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Dacheng Yu, Mingjun Zhang, Feng Yao and Jitao Li
Variational Mode Decomposition (VMD) has typically been used in weak fault feature extraction in recent years. The problem analyzed in this study is weak fault feature extraction and the enhancement of AUV thrusters based on Artificial Rabbits Optimizati...
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Yunhan Geng, Shaojuan Su, Tianxiang Zhang and Zhaoyu Zhu
Centrifugal pumps are susceptible to various faults, particularly under challenging conditions such as high pressure. Swift and accurate fault diagnosis is crucial for enhancing the reliability and safety of mechanical equipment. However, monitoring data...
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Mengtian Zhang, Xianghua Huang, Shengchao Wang and Liantan Luo
Aeroengines are prone to failure due to their large range of working envelopes and bad working environments. Fault diagnosis and a fault-tolerant control strategy for aeroengines and control systems are important means to improve the reliability of aeroe...
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I.A.K. Kamil
Pág. 43 - 47
In many applications, failure of a critical element of technical device or system where computers are used, outages or malfunctions can be expensive or even disastrous and can lead to progressive collapse. It is necessary to provide the ability to tolera...
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Janghyun Kim, Stephen Frank, Piljae Im, James E. Braun, David Goldwasser and Matt Leach
Automated fault detection and diagnosis (AFDD) tools based on machine-learning algorithms hold promise for lowering cost barriers for AFDD in small commercial buildings; however, access to high-quality training data for such algorithms is often difficult...
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Huiyuan Liu, Kehan Xu, Zhe Zhang, Wei Liu and Jianyong Ao
With the substantial increase in the capacity of grid-connected photovoltaic (PV) power, the adverse effects of its complex fault characteristics on grid relay protection are increasingly highlighted. Based on the introduction of the topology and the con...
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Xiaolong Zhou, Xiangkun Wang, Haotian Wang, Linlin Cao, Zhongyuan Xing and Zhilun Yang
Rotor fault diagnosis has attracted much attention due to its difficulties such as non-stationarity of fault signals, difficulty in fault feature extraction and low diagnostic accuracy of small samples. In order to extract fault feature information of ro...
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Xiaoli Pan, Zheping Yan, Heming Jia, Jiajia Zhou and Lidong Yue
Formation control, which is a core problem in multi-autonomous underwater vehicle (AUV) systems, plays an important role in realizing safe and accurate cooperation of multi-AUV systems. This paper provides a study on fault-tolerant formation control for ...
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Prathamesh Lahande, Parag Kaveri and Jatinderkumar Saini
Cloud computing delivers robust computational services by processing tasks on its virtual machines (VMs) using resource-scheduling algorithms. The cloud?s existing algorithms provide limited results due to inappropriate resource scheduling. Additionally,...
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Bambang Setiawan,Nafisah Al-Huda*,Alfiansyah Yulianur,Nora Abdullah,Juellyan Juellyan,Athalya Khanza Permana,Jihan Indria Sawitri
Pág. 191 - 198
Around 1000 to 4000 units of modest dwelling houses are annually built in Aceh Province. A modest dwelling house is a small type of house that has limitations in space planning which is very suitable for small families with middle to lower incomes. This ...
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Xin Ma, Yu Luo, Jian Shi and Hailiang Xiong
Fault detection of Substation Power Transformer by Non-contact measurement is important for the safety of machines, instruments, and human beings. To make non-contact measurement as convenient as possible, it is desirable that efficient algorithms based ...
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Xuecen Zhang, Yi Tang, Qiang Liu, Guofeng Liu, Xin Ning and Jiankun Chen
With the development of distribution networks, large amounts of distribution terminal units (DTU) are gradually integrated into the power system. However, limited numbers of maintenance engineers can hardly cope with the pressure brought about by the sub...
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Dong-Kyu Lee
The magnetic suspension and balance system (MSBS) uses magnetic force and moment to precisely control the movement of the test object located at the center of the test section without mechanical contact, and at the same time measure the external force ac...
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Iurii Katser, Viacheslav Kozitsin, Victor Lobachev and Ivan Maksimov
Offline changepoint detection (CPD) algorithms are used for signal segmentation in an optimal way. Generally, these algorithms are based on the assumption that signal?s changed statistical properties are known, and the appropriate models (metrics, cost f...
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H. H. K. Sudani
Pág. 46 - 50
Reliability is one of the most important issues in design of technical systems. One way to increase reliability is to build a fault tolerant system implementation. In some systems, link failures between its elements occur. An example is the damage to a c...
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Haodong Liu, Dongyan Li, Yu Yuan, Shengjie Zhang, Huimin Zhao and Wu Deng
The variational mode decomposition (VMD) method for signal decomposition is severely affected by the number of components of the VMD method. In order to determine the decomposition modal number, K, in the VMD method, a new center frequency method of the ...
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Wei Wang and Jingwen Wang
The permanent magnet (PM) brushless DC (BLDC) machine has been widely used in various applications due to its high reliability and simplicity. In aerospace applications, the requirements of its dynamic acceleration characteristic and fault protection cap...
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Nengsong Peng, Weiwei Zhang, Hongfei Ling, Yuzhao Zhang and Lixin Zheng
A key issue in wireless sensor network applications is how to accurately detect anomalies in an unstable environment and determine whether an event has occurred. This instability includes the harsh environment, node energy insufficiency, hardware and sof...
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Fan Yang, Yongan Wang, Manling Dong, Xiaokuo Kou, Degui Yao, Xing Li, Bing Gao and Irfan Ullah
The corrosion of grounding grids can result in a grounding accident of a power system, and much attentions has been concentrated on the method used to detect a corrosion fault in a grounding grid, in which the methods of voltage measurement and magnetic ...
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Meng Ma, Zhirong Zhong, Zhi Zhai and Ruobin Sun
There are hundreds of various sensors used for online Prognosis and Health Management (PHM) of LREs. Inspired by the fact that a limited number of key sensors are selected for inflight control purposes in LRE, it is practical to optimal placement of redu...
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