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VLA-Touch: Enhancing Vision-Language-Action Models with Dual-Level Tactile Feedback

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arxiv 2507.17294 v2 pith:UEJ26R4I submitted 2025-07-23 cs.RO cs.LG

VLA-Touch: Enhancing Vision-Language-Action Models with Dual-Level Tactile Feedback

classification cs.RO cs.LG
keywords tactilefeedbackvla-touchcontact-richdual-levelenhancingmodelsplanning
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Tactile feedback is generally recognized to be crucial for effective interaction with the physical world. However, state-of-the-art Vision-Language-Action (VLA) models lack the ability to interpret and use tactile signals, limiting their effectiveness in contact-rich tasks. Incorporating tactile feedback into these systems is challenging due to the absence of large multi-modal datasets. We present VLA-Touch, an approach that enhances generalist robot policies with tactile sensing \emph{without fine-tuning} the base VLA. Our method introduces two key innovations: (1) a pipeline that leverages a pretrained tactile-language model that provides semantic tactile feedback for high-level task planning, and (2) a diffusion-based controller that refines VLA-generated actions with tactile signals for contact-rich manipulation. Through real-world experiments, we demonstrate that our dual-level integration of tactile feedback improves task planning efficiency while enhancing execution precision. Code is open-sourced at \href{https://github.com/jxbi1010/VLA-Touch}{this URL}.

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Forward citations

Cited by 30 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. MuseVLA: An Adaptive Multimodal Sensing Vision-Language-Action Model for Robotic Manipulation

    cs.RO 2026-06 unverdicted novelty 7.0

    MuseVLA adds on-demand sensor selection via tokens and converts readings into grounded sensor images for multimodal fusion, reporting 80.6% average success on real-robot dexterous tasks that need non-visual sensing.

  2. FTP-1: A Generalist Foundation Tactile Policy Across Tactile Sensors for Contact-Rich Manipulation

    cs.RO 2026-06 unverdicted novelty 7.0

    FTP-1 is the first foundation tactile policy pretrained on ~3000 hours of data from 26 sources across 21 sensors that improves performance on seen setups by 17.2% and transfers to unseen sensors with 31% success rate gain.

  3. AT-VLA: Adaptive Tactile Injection for Enhanced Feedback Reaction in Vision-Language-Action Models

    cs.RO 2026-05 unverdicted novelty 7.0

    AT-VLA proposes adaptive tactile injection and a dual-stream tactile reaction mechanism to enhance VLA models for contact-rich robotic manipulation with real-time responses.

  4. CoRAL: Contact-Rich Adaptive LLM-based Control for Robotic Manipulation

    cs.RO 2026-05 unverdicted novelty 7.0

    CoRAL lets LLMs act as adaptive cost designers for motion planners while using VLM priors and online identification to handle unknown physics, achieving over 50% higher success rates than baselines in unseen contact-r...

  5. Modular Sensory Stream for Integrating Physical Feedback in Vision-Language-Action Models

    cs.RO 2026-04 unverdicted novelty 7.0

    MoSS augments VLAs with decoupled modality streams for multiple physical signals, achieving synergistic gains in real-world robot tasks via joint attention and auxiliary future-signal prediction.

  6. TouchGuide: Inference-Time Steering of Visuomotor Policies via Touch Guidance

    cs.RO 2026-01 unverdicted novelty 7.0

    TouchGuide improves contact-rich robot manipulation by steering diffusion or flow-matching visuomotor policies with tactile feasibility scores from a contrastively trained Contact Physical Model.

  7. Feeling the Unexpected: ResTacVLA for Contact-Rich Manipulation via Residual Tactile Representation

    cs.RO 2026-07 conditional novelty 6.5

    Residual tactile representations plus surprise-aware gating let VLA policies master contact-rich robot tasks that vision-only models fail.

  8. $N_0$-TWAM: Scaling Tactile-Native World-Action Model for Contact-Rich Manipulation

    cs.RO 2026-07 conditional novelty 6.0

    A scaled tactile-native world-action model jointly predicts vision, touch, and action and outperforms vision-only baselines on contact-rich sim and real robot tasks.

  9. Representation-Aligned Tactile Grounding for Contact-Rich Robotic Manipulation

    cs.RO 2026-07 conditional novelty 6.0

    Future tactile prediction applied to intermediate action-expert features, rather than visual-language or final-action features, improves contact-rich manipulation in SmolVLA and π0.

  10. SoftVTBench: A Safety-Aware Visuo-Tactile Benchmark for Physically Constrained Robotic Manipulation of Deformable Objects

    cs.RO 2026-07 conditional novelty 6.0

    Success-only metrics overstate deformable-manipulation performance; tactile sensing raises Safety Success (e.g. 21.4%→35.6% on Object-Soft) while Goal Success stays comparable.

  11. TacGen: Touch Is a Necessary Dimension of Physical-World Representation -- Addressing Tactile Data Scarcity with Scalable Vision-to-Touch Alignment and Generation

    cs.RO 2026-06 unverdicted novelty 6.0

    TacGen shows that adding synthesized tactile latents to visual representations improves predictions of mass, density, hardness and robotic manipulation performance, supporting touch as a necessary channel for contact-...

  12. TacGen: Touch Is a Necessary Dimension of Physical-World Representation -- Addressing Tactile Data Scarcity with Scalable Vision-to-Touch Alignment and Generation

    cs.RO 2026-06 unverdicted novelty 6.0

    TacGen reports that vision-plus-generated-touch representations outperform vision-only models on mass, density, hardness, force, and manipulation tasks, with controls indicating the touch channel accounts for most of ...

