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

Foundation Models in Robotics: A Comprehensive Review of Methods, Models, Datasets, Challenges and Future Research Directions

Aggelos Psiris, Vasileios Argyriou, Evangelos K. Markakis, Panagiotis Sarigiannidis, Efstratios Gavves, Kostas Bekris, Arash Ajoudani adn Georgios Th. Papadopoulos ยท 2026

Over the recent years, the field of robotics has been undergoing a transformative paradigm shift from fixed, single-task, domain-specific solutions towards adaptive, multi-function, general-purpose agโ€ฆ

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Engineering Preprint PDF DOI

Keep It CALM: Toward Calibration-Free Kilometer-Level SLAM with Visual Geometry Foundation Models via an Assistant Eye

Tianjun Zhang, Fengyi Zhang, Tianchen Deng, Lin Zhang, Hesheng Wang ยท 2026

Visual Geometry Foundation Models (VGFMs) demonstrate remarkable zero-shot capabilities in local reconstruction. However, deploying them for kilometer-level Simultaneous Localization and Mapping (SLAMโ€ฆ

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Engineering Preprint PDF DOI

Towards Trustworthy 6G Network Digital Twins: A Framework for Validating Counterfactual What-If Analysis in Edge Computing Resources

Julian Jimenez Agudelo, Paola Soto, Ayat Zaki-Hindi, Jean-Sebastien Sottet, Sebastien Faye, Nina Slamnik-Krijestorac, Johann Marquez-Barja, Miguel Camelo Botero ยท 2026

Network Digital Twins (NDTs) enable safe what-if analysis for 6G cloud-edge infrastructures, but adoption is often limited by fragmented workflows from telemetry to validation. We present a data-driveโ€ฆ

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Engineering Preprint PDF DOI

DigiForest: Digital Analytics and Robotics for Sustainable Forestry

Marco Camurri, Enrico Tomelleri, Matias Mattamala, Sebastian Barbas Laina, Martin Jacquet, Jens Behley, Sunni Kanta Prasad Kushwaha, Fang Nan, Nived Chebrolu, Leonard Frei{ss}muth, Marvin Chayton Harms, Meher V.R. Malladi, Fan Yang, Jonas Frey, Cesar Cadena, Marco Hutter, Janine Schweier, Kostas Alexis, Cyrill Stachniss, Maurice Fallon, Stefan Leutenegger ยท 2026

Covering one third of Earth's land surface, forests are vital to global biodiversity, climate regulation, and human well-being. In Europe, forests and woodlands reach approximately 40% of land area, aโ€ฆ

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Engineering Preprint PDF DOI

A Stable SBP-SAT FDTD Subgridding Method Without Region Split

Yuhui Wang, Langran Deng, Weibo Wu, Hanhong Liu, Xinyue Zhang, Xingqi Zhang, Jian Wang, Wei-Jie Wang, Zhizhang Chen, Shunchuan Yang ยท 2026

A provably stable summation-by-parts simultaneous approximation term (SBP-SAT) finite-difference time-domain (FDTD) subgridding method without region split is proposed. By designing projection SBP opeโ€ฆ

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Engineering Preprint PDF DOI

Beam Squinting Effects in Super Wideband Communication Systems

Sachitha C. Bandara, Peter J. Smith, Erfan Khordad, Pawel Dmochowski, Robin Evans, Rajitha Senanayake ยท 2026

Beam squint, the frequency-dependent shift of the main beam, poses a major challenge for wideband antenna arrays. This paper focuses on the beam squint effects in super wideband (SW) systems, where hiโ€ฆ

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Quantifying and Improving the Accuracy of Electromagnetic Transient-Transient Stability Hybrid Simulation

Bin Wang, Qiang Zhang, Xiaochuan Luo, Slava Maslennikov, Mingguo Hong, Xinghao Fang, Tongxin Zheng ยท 2026

The increasing penetration of inverter-based resources introduces new dynamic challenges to modern power grids, such as sub- and super-synchronous oscillations and other faster dynamics. These dynamicโ€ฆ

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Robust Optimal Experimental Design Accounting for Sensor Failure

Rebekah White, Chandler Smith, Drew Kouri, Jace Ritchie, Wilkins Aquino, Timothy Walsh ยท 2026

Optimal experimental design provides a way of determining a-priori the best locations at which to place accelerometers in vibrations analysis experiments. However, in practice, sensors often fail duriโ€ฆ

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Decoupling Identity from Utility: Privacy-by-Design Frameworks for Financial Ecosystems

