Multimodal Fused Learning for Solving the Generalized Traveling Salesman Problem in Robotic Task Planning
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866912974662270976 |
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| author | Cheng, Jiaqi Fan, Mingfeng Zhang, Xuefeng Liang, Jingsong Cao, Yuhong Wu, Guohua Sartoretti, Guillaume Adrien |
| author_facet | Cheng, Jiaqi Fan, Mingfeng Zhang, Xuefeng Liang, Jingsong Cao, Yuhong Wu, Guohua Sartoretti, Guillaume Adrien |
| contents | Effective and efficient task planning is essential for mobile robots, especially in applications like warehouse retrieval and environmental monitoring. These tasks often involve selecting one location from each of several target clusters, forming a Generalized Traveling Salesman Problem (GTSP) that remains challenging to solve both accurately and efficiently. To address this, we propose a Multimodal Fused Learning (MMFL) framework that leverages both graph and image-based representations to capture complementary aspects of the problem, and learns a policy capable of generating high-quality task planning schemes in real time. Specifically, we first introduce a coordinate-based image builder that transforms GTSP instances into spatially informative representations. We then design an adaptive resolution scaling strategy to enhance adaptability across different problem scales, and develop a multimodal fusion module with dedicated bottlenecks that enables effective integration of geometric and spatial features. Extensive experiments show that our MMFL approach significantly outperforms state-of-the-art methods across various GTSP instances while maintaining the computational efficiency required for real-time robotic applications. Physical robot tests further validate its practical effectiveness in real-world scenarios. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_16931 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Multimodal Fused Learning for Solving the Generalized Traveling Salesman Problem in Robotic Task Planning Cheng, Jiaqi Fan, Mingfeng Zhang, Xuefeng Liang, Jingsong Cao, Yuhong Wu, Guohua Sartoretti, Guillaume Adrien Artificial Intelligence Robotics Effective and efficient task planning is essential for mobile robots, especially in applications like warehouse retrieval and environmental monitoring. These tasks often involve selecting one location from each of several target clusters, forming a Generalized Traveling Salesman Problem (GTSP) that remains challenging to solve both accurately and efficiently. To address this, we propose a Multimodal Fused Learning (MMFL) framework that leverages both graph and image-based representations to capture complementary aspects of the problem, and learns a policy capable of generating high-quality task planning schemes in real time. Specifically, we first introduce a coordinate-based image builder that transforms GTSP instances into spatially informative representations. We then design an adaptive resolution scaling strategy to enhance adaptability across different problem scales, and develop a multimodal fusion module with dedicated bottlenecks that enables effective integration of geometric and spatial features. Extensive experiments show that our MMFL approach significantly outperforms state-of-the-art methods across various GTSP instances while maintaining the computational efficiency required for real-time robotic applications. Physical robot tests further validate its practical effectiveness in real-world scenarios. |
| title | Multimodal Fused Learning for Solving the Generalized Traveling Salesman Problem in Robotic Task Planning |
| topic | Artificial Intelligence Robotics |
| url | https://arxiv.org/abs/2506.16931 |