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Engineering Preprint PDF DOI

SpaceDex: Generalizable Dexterous Grasping in Tiered Workspaces

Wensheng Wang, Chuanjun Guo, Wei Wei, Tong Wu, Ning Tan · 2026

Generalizable grasping with high-degree-of-freedom (DoF) dexterous hands remains challenging in tiered workspaces, where occlusion, narrow clearances, and height-dependent constraints are substantiall…

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Engineering Preprint PDF DOI

StableIDM: Stabilizing Inverse Dynamics Model against Manipulator Truncation via Spatio-Temporal Refinement

Kerui Li, Zhe Jing, Xiaofeng Wang, Zheng Zhu, Yukun Zhou, Guan Huang, Dongze Li, Qingkai Yang, Huaibo Huang · 2026

Inverse Dynamics Models (IDMs) map visual observations to low-level action commands, serving as central components for data labeling and policy execution in embodied AI. However, their performance deg…

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Engineering Preprint PDF DOI

ST-$\pi$: Structured SpatioTemporal VLA for Robotic Manipulation

Chuanhao Ma, Hanyu Zhou, Shihan Peng, Yan Li, Tao Gu, Luxin Yan · 2026

Vision-language-action (VLA) models have achieved great success on general robotic tasks, but still face challenges in fine-grained spatiotemporal manipulation. Typically, existing methods mainly embe…

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Engineering Preprint PDF DOI

OFlow: Injecting Object-Aware Temporal Flow Matching for Robust Robotic Manipulation

Kuanning Wang, Ke Fan, Chenhao Qiu, Zeyu Shangguan, Yuqian Fu, Yanwei Fu, Daniel Seita, Xiangyang Xue · 2026

Robust robotic manipulation requires not only predicting how the scene evolves over time, but also recognizing task-relevant objects in complex scenes. However, existing VLA models face two limitation…

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Engineering Preprint PDF DOI

Periodic Steady-State Control of a Handkerchief-Spinning Task Using a Parallel Anti-Parallelogram Tendon-driven Wrist

Lei Liu, Haonan Zhang, Huahang Xu, Zefan Zhang, Lulu Chang, Lei Lv, Andrew Ross McIntosh, Kai Sun, Zhenshan Bing, Jiahong Dong, Fuchun Sun · 2026

Spinning flexible objects, exemplified by traditional Chinese handkerchief performances, demands periodic steady-state motions under nonlinear dynamics with frictional contacts and boundary constraint…

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Engineering Preprint PDF DOI

DART: Learning-Enhanced Model Predictive Control for Dual-Arm Non-Prehensile Manipulation

Autrio Das, Shreya Bollimuntha, Madala Venkata Renu Jeevesh, Keshab Patra, Tashmoy Ghosh, Nagamanikandan Govindan, Arun Kumar Singh, K Madhava Krishna · 2026

What appears effortless to a human waiter remains a major challenge for robots. Manipulating objects nonprehensilely on a tray is inherently difficult, and the complexity is amplified in dual-arm sett…

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Engineering Preprint PDF DOI

SYMBOLIZER: Symbolic Model-free Task Planning with VLMs

Sami Azirar, Zlatan Ajanovic, Hermann Blum · 2026

Traditional Task and Motion Planning (TAMP) systems depend on physics models for motion planning and discrete symbolic models for task planning. Although physics model are often available, symbolic mo…

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Engineering Preprint PDF DOI

Kill-Probability-Maximization Guidance: Breaking from the Miss-Distance-Minimization Paradigm

Liraz Mudrik, Yaakov Oshman · 2026

Classical guidance laws aim at minimizing the miss distance, thus implicitly determining the minimum warhead lethality radius required against nominal targets. However, nonnominal targets or scenarios…

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Engineering Preprint PDF DOI

Memory Centric Power Allocation for Multi-Agent Embodied Question Answering

Chengyang Li, Shuai Wang, Kejiang Ye, Weijie Yuan, Boyu Zhou, Yik-Chung Wu, Chengzhong Xu, Huseyin Arslan · 2026

This paper considers multi-agent embodied question answering (MA-EQA), which aims to query robot teams on what they have seen over a long horizon. In contrast to existing edge resource management meth…

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Engineering Preprint PDF DOI

Optimally Bridging Semantics and Data: Generative Semantic Communication via Schr\"odinger Bridge

Dahua Gao, Ruichao Liu, Minxi Yang, Shuai Ma, Youlong Wu, Guangming Shi · 2026

Generative Semantic Communication (GSC) is a promising solution for image transmission over narrow-band and high-noise channels. However, existing GSC methods rely on long, indirect transport trajecto…

