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Ran Gao, Bowen Mu, Sainan Lyu, Hao Wang and Chengdong Yi
Wearable devices as an emerging technology to collect safety data on construction site is gaining increasing attention from researchers and practitioners. Given the rapid development of wearable devices research and the high application prospects of wear...
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Yongqiang Duan, Chengdong Wang, Yong Chen and Peisen Liu
The fault frequencies are as they are and cannot be improved. One can only improve its estimation quality. This paper proposes a fault diagnosis method by combining local mean decomposition (LMD) and the ratio correction method to process the short-time ...
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Yong Chen, Siyuan Liang, Wanfu Li, Hong Liang and Chengdong Wang
Permanent magnet synchronous motors (PMSM) have been used in a lot of industrial fields. In this paper, a review of faults and diagnosis methods of PMSM is presented. Firstly, the electrical, mechanical and magnetic faults of the permanent magnet synchro...
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Juan Wang, Bin Meng, Dongjie Fu, Tao Pei and Chengdong Xu
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Hong Liang, Yong Chen, Siyuan Liang and Chengdong Wang
The stator inter-turn short circuit fault is one of the most common and key faults in permanent magnet synchronous motor (PMSM). This paper introduces a time–frequency method for inter-turn fault detection in stator winding of PMSM using improved w...
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Songtao Lv, Shuangshuang Wang, Tong Guo, Chengdong Xia, Jianglong Li and Gui Hou
As a natural modifier of asphalt, rock asphalt has been widely used to improve its thermal stability and aging resistance. However, the thermal cracking resistance of asphalt modified by rock asphalt is unsatisfactory. In order to improve the thermal cra...
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