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Weifeng Xu, Xianku Zhang and Haoze Wang
Tank level control has some unavoidable factors such as disturbance, non-linearity, and time lag. This paper proposes a simple and robust control scheme with nice energy-saving effects and smooth output to improve the quality of the controller and meet r...
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Yufang Zhang, Changde Liu, Nan Zhang, Qian Ye and Weifeng Su
Focusing on dynamic positioning (DP) systems for ships, which are subject to environmental disturbances and actuator constraints, this paper presents a finite-time controller that uses a disturbance observer with the aid of a backstepping technique. Firs...
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Rui Wang, Deli Wang, Weifeng Zhang, Yingxin Liu, Bin Hu and Longlong Wang
Authors are encouraged to provide a concise description of the specific application or a potential application of the work. This section is not mandatory.
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Peibing Song, Chao Wang, Wei Zhang, Weifeng Liu, Jiahui Sun, Xiaoying Wang, Xiaohui Lei and Hao Wang
Urban water resources are the basis for the formation and development of cities and the source of urban water supply. However, with the acceleration of urbanization and the explosion of urban populations, the contradiction between water supply and demand...
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Weifeng Wu, Zhao Zhang, Xiaolin Wang, Liangwei Yang and Quanke Feng
Refrigeration oil has a large effect on the performance of refrigeration systems. However, the physical and chemical indexes of fresh refrigeration oils often fail to reflect the actual operating characteristics, especially with respect to the degradatio...
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Yangrui Han, Weifeng Wang, Weiyan Zhang, Jun Zhang and Dandan Shan
Standing biomass stocks represent a balance between a number of processes that lead to biomass accumulation or to biomass loss. The average time of biomass residence (ATr) of an ecosystem is the average period of time that carbon is locked up in the livi...
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Yang Zhang, Weifeng Zhang and Haiwu
Pág. 313 - 316
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