Expertini Research Research

Browse Research Papers

32,423+ open-access research outputs.

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

Scheduling Analysis of UAV Flight Control Workloads using Raspberry Pi 5 Using PREEMPT_RT Linux

Luiz Giacomossi, H{aa}kan Forsberg, Ivan Tomasic, Baran Curuklu, Tommaso Cucinotta ยท 2026

Modern UAV architectures increasingly aim to unify high-level autonomy and low-level flight control on a single General-Purpose Operating System (GPOS). However, complex multi-core System-on-Chips (Soโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Sparsification of Precoding Codebooks for PAPR Reduction via Grassmannian Representations

Joe Asano, Yuto Hama, Hiroki Iimori, Szabolcs Malomsoky, Naoki Ishikawa ยท 2026

In this letter, we propose a sparsification method for precoding codebooks that reduces the peak-to-average power ratio (PAPR) while preserving the achievable rate. By exploiting the fact that precodeโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Reinforcement Learning Enabled Adaptive Multi-Task Control for Bipedal Soccer Robots

Yulai Zhang, Yinrong Zhang, Ting Wu, Linqi Ye ยท 2026

Developing bipedal football robots in dynamiccombat environments presents challenges related to motionstability and deep coupling of multiple tasks, as well ascontrol switching issues between differenโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

RoboWM-Bench: A Benchmark for Evaluating World Models in Robotic Manipulation

Feng Jiang, Yang Chen, Kyle Xu, Yuchen Liu, Haifeng Wang, Zhenhao Shen, Jasper Lu, Shengze Huang, Yuanfei Wang, Chen Xie, Ruihai Wu ยท 2026

Recent advances in large-scale video world models have enabled increasingly realistic future prediction, raising the prospect of leveraging imagined videos for robot learning. However, visual realism โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Differentiable Satellite Constellation Configuration via Relaxed Coverage and Revisit Objectives

Shreeyam Kacker, Kerri Cahoy ยท 2026

Satellite constellation design requires optimizing orbital parameters across multiple satellites to maximize mission specific metrics. For many types of mission, it is desirable to maximize coverage aโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Quantitative Verification of Finite-Time Constrained Occupation Measures for Continuous-time Stochastic Systems

Bai Xue, C.-H. Luke Ong ยท 2026

This paper addresses the quantitative verification of finite-time constrained occupation time for stochastic continuous-time systems governed by stochastic differential equations (SDEs). Unlike classiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

ExplainS2A: Explainable Spectral-Spatial Duality Model for Fast Transforming Sentinel-2 Image to AVIRIS-Level Hyperspectral Image

Chia-Hsiang Lin, Zi-Chao Leng ยท 2026

Mainstream optical satellites often acquire multispectral multi-resolution images, which have limited material identifiability compared to the HSIs. Thus, spectrally super-resolving the MSI into theirโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

HALO: Hybrid Auto-encoded Locomotion with Learned Latent Dynamics, Poincar\'e Maps, and Regions of Attraction

Blake Werner, Sergio A. Esteban, Massimiliano De Sa, Max H. Cohen, Aaron D. Ames ยท 2026

Reduced-order models are powerful for analyzing and controlling high-dimensional dynamical systems. Yet constructing these models for complex hybrid systems such as legged robots remains challenging. โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Multiscale Structural Reliability Analysis in high dimensions with Tensor Trains and Physics-Augmented Neural Networks

Aryan Tyagi, Alex de Beer, Tiangang Cui, Jan N. Fuhg ยท 2026

Structural reliability evaluation for composites constitutes a fundamentally high-dimensional multiscale problem, as microscale material uncertainties must propagate to the macroscale and can be quantโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Hybrid SMI Realization via Matrix Completion and Riemannian Manifold Optimization on Narrowband Sub-Array Based Architectures

Tarun Suman Cousik, Rohit Rangaraj, Nishith Tripathi, Jeffrey H Reed, Daniel Jakubisin, Jon Kraft ยท 2026

