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Advancing MAPF towards the Real World: A Scalable Multi-Agent Realistic Testbed (SMART)
Created by
Haebom
Author
Jingtian Yan, Zhifei Li, William Kang, Kevin Zheng, Yulun Zhang, Zhe Chen, Yue Zhang, Daniel Harabor, Stephen F. Smith, Jiaoyang Li
Outline
SMART is a realistic and efficient software tool for evaluating multi-agent pathfinding (MAPF) algorithms. While existing state-of-the-art MAPF algorithms can plan paths for hundreds of robots within seconds, their reliance on simplified robot models leaves their actual performance unclear. SMART uses a physics-based simulator to create a realistic simulation environment that considers complex real-world factors such as robot dynamics and execution uncertainty. It utilizes an Action Dependency Graph-based execution monitor framework to support seamless integration with various MAPF algorithms and robot models, and is scalable to thousands of robots. This addresses the challenges of experimenting with real robots and the needs of industrial experts who lack MAPF expertise. The source code is publicly available.
Takeaways, Limitations
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Takeaways:
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Providing an efficient tool for evaluating MAPF algorithms considering realistic factors.
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Compatibility with various MAPF algorithms and robot models
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Simulation of large-scale robotic systems is possible.
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Increasing the ease of application and testing of MAPF algorithms in industrial settings.
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Enabling research and development through open source code
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Limitations:
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Lack of performance evaluation results to date (there is no specific data or comparative analysis results on SMART's performance in the paper)
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Computational cost and accuracy limitations of physics engine-based simulations (difficulty in perfectly matching the real environment)
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Applicability verification for various environments and robot models is required.