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

Frequency Security Assessment in Power Systems With High Penetration of Renewables Considering Spatio-Temporal Frequency Distribution

Changjun He, Hua Geng, Xiuqiang He, Chen Shen, Yushuang Liu ยท 2026

The increasing integration of renewable energy sources exacerbates the spatial and temporal differences in frequency across the power system, posing a serious challenge to the accurate and efficient aโ€ฆ

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Engineering Preprint PDF DOI

A Convexified Eulerian Framework for Scalable Coordination of Massive DER Populations

Ge Chen, Yiwei Qiu, Shiyao Zhang, Pengfei Su, Haoran Deng, Hongcai Zhang ยท 2026

This paper proposes a scalable coordination framework with aggregator-side privacy protection for storage-like distributed energy resources (DERs). The framework adopts a two-layer architecture. At thโ€ฆ

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Engineering Preprint PDF DOI

CorridorVLA: Explicit Spatial Constraints for Generative Action Heads via Sparse Anchors

Dachong Li, ZhuangZhuang Chen, Jin Zhang, Jianqiang Li ยท 2026

Vision--Language--Action (VLA) models often use intermediate representations to connect multimodal inputs with continuous control, yet spatial guidance is often injected implicitly through latent featโ€ฆ

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Engineering Preprint PDF DOI

A Dynamic Phasor Framework for Analysis of IBR-Induced SSOs in Multi-Machine Systems

Fiaz Hossain, Nilanjan Ray Chaudhuri, Constantino M. Lagoa ยท 2026

We propose a generalized dynamic phasor (DP) framework to analyze inverter-based resources (IBRs) connected to multi-machine systems under balanced and unbalanced conditions. It captures subsynchronouโ€ฆ

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Engineering Preprint PDF DOI

How VLAs (Really) Work In Open-World Environments

Amir Rasouli, Yangzheng Wu, Zhiyuan Li, Rui Heng Yang, Xuan Zhao, Charles Eret, Sajjad Pakdamansavoji ยท 2026

Vision-language-action models (VLAs) have been extensively used in robotics applications, achieving great success in various manipulation problems. More recently, VLAs have been used in long-horizon tโ€ฆ

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Engineering Preprint PDF DOI

Threat Detection and Resilience Techniques in PRS-Assisted OTDOA 5G Positioning Systems

Thodoris Spanos, Nikolaos Papageorgiou, Samuele Fantinato, Nikos Kanistras, Sergi Duenas Pedrosa, Gianluca Caparra, Vassilis Paliouras ยท 2026

Precise positioning is a key enabler for emerging 5G applications, from autonomous transport to industrial automation. Yet the open physical layer (PL) leaves standard positioning reference signals (Pโ€ฆ

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Engineering Preprint PDF DOI

On the dynamic behavior of the network SIRS epidemic model

Giulia Gatti, Giacomo Como ยท 2026

We study the Suscectible-Infected-Recovered-Susceptible (SIRS) epidemic model on deterministic networks. For connected but otherwise general interaction patterns and heterogeneous recovery and loss-ofโ€ฆ

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Engineering Preprint PDF DOI

PokeVLA: Empowering Pocket-Sized Vision-Language-Action Model with Comprehensive World Knowledge Guidance

Yupeng Zheng, Xiang Li, Songen Gu, Yuhang Zheng, Shuai Tian, Weize Li, Linbo Wang, Senyu Fei, Pengfei Li, Yinfeng Gao, Zebin Xing, Yilun Chen, Qichao Zhang, Haoran Li, Wenchao Ding ยท 2026

Recent advances in Vision-Language-Action (VLA) models have opened new avenues for robot manipulation, yet existing methods exhibit limited efficiency and a lack of high-level knowledge and spatial awโ€ฆ

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A Hough transform approach to safety-aware scalar field mapping using Gaussian Processes

Muzaffar Qureshi, Trivikram Satharasi, Tochukwu E. Ogri, Kyle Volle, Rushikesh Kamalapurkar ยท 2026

This paper presents a framework for mapping unknown scalar fields using a sensor-equipped autonomous robot operating in unsafe environments. The unsafe regions are defined as regions of high-intensityโ€ฆ

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ALAS: Adaptive Long-Horizon Action Synthesis via Async-pathway Stream Disentanglement

Yutong Shen, Hangxu Liu, Lei Zhang, Penghui Liu, Yinqi Liu, Liuxiang Yang, Tongtong Feng ยท 2026

