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๐Ÿ” joerg widmer ๐Ÿ“‚ Engineering
Showing 633 results for "joerg widmer" in Engineering
Engineering Preprint PDF DOI

Virtualizing the Senses: Enabling High-Precision ISAC on Commercial Cellular Infrastructure

Henglin Pu, Husheng Li ยท 2026

Integrated sensing and communication (ISAC) is poised to be a defining feature of 6G networks, promising to transform cellular base stations (BSs) into ubiquitous radar sensors. However, a significantโ€ฆ

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Engineering Preprint PDF DOI

One-Shot Cross-Geometry Skill Transfer through Part Decomposition

Skye Thompson, Ondrej Biza, George Konidaris ยท 2026

Given a demonstration, a robot should be able to generalize a skill to any object it encounters-but existing approaches to skill transfer often fail to adapt to objects with unfamiliar shapes. Motivatโ€ฆ

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Engineering Preprint PDF DOI

Compiling OpenSCENARIO 2.1 for Scenario-Based Testing in CARLA

Thoshitha Gamage, Lasanthi Gamage ยท 2026

While the ASAM OpenSCENARIO 2.1 Domain-Specific Language (DSL) enables declarative, intent-driven authoring for Scenario-Based Testing (SBT), its integration into open-source simulators like CARLA remโ€ฆ

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Engineering Preprint PDF DOI

Uncovering Linguistic Fragility in Vision-Language-Action Models via Diversity-Aware Red Teaming

Baoshun Tong, Haoran He, Ling Pan, Yang Liu, Liang Lin ยท 2026

Vision-Language-Action (VLA) models have achieved remarkable success in robotic manipulation. However, their robustness to linguistic nuances remains a critical, under-explored safety concern, posing โ€ฆ

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Engineering Preprint PDF DOI

Waveguide to Meaning: Semantic-Aware NOMA for Pinching-Antenna Systems

Ishtiaque Ahmed, Haris Parvaiz, Leila Musavian ยท 2026

We investigate the performance of the pinching-antenna systems (PASS) for semantic communication (SC) in both single-waveguide and multi-waveguide scenarios, under the constraints of bit-user quality โ€ฆ

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Engineering Preprint PDF DOI

Nonlinear System Identification of Variable-Pitch Propellers Using a Wiener Model

David Grasev, Miguel A. Mendez ยท 2026

This work presents the system identification of a variable-pitch propeller (VPP) powertrain, encompassing the full actuation chain from PWM signals to thrust generation, with the aim of developing comโ€ฆ

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Engineering Preprint PDF DOI

DreamControl-v2: Simpler and Scalable Autonomous Humanoid Skills via Trainable Guided Diffusion Priors

Sudarshan Harithas, Sangkyung Kwak, Pushkal Katara, Srujan Deolasee, Dvij Kalaria, Srinath Sridhar, Sai Vemprala, Ashish Kapoor, Jonathan Chung-Kuan Huang ยท 2026

Developing robust autonomous loco-manipulation skills for humanoids remains an open problem in robotics. While RL has been applied successfully to legged locomotion, applying it to complex, interactioโ€ฆ

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Engineering Preprint PDF DOI

Integrated sensing and communications in the 3GPP New Radio: sensing limits

Santiago Fernandez, Javier Gimenez, Mari Carmen Aguayo-Torres, Jose A. Cortes ยท 2026

Integrated Sensing and Communications (ISAC) is regarded as a key element of the beyond-fifth-generation (5G) and sixth-generation (6G) systems, raising the question of whether current 5G New Radio (Nโ€ฆ

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Engineering Preprint PDF DOI

GSW: Generalized "Self-Wiener" Denoising

Amir Weiss ยท 2026

We revisit the recently proposed ``self-Wiener" (SW) filtering method for robust deconvolution, and generalize it to the classical denoising problem. The resulting estimator, termed generalized SW (GSโ€ฆ

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Engineering Preprint PDF DOI

Rate-Splitting Multiple Access with a SIC-Free Receiver: An Experimental Study

Guoqian Sun, Xinze Lyu, Bruno Clerckx ยท 2026

Most Rate-Splitting Multiple Access (RSMA) implementations rely on successive interference cancellation (SIC) at the receiver, whose performance is inherently limited by error propagation during commoโ€ฆ

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Engineering Preprint PDF DOI

Legged Autonomous Surface Science In Analogue Environments (LASSIE): Making Every Robotic Step Count in Planetary Exploration

