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🔍 ya zhang 📂 Engineering 📄 Preprint
Showing 62 results for "ya zhang" in Engineering · Preprint
Engineering Preprint PDF DOI

Navigating the Clutter: Waypoint-Based Bi-Level Planning for Multi-Robot Systems

Jiabao Ji, Yongchao Chen, Yang Zhang, Ramana Rao Kompella, Chuchu Fan, Gaowen Liu, Shiyu Chang · 2026

Multi-robot control in cluttered environments is a challenging problem that involves complex physical constraints, including robot-robot collisions, robot-obstacle collisions, and unreachable motions.…

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Engineering Preprint PDF DOI

Data-Driven Reachability Analysis Using Matrix Perturbation Theory

Peng Xie, Abdulla Fawzy, Zhen Zhang, Amr Alanwar · 2026

We propose a matrix zonotope perturbation framework that leverages matrix perturbation theory to characterize how noise-induced distortions alter the dynamics within sets of models. The framework deri…

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Engineering Preprint PDF DOI

Second Order Physics-Informed Learning of Road Density using Probe Vehicles

S. Betancur Giraldo, J. M{aa}rtensson, M. Barreau · 2026

We propose a Physics Informed Learning framework for reconstructing traffic density from sparse trajectory data. The approach combines a second-order Aw-Rascle and Zhang model with a first-order train…

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Engineering Preprint PDF DOI

STRIDE: Post-Training LLMs to Reason and Refine Bio-Sequences via Edit Trajectories

Daiheng Zhang, Shiyang Zhang, Sizhuang He, Yangtian Zhang, Syed Asad Rizvi, David van Dijk · 2026

Discrete biological sequence optimization requires iterative refinement under strict syntactic constraints. Diffusion models offer progressive refinement but do not naturally expose controllable discr…

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Engineering Preprint PDF DOI

TokCom-UEP: Semantic Importance-Matched Unequal Error Protection for Resilient Image Transmission

Kaizheng Zhang, Zuolin Jin, Zhihang Cheng, Ming Zeng, Li Qiao, Zesong Fei · 2025

Based on the provided LaTeX code, here is the metadata for the submission form: Title: TokCom-UEP: Semantic Importance-Matched Unequal Error Protection for Resilient Image Transmission Author(s): Kaiz…

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Engineering Preprint PDF DOI

Event-Triggered Regulation of Mixed-Autonomy Traffic Under Varying Traffic Conditions

Yihuai Zhang, Huan Yu · 2025

Modeling and congestion mitigation of mixed-autonomy traffic systems consisting of human-driven vehicles (HVs) and autonomous vehicles (AVs) have become increasingly critical with the rapid developmen…

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Engineering Preprint PDF DOI

Single-Rod Brachiation Robot: Mechatronic Control Design and Validation of Prejump Phases

Juraj Lieskovsky, Hijiri Akahane, Aoto Osawa, Jaroslav Busek, Ikuo Mizuuchi, Tomas Vyhlidal · 2025

A complete mechatronic design of a minimal configuration brachiation robot is presented. The robot consists of a single rigid rod with gripper mechanisms attached to both ends. The grippers are used t…

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Engineering Preprint PDF DOI

Extensions of a Line-Graph-Based Method for Token Routing in Decentralized Exchanges

Yu Zhang, Claudio J.Tessone · 2025

Decentralized exchanges (DEXs) form a cornerstone of the decentralized finance (DeFi) ecosystem, processing token trades worth billions of dollars daily. Yet, a significant fraction of these trades ar…

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Engineering Preprint PDF DOI

NAMOUnc: Navigation Among Movable Obstacles with Decision Making on Uncertainty Interval

Kai Zhang, Eric Lucet, Julien Alexandre Dit Sandretto, Shoubin Chen, David Filliat · 2025

Navigation among movable obstacles (NAMO) is a critical task in robotics, often challenged by real-world uncertainties such as observation noise, model approximations, action failures, and partial obs…

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Engineering Preprint PDF DOI

From Micro to Macro Flow Modeling: Characterizing Heterogeneity of Mixed-Autonomy Traffic

Chenguang Zhao, Huan Yu · 2025

Most autonomous-vehicles (AVs) driving strategies are designed and analyzed at the vehicle level, yet their aggregate impact on macroscopic traffic flow is still not understood, particularly the flow …

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Engineering Preprint PDF DOI

MolFORM: Preference-Aligned Multimodal Flow Matching for Structure-Based Drug Design

