Blar i NTNU Open på forfatter "Li, Guoyuan"
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A bézier curve based ship trajectory optimization for close-range maritime operations
Li, Guoyuan; Zhang, Houxiang (Chapter, 2017)Ship maneuvering in close-range maritime operations is challenging for pilots, since they have to not only prevent the ship from collisions and compensate environmental impacts, but also steer it close to the target towards ... -
A data-driven sensitivity analysis approach for dynamically positioned vessels
Cheng, Xu; Skulstad, Robert; Li, Guoyuan; Chen, Shengyong; Hildre, Hans Petter; Zhang, Houxiang (Chapter, 2018) -
A decentralized sensor fusion approach to human fatigue monitoring in maritime operations
Ana, Mateus Sant’; Li, Guoyuan; Zhang, Houxiang (Chapter, 2019)Human fatigue is one of the main causes of accidents in maritime domain. How to use physiological data to estimate degree of human fatigue without medical domain knowledge is significant to the safety of tasks in maritime ... -
A Neural Network Approach to Control Allocation of Ships for Dynamic Positioning
Skulstad, Robert; Li, Guoyuan; Zhang, Houxiang; Fossen, Thor I. (Journal article; Peer reviewed, 2018)Dynamic Positioning (DP) of ships is a control mode that seeks to maintain a specific position (stationkeeping) or perform low-speed maneuvers. In this paper, a static Neural Network (NN) is proposed for control allocation ... -
A Neural Network-Based Sensitivity Analysis Approach for Data-Driven Modeling of Ship Motion
Cheng, Xu; Li, Guoyuan; Skulstad, Robert; Chen, Shengyong; Hildre, Hans Petter; Zhang, Houxiang (Journal article; Peer reviewed, 2018)Researchers have been investigating data-driven modeling as a key way to achieve ship intelligence for years. This paper presents a novel data analysis approach to data-driven modeling of ship motion. We propose a global ... -
A Screw-less Solution for Snake-like Robot Assembly and Sensor Integration
Li, Guoyuan; Verdru, Peter; Li, Wei; Zhang, Houxiang; Gomez, Juan Gonzalez (Chapter, 2017)Assembly or repair of snake-like robots are often time consuming and low efficiency. This paper presents a novel approach for module improvement that can efficiently integrate sensors, micro-controllers and batteries into ... -
A Step-wise Feature Selection Scheme for a Prognostics and Health Management System in Autonomous Ferry Crossing Operation
Cheng, Xu; Ellefsen, Andre; Li, Guoyuan; Holmeset, Finn Tore; Chen, Shengyong; Zhang, Houxiang (Chapter, 2019)Developing a reliable algorithm to detect faults automatically within critical components in autonomous ferries is essential for safe and cost-beneficial maritime operations. Autonomous ferries are equipped with hundreds ... -
A SVM-based Sensitivity Analysis Approach for Data-Driven Modeling of Ship Motion
Wang, Chunlin; Cheng, Xu; Chen, Shengyong; Li, Guoyuan; Zhang, Houxiang (Chapter, 2018)This paper presents a novel method that combines support vector machine (SVM) with sensitivity analysis (SA) to analyze sensor data for ship motion modeling. In order to investigate how each model input contributes to the ... -
Adaptive Data-driven Predictor of Ship Maneuvering Motion Under Varying Ocean Environments
Wang, Tongtong; Skulstad, Robert; Kanazawa, Motoyasu; Hatledal, Lars Ivar; Li, Guoyuan; Zhang, Houxiang (Chapter, 2022)Modern marine vessels operate increasingly autonomously, enabled by the strong interaction between data acquisition and analysis. The data-driven technology has been widely applied and significantly benefits maritime ... -
An efficient neural-network based approach to automatic ship docking
