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Showing 38789 results for "computer simulation" in Engineering
Engineering Preprint PDF DOI

Robust Distributed Sub-Optimal Coordination of Linear Agents with Uncertain Input Nonlinearities

Takumi Namba · 2026

In this paper, we study robust distributed sub-optimal coordination of linear agents subject to input nonlinearities. Inspired by the robust agreement literature, we formulate a bounded distributed su…

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Engineering Preprint PDF DOI

Ray Tracing-Enabled Digital Twin for RIS Phase Optimization: Implementation and Experimental Validation

Omer Lutfu Karakelle, Sefa Kayrakl{i}k, Ibrahim Hokelek, Ali Gorcin, Halim Yan{i}komeroglu · 2026

Determining the optimal phase configurations of reconfigurable intelligent surface (RIS) elements typically requires complex channel estimation procedures with high pilot overhead, creating a bottlene…

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Engineering Preprint PDF DOI

Locomotion of an Elastic Snake Robot via Natural Dynamics

Tristan Ehlert, Arne Sachtler, Annika Schmidt, Davide Calzolari, Alin Albu-Schaffer · 2026

Nature suggests that exploiting the elasticities and natural dynamics of robotic systems could increase their locomotion efficiency. Prior work on elastic snake robots supports this hypothesis, but ha…

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Engineering Preprint PDF DOI

Joint Phase Noise and Off-Grid Channel Estimation for AFDM Systems via Sparse Bayesian Learning

You Xu, Huaijin Zhang, Lixia Xiao, Guanghua Liu, Zilong Liu · 2026

In practical affine frequency division multiplexing (AFDM) systems, the intricate coupling of oscillator phase noise (PN) and off-grid fractional shifts traps conventional estimators in a severe high-…

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Engineering Preprint PDF DOI

Symbol-Level Mask-Compliant Hybrid Precoding for Multi-User MIMO-OFDM Systems

Navid Reyhanian, Parisa Ramezani, Emil Bjornson · 2026

Millimeter-wave (mmWave) technology is a crucial enabler for next-generation networks because it offers substantially greater available bandwidth. mmWave multiple-input multiple-output (MIMO) systems …

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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

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

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

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

A Hamilton-Jacobi Reachability-Guided Search Framework for Efficient and Safe Indoor Planar Robot Navigation

Hanyang Hu, Cameron Siu, Mo Chen · 2026

Autonomous navigation requires planning to reach a goal safely and efficiently in complex and potentially dynamic environments. Graph search-based algorithms are widely adopted due to their generality…

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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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Engineering Preprint PDF DOI

Active MIMO Sensing With Exploration-Exploitation Tradeoff

Nadim Ghaddar, Kareem M. Attiah, Wei Yu · 2026

This paper develops an active sensing framework for designing the transmit and receive beamformers of a multiple-input multiple-output (MIMO) radar system. In the proposed technique, the beamformers a…

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Engineering Preprint PDF DOI

$\mu$-FlowNet: A Deep Learning Approach for Mapping Flow Fields in Irregular Microchannels Using an Attention-based U-Net Encoder-Decoder Architecture

Ganesh Sahadeo Meshram, Suman Chakraborty, Nishant Sinha, Partha Pratim Chakrabarti · 2026

In the complex domain of microfluidics systems, analysing fluid flow patterns through random-shaped circular microchannels is significantly challenging task. Conventional approach of solving such prob…

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Engineering Preprint PDF DOI

Target Parameterization in Diffusion Models for Nonlinear Spatiotemporal System Identification

Achraf El Messaoudi, Noureddine Khaous, Karim Cherifi · 2026

Machine learning is becoming increasingly important for nonlinear system identification, including dynamical systems with spatially distributed outputs. However, classical identification and forecasti…

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Engineering Preprint PDF DOI

Novel Algorithms for Smoothly Differentiable and Efficiently Vectorizable Contact Manifold Construction

Onur Beker, Andreas Rene Geist, Anselm Paulus, Georg Martius · 2026

Generating intelligent robot behavior in contact-rich settings is a research problem where zeroth-order methods currently prevail. Developing methods that make use of first/second order information ab…

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Engineering Preprint PDF DOI

A Novel 3D Antenna Architecture with Spatial Resource Allocation for Massive MIMO HAPS

Rozita Shafie, Omid Abbasi, Halim Yanikomeroglu, Mohammad Javad Omidi · 2026

Spatial correlation poses a significant challenge in massive multiple-input multiple-output (MIMO) high-altitude platform station (HAPS) systems. The inherent spatial correlation among antenna element…

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Engineering Preprint PDF DOI

Safer Trajectory Planning with CBF-guided Diffusion Model for Unmanned Aerial Vehicles

Peiwen Yang, Shiyu Bai, Weisong Wen, Yixin Gao, Jiahao Hu · 2026

Safe and agile trajectory planning is essential for autonomous systems, especially during complex aerobatic maneuvers. Motivated by the recent success of diffusion models in generative tasks, this pap…

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Engineering Preprint PDF DOI

FLASH: Fast Learning via GPU-Accelerated Simulation for High-Fidelity Deformable Manipulation in Minutes

Siyuan Luo, Bingyang Zhou, Chong Zhang, Xin Liu, Zhenhao Huang, Gang Yang, Zhengtao Han, Xiaotian Hu, Eric Yang, Rymon Yu, Ziqiu Zeng, Fan Shi · 2026

Simulation frameworks such as Isaac Sim have enabled scalable robot learning for locomotion and rigid-body manipulation; however, contact-rich simulation remains a major bottleneck for deformable obje…

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