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

Asymptotically Stable Gait Generation and Instantaneous Walkability Determination for Planar Almost Linear Biped with Knees

Fumihiko Asano, Ning Lei, Taiki Sedoguchi ยท 2026

A class of planar bipedal robots with unique mechanical properties has been proposed, where all links are balanced around the hip joint, preventing natural swinging motion due to gravity. A common proโ€ฆ

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Engineering Preprint PDF DOI

Secrecy Performance Analysis of Pinching-Antenna Systems Under Pinching-Position Uncertainty

Saeid Pakravan, Imene Trigui, Wessam Ajib, Wei-Ping Zhu ยท 2026

This paper investigates the secrecy performance of pinching-antenna systems (PAS) under practical pinching-position activation uncertainty. By dynamically selecting the radiation point along a dielectโ€ฆ

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Engineering Preprint PDF DOI

Ternary Logic Encodings of Temporal Behavior Trees with Application to Control Synthesis

Ryan Matheu, John S. Baras, Calin Belta ยท 2026

Behavior Trees (BTs) provide designers an intuitive graphical interface to construct long-horizon plans for autonomous systems. To ensure their correctness and safety, rigorous formal models and verifโ€ฆ

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Engineering Preprint PDF DOI

Scalable Optimization for Mobility-Aware Coordinated Electric Vehicle Charging in Distribution Power Networks

Yi Ju, Lunlong Li, Jingchun Wang, Scott Moura ยท 2026

Rapid growth in electric-vehicle (EV) charging demand is placing increasing stress on distribution power networks (DPNs), whose hosting capacity is often limited and spatially uneven. Beyond demonstraโ€ฆ

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Engineering Preprint PDF DOI

Layered Control of Partially Observed Stochastic Systems

Charis Stamouli, Anastasios Tsiamis, George J. Pappas ยท 2026

Layered control is essential for managing complexity in large-scale systems, employing progressively coarser models at higher layers. While significant advances have been made for fully observable sysโ€ฆ

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Engineering Preprint PDF DOI

A frame-theoretic two-dimensional multi-window graph fractional Fourier transform for product graph signal analysis

Linbo Shang ยท 2026

The analysis of multi-dimensional graph signals on complex structured domains remains a fundamental challenge,โ€ฆ

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Engineering Preprint PDF DOI

Disentangled Point Diffusion for Precise Object Placement

Lyuxing He, Eric Cai, Shobhit Aggarwal, Jianjun Wang, David Held ยท 2026

Recent advances in robotic manipulation have highlighted the effectiveness of learning from demonstration. However, while end-to-end policies excel in expressivity and flexibility, they struggle both โ€ฆ

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Engineering Preprint PDF DOI

StarVLA-$\alpha$: Reducing Complexity in Vision-Language-Action Systems

Jinhui Ye, Ning Gao, Senqiao Yang, Jinliang Zheng, Zixuan Wang, Yuxin Chen, Pengguang Chen, Yilun Chen, Shu Liu, Jiaya Jia ยท 2026

Vision-Language-Action (VLA) models have recently emerged as a promising paradigm for building general-purpose robotic agents. However, the VLA landscape remains highly fragmented and complex: as exisโ€ฆ

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Engineering Preprint PDF DOI

Angle-based Localization and Rigidity Maintenance Control for Multi-Robot Networks

J. Francisco Presenza, Leonardo J. Colombo, Juan I. Giribet, Ignacio Mas ยท 2026

In this work, we study angle-based localization and rigidity maintenance control for multi-robot networks. First, we establish the relationship between angle rigidity and bearing rigidity considering โ€ฆ

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Koopman Representations for Non-Vanishing Time Intervals: An Optimization Approach and Sampling Effects

Younghwan Cho, Richard Sowers ยท 2026

Koopman operator theory is a key tool in data assimilation of complex dynamical systems, with the potential to be applied to multimodal data. We formulate the problem of learning Koopman eigenfunctionโ€ฆ

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Data Poisoning Attacks on Informativity for Observability: Invariance-Based Synthesis

Iori Takaki, Ahmet Cetinkaya, Hideaki Ishii ยท 2026

This paper studies cyber attacks against informativity-based analysis in data-driven control. Focusing on strong observability, we consider an adversary who post-processes finite time-series data by aโ€ฆ

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Detectability of Subtle Anomalies in Dynamical Systems via Log-Likelihood Ratio

Alejandro Penacho Riveiros, Matthieu Barreau, Nicola Bastianello ยท 2026

Industrial control applications require detecting system anomalies as accurately and quickly as possible to enable prompt maintenance. In this context, it is common to consider several possible plant โ€ฆ

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Distributed State Estimation for Discrete-Time Systems With Unknown Inputs: An Optimization Approach

Ruixuan Zhao, Guitao Yang, Nicola Bastianello, Boli Chen ยท 2026

This paper proposes a novel Distributed Unknown Input Observer (DUIO) framework for state estimation in large-scale systems subject to local unknown inputs. We consider systems where outputs are measuโ€ฆ

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Wideband Sensing with Dynamic Metasurface Antennas under Realistic Phase Response Modeling

Ioannis Gavras, George C. Alexandropoulos ยท 2026

This paper investigates the impact of practical features of the emerging antenna array technology of Dynamic Metasurface Antennas (DMAs) when used for wideband sensing. By adopting a realistic DMA resโ€ฆ

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A Study on the Controllability of Lithium-Ion Batteries

Preston T. Abadie, Donald J. Docimo ยท 2026

This work explores controllability and the control effort required for lithium-ion batteries. Battery packs have become a critical technology in both personal and professional applications as a means โ€ฆ

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Stream-Adaptive Quantization and Power Allocation in Fronthaul-Constrained MIMO Systems

Ozlem Tugfe Demir, Emil Bjornson ยท 2026

Many wireless systems divide the baseband processing between two locations, interconnected by a fronthaul. This paper examines the impact of fronthaul quantization on multiple-input multiple-output (Mโ€ฆ

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To Learn or Not to Learn: A Litmus Test for Using Reinforcement Learning in Control

Victor Schulte, Michael Eichelbeck, Matthias Althoff ยท 2026

Reinforcement learning (RL) can be a powerful alternative to classical control methods when standard model-based control is insufficient, e.g., when deriving a suitable model is intractable or impossiโ€ฆ

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Cram\'er-Rao Bound Analysis of Bistatic ISAC Under Partial Symbol Knowledge and Clutter

Steven Rivetti, Gabor Fodor, Emil Bjornson, Mikael Skoglund ยท 2026

Integrated sensing and communication (ISAC) systems rely on communication waveforms to perform sensing tasks, thus making their sensing performance strongly dependent on the level of communication symโ€ฆ

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Dyadic Partnership(DP): A Missing Link Towards Full Autonomy in Medical Robotics

Nassir Navab, Zhongliang Jiang ยท 2026

For the past decades medical robotic solutions were mostly based on the concept of tele-manipulation. While their design was extremely intelligent, allowing for better access, improved dexterity, reduโ€ฆ

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BIND-USBL: Bounding IMU Navigation Drift using USBL in Heterogeneous ASV-AUV Teams

Pranav Kedia, Rajini Makam, Heiko Hamann, Suresh Sundaram ยท 2026

Accurate and continuous localization of Autonomous Underwater Vehicles (AUVs) in GPS-denied environments is a persistent challenge in marine robotics. In the absence of external position fixes, AUVs rโ€ฆ

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