Shuai, Yonghui; Li, Guoyuan; Cheng, Xu; Skulstad, Robert; Xu, jinshan; Liu, Honghai; Zhang, Houxiang (Journal article; Peer reviewed, 2019)Automatic ship docking is one of the applications of autonomous ships. How to realize autonomous low-speed maneuver under environmental disturbances for docking is the fundamental problem at present. This paper presents ... -
Analysis and evaluation of eye behavior for marine operation training - A pilot study
Mao, Runze; Li, Guoyuan; Hildre, Hans Petter; Zhang, Houxiang (Journal article; Peer reviewed, 2019)his paper presents a new analysis approach for evaluating situation awareness in marine operation training. Taking advantage of eye tracking technology, the situation awareness reflected by visual attention can be visualized ... -
Assessment of Relations Between Communications and Visual Focus in Dynamic Positioning Operations
Pan, Yushan; Li, Guoyuan; Monteiro, Thiago Gabriel; Hildre, Hans Petter; Nistad, Steinar (Chapter, 2018) -
Automated Modal Parameters Identification During Ice-Structure Interactions
Wang, Chunlin; Nord, Torodd Skjerve; Li, Guoyuan (Chapter, 2022)Offshore structures are prone to damage caused by ice-induced vibrations. It is presently unknown to what extent different ice conditions change the properties of the structure, such as natural frequency, damping ratio, ... -
Bio-Inspired Locomotion Control of Limbless Robots
Li, Guoyuan; Zhang, Houxiang; Zhang, Jianwei (Book, 2023)This book presents a bio-inspired hierarchical control scheme step by step toward developing limbless robots capable of 3D locomotion, fast reflex response, as well as sophisticated reaction to environmental stimuli. This ... -
Bionic flapping pectoral fin with controllable spatial deformation
Cai, Yueri; Chen, Lingkun; Bi, Shusheng; Li, Guoyuan; Zhang, Houxiang (Journal article; Peer reviewed, 2019)This paper presents the design of a bionic pectoral fin with fin rays driven by multi-joint mechanism. Inspired by the cownose ray, the bionic pectoral fin is modeled and simplified based on the key structure and movement ... -
A Co-operative Hybrid Model For Ship Motion Prediction
Skulstad, Robert; Li, Guoyuan; Fossen, Thor I.; Wang, Tongtong; Zhang, Houxiang (Peer reviewed; Journal article, 2021)Dynamic models of ships have been widely used for model-based control and short-term prediction in the past. Identifying the parameters of such models has mainly been done through scaled model tests, full scale tests or ... -
Co-simulation as a Fundamental Technology for Twin Ships
Hatledal, Lars Ivar; Skulstad, Robert; Li, Guoyuan; Styve, Arne; Zhang, Houxiang (Peer reviewed; Journal article, 2020)The concept of digital twins, characterized by the high fidelity with which they mimic their physical counterpart, provide potential benefits for the next generation of advanced ships. It allows analysis of data and ... -
Co-simulation-based Pre-training of a Ship Trajectory Predictor
Kanazawa, Motoyasu; Hatledal, Lars Ivar; Li, Guoyuan; Zhang, Houxiang (Chapter, 2022)A ship trajectory predictor plays a key role in the predictive decision making of intelligent marine transportation. For better prediction performance, the biggest technical challenge is how we incorporate prior knowledge, ... -
A Co-simulation-Based System Using Vico for Marine Operation
Liu, Zizheng; Chu, Yingguang; Li, Guoyuan; Zhang, Houxiang (Chapter, 2023)Marine operations are becoming more and more demanding. Efficient modeling and analysis of marine operations under environmental effects, especially in high sea states, will provide a means to improve operational safety. ... -
Component-Based Simulator for Modelling the Design and Dynamics of Modular Robots
Lenerand, Torstein Sundnes (Master thesis, 2018)This project presents the design of a component-based simulator used for modelling the design and movement of chain-based modular robots. This work is in collaboration with NTNU Ålesund and implemented in the Unity® game ...