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

Informativity of Data-Knowledge Pairs for Lyapunov Equations

Ikumi Banno ยท 2026

In the past few years, data informativity with prior knowledge has attracted increasing attention. This line of research aims to characterize a dataset on a dynamical system that enables system analysโ€ฆ

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Engineering Preprint PDF DOI

Semi-Blind Receivers for RIS-Aided Fluid Antenna Systems

Josue V. de Araujo, Gilderlan T. de Araujo, Andre L. F. de Almeida ยท 2026

Reconfigurable intelligent surfaces (RISs) and fluid antennas (FAs) are key technologies for enhancing spatial degrees of freedom in future wireless networks. However, channel acquisition in RIS-aidedโ€ฆ

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Engineering Preprint PDF DOI

Chatting about Conditional Trajectory Prediction

Yuxiang Zhao, Wei Huang, Haipeng Zeng, Huan Zhao, Yujie Song ยท 2026

Human behavior has the nature of mutual dependencies, which requires human-robot interactive systems to predict surrounding agents trajectories by modeling complex social interactions, avoiding collisโ€ฆ

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Engineering Preprint PDF DOI

EvoMarket: A High-Fidelity and Scalable Financial Market Simulator

Muyao Zhong, Zhenhua Yang, Yuxiang Liu, Ke Tang, Peng Yang ยท 2026

High-fidelity, scalable market simulation is a key instrument for mechanism evaluation, stress testing, and counterfactual policy analysis. Yet existing simulators rarely achieve \emph{mechanism fidelโ€ฆ

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Engineering Preprint PDF DOI

Unmasking the Illusion of Embodied Reasoning in Vision-Language-Action Models

Haiweng Xu, Sipeng Zheng, Hao Luo, Wanpeng Zhang, Ziheng Xi, Zongqing Lu ยท 2026

Recent Vision-Language-Action (VLA) models report impressive success rates on standard robotic benchmarks, fueling optimism about general-purpose physical intelligence. However, recent evidence suggesโ€ฆ

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Engineering Preprint PDF DOI

EcoTIM: Fuel-saving multi-brand tillage with ISO 11783 TIM

Ruben Hefele, Timo Oksanen ยท 2026

Tillage operations account for a large share of on-farm diesel consumption, yet the fuel efficiency of the combined tractor-implement system is not optimised in current practice. Modern continuously vโ€ฆ

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Engineering Preprint PDF DOI

Quantitative Verification of Constrained Occupation Time for Stochastic Discrete-time Systems

Bai Xue, Peixin Wang, C.-H. Luke Ong ยท 2026

This paper addresses the quantitative verification of constrained occupation time in stochastic discrete-time systems, focusing on the probability of visiting a target set at least $k$ times while maiโ€ฆ

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Engineering Preprint PDF DOI

SpaceDex: Generalizable Dexterous Grasping in Tiered Workspaces

Wensheng Wang, Chuanjun Guo, Wei Wei, Tong Wu, Ning Tan ยท 2026

Generalizable grasping with high-degree-of-freedom (DoF) dexterous hands remains challenging in tiered workspaces, where occlusion, narrow clearances, and height-dependent constraints are substantiallโ€ฆ

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Engineering Preprint PDF DOI

StableIDM: Stabilizing Inverse Dynamics Model against Manipulator Truncation via Spatio-Temporal Refinement

Kerui Li, Zhe Jing, Xiaofeng Wang, Zheng Zhu, Yukun Zhou, Guan Huang, Dongze Li, Qingkai Yang, Huaibo Huang ยท 2026

Inverse Dynamics Models (IDMs) map visual observations to low-level action commands, serving as central components for data labeling and policy execution in embodied AI. However, their performance degโ€ฆ

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Engineering Preprint PDF DOI

ST-$\pi$: Structured SpatioTemporal VLA for Robotic Manipulation

Chuanhao Ma, Hanyu Zhou, Shihan Peng, Yan Li, Tao Gu, Luxin Yan ยท 2026

Vision-language-action (VLA) models have achieved great success on general robotic tasks, but still face challenges in fine-grained spatiotemporal manipulation. Typically, existing methods mainly embeโ€ฆ

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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 ยท 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 methโ€ฆ

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Movable-Antenna Enabled Robust Vehicular Consumer Networks Under Imperfect CSI

Xuhui Zhang, Chunjie Wang, Wenchao Liu, Huijun Xing, Jinke Ren, Zheng Xing, Yanyan Shen ยท 2026

The accelerating advancement of intelligent transportation systems has established consumer-oriented vehicular networks (CVNs) as a critical infrastructure for next-generation connected mobility. Howeโ€ฆ

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Building Low-Altitude Communication Networks: A Digital Twin-Based Optimization Framework

Boqun Huang, Yancheng Wang, Wei Guo, Zhaojie Guo, Di Wu, Ran Li, Dayang Liu, Wanshun Lan, Chuan Huang, Shuguang Cui ยท 2026

Low-altitude communication networks (LACNs) serve as the critical infrastructure of the emerging low-altitude economy (LAE), supporting services such as drone delivery and infrastructure inspection. Hโ€ฆ

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Trajectory-Based Optimization for Air Traffic Control in the Terminal Maneuvering Area

Yutian Pang, Daniel Delahaye, John-Paul Clarke ยท 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-dโ€ฆ

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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

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OmniVLA-RL: A Vision-Language-Action Model with Spatial Understanding and Online RL

Haoxiang Jie, Yaoyuan Yan, Xiangyu Wei, Kailin Wang, Hongjie Yan, Zhiyou Heng, Daocheng Chen ยท 2026

Visual-Language-Action (VLA) models represent a paradigm shift in embodied AI, yet existing frameworks often struggle with imprecise spatial perception, suboptimal multimodal fusion, and instability iโ€ฆ

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RIS-Assisted Cell-Free Massive MIMO: RIS-MS Selection in FR1 and FR3

Alejandro de la Fuente, Fernando Galindo, Uriel Garcia-Barbulo, Sandra-Noemy Arana-Alegre, Jan Garcia-Morales ยท 2026

This paper explores the integration of reconfigurable intelligent surfaces (RISs) into cell-free massive multiple-input-multiple-output (CF-mMIMO) networks operating in FR1 and FR3 frequency bands. Weโ€ฆ

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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 ยท 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 prโ€ฆ

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$\mu$-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 ยท 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 probโ€ฆ

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Engineering Preprint PDF DOI

An Innovation-Based Approach to Detect Stealthy Disturbance Attacks in Maritime Monitoring

Gabriele Oliva, Bianca Mazza, Roberto Setola ยท 2026

Modern maritime navigation and control systems rely on digital sensing, estimation, and communication pipelines that fuse GNSS, radar, inertial, and AIS data through approaches such as Kalman-filter-bโ€ฆ

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