Hybrid beamforming architectures reduce hardware complexity but restrict access to full array observations, rendering direct implementation of classical covariance based methods such as minimum varianโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A Controlled Benchmark of Visual State-Space Backbones with Domain-Shift and Boundary Analysis for Remote-Sensing Segmentation

Nichula Wasalathilaka, Dineth Perera, Oshadha Samarakoon, Buddhi Wijenayake, Roshan Godaliyadda, Vijitha Herath, Parakrama Ekanayake ยท 2026

Visual state-space models (SSMs) are increasingly promoted as efficient alternatives to Vision Transformers, yet their practical advantages remain unclear under fair comparison because existing studieโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

On the Effect of Quadratic Regularization in Direct Data-Driven LQR

Manuel Kladtke, Feiran Zhao, Florian Dorfler, Moritz Schulze Darup ยท 2026

This paper proposes an explainability concept for direct data-driven linear quadratic regulation (LQR) with quadratic regularization. Our perspective follows the parametric effect of regularization, aโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Grid-Supporting Equipment Supply Chains Constrain the Feasible Pace of Power System Expansion

Boyu Yao, Yury Dvorkin ยท 2026

Power system expansion depends on the equipment required to connect, convert, regulate, and condition electricity, yet grid-supporting equipment (GSE) is rarely modeled as an explicit constraint. We dโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Composite Control of Grid-Following Inverters for Stabilizing AI-Induced Fast Power Disturbances

Miroslav Kosanic, Marija Ilic ยท 2026

AI data center loads create query-driven power transients on millisecond timescales. Such loads can violate the timescale separation assumptions underlying internal inverter control of grid-following โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

RSMA-Aided Full-Duplex Networks Under Imperfect CSI and SIC: Performance Evaluation

Farjam Karim, Nurul Huda Mahmood, Deepak Kumar, Arthur Sousa de Sena, Matti-Latva-aho ยท 2026

This work investigates a full-duplex (FD)-enhanced Rate-Splitting Multiple Access (RSMA) system under practical constraints, including imperfect channel state information (CSI) and successive interferโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

EmbodiedLGR: Integrating Lightweight Graph Representation and Retrieval for Semantic-Spatial Memory in Robotic Agents

Paolo Riva, Leonardo Gargani, Matteo Frosi, Matteo Matteucci ยท 2026

As the world of agentic artificial intelligence applied to robotics evolves, the need for agents capable of building and retrieving memories and observations efficiently is increasing. Robots operatinโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Impact of CSIR, SIC, and Hardware Impairments on the Ergodic Rate of Downlink RSMA

Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa, Nurul Huda Mahmood, Arthur Sousa de Sena, Matti Latva-aho ยท 2026

This work investigates the ergodic rate performance analysis of rate-splitting multiple access (RSMA) in a downlink communication system under practical impairments. Closed-form expressions are deriveโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Passive RIS Is Not Silent: Revisiting Performance Limits Under Thermal Noise

Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa, Nurul Huda Mahmood, Arthur Sousa de Sena, Matti-Latva-aho ยท 2026

Reconfigurable intelligent surfaces (RISs) have emerged as a promising solution for enabling energy-efficient and flexible spectrum usage in wireless communication, particularly in the context of sixtโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Cram\'{e}r-Rao Bound Optimization for Near-Field ISAC with Extended Targets

Zongyao Zhao, Zhaolin Wang, Lincong Han, Liang Xu, Jing Jin, Yuanwei Liu, Kaibin Huang ยท 2026

Near-field integrated sensing and communication (ISAC) requires target models beyond the point-target abstraction when the target has a non-negligible spatial extent. In this letter, a geometry-aware โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Geometry-Aware Networking for Low-Altitude Economy: Movable Antennas in Space-Air-Ground Integrated Systems

Heyou Liu, Bang Huang, Mohamed-Slim Alouini ยท 2026

Space--air--ground integrated networks (SAGINs) are emerging as a key foundation for future non-terrestrial networks (NTNs) and low-altitude economy services. However, their performance is increasinglโ€ฆ

Read Paper โ†’
โ† Prev Page 9 of 1622 Next โ†’