  13. TacForeSight: Force-Guided Tactile World Model for Contact-Rich Manipulation

    cs.RO 2026-06 unverdicted novelty 6.0

    TacForeSight trains a force-conditioned tactile world model to predict latent dynamics and uses those predictions as anticipatory priors inside a visuo-tactile policy for real-time contact-rich manipulation.

  14. Dream-Tac: A Unified Tactile World Action Model for Contact-Rich Robot Manipulation

    cs.RO 2026-06 unverdicted novelty 6.0

    Dream-Tac unifies visual and tactile signals in a world action model using contact-gated fusion and attention bias, reporting 31.7% average action accuracy gains on six manipulation tasks.

  15. AT-VLA: Adaptive Tactile Injection for Enhanced Feedback Reaction in Vision-Language-Action Models

    cs.RO 2026-05 unverdicted novelty 6.0

    AT-VLA introduces adaptive tactile injection and a dual-stream tactile reaction mechanism to integrate real-time tactile feedback into pretrained VLA models for contact-rich robotic manipulation.

  16. From Reach to Insert: Tactile-Augmented Precision Assembly under Sub-Millimeter Tolerances

    cs.RO 2026-05 unverdicted novelty 6.0

    A two-stage IL-RL method with tactile group sampling and a tactile critic achieves 67% success at 0.05 mm clearance while cutting max force by 60% and torque by 44%.

  17. E-VLA: Event-Augmented Vision-Language-Action Model for Dark and Blurred Scenes

    cs.CV 2026-04 conditional novelty 6.0

    E-VLA integrates event streams directly into VLA models via lightweight fusion, raising Pick-Place success from 0% to 60-90% at 20 lux and from 0% to 20-25% under severe motion blur.

  18. Adaptive Action Chunking at Inference-time for Vision-Language-Action Models

    cs.RO 2026-04 unverdicted novelty 6.0

    Adaptive Action Chunking uses action entropy to dynamically adjust chunk sizes in VLA models, improving performance on simulated and real robotic manipulation tasks.

  19. Tactile Modality Fusion for Vision-Language-Action Models

    cs.RO 2026-03 conditional novelty 6.0

    A FiLM-based tactile fusion method that conditions VLA visual features on frozen pretrained touch embeddings improves real-robot insertion success, speed, and force control relative to vision-only and concatenation baselines.

  20. Semantic-Contact Fields for Category-Level Generalizable Tactile Tool Manipulation

    cs.RO 2026-02 unverdicted novelty 6.0

    SCFields fuses semantics and contact data in a sim-to-real pipeline to enable category-level generalization for tactile tool manipulation with diffusion policies.

  21. TacWAM: Anchor-Guided World Action Model with Mechanics-Aware Tactile Prediction

    cs.RO 2026-07 conditional novelty 5.0

    Mechanics-aware future tactile prediction plus history and train-time isolation of future tokens raises real-robot contact-rich success from ~37.5% to 75% average.

  22. Seeing Touch from Motion: A Unified Modality-Aware Visuo-Tactile Policy with Tactile Motion Correlation

    cs.RO 2026-06 unverdicted novelty 5.0

    A visuo-tactile policy learning method that exploits tactile motion correlation for contact state distinction and Mixture-of-Transformers for cross-modal fusion.

  23. TacCoRL: Integrating Tactile Feedback into VLA via Simulation

    cs.RO 2026-06 unverdicted novelty 5.0

    TacCoRL integrates tactile feedback into VLA policies via real-aligned simulation co-training and RL, raising average success from 50% to 72.5% on four bimanual contact-rich tasks with direct real-robot transfer.

  24. CoRAL: Contact-Rich Adaptive LLM-based Control for Robotic Manipulation

    cs.RO 2026-05 unverdicted novelty 5.0

    CoRAL lets LLMs design objective functions for robot motion planners and uses vision-language models plus real-time identification to adapt to unknown physical properties, raising success rates by over 50 percent on n...

  25. Learning Versatile Humanoid Manipulation with Touch Dreaming

    cs.RO 2026-04 conditional novelty 5.0

    HTD, a multimodal transformer policy trained with behavioral cloning and touch dreaming to predict future tactile latents, achieves a 90.9% relative success rate improvement over baselines on five real-world contact-r...

  26. E-VLA: Event-Augmented Vision-Language-Action Model for Dark and Blurred Scenes

    cs.CV 2026-04 conditional novelty 5.0

    Degradation-Driven Prompting improves VLM accuracy on deceptive visual tasks by downsampling inputs and routing them through classification, external visual tools, and a critic.

  27. Large VLM-based Vision-Language-Action Models for Robotic Manipulation: A Survey

    cs.RO 2025-08 unverdicted novelty 5.0

    This survey organizes large VLM-based VLA models for robotic manipulation into monolithic and hierarchical paradigms, reviews their integrations and datasets, and outlines future directions.

  28. Tactile-based Multimodal Fusion in Embodied Intelligence: A Survey of Vision, Language, and Contact-Driven Paradigms

    cs.RO 2026-05 unverdicted novelty 4.0

    A survey proposing a hierarchical taxonomy for multimodal tactile fusion datasets and methods across perception, generation, and interaction in embodied intelligence.

  29. RLDX-1 Technical Report

    cs.RO 2026-05 unverdicted novelty 4.0

    RLDX-1 achieves 86.8% success on complex ALLEX humanoid manipulation tasks where prior VLAs reach only around 40%.

  30. RLDX-1 Technical Report

    cs.RO 2026-05 unverdicted novelty 4.0

    RLDX-1 outperforms frontier VLAs such as π0.5 and GR00T N1.6 on dexterous manipulation benchmarks, reaching 86.8% success on ALLEX humanoid tasks versus around 40% for the baselines.