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Engineering Preprint PDF DOI

ReFineVLA: Multimodal Reasoning-Aware Generalist Robotic Policies via Teacher-Guided Fine-Tuning

Tuan Van Vo, Tan Q. Nguyen, Khang Nguyen, Nhat Xuan Tran, Duy H. M. Nguyen, An T. Le, Ngo Anh Vien, Minh Nhat Vu · 2026

Vision-Language-Action (VLA) models have gained much attention from the research community thanks to their strength in translating multimodal observations with linguistic instructions into desired rob…

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Engineering Preprint PDF DOI

AnchorRefine: Synergy-Manipulation Based on Trajectory Anchor and Residual Refinement for Vision-Language-Action Models

Tingzheng Jia, Kan Guo, Lanping Qian, Yongli Hu, Daxin Tian, Guixian Qu, Chunmian Lin, Baocai Yin, Jiapu Wang · 2026

Precision-critical manipulation requires both global trajectory organization and local execution correction, yet most vision-language-action (VLA) policies generate actions within a single unified spa…

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Engineering Preprint PDF DOI

Building Low-Altitude Communication Networks: A Digital Twin-Based Optimization Framework

Boqun Huang, Yancheng Wang, Wei Guo, Zhaojie Guo, Di Wu, Ran Li, Dayang Liu, Wanshun Lan, Chuan Huang, Shuguang Cui · 2026

Low-altitude communication networks (LACNs) serve as the critical infrastructure of the emerging low-altitude economy (LAE), supporting services such as drone delivery and infrastructure inspection. H…

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Engineering Preprint PDF DOI

Trajectory-Based Optimization for Air Traffic Control in the Terminal Maneuvering Area

Yutian Pang, Daniel Delahaye, John-Paul Clarke · 2026

We present a trajectory-based optimization framework for arrival sequencing and scheduling in the terminal maneuvering area (TMA). Unlike node-link scheduling models that reduce trajectories to time-d…

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Engineering Preprint PDF DOI

OmniVLA-RL: A Vision-Language-Action Model with Spatial Understanding and Online RL

Haoxiang Jie, Yaoyuan Yan, Xiangyu Wei, Kailin Wang, Hongjie Yan, Zhiyou Heng, Daocheng Chen · 2026

Visual-Language-Action (VLA) models represent a paradigm shift in embodied AI, yet existing frameworks often struggle with imprecise spatial perception, suboptimal multimodal fusion, and instability i…

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Engineering Preprint PDF DOI

Path-Based Quantum Meta-Learning for Adaptive Optimization of Reconfigurable Intelligent Surfaces

Noha Hassan, Xavier Fernando, Halim Yanikomeroglu · 2026

Reconfigurable intelligent surfaces (RISs) modify signal reflections to enhance wireless communication capabilities. Classical RIS phase optimization is highly non convex and challenging in dynamic en…

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Engineering Preprint PDF DOI

Prosody as Supervision: Bridging the Non-Verbal--Verbal for Multilingual Speech Emotion Recognition

Girish, Mohd Mujtaba Akhtar, Muskaan Singh · 2026

In this work, we introduce a paralinguistic supervision paradigm for low-resource multilingual speech emotion recognition (LRM-SER) that leverages non-verbal vocalizations to exploit prosody-centric e…

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Engineering Preprint PDF DOI

HCFD: A Benchmark for Audio Deepfake Detection in Healthcare

Mohd Mujtaba Akhtar, Girish, Muskaan Singh · 2026

In this study, we present Healthcare Codec-Fake Detection (HCFD), a new task for detecting codec-fakes under pathological speech conditions. We intentionally focus on codec based synthetic speech in t…

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Engineering Preprint PDF DOI

RIS-Assisted Cell-Free Massive MIMO: RIS-MS Selection in FR1 and FR3

Alejandro de la Fuente, Fernando Galindo, Uriel Garcia-Barbulo, Sandra-Noemy Arana-Alegre, Jan Garcia-Morales · 2026

This paper explores the integration of reconfigurable intelligent surfaces (RISs) into cell-free massive multiple-input-multiple-output (CF-mMIMO) networks operating in FR1 and FR3 frequency bands. We…

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Engineering Preprint PDF DOI

Conjugate Beamforming Variants for Multicasting in Cell-Free Massive MIMO Systems

Alejandro de la Fuente, Adrian Espinosa, Jan Garcia-Morales, Guillem Femenias, Felip Riera-Palou · 2026

This paper studies scalable conjugate beamforming (CB) variants for physical-layer multicasting in cell-free massive multiple-input multiple-output (CF-mMIMO) systems. Focusing on fully distributed pr…

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