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Xiongmin Tang, Junhui Zhang, Zheng Liu and Miao Zhang
This paper presents a novel switching frequency optimized space vector pulse width modulation (SVPWM) scheme for cascaded multilevel inverters. The proposed SVPWM is developed in a a'ß' coordinate system, in which the voltage vectors have only int...
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Guanhua Zhou, Yue Zhang, Zhongqi Ma, Wujian Xu, Kai Zhang, Junhui Liu and Yumin Tan
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Wang Yang, Junhui Xi, Zhihao Wang, Zhiheng Lu, Xian Zheng, Debang Zhang and Yu Huang
Cassava (Manihot esculenta Crantz) is a major tuber crop worldwide, but its mechanized harvesting is inefficient. The digging?pulling cassava harvester is the primary development direction of the cassava harvester. However, the harvester clamping?pulling...
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Dong Wu, Zhichao Jia, Yanqi Zhang and Junhui Wang
The heat dissipated from high geo-temperature underground surrounding rocks is the main heat source of working faces, while thermal water upwelling and trickling into the roadway will notably deteriorate the mine?s climate and thermal comfort. Predicting...
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Genbatu Ge, Zhongjie Shi, Xiaohui Yang, Yuguang Hao, Hao Guo, Fandjinou Kossi, Zhiming Xin, Wei Wei, Zhiyong Zhang, Xiao Zhang, Yanshu Liu and Junhui Liu
Although precipitation extremes exert a major influence on populations and the environment, trend analysis for the entire Qinghai-Tibetan plateau (QTP) has not previously been undertaken. In this study, meteorological data from 83 weather stations was us...
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Jiacheng Li, Fajin Chen, Shuwen Zhang, Chao Huang, Chunqing Chen, Fengxia Zhou, Junhui Wu, Guangzhe Jin and Qingmei Zhu
In this study, the isotopic composition (d13C and d15N), total organic carbon content, total nitrogen content, and C/N ratios of suspended particulate organic matter (POM) in Zhanjiang Bay, which is a semi-enclosed bay with concentrated artificial activi...
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Xiaocui Chen, Yuan Zheng, Junhui Xu, Yuquan Zhang, E. Fernandez-Rodriguez, Chengyi Li, Ying Zhou and Tao Jiang
In non-design conditions, severe hydraulic instability can affect the stability of a pump station and even shorten its service life. A Francis pump station in the South-to-North Water Transfer Project was examined to carry out a numerical simulation of t...
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Yangao Jiang, Junhui Zhang, Shijie Han, Zhenju Chen, Heikki Setälä, Jinghua Yu, Xingbo Zheng, Yingtao Guo and Yue Gu
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