Coloring Between the Lines: Personalization in the Null Space of Planning Constraints
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866912385906769920 |
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| author | Silver, Tom Jenamani, Rajat Kumar Liu, Ziang Dodson, Ben Bhattacharjee, Tapomayukh |
| author_facet | Silver, Tom Jenamani, Rajat Kumar Liu, Ziang Dodson, Ben Bhattacharjee, Tapomayukh |
| contents | Generalist robots must personalize in-the-wild to meet the diverse needs and preferences of long-term users. How can we enable flexible personalization without sacrificing safety or competency? This paper proposes Coloring Between the Lines (CBTL), a method for personalization that exploits the null space of constraint satisfaction problems (CSPs) used in robot planning. CBTL begins with a CSP generator that ensures safe and competent behavior, then incrementally personalizes behavior by learning parameterized constraints from online interaction. By quantifying uncertainty and leveraging the compositionality of planning constraints, CBTL achieves sample-efficient adaptation without environment resets. We evaluate CBTL in (1) three diverse simulation environments; (2) a web-based user study; and (3) a real-robot assisted feeding system, finding that CBTL consistently achieves more effective personalization with fewer interactions than baselines. Our results demonstrate that CBTL provides a unified and practical approach for continual, flexible, active, and safe robot personalization. Website: https://emprise.cs.cornell.edu/cbtl/ |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_15503 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Coloring Between the Lines: Personalization in the Null Space of Planning Constraints Silver, Tom Jenamani, Rajat Kumar Liu, Ziang Dodson, Ben Bhattacharjee, Tapomayukh Robotics Machine Learning Generalist robots must personalize in-the-wild to meet the diverse needs and preferences of long-term users. How can we enable flexible personalization without sacrificing safety or competency? This paper proposes Coloring Between the Lines (CBTL), a method for personalization that exploits the null space of constraint satisfaction problems (CSPs) used in robot planning. CBTL begins with a CSP generator that ensures safe and competent behavior, then incrementally personalizes behavior by learning parameterized constraints from online interaction. By quantifying uncertainty and leveraging the compositionality of planning constraints, CBTL achieves sample-efficient adaptation without environment resets. We evaluate CBTL in (1) three diverse simulation environments; (2) a web-based user study; and (3) a real-robot assisted feeding system, finding that CBTL consistently achieves more effective personalization with fewer interactions than baselines. Our results demonstrate that CBTL provides a unified and practical approach for continual, flexible, active, and safe robot personalization. Website: https://emprise.cs.cornell.edu/cbtl/ |
| title | Coloring Between the Lines: Personalization in the Null Space of Planning Constraints |
| topic | Robotics Machine Learning |
| url | https://arxiv.org/abs/2505.15503 |