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Lei Zhang and Zhi Pei
In the present paper, the online valet driving problem (OVDP) is studied. In this problem, customers request a valet driving service through the platform, then the valets arrive on e-bikes at the designated pickup location and drive the vehicle to the de...
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Qing Yang, Bingyu Song, Yingguo Chen, Lei He and Pei Wang
With the improvement of satellite autonomy, multi-satellite cooperative mission planning has become an important application. This requires multiple satellites to interact with each other via inter-satellite links to reach a consistent mission planning s...
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Shilong Peng, Yuhao Xu, Guangyong Cao and Lei Pei
The study of the changes in stress and deformation of frozen walls during excavation has always been a hot topic in underground freezing engineering, and the size of the plastic zone is an important basis for evaluating the stability of frozen walls. In ...
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Xueqing Wu, Baoqing Pei, Wei Wang, Da Lu, Lei Guo and Peiyan He
There is a high risk of serious injury to the lower extremities during a human drop landing. Prophylactic knee and ankle braces are commonly used to reduce injury by restraining the motion of joints. However, braces that restrain joint range of motion (R...
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Shun Sang, Binhui Pei, Jiejie Huang, Lei Zhang and Xiaocen Xue
Voltage source (VS) control based on inertia synchronization is a novel phase lock loop (PLL)-less autonomous grid-synchronization control strategy suitable for the permanent magnet synchronous generator (PMSG)-based wind turbine. It can autonomously sen...
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Lei Hu, Jun Xu, Chao Bao and Tao Pei
Tourism is playing an important role in the economic development of the Qinghai-Tibet Plateau (QTP). To better develop tourism in this region, the spatial heterogeneity of influencing factors on tourism needs to be studied. Using the spatial distribution...
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Zhifang Pei, Shibo Fang, Lei Wang and Wunian Yang
The global climate is noticeably warming, and drought occurs frequently. Therefore, choosing a suitable index for drought monitoring is particularly important. The standardized precipitation index (SPI) and the standardized precipitation evapotranspirati...
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Zuohua Miao, Lei Pan, Qiaozhi Wang, Pei Chen, Cheng Yan and Likun Liu
The creation of a road network can lead to the fragmentation and reduction of the connectivity of the ecological habitat. The study of urban ecological networks under threat from rapidly developing road networks is of great significance in understanding ...
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Zhitao Fan, Chao Zhi, Lei Wu, Pei Zhang, Chengqiang Feng, Liang Deng, Bingjun Yu and Linmao Qian
UV/ozone (UVO)-assisted formation of self-assembled monolayer (SAM) of 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDS) was prepared on a glass surface. The effect of UVO exposure time on surface roughness and hydrophilicity was investigated through goni...
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Hang Zhou, Wen-Tao Yang, Xin Zhou, Li Liu, Jiao-Feng Gu, Wen-Lei Wang, Jia-Ling Zou, Tao Tian, Pei-Qin Peng and Bo-Han Liao
The objectives of the present study were to investigate heavy metal accumulation in 22 vegetable species and to assess the human health risks of vegetable consumption. Six vegetable types were cultivated on farmland contaminated with heavy metals (Pb, Cd...
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