Cristina G. Wilson, Marion Nachon, Shipeng Liu, John G. Ruck, J. Diego Caporale, Benjamin E. McKeeby, Yifeng Zhang, Jordan M. Bretzfelder, John Bush, Alivia M. Eng, Ethan Fulcher, Emmy B. Hughes, Ian C. Rankin, Jelis J. Sostre Cortes, Sophie Silver, Michael R. Zanetti, Ryan C. Ewing, Kenton R. Fisher, Douglas J. Jerolmack, Daniel E. Koditschek, Frances Rivera-Hernandez, Thomas F. Shipley, Feifei Qian ยท 2026

The ability to efficiently and effectively explore planetary surfaces is currently limited by the capability of wheeled rovers to traverse challenging terrains, and by pre-programmed data acquisition โ€ฆ

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Engineering Preprint PDF DOI

Emergent Dexterity via Diverse Resets and Large-Scale Reinforcement Learning

Patrick Yin, Tyler Westenbroek, Zhengyu Zhang, Joshua Tran, Ignacio Dagnino, Eeshani Shilamkar, Numfor Mbiziwo-Tiapo, Simran Bagaria, Xinlei Liu, Galen Mullins, Andrey Kolobov, Abhishek Gupta ยท 2026

Reinforcement learning in massively parallel physics simulations has driven major progress in sim-to-real robot learning. However, current approaches remain brittle and task-specific, relying on extenโ€ฆ

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Engineering Preprint PDF DOI

Distributed Multichannel Wiener Filtering for Wireless Acoustic Sensor Networks

Paul Didier, Toon van Waterschoot, Simon Doclo, Jorg Bitzer, Pourya Behmandpoor, Henri Gode, Marc Moonen ยท 2026

[This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible.] In a wireless acoustic sensor โ€ฆ

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Engineering Preprint PDF DOI

Energy-Efficient Collaborative Transport of Tether-Suspended Payloads via Rotating Equilibrium

Eric Foss, Andrew Tai, Carlo Bosio, Mark W. Mueller ยท 2026

Collaborative aerial transportation of tethered payloads is fundamentally limited by space, power, and weight constraints. Conventional approaches rely on static equilibrium conditions, where each vehโ€ฆ

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Engineering Preprint PDF DOI

$\pi$-StepNFT: Wider Space Needs Finer Steps in Online RL for Flow-based VLAs

Siting Wang, Xiaofeng Wang, Zheng Zhu, Minnan Pei, Xinyu Cui, Cheng Deng, Jian Zhao, Guan Huang, Haifeng Zhang, Jun Wang ยท 2026

Flow-based vision-language-action (VLA) models excel in embodied control but suffer from intractable likelihoods during multi-step sampling, hindering online reinforcement learning. We propose \textbfโ€ฆ

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Engineering Preprint PDF DOI

(hu)Man vs. Machine: In the Future of Motorsport, can Autonomous Vehicles Compete?

Armand Amaritei, Amber-Lily Blackadder, Sebastian Donnelly, Lora Hernandez, James Vine, Alexander Rast, Matthias Rolf, Andrew Bradley ยท 2026

Motorsport has historically driven technological innovation in the automotive industry. Autonomous racing provides a proving ground to push the limits of performance of autonomous vehicle (AV) systemsโ€ฆ

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Engineering Preprint PDF DOI

Integrated Guidance and Control for Path-Following with Bounded Inputs

Ram Milan Kumar Verma, Shashi Ranjan Kumar, Hemendra Arya ยท 2026

Precise motion control of underactuated surface vessels is a crucial task in various maritime applications. In this work, we develop a nonlinear motion control strategy for surface vessels inspired byโ€ฆ

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Engineering Preprint PDF DOI

Curriculum-Based Soft Actor-Critic for Multi-Section R2R Tension Control

Shihao Li, Jiachen Li, Christopher Martin, Zijun Chen, Dongmei Chen, Wei Li ยท 2026

Precise tension control in roll-to-roll (R2R) manufacturing is difficult under varying operating conditions and process uncertainty. This paper presents a curriculum-based Soft Actor-Critic (SAC) contโ€ฆ

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Engineering Preprint PDF DOI

Simple Models, Real Swimming: Digital Twins for Tendon-Driven Underwater Robots

Mike Y. Michelis, Nana Obayashi, Josie Hughes, Robert K. Katzschmann ยท 2026

Mimicking the graceful motion of swimming animals remains a core challenge in soft robotics due to the complexity of fluid-structure interaction and the difficulty of controlling soft, biomimetic bodiโ€ฆ

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Engineering Preprint PDF DOI

Semi-Gridless Variational Bayes Channel Estimation in XL-MIMO: Near-Field Modeling and Inference

Van-Chung Luu, Toan-Van Nguyen, Nuria Gonzalez-Prelcic, Duy H. N. Nguyen ยท 2026

Extremely large antenna arrays and high-frequency operation are two key technologies that advance performance metrics such as higher data rates, lower latency, and wider coverage in sixth-generation cโ€ฆ

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