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๐Ÿ” spatial analysis ๐Ÿ“‚ Engineering
Showing 32423 results for "spatial analysis" in Engineering
Engineering Preprint PDF DOI

Performance Enhancement of MVDC Aircraft Cables Using Micro-Multilayer Insulation Under Low-Pressure Conditions

Saikat Chowdhury, Mona Ghassemi ยท 2026

The development of medium-voltage direct current (MVDC) cable systems for wide-body all-electric aircraft (AEA) requires insulation technologies capable of operating reliably under reduced-pressure enโ€ฆ

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Engineering Preprint PDF DOI

ReaLiTy and LADS: A Unified Framework and Dataset Suite for LiDAR Adaptation Across Sensors and Adverse Weather Conditions

Vivek Anand, Bharat Lohani, Rakesh Mishra, Gaurav Pandey ยท 2026

Reliable LiDAR perception requires robustness across sensors, environments, and adverse weather. However, existing datasets rarely provide physically consistent observations of the same scene under vaโ€ฆ

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Engineering Preprint PDF DOI

Analysis and Enhancement of Incremental-Quantity-Based Distance Protection With Grid-Forming Inverters

Henrik Johansson, Qianli Xing, Nathaniel Taylor, Xiongfei Wang ยท 2026

Grid-forming (GFM) inverters are expected in future inverter-dominated grids. In such grids, time-domain protection schemes, for example those based on instantaneous incremental quantities (IQs), are โ€ฆ

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Engineering Preprint PDF DOI

Bistatic Integrated Sensing and Communication in the Presence of a Disco Reconfigurable Intelligent Surface: Disruption, Enhancement, or Both?

Huan Huang, Hongliang Zhang, Weidong Mei, Minghui Min, Dusit Niyato, Zhu Han ยท 2026

Integrated sensing and communication (ISAC) is widely regarded as one of the key enabling technologies for future sixth-generation (6G) wireless communication systems. In this work, we investigate a bโ€ฆ

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Engineering Preprint PDF DOI

Natural Gradient Gaussian Approximation Filter with Positive Definiteness Guarantee

Tianyi Zhang, Wenhan Cao, Shengbo Eben Li ยท 2026

Popular Bayes filters often apply linearization techniques, such as Taylor expansion or stochastic linear regression, to enable the use of the Kalman filter structure, but this can lead to large errorโ€ฆ

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Engineering Preprint PDF DOI

Agentic Application in Power Grid Static Analysis: Automatic Code Generation and Error Correction

Qinjuan Wang, Shan Yang, Yongli Zhu ยท 2026

This paper introduces an LLM agent that automates power grid static analysis by converting natural language into MATPOWER scripts. The framework utilizes DeepSeek-OCR to build an enhanced vector databโ€ฆ

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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

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Engineering Preprint PDF DOI

RoboLab: A High-Fidelity Simulation Benchmark for Analysis of Task Generalist Policies

Xuning Yang, Rishit Dagli, Alex Zook, Hugo Hadfield, Ankit Goyal, Stan Birchfield, Fabio Ramos, Jonathan Tremblay ยท 2026

The pursuit of general-purpose robotics has yielded impressive foundation models, yet simulation-based benchmarking remains a bottleneck due to rapid performance saturation and a lack of true generaliโ€ฆ

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Physics-Informed Reinforcement Learning of Spatial Density Velocity Potentials for Map-Free Racing

Shathushan Sivashangaran, Apoorva Khairnar, Sepideh Gohari, Vihaan Dutta, Azim Eskandarian ยท 2026

Autonomous racing without prebuilt maps is a grand challenge for embedded robotics that requires kinodynamic planning from instantaneous sensor data at the acceleration and tire friction limits. Out-Oโ€ฆ

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Engineering Preprint PDF DOI

Robust Adaptive Backstepping Impedance Control of Robots in Unknown Environments

Reza Nazmara, Alap Kshirsagar, Jan Peters, A. Pedro Aguiar ยท 2026

This paper presents a Robust Adaptive Backstepping Impedance Control (RABIC) strategy for robots operating in contact-rich and uncertain environments. The proposed control strategy considers the complโ€ฆ

