories considering the size of obstacles. The experimental results show that the proposed algorithm can quantize the safety of candidate paths and improve comfort 13.47%, 32.19%, 59.36% and 18.60% on the straight road, curvy road, intersection and U-shaped road, respectively. Furthermore, the algorithm can improve anti-deviation by 63.72%, 13.86%, 44.36%, 45.56% on the straight road, curvy road, intersection and U-shaped road, respectively." @default.
• W4384080778 created "2023-07-13" @default.
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• W4384080778 date "2023-01-01" @default.
• W4384080778 modified "2023-09-26" @default.
• W4384080778 title "Trajectory Planning in Frenet Frame via Multi-Objective Optimization" @default.
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• W4384080778 doi "https://doi.org/10.1109/access.2023.3294713" @default.
• W4384080778 hasPublicationYear "2023" @default.
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