Fair Play in the Fast Lane: Integrating Sportsmanship into Autonomous Racing Systems

• URL: http://arxiv.org/abs/2503.03774v2
• Date: Wed, 12 Mar 2025 17:02:38 GMT
• Title: Fair Play in the Fast Lane: Integrating Sportsmanship into Autonomous Racing Systems
• Authors: Zhenmin Huang, Ce Hao, Wei Zhan, Jun Ma, Masayoshi Tomizuka,
• Abstract summary: This paper introduces a bi-level game-theoretic framework to integrate sportsmanship (SPS) into versus racing.<n>At the high level, we model racing intentions using a Stackelberg game, where Monte Carlo Tree Search (MCTS) is employed to derive optimal strategies.<n>At the low level, vehicle interactions are formulated as a Generalized Nash Equilibrium Problem (GNEP), ensuring that all agents follow sportsmanship constraints while optimizing their trajectories.
• Score: 44.52724799426566
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Autonomous racing has gained significant attention as a platform for high-speed decision-making and motion control. While existing methods primarily focus on trajectory planning and overtaking strategies, the role of sportsmanship in ensuring fair competition remains largely unexplored. In human racing, rules such as the one-motion rule and the enough-space rule prevent dangerous and unsportsmanlike behavior. However, autonomous racing systems often lack mechanisms to enforce these principles, potentially leading to unsafe maneuvers. This paper introduces a bi-level game-theoretic framework to integrate sportsmanship (SPS) into versus racing. At the high level, we model racing intentions using a Stackelberg game, where Monte Carlo Tree Search (MCTS) is employed to derive optimal strategies. At the low level, vehicle interactions are formulated as a Generalized Nash Equilibrium Problem (GNEP), ensuring that all agents follow sportsmanship constraints while optimizing their trajectories. Simulation results demonstrate the effectiveness of the proposed approach in enforcing sportsmanship rules while maintaining competitive performance. We analyze different scenarios where attackers and defenders adhere to or disregard sportsmanship rules and show how knowledge of these constraints influences strategic decision-making. This work highlights the importance of balancing competition and fairness in autonomous racing and provides a foundation for developing ethical and safe AI-driven racing systems.

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