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Engineering Preprint PDF DOI

UHD Low-Light Image Enhancement via Real-Time Enhancement Methods with Clifford Information Fusion

Xiaohan Wang, Chen Wu, Dawei Zhao, Guangwei Gao, Dianjie Lu, Guijuan Zhang, Linwei Fan, Xu Lu, Shuai Wu, Hang Wei, Zhuoran Zheng ยท 2026

Considering efficiency, ultra-high-definition (UHD) low-light image restoration is extremely challenging. Existing methods based on Transformer architectures or high-dimensional complex convolutional โ€ฆ

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Compositional-Degradation UAV Image Restoration: Conditional Decoupled MoE Network and A Benchmark

Jinquan Yan, Zhicheng Zhao, Zhengzheng Tu, Chenglong Li, Jin Tang, Bin Luo ยท 2026

UAV images are critical for applications such as large-area mapping, infrastructure inspection, and emergency response. However, in real-world flight environments, a single image is often affected by โ€ฆ

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Soft Electroadhesive Feet for Micro Aerial Robots Perching on Smooth and Curved Surfaces

Chen Liu, Sonu Feroz, Ketao Zhang ยท 2026

Electroadhesion (EA) provides electrically switchable adhesion and is a promising mechanism for perching micro aerial robots on smooth surfaces. However, practical implementations of soft and stretchaโ€ฆ

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Engineering Preprint PDF DOI

Phase-Field Peridynamics

Kai Partmann, Christian Wieners, Michael Ortiz, Kerstin Weinberg ยท 2026

Peridynamics formulates the balance of linear momentum as an integro-differential equation, making it naturally suited for fracture modeling without special treatment of discontinuities. The bond-assoโ€ฆ

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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

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Experimental Study of Interference Suppression for Backscatter Communication in Distributed MIMO

Ahmet Kaplan, Gilles Callebaut, Jarne Van Mulders, Erik G. Larsson ยท 2026

Bistatic backscatter communication requires strong illumination of a backscatter device (BD), while a spatially separated reader detects the weak modulated reflection. In practice, the resulting direcโ€ฆ

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Engineering Preprint PDF DOI

Modeling and Simulation of Nitrogen Generation by Pressure Swing Adsorption for Power-to-Ammonia

Marcus J. Schytt, Lorenz T. Biegler, John B. J{o}rgensen ยท 2026

Power-to-ammonia (P2A) provides a carbon-free alternative to conventional ammonia production by replacing fossil-based feedstocks with electrolytic hydrogen and nitrogen from air separation. For decenโ€ฆ

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Engineering Preprint PDF DOI

Diffusion Inpainting MIMO-OFDM Channels with Limited Noisy Observations

Weijie Zhou, Zhaoyang Zhang, Yuzhi Yang, Sen Yan, Zhixian Kong, Merouane Debbah ยท 2026

Acquiring the channel state information from limited and noisy observations at pilot positions is critical for wireless multiple-input multiple-output (MIMO)-orthogonal frequency division multiplexingโ€ฆ

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Towards Lifelong Aerial Autonomy: Geometric Memory Management for Continual Visual Place Recognition in Dynamic Environments

Xingyu Shao, Zhiqiang Yan, Liangzheng Sun, Mengfan He, Chao Chen, Jinhui Zhang, Chunyu Li, Ziyang Meng ยท 2026

Robust geo-localization in changing environmental conditions is critical for long-term aerial autonomy. While visual place recognition (VPR) models perform well when airborne views match the training โ€ฆ

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AssemLM: Spatial Reasoning Multimodal Large Language Models for Robotic Assembly

Zhi Jing, Jinbin Qiao, Ouyang Lu, Jicong Ao, Shuang Qiu, Yu-Gang Jiang, Chenjia Bai ยท 2026

Spatial reasoning is a fundamental capability for embodied intelligence, especially for fine-grained manipulation tasks such as robotic assembly. While recent vision-language models (VLMs) exhibit preโ€ฆ

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