TLA: Tactile-Language-Action Model for Contact-Rich Manipulation

Fuente: arXiv
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Main Authors: Hao, Peng, Zhang, Chaofan, Li, Dingzhe, Cao, Xiaoge, Hao, Xiaoshuai, Cui, Shaowei, Wang, Shuo
Format: Preprint
Published: 2025
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author Hao, Peng
Zhang, Chaofan
Li, Dingzhe
Cao, Xiaoge
Hao, Xiaoshuai
Cui, Shaowei
Wang, Shuo
author_facet Hao, Peng
Zhang, Chaofan
Li, Dingzhe
Cao, Xiaoge
Hao, Xiaoshuai
Cui, Shaowei
Wang, Shuo
contents Significant progress has been made in vision-language models. However, language-conditioned robotic manipulation for contact-rich tasks remains underexplored, particularly in terms of tactile sensing. To address this gap, we introduce the Tactile-Language-Action (TLA) model, which effectively processes sequential tactile feedback via cross-modal language grounding to enable robust policy generation in contact-intensive scenarios. In addition, we construct a comprehensive dataset that contains 24k pairs of tactile action instruction data, customized for fingertip peg-in-hole assembly, providing essential resources for TLA training and evaluation. Our results show that TLA significantly outperforms traditional imitation learning methods (e.g., diffusion policy) in terms of effective action generation and action accuracy, while demonstrating strong generalization capabilities by achieving over 85\% success rate on previously unseen assembly clearances and peg shapes. We publicly release all data and code in the hope of advancing research in language-conditioned tactile manipulation skill learning. Project website: https://sites.google.com/view/tactile-language-action/
format Preprint
id arxiv_https___arxiv_org_abs_2503_08548
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle TLA: Tactile-Language-Action Model for Contact-Rich Manipulation
Hao, Peng
Zhang, Chaofan
Li, Dingzhe
Cao, Xiaoge
Hao, Xiaoshuai
Cui, Shaowei
Wang, Shuo
Robotics
Computer Vision and Pattern Recognition
Significant progress has been made in vision-language models. However, language-conditioned robotic manipulation for contact-rich tasks remains underexplored, particularly in terms of tactile sensing. To address this gap, we introduce the Tactile-Language-Action (TLA) model, which effectively processes sequential tactile feedback via cross-modal language grounding to enable robust policy generation in contact-intensive scenarios. In addition, we construct a comprehensive dataset that contains 24k pairs of tactile action instruction data, customized for fingertip peg-in-hole assembly, providing essential resources for TLA training and evaluation. Our results show that TLA significantly outperforms traditional imitation learning methods (e.g., diffusion policy) in terms of effective action generation and action accuracy, while demonstrating strong generalization capabilities by achieving over 85\% success rate on previously unseen assembly clearances and peg shapes. We publicly release all data and code in the hope of advancing research in language-conditioned tactile manipulation skill learning. Project website: https://sites.google.com/view/tactile-language-action/
title TLA: Tactile-Language-Action Model for Contact-Rich Manipulation
topic Robotics
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2503.08548