Long-Horizon (LH) tasks in Human-Scene Interaction (HSI) are complex multi-step tasks that require continuous planning, sequential decision-making, and extended execution across domains to achieve theโ€ฆ

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A Kinematic Framework for Evaluating Pinch Configurations in Robotic Hand Design without Object or Contact Models

HyoJae Kang, Joonho Lee, Hyunmok Jung, Dong Il Park ยท 2026

Evaluating the pinch capability of a robotic hand is important for understanding its functional dexterity. However, many existing grasp evaluation methods rely on object geometry or contact force modeโ€ฆ

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CKM Beyond Channel Gain: Spatial Correlation Map Construction with Deep Learning

Z. Chen, S. Fu, Y. Zeng, X. Xu, Z. Wei ยท 2026

Channel knowledge map (CKM) is a promising technique to achieve environment-aware wireless communication and sensing. Constructing the complete CKM based on channel knowledge observations at sparse loโ€ฆ

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Sample entropy for graph signals: An approach to nonlinear analysis of graph signals

Mei-San Maggie Lei, John Stewart Fabila Carrasco, Javier Escudero ยท 2026

We introduce a graph-signal generalisation of Sample Entropy, denoted SampEn$_{G}$, to quantify irregularity of graph signals on a continuous state space, complementing existing methods on symbolic dyโ€ฆ

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Model Predictive Communication for Timely Status Updates in Low-Altitude Networks

Bowen Li, Jiping Luo, Themistoklis Charalambous, Nikolaos Pappas ยท 2026

Timely information delivery in low-altitude networks is critical for many time-sensitive applications, such as unmanned aerial vehicle (UAV) navigation, inspection, and surveillance. The key challengeโ€ฆ

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Engineering Preprint PDF DOI

Near-Field Wideband Channel Estimation for XL-MIMO Systems via Denoising Diffusion Model

Qingxia Feng, Yin Fang, Meng Hua, Cheng Zhang, Chunguo Li, Yongming Huang, Luxi Yang ยท 2026

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a key enabling technology for sixth-generation (6G) communication systems. Nevertheless, the increase in array aperture and signal banโ€ฆ

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Temporal Difference Calibration in Sequential Tasks: Application to Vision-Language-Action Models

Shelly Francis-Meretzki, Mirco Mutti, Yaniv Romano, Aviv Tamar ยท 2026

Recent advances in vision-language-action (VLA) models for robotics have highlighted the importance of reliable uncertainty quantification in sequential tasks. However, assessing and improving calibraโ€ฆ

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MOMO: A framework for seamless physical, verbal, and graphical robot skill learning and adaptation

Markus Knauer, Edoardo Fiorini, Maximilian Muhlbauer, Stefan Schneyer, Promwat Angsuratanawech, Florian Samuel Lay, Timo Bachmann, Samuel Bustamante, Korbinian Nottensteiner, Freek Stulp, Alin Albu-Schaffer, Joao Silverio, Thomas Eiband ยท 2026

Industrial robot applications require increasingly flexible systems that non-expert users can easily adapt for varying tasks and environments. However, different adaptations benefit from different intโ€ฆ

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Rank-Aware Link Adaptation for XR Tethering Groups with Realistic Tethering Link: A Multi-Offset OLLA Framework

Muhammad Ahsen, Boyan Yanakiev, Claudio Rosa, Ramoni Adeogun ยท 2026

We investigate higher-rank transmissions for multi-connected Extended Reality (XR) devices enabled through tethering group (TGr), in which a nearby tethering User Equipment (UE) cooperates with an XR โ€ฆ

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Lexicographic Minimum-Violation Motion Planning using Signal Temporal Logic

Patrick Halder, Lothar Kiltz, Hannes Homburger, Johannes Reuter, Matthias Althoff ยท 2026

Motion planning for autonomous vehicles often requires satisfying multiple conditionally conflicting specifications. In situations where not all specifications can be met simultaneously, minimum-violaโ€ฆ

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High-Fidelity and Location-Robust Respiratory Waveform Monitoring with Single-Antenna WiFi

Hefei Wang, Jianwei Liu, Yinghui He, Guanding Yu, Jinsong Han ยท 2026

In recent years, WiFi sensing has been recognized as a promising technology to bring respiratory monitoring into everyday homes, thanks to its contactless nature and ubiquitous availability. However, โ€ฆ

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