Expertini Research Research

Browse Research Papers

1,164+ open-access research outputs.

โœ• Clear
๐Ÿ” peter wittek ๐Ÿ“‚ Engineering
Showing 1164 results for "peter wittek" in Engineering
Engineering Preprint PDF DOI

Unfitted Multi-Level hp Refinement for Localized and Moving Solution Features

Jan Niklas Schmake, Martin Ruess ยท 2026

Localized features such as singularities, sharp gradients, discontinuities, and moving sources require adaptive finite element discretizations. Conventional refinement strategies introduce significantโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

asRoBallet: Closing the Sim2Real Gap via Friction-Aware Reinforcement Learning for Underactuated Spherical Dynamics

Fang Wan, Guangyi Huang, Tianyu Wu, Zishang Zhang, Bangchao Huang, Haoran Sun, Mingdong Chen, Chaoyang Song ยท 2026

We introduce asRoBallet, to the best of our knowledge, the first successful deployment of reinforcement learning (RL) on a humanoid ballbot hardware. Historically, ballbots have served as a canonical โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Pedestrians play chicken with an autonomous vehicle

Rakshit Soni, Charles Fox ยท 2026

Automated vehicles (AVs) are commonly programmed to yield unconditionally to pedestrians in the interest of safety. However, this design choice can give rise to the Freezing Robot Problem in which pedโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

AsyncShield: A Plug-and-Play Edge Adapter for Asynchronous Cloud-based VLA Navigation

Kai Yang, Zedong Chu, Yingnan Guo, Zhengbo Wang, Shichao Xie, Yanfen Shen, Xiaolong Wu, Xing Li, Mu Xu ยท 2026

While Vision-Language-Action (VLA) models have been demonstrated possessing strong zero-shot generalization for robot control, their massive parameter sizes typically necessitate cloud-based deploymenโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Integrated Lander-Propulsion-GNC Framework for Autonomous Lunar Powered Descent

Emre Aklan, Fatih Seker, Bekir Gencalioglu, Mehmet Batuhan Kaya, Yigit Serceoglu, Furkan Yavuz, Omer Burak Iskender, Burak Yaglioglu ยท 2026

This paper presents an integrated lander-propulsion-GNC framework for autonomous lunar powered descent. The BUG VTVL test vehicle serves as the reference platform, with the YUNT V0 throttleable bipropโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A Systematic Review and Taxonomy of Reinforcement Learning-Model Predictive Control Integration for Linear Systems

Mohsen Jalaeian Farimani, Roya Khalili Amirabadi, Davoud Nikkhouy, Malihe Abdolbaghi, Mahshad Rastegarmoghaddam, Shima Samadzadeh ยท 2026

The integration of Model Predictive Control (MPC) and Reinforcement Learning (RL) has emerged as a promising paradigm for constrained decision-making and adaptive control. MPC offers structured optimiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Scheduling Analysis of UAV Flight Control Workloads using Raspberry Pi 5 Using PREEMPT_RT Linux

Luiz Giacomossi, H{aa}kan Forsberg, Ivan Tomasic, Baran Curuklu, Tommaso Cucinotta ยท 2026

Modern UAV architectures increasingly aim to unify high-level autonomy and low-level flight control on a single General-Purpose Operating System (GPOS). However, complex multi-core System-on-Chips (Soโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Input-Side Variance Suppression under Non-Normal Transient Amplification in Continuous-Control Reinforcement Learning

Wu Yue ยท 2026

Continuous-control reinforcement learning (RL) often exhibits large closed-loop variance, high-frequency control jitter, and sensitivity to disturbance injection. Existing explanations usually emphasiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Web-Gewu: A Browser-Based Interactive Playground for Robot Reinforcement Learning

Kaixuan Chen, Linqi Ye ยท 2026

With the rapid development of embodied intelligence, robotics education faces a dual challenge: high computational barriers and cumbersome environment configuration. Existing centralized cloud simulatโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A shifted interface approach for internal discontinuities in poroelastic media

