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robotics

1,114 papers

#robotics Preprint Open access Oct 2026

TriDeliver: Cooperative Air-Ground Instant Delivery with UAVs, Couriers, and Crowdsourced Ground Vehicles

Instant delivery, shipping items before critical deadlines, is essential in daily life. While multiple delivery agents, such as couriers, Unmanned Aerial Vehicles (UAVs), and crowdsourced agents, have been widely employed, each of them faces inherent limitations (e.g., low efficiency/labor shortages, flight control, an...

Junhui Gao, Yan Pan, Qianru Wang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Modeling Robotics Dataset Construction as an Artifact-Based Build Process

Robotic systems generate large volumes of multimodal sensor data, but converting ROS bag recordings into machine learning datasets is often handled by ad hoc sequential scripts, creating engineering overhead and slow iteration cycles. We model dataset construction as an artifact-based build process over a dependency gr...

Leon Pohl, Lukas Beer, George Sebastian et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Rephrase Before You Act: Characterizing and Mitigating Language Sensitivity in Vision-Language-Action Models

Vision-language-action models (VLAs) are strikingly sensitive to instruction phrasing and do not inherit the language robustness of the vision-language models they are built on. A one-word edit can move success by tens of points: $\pi_{0.5}$ turns on a LIBERO stove 100% of the time for "switch on the stove" and 2% for...

Mikey Watts (Independent Researcher), Yuchen Cui (University of California, Los Angeles) · 0 citations
#machine learning Preprint Open access Oct 2026

RobotWorld: Benchmarking Multimodal Agents for Robot Use Across Diverse Tasks and Embodiments

General-purpose agents increasingly write code, use tools, and complete complex digital tasks, raising the question of how far these capabilities carry into the physical world. To investigate this, we introduce RobotWorld, a challenging simulation testbed for robot use: turning instructions and observations into physic...

Zhiqin Yang, Chenxin Li, Xiaomeng Hu et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Rubix: Global Correspondence-Free Point Set Alignment through Assignment Geometry

Procrustes-Wasserstein alignment jointly estimates a matching and rotation without supplied correspondences, but alternating minimization can stop at suboptimal solutions. Rubix solves the equally weighted planar problem globally under squared Euclidean loss. Each matching $\sigma$ of two centered $n$-point sets define...

Subhransu S. Bhattacharjee, Dylan Campbell, Rahul Shome · 0 citations
#machine learning Preprint Open access Oct 2026

Energy-Efficient Gait Adaptation via Hierarchical Reinforcement Learning for Quadrupedal Locomotion Across Diverse Terrains

While energy efficiency is a critical objective for legged-robot locomotion control, achieving low energy consumption while maintaining robust performance across different velocity ranges and terrain conditions remains a key challenge. This is particularly true for end-to-end RL policies, where gait generation, motion...

Ammar Issa, Anubhav Singh, Anton Tsaritsin et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Temporal Visuo-Tactile Learning for Dexterous Grasp Stability

Humans can grasp everyday objects with almost perfect success rates using fingertip tactile feedback, yet much of the robotic grasping literature emphasizes vision-based grasp selection with parallel grippers. In this work, we systematically investigate how high-resolution, dynamic tactile sensing contributes to grasp...

Ken Nakahara, Aleksei Buvailik, Prokhor Kotov et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Many Ways to Succeed: Diversity-Driven RL Fine-Tuning for VLA Generalization

Reinforcement learning (RL) fine-tuning improves vision-language-action (VLA) policies through closed-loop experience, yet generalization beyond the fine-tuning distribution remains limited. Our analysis reveals a selective reshaping of exploration: RL contracts behavior globally, yet diversifies successful trajectorie...

Haoru Li, Jinmei Liu, Zhiyong Wang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

NAViLoss: An Underwater Navigation-Aware Dual-Residual Objective for Physics-Consistent Learning

Autonomous underwater vehicles (AUVs) commonly rely on inertial navigation systems (INS) aided by Doppler velocity logs (DVLs) for reliable underwater navigation. Accurate DVL velocity estimation is therefore essential for successful operation. Recent learning-based methods have demonstrated improved DVL velocity estim...

Arup Kumar Sahoo, Itzik Klein · 0 citations
#machine learning Preprint Open access Oct 2026

TERRA: Learning Transportable Latent Actions through Temporal Effect Representation and Relational Alignment

Latent actions supervise robot policies with action-like codes inferred from visual transitions, and their usefulness hinges on two questions: what a code keeps from a transition, and whether it still means the same thing when reused in a different initial state. The first is a tension in time: an endpoint difference d...

Tianxingjian Ding, Mubarak Shah, Yu Tian · 0 citations
#machine learning Preprint Open access Oct 2026

Immiscible Diffusion Policy: Preserving Multimodal Robot Actions through Label-Free Noise Assignment

When diffusion policies were first introduced, they were expected to recover multi-modal action distributions. However, we find this expectation does not always hold, as diffusion policies often collapse to a single modality even when we guarantee the balance of dataset modalities and exact within-batch symmetry. Our a...

Xiao Zhang, Yuxin Chen, Zhixuan Liang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Learning Unknown Constraints without Unsafe Data via Optimality and Counterfactual Regularization

Learning from demonstrations (LfD) provides a framework for inferring unknown constraints from locally optimal, constraint-satisfying expert behavior. Existing approaches largely fall into two paradigms, constrained inverse optimal control (CIOC) and inverse constrained reinforcement learning (ICRL). CIOC exploits opti...

Zhouyu Zhang, Chih-Yuan Chiu, Glen Chou · 0 citations

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Microsoft Research Blog Sep 23, 2026

Offloaded inference for real-world physical AI robotics

Robots are getting smarter, but how can their hardware match that growth? New Microsoft Research findings show that moving AI inference beyond the robot can improve task success, boost efficiency, and support more advanced physical AI workloads. The post Offloaded inference for real-world physical AI robotics appeared first on Microsoft Research.

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