Daiheng Zhang, Zhao Zhang · 2025

Structure-based drug design (SBDD) aims to efficiently discover high-affinity ligands within vast chemical spaces. However, current generative models struggle with objective misalignment and rigid sam…

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Engineering Preprint PDF DOI

CodeDiffuser: Attention-Enhanced Diffusion Policy via VLM-Generated Code for Instruction Ambiguity

Guang Yin, Yitong Li, Yixuan Wang, Dale McConachie, Paarth Shah, Kunimatsu Hashimoto, Huan Zhang, Katherine Liu, Yunzhu Li · 2025

Natural language instructions for robotic manipulation tasks often exhibit ambiguity and vagueness. For instance, the instruction "Hang a mug on the mug tree" may involve multiple valid actions if the…

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Engineering Preprint PDF DOI

A Multimodal Deep Learning Approach for White Matter Shape Prediction in Diffusion MRI Tractography

Yui Lo, Yuqian Chen, Dongnan Liu, Leo Zekelman, Jarrett Rushmore, Yogesh Rathi, Nikos Makris, Alexandra J. Golby, Fan Zhang, Weidong Cai, Lauren J. O'Donnell · 2025

Shape measures have emerged as promising descriptors of white matter tractography, offering complementary insights into anatomical variability and associations with cognitive and clinical phenotypes. …

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Engineering Preprint PDF DOI

X-LRM: X-ray Large Reconstruction Model for Extremely Sparse-View Computed Tomography Recovery in One Second

Guofeng Zhang, Ruyi Zha, Hao He, Yixun Liang, Alan Yuille, Hongdong Li, Yuanhao Cai · 2025

Sparse-view 3D CT reconstruction aims to recover volumetric structures from a limited number of 2D X-ray projections. Existing feedforward methods are constrained by the scarcity of large-scale traini…

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Engineering Preprint PDF DOI

Task-oriented Uncertainty Collaborative Learning for Label-Efficient Brain Tumor Segmentation

Zhenxuan Zhang, Hongjie Wu, Jiahao Huang, Baihong Xie, Zhifan Gao, Junxian Du, Pete Lally, Guang Yang · 2025

Multi-contrast magnetic resonance imaging (MRI) plays a vital role in brain tumor segmentation and diagnosis by leveraging complementary information from different contrasts. Each contrast highlights …

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Engineering Preprint PDF DOI

Pretext Task Adversarial Learning for Unpaired Low-field to Ultra High-field MRI Synthesis

Zhenxuan Zhang, Peiyuan Jing, Coraline Beitone, Jiahao Huang, Zhifan Gao, Guang Yang, Pete Lally · 2025

Given the scarcity and cost of high-field MRI, the synthesis of high-field MRI from low-field MRI holds significant potential when there is limited data for training downstream tasks (e.g. segmentatio…

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Engineering Preprint PDF DOI

A high-order augmented basis positivity-preserving discontinuous Galerkin method for a Linear Hyperbolic Equation

Maurice S. Fabien · 2025

This paper designs a high-order positivity-preserving discontinuous Galerkin (DG) scheme for a linear hyperbolic equation. The scheme relies on augmenting the standard polynomial DG spaces with additi…

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Engineering Preprint PDF DOI

ChemHTS: Hierarchical Tool Stacking for Enhancing Chemical Agents

Zhucong Li, Jin Xiao, Bowei Zhang, Zhijian Zhou, Qianyu He, Fenglei Cao, Jiaqing Liang, Yuan Qi · 2025

Large Language Models (LLMs) have demonstrated remarkable potential in scientific research, particularly in chemistry-related tasks such as molecular design, reaction prediction, and property estimati…

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Engineering Preprint PDF DOI

Performance-Barrier Event-Triggered PDE Control of Traffic Flow

Peihan Zhang, Bhathiya Rathnayake, Mamadou Diagne, Miroslav Krstic · 2025

For stabilizing stop-and-go oscillations in traffic flow by actuating a variable speed limit (VSL) at a downstream boundary of a freeway segment, we introduce event-triggered PDE backstepping designs …

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Engineering Preprint PDF DOI

ASANet: Asymmetric Semantic Aligning Network for RGB and SAR image land cover classification

Pan Zhang, Baochai Peng, Chaoran Lu, Quanjin Huang · 2024

Synthetic Aperture Radar (SAR) images have proven to be a valuable cue for multimodal Land Cover Classification (LCC) when combined with RGB images. Most existing studies on cross-modal fusion assume …

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