Ifayoyinsola Ibikunle, Tyler Farnan, Senthil Kumar, Mayana Pereira ยท 2026

Financial institutions face tension between maximizing data utility and mitigating the re-identification risks inherent in traditional anonymization methods. This paper explores Differentially Privateโ€ฆ

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A Nonasymptotic Theory of Gain-Dependent Error Dynamics in Behavior Cloning

Junghoon Seo ยท 2026

Behavior cloning (BC) policies on position-controlled robots inherit the closed-loop response of the underlying PD controller, yet the effect of controller gains on BC failure lacks a nonasymptotic thโ€ฆ

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SpaceMind: A Modular and Self-Evolving Embodied Vision-Language Agent Framework for Autonomous On-orbit Servicing

Aodi Wu, Haodong Han, Xubo Luo, Ruisuo Wang, Shan He, Xue Wan ยท 2026

Autonomous on-orbit servicing demands embodied agents that perceive through visual sensors, reason about 3D spatial situations, and execute multi-phase tasks over extended horizons. We present SpaceMiโ€ฆ

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AC-OPF Feasibility Analysis and Sensitivity-Guided Capacitor Placement in a High-PV Islanded Microgrid

Aaron Jones, Marija Ilic ยท 2026

This paper presents a comparative AC Optimal Power Flow study on a real world city scale islanded microgrid with high solar PV penetration, implemented within a Digital Twin framework. Four objective โ€ฆ

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Joint Identification of Linear Dynamics and Noise Covariance via Distributional Estimation

Yang Hu, Na Li ยท 2026

In this paper, we propose a novel framework for the joint identification of system dynamics and noise covariance in linear systems, under general noise distributions beyond Gaussian. Specifically, we โ€ฆ

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UMI-3D: Extending Universal Manipulation Interface from Vision-Limited to 3D Spatial Perception

Ziming Wang ยท 2026

We present UMI-3D, a multimodal extension of the Universal Manipulation Interface (UMI) for robust and scalable data collection in embodied manipulation. While UMI enables portable, wrist-mounted dataโ€ฆ

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Scale-Invariant Sampling in Multi-Arm Bandit Motion Planning for Object Extraction

Servet B. Bayraktar, Andreas Orthey, Marc Toussaint ยท 2026

Object extraction tasks often occur in disassembly problems, where bolts, screws, or pins have to be removed from tight, narrow spaces. In such problems, the distance to the environment is often on thโ€ฆ

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Stochastic and Dynamic Fundamental Diagram for Mixed Traffic

Jiwan Jiang, Soyoung Ahn ยท 2026

This study develops a dynamic fundamental diagram (FD) framework tailored to mixed traffic environments comprising automated vehicles (AVs) and human-driven vehicles (HDVs). Describing function analysโ€ฆ

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Low-Complexity, Space Splitting-based User Selection in MU-MIMO for Massive Connectivity and AI-Native Traffic

Joao Paulo S. H. Lima, Marcin L. Filo, Chathura Jayawardena, Konstantinos Nikitopoulos ยท 2026

The rise of Artificial Intelligence (AI)-driven services, machine-type communications, and massive Internet of Things (IoT) deployments is reshaping wireless traffic toward dense, uplink-oriented, burโ€ฆ

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Goal2Skill: Long-Horizon Manipulation with Adaptive Planning and Reflection

Zhen Liu, Xinyu Ning, Zhe Hu, Xinxin Xie, Weize Li, Zhipeng Tang, Chongyu Wang, Zejun Yang, Hanlin Wang, Yitong Liu, Zhongzhu Pu ยท 2026

Recent vision-language-action (VLA) systems have demonstrated strong capabilities in embodied manipulation. However, most existing VLA policies rely on limited observation windows and end-to-end actioโ€ฆ

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Energy-Efficient Mobile Communications using an Adaptive Gearbox-PHY under Hardware Constraints

Florian Gast, Meik Dorpinghaus, Gerhard Fettweis ยท 2026

Future mobile networks must achieve substantial improvements in energy efficiency to offset the anticipated traffic growth. Despite this requirement, many discussions regarding physical layer design rโ€ฆ

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Evaluating the Exp-Minus-Log Sheffer Operator for Battery Characterization

Eymen Ipek ยท 2026

Odrzywolek (2026) recently introduced the Exp-Minus-Log (EML) operator eml (x, y) = exp(x) - ln(y) and proved constructively that, paired with the constant 1, it generates the entire scientific-calculโ€ฆ

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