TMR-VLA:Vision-Language-Action Model for Magnetic Motion Control of Tri-leg Silicone-based Soft Robot

Fuente: arXiv
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Autori principali: Tang, Ruijie, Ng, Chi Kit, Wu, Kaixuan, Bai, Long, Wang, Guankun, Huang, Yiming, Wang, Yupeng, Ren, Hongliang
Natura: Preprint
Pubblicazione: 2026
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author Tang, Ruijie
Ng, Chi Kit
Wu, Kaixuan
Bai, Long
Wang, Guankun
Huang, Yiming
Wang, Yupeng
Ren, Hongliang
author_facet Tang, Ruijie
Ng, Chi Kit
Wu, Kaixuan
Bai, Long
Wang, Guankun
Huang, Yiming
Wang, Yupeng
Ren, Hongliang
contents In-vivo environments, magnetically actuated soft robots offer advantages such as wireless operation and precise control, showing promising potential for painless detection and therapeutic procedures. We developed a trileg magnetically driven soft robot (TMR) whose multi-legged design enables more flexible gaits and diverse motion patterns. For the silicone made of reconfigurable soft robots, its navigation ability can be separated into sequential motions, namely squatting, rotation, lifting a leg, walking and so on. Its motion and behavior depend on its bending shapes. To bridge motion type description and specific low-level voltage control, we introduced TMR-VLA, an end-to-end multi-modal system for a trileg magnetic soft robot capable of performing hybrid motion types, which is promising for developing a navigation ability by adapting its shape to language-constrained motion types. The TMR-VLA deploys embodied endoluminal localization ability from EndoVLA, and fuses sequential frames and natural language commands as input. Low-level voltage output is generated based on the current observation state and specific motion type description. The result shows the TMR-VLA can predict how the voltage applied to TMR will change the dynamics of a silicon-made soft robot. The TMR-VLA reached a 74% average success rate.
format Preprint
id arxiv_https___arxiv_org_abs_2603_00420
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle TMR-VLA:Vision-Language-Action Model for Magnetic Motion Control of Tri-leg Silicone-based Soft Robot
Tang, Ruijie
Ng, Chi Kit
Wu, Kaixuan
Bai, Long
Wang, Guankun
Huang, Yiming
Wang, Yupeng
Ren, Hongliang
Robotics
Artificial Intelligence
Systems and Control
In-vivo environments, magnetically actuated soft robots offer advantages such as wireless operation and precise control, showing promising potential for painless detection and therapeutic procedures. We developed a trileg magnetically driven soft robot (TMR) whose multi-legged design enables more flexible gaits and diverse motion patterns. For the silicone made of reconfigurable soft robots, its navigation ability can be separated into sequential motions, namely squatting, rotation, lifting a leg, walking and so on. Its motion and behavior depend on its bending shapes. To bridge motion type description and specific low-level voltage control, we introduced TMR-VLA, an end-to-end multi-modal system for a trileg magnetic soft robot capable of performing hybrid motion types, which is promising for developing a navigation ability by adapting its shape to language-constrained motion types. The TMR-VLA deploys embodied endoluminal localization ability from EndoVLA, and fuses sequential frames and natural language commands as input. Low-level voltage output is generated based on the current observation state and specific motion type description. The result shows the TMR-VLA can predict how the voltage applied to TMR will change the dynamics of a silicon-made soft robot. The TMR-VLA reached a 74% average success rate.
title TMR-VLA:Vision-Language-Action Model for Magnetic Motion Control of Tri-leg Silicone-based Soft Robot
topic Robotics
Artificial Intelligence
Systems and Control
url https://arxiv.org/abs/2603.00420