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Lina Yu, Dongxin Duan, Kwi-sik Min and Tao Wang
This study presents a groundbreaking approach to evaluating the resilience of China?s blue economy, shedding light on its critical role in promoting sustainable development along the nation?s coastlines. By employing advanced methodologies such as social...
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Junrong Wang, Chunlei He, Dianfu Fu, Kuang He and Junfeng Du
Fatigue failure caused by frequent tension and bending loads is a crucial safety concern for mooring chains used on floating structures in the oil and gas industry. The bending effect for a chain?s fatigue is usually not considered by existing fatigue an...
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Grzegorz Ilewicz and Edyta Ladyzynska-Kozdras
The surgical robots currently used in cardiac surgery are equipped with a remote center of motion (RCM) mechanism that enables the required spherical workspace. The dynamics model of the surgical robot?s RCM mechanism presented in this work includes a di...
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Jinghang Xiao, Bo Liang, Jia?an Niu and Can Qin
In response to the special feature of the east?west oriented road tunnel entrance being easily exposed to direct sunlight, a study was conducted on the glare phenomenon at the access zone for this type of tunnel and on the time-varying characteristics of...
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Lele Chu, Bo Ai, Yubo Wen, Qingtong Shi, Huadong Ma and Wenjun Feng
The particle system is widely used in vector field feature visualization due to its dynamics and simulation. However, there are some defects of the vector field visualization method based on the Euler fields, such as unclear feature expression and discon...
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Helen K. French, Mona C. Hansen, Kamilla G. Moe and Julie Stene
In cold climates, the use of de-icing chemicals in the winter can lead to groundwater contamination, especially when used in large quantities, such as at airports. Oslo Airport, Gardermoen, is situated on Norway?s largest rain-fed aquifer. Potassium form...
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Jingyi Li, Jiaxin He, Lun Yang and Qingwen Min
The protection and management of important agricultural heritage systems (IAHS) are essential to the sustainable economic and social development of heritage sites. Using the time-varying difference-in-differences (DID) model, this paper analyzes the infl...
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Ting Song, Zixuan Zheng, Yufei Guo and Jianping Yuan
A model-free control method is applied to the attitude and orbital operation of the post-capture combined spacecraft, which consists of a space robot and debris. The main contribution of this paper lies in the following three aspects. Firstly, the discre...
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Wen Chen, Kaijun Ren, Yongchui Zhang, Yuyao Liu, Yu Chen, Lina Ma and Silin Chen
The sound speed profile (SSP) is a necessary prerequisite for acoustic field computation and underwater target localization and monitoring. Due to the dynamic nature of the ocean, the reconstruction of SSPs with surface characteristics is a big challenge...
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Wei Liu, Hui Ye and Xiaofei Yang
For an underactuated unmanned surface vehicle (USV), time-varying external disturbances affect the accuracy of trajectory tracking. To ensure trajectory tracking accuracy, in this paper the reduced-order extended state observer (ESO) and the super-twisti...
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