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Shuqi Zhang, Tong Zhi, Hongbo Zhang, Chiheng Dang, Congcong Yao, Dengrui Mu, Fengguang Lyu, Yu Zhang and Shangdong Liu
The hydrological series in the Loess Plateau region has exhibited shifts in trend, mean, and/or variance as the environmental conditions have changed, indicating a departure from the assumption of stationarity. As the variations accumulate, the compound ...
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Xiaobin Qian, Helong Shen, Yong Yin and Dongdong Guo
In this paper, we present a novel nonlinear model predictive control (NMPC) algorithm based on the Laguerre function for dynamic positioning ships to solve the problems of input saturation, unknown time-varying disturbances, and heavy computation. The no...
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Ninghao Shi, Yingze Zhao, Baixuan Zhao, Kaifeng Zheng, Yupeng Chen, Yuxin Qin, Weibiao Wang, Jinguang Lv and Jingqiu Liang
Infrared multispectral imaging technology can achieve the long-distance, wide-ranging and fast detection of target gas, and has been widely used in the fields of dangerous-gas detection and environmental monitoring. However, due to the difficulty in acqu...
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Min-Kyu Kim, Jong-Hwa Kim and Hyun Yang
In this study, basic research was conducted regarding the era of autonomous vessels and artificial intelligence (deep learning, big data, etc.). When a vessel is navigating autonomously, it must determine the optimal route by itself and accurately follow...
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Yung-Hsiang Chen, Ming-Zhen Ellis-Tiew, Yu-Hsiang Chan, Guan-Wun Lin and Yung-Yue Chen
We propose a robust nonlinear trajectory tracking design by integrating a nonlinear model transformation, robust disturbance eliminator, and trajectory generator for unmanned surface vessels influenced by modeling uncertainties and ocean environmental di...
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Guoquan Xiao, Guihong Zheng, Chao Tong and Xiaobin Hong
An overall framework of the virtual testing system has been established based on the analysis of the virtual testing requirements for autonomous navigation performance of unmanned surface vehicles (USVs). This system consists of several modules, includin...
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Ni Putu Dewi Partini, Mahjus Ekananda
Pág. 26 - 40
The efforts of the G-20 for sustainable development continue to be pursued in order to improve human welfare while reducing pressure on ecological resources. The ecological footprint is used as a more comprehensive measure that can see the pressure on th...
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Cong Nie, Dongming Zhang, Linghan Ouyang, Xu Huang, Bo Zhang and Yue Tong
Undercrossing construction can cause severe structural deformation of the above existing tunnel in operation. The induced longitudinal differential settlement between the segments can pose a huge risk to running subways, hence it is of great importance t...
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Yi Ren, Lei Zhang, Wenbin Huang and Xi Chen
This study describes a circular curve path-following controller for an underactuated unmanned surface vessel (USV) experiencing unmodeled dynamics and external disturbances. Initially, a three degrees of freedom kinematic model of the USV is proposed for...
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Alice De Oliveira and Michèle Lavagna
This paper introduces a Reusable Launch Vehicle (RLV) descent dynamics simulator coupled with closed-loop guidance and control (G&C) integration. The studied vehicle?s first-stage booster, evolving in the terrestrial atmosphere, is steered by a Thrus...
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