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๐Ÿ” chi zhang ๐Ÿ“‚ Engineering
Showing 428 results for "chi zhang" in Engineering
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 ยท 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.โ€ฆ

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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

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Engineering Preprint PDF DOI

A Novel CSI-RS Reporting Scheme for RIS Optimization in O-RAN-based NextG Networks

Ali Fuat Sahin, Sefa Kayraklik, Ali Gorcin, Ibrahim Hokelek, Ertugrul Basar, Halim Yanikomeroglu ยท 2026

Reconfigurable intelligent surface (RIS) technology is a promising enabler for next-generation (NextG) wireless systems, capable of dynamically shaping the propagation environment. Integrating RIS witโ€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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Engineering Preprint PDF DOI

Data-Driven Reachability Analysis Using Matrix Perturbation Theory

Peng Xie, Abdulla Fawzy, Zhen Zhang, Amr Alanwar ยท 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 deriโ€ฆ

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Engineering Preprint PDF DOI

Generative Design for Direct-to-Chip Liquid Cooling for Data Centers

Zheng Liu ยท 2026

Rapid growth in artificial intelligence (AI) workloads is driving up data center power densities, increasing the need for advanced thermal management. Direct-to-chip liquid cooling can remove heat effโ€ฆ

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Engineering Preprint PDF DOI

Measurement-Based Ultra-Massive MIMO Statistical Channel Characterization and System Performance Evaluation for UMi Environments at 15 GHz FR3 Spectrum

Panpan Shi, Yang Wang, Xi Liao, Tianhao Li, Jiliang Zhang, Jie Zhang ยท 2026

This paper presents a detailed measurement campaign and a comprehensive analysis of 15 GHz ultra-massive multiple-input multiple-output (UM-MIMO) channels tailored for the urban microcell (UMi) enviroโ€ฆ

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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 ยท 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 trainโ€ฆ

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Engineering Preprint PDF DOI

Adaptive High-Speed Radar Signal Processing Architecture for 3D Localization of Multiple Targets on System on Chip

Aakanksha Tewari, Jai Mangal, Sumit J Darak, Shobha Sundar Ram, Arnav Shukla ยท 2026

Integrated Sensing and Communication (ISAC) is a key enabler of high speed, ultra low latency vehicular communication in 6G. ISAC leverages radar signal processing (RSP) to localize multiple unknown tโ€ฆ

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Engineering Preprint PDF DOI

Communication-Aware Dissipative Output Feedback Control

Ingyu Jang, Leila J. Bridgeman ยท 2026

Communication-aware control is essential to reduce costs and complexity in large-scale networks. This work proposes a method to design dissipativity-augmented output feedback controllers with reduced โ€ฆ

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Engineering Preprint PDF DOI

Dual Agreement Consistency Learning with Foundation Models for Semi-Supervised Fetal Heart Ultrasound Segmentation and Diagnosis

Fangyijie Wang, Guenole Silvestre, Kathleen M. Curran ยท 2026

Congenital heart disease (CHD) screening from fetal echocardiography requires accurate analysis of multiple standard cardiac views, yet developing reliable artificial intelligence models remains challโ€ฆ

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Engineering Preprint PDF DOI

A Baseline Mobility-Aware IRS-Assisted Uplink Framework With Energy-Detection-Based Channel Allocation

Ardavan Rahimian ยท 2026

This paper develops a self-contained framework for studying a mobility-aware intelligent reflecting surface (IRS)-assisted multi-node uplink under simplified but explicit modeling assumptions. The conโ€ฆ

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Engineering Preprint PDF DOI

From Passive Monitoring to Active Defence: Resilient Control of Manipulators Under Cyberattacks

Gabriele Gualandi, Alessandro V. Papadopoulos ยท 2026

Cyber-physical robotic systems are vulnerable to false data injection attacks (FDIAs), in which an adversary corrupts sensor signals while evading residual-based passive anomaly detectors such as the โ€ฆ

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Engineering Preprint PDF DOI

Rethinking Gaussian Trajectory Predictors: Calibrated Uncertainty for Safe Planning

Fatemeh Cheraghi Pouria, Mahsa Golchoubian, Katherine Driggs-Campbell ยท 2026

Accurate trajectory prediction is critical for safe autonomous navigation in crowded environments. While many trajectory predictors output Gaussian distributions to represent the multi-modal distributโ€ฆ

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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 ยท 2026

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

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Engineering Preprint PDF DOI

The More the Merrier: Running Multiple Neuromorphic Components On-Chip for Robotic Control

Evan Eames, Priyadarshini Kannan, Ronan Sangouard, Philipp Plank, Elvin Hajizada, Gintautas Palinauskas, Lana Amaya, Michael Neumeier, Sai Thejeshwar Sharma, Marcella Toth, Prottush Sarkar, Axel von Arnim ยท 2026

It has long been realized that neuromorphic hardware offers benefits for the domain of robotics such as low energy, low latency, as well as unique methods of learning. In aiming for more complex tasksโ€ฆ

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Engineering Preprint PDF DOI

$\chi_{0}$: Resource-Aware Robust Manipulation via Taming Distributional Inconsistencies

Checheng Yu, Chonghao Sima, Gangcheng Jiang, Hai Zhang, Haoguang Mai, Hongyang Li, Huijie Wang, Jin Chen, Kaiyang Wu, Li Chen, Lirui Zhao, Modi Shi, Ping Luo, Qingwen Bu, Shijia Peng, Tianyu Li, Yibo Yuan ยท 2026

High-reliability long-horizon robotic manipulation has traditionally relied on large-scale data and compute to understand complex real-world dynamics. However, we identify that the primary bottleneck โ€ฆ

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Engineering Preprint PDF DOI

Orientation-Robust Latent Motion Trajectory Learning for Annotation-free Cardiac Phase Detection in Fetal Echocardiography

Yingyu Yang, Qianye Yang, Can Peng, Elena D'Alberti, Olga Patey, Aris T. Papageorghiou, J.Alison Noble ยท 2026

Fetal echocardiography is essential for detecting congenital heart disease (CHD), facilitating pregnancy management, optimized delivery planning, and timely postnatal interventions. Among standard imaโ€ฆ

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Engineering Preprint PDF DOI

Towards uncertainty quantification of a model for cancer-on-chip experiments

Silvia Bertoluzza, Vittoria Bianchi, Gabriella Bretti, Lorenzo Tamellini, Pietro Zanotti ยท 2026

This study is a first step towards using data-informed differential models to predict and control the dynamics of cancer-on-chip experiments. We consider a conceptualized one-dimensional device, contaโ€ฆ

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Engineering Preprint PDF DOI

Cognitive-Flexible Control via Latent Model Reorganization with Predictive Safety Guarantees

Thanana Nuchkrua, Sudchai Boonto ยท 2026

Learning-enabled control systems must maintain safety when system dynamics and sensing conditions change abruptly. Although stochastic latent-state models enable uncertainty-aware control, most existiโ€ฆ

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