David Michael Riley, Guglielmo Scovazzi, Ioannis Stefanou ยท 2026

Porous media containing cracks, fractures, or internal discontinuities arise throughout subsurface geomechanics, biomechanics, and materials science. Numerical simulation of the coupled hydromechanicaโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Comprehensive Review of Doppler Shift Localization Methods: Advances, Limitations, and Research Opportunities

Rafal Szczepanik ยท 2026

Reliable geolocation of non-cooperative emitters in environments where Global Navigation Satellite Systems (GNSS) are unavailable or degraded is a key enabler for spectrum regulation, emergency responโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

RobotPan: A 360$^\circ$ Surround-View Robotic Vision System for Embodied Perception

Jiahao Ma, Qiang Zhang, Peiran Liu, Zeran Su, Pihai Sun, Gang Han, Wen Zhao, Wei Cui, Zhang Zhang, Zhiyuan Xu, Renjing Xu, Jian Tang, Miaomiao Liu, Yijie Guo ยท 2026

Surround-view perception is increasingly important for robotic navigation and loco-manipulation, especially in human-in-the-loop settings such as teleoperation, data collection, and emergency takeoverโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Optimal Decentralized Dynamic Energy Management over Asynchronous Peer-to-Peer Transactive Networks via Operator Splitting

Xi Zhang, Huqiang Cheng, Guo Chen, Huaqing Li, Liang Ran, Jinhui Hu, Tingwen Huang ยท 2026

Peer-to-peer (P2P) energy management facilitates decentralized resource allocation among prosumers, improving local hosting capacity for renewables and minimizing energy expenditures while ensuring daโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Digital Twin for Real-Time Security Assessment and Flexibility Activation in the Bornholm Distribution System

Anosh Arshad Sundhu, Aysegul Kahraman, Spyros Chatzivasileiadis ยท 2026

The increasing penetration of distributed energy resources (DERs) is transforming distribution networks into actively managed systems, introducing challenges related to voltage regulation, thermal loaโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

CableTract: A Co-Designed Cable-Driven Field Robot for Low-Compaction, Off-Grid Capable Agriculture

Ozgur Yilmaz ยท 2026

Conventional field operations spend most of their energy moving the tractor body, not the implement. Yet feasibility studies for novel agricultural vehicles rarely tie mechanics, energy harvest, draftโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Scheduling Cause-Effect Chains without Timing Anomalies in End-to-End Latency

Yixuan Zhu, Bo Zhang, Yinkang Gao, Haoyuan Ren, Cheng Tang, Caixu Zhao, Lei Gong, Teng Wang, Wenqi Lou, Xi Li ยท 2026

In real-time systems, both individual task execution and data propagation must meet strict timing constraints. Cause-effect (CE) chains are widely used to analyze such behaviors by end-to-end latency.โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Quality-Aware Denoising of Ultra-Short TDoA Measurements for 5G-NR UAV Localization

Zexin Fang, Bin Han, Anjie Qiu, Zhuojun Tian, Hans D. Schotten ยท 2026

Reliable positioning is essential for Uncrewed Aerial Vehicles (UAVs) in safety-critical urban operations, yet achieving sub-meter accuracy under stringent latency constraints remains challenging. Whiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

AnyImageNav: Any-View Geometry for Precise Last-Meter Image-Goal Navigation

Yijie Deng, Shuaihang Yuan, Yi Fang ยท 2026

Image Goal Navigation (ImageNav) is evaluated by a coarse success criterion, the agent must stop within 1m of the target, which is sufficient for finding objects but falls short for downstream tasks sโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Temporal Derivative Soft-Sensing and Reconstructing Solar Radiation and Heat Flux from Common Environmental Sensors

Neksha DeSilva ยท 2026

Modern methods of environmental monitoring are deficient in the lack of ability to take measurements of energy flows since traditional readings involve capturing parameters such as temperature, pressuโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Bridging Discrete Planning and Continuous Execution for Redundant Robot

Teng Yan, Yue Yu, Yihan Liu, Bingzhuo Zhong ยท 2026

Voxel-grid reinforcement learning is widely adopted for path planning in redundant manipulators due to its simplicity and reproducibility. However, direct execution through point-wise numerical inversโ€ฆ

Read Paper โ†’
Page 1 of 59 Next โ†’