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检索条件"机构=System and Control Engineering Laboratory"
5544 条 记 录,以下是4921-4930 订阅
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Experimental investigation and analysis for gearbox fault
Experimental investigation and analysis for gearbox fault
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2010 2nd World Non-Grid-Connected Wind Power and Energy Conference, WNWEC 2010
作者: Li, Shaohua Jiang, Dongxiang Zhao, Minghao State Key Laboratory of Control and Simulation of Power System and Generation Equipment Department of Thermal Engineering Tsinghua University Beijing 100084 China
As an important component of a wind turbine drive chain, the high failure rate of the gearbox can have a serious impact on the operation of wind turbine units. The fault diagnosis of the gearbox is therefore important... 详细信息
来源: 评论
Study on stress and strain for fatigue cumulation evaluation in turbine generator shafts due to torsional vibration
Study on stress and strain for fatigue cumulation evaluation...
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23rd International Congress on Condition Monitoring and Diagnostic engineering Management, COMADEM 2010
作者: Jiang, Dongxiang Liu, Chao An, Xueli Chen, Jie State Key Laboratory of Control and Simulation of Power System and Generation Equipments Department of Thermal Engineering Tsinghua University Beijing 100084 China
The cracks emerged in a fossil-fired power plant in China in 2008 and several similar crack accidents had been detected in nuclear turbines in USA before. The possible causes of the cracks are analyzed in previous stu... 详细信息
来源: 评论
Application of SVM method to operation diagnosis of hot strip rolling
Application of SVM method to operation diagnosis of hot stri...
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作者: Konishi, Masami Nakano, Koichi System Control Engineering Laboratory Graduate School of Natural Science and Technology Okayama University Japan Okayama University Japan
As it is well known, in a factory, there exist many equips with large scale and plants with complexities. For the reason, complete automations of its operations are very difficult. Therefore, the human intervention is... 详细信息
来源: 评论
Application of back propagation neural network to fault diagnosis of direct-drive wind turbine
Application of back propagation neural network to fault diag...
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2010 2nd World Non-Grid-Connected Wind Power and Energy Conference, WNWEC 2010
作者: An, Xueli Jiang, Dongxiang Li, Shaohua State Key Laboratory of Control and Simulation of Power System and Generation Equipments Dept. of Thermal Engineering Tsinghua University Beijing 100084 China
The vibration signals of wind turbines are highly nonlinear and non-stationary due to wind turbine operation conditions that are very complicated. The signals will be more complex when a fault occurs. Aiming at these ... 详细信息
来源: 评论
FRACTURE MECHANICS ANALYSIS IN FROST BREAKAGE OF RESERVOIR REVETMENT ON COLD REGIONS
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Sciences in Cold and Arid Regions 2011年 第4期000卷
作者: Xiao Zhou Liu Peng Liu Key Laboratory for Prediction & Control on Complicated Structure System of the Education Department of Liaoning Province Dalian University Dalian Liaoning 116622 China State Key Laboratory of Frozen Soil Engineering Cold and Arid Regions Environmental Engineering Research Institute Chinese Academy of Sciences Lanzhou Gansu 730000 China Key Laboratory for Prediction & Control on Complicated Structure System of the Education Department of Liaoning Province Dalian University Dalian Liaoning 116622 China
Reservoir revetment in cold regions is often damaged by frost due to the joint action of low-temperatures and cryogenic environment in *** damage reduces or even eliminates the function of the reservoir *** this paper... 详细信息
来源: 评论
Real-time vehicle detection based on Quasi-shot segmentation
Real-time vehicle detection based on Quasi-shot segmentation
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2010 3rd International Congress on Image and Signal Processing, CISP 2010
作者: Liu, Yan Dai, Yaping Wang, Meng Dai, Zhongjian Memon, Zubair Ahmed School of Automation Beijing Key Laboratory of Automatic Control System BIT Beijing China Department of Electrical Engineering Mehran University of Engineering and Technology Jamshoro. Sindh Pakistan
In this paper, a Quasi-shot Segmentation Vehicle Detection (QSVD) method is proposed to improve the accuracy and robustness of traffic flow detection. The QSVD method is based on histogram intersection method to find ... 详细信息
来源: 评论
Discussion on setting calculation of loss-of-excitation protection for large turbogenerator
Discussion on setting calculation of loss-of-excitation prot...
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作者: Yao, Siwang Wang, Weijian Luo, Ling Gui, Lin Qiu, Arui State Key Laboratory of Control and Simulation of Power System and Generation Equipments Department of Electrical Engineering Tsinghua University Beijing China
Loss of excitation (LOE) is a common fault found in the generators. The most widely applied method for detecting a generator loss of excitation is the use of impedance relays to sense the variation of impedance as vie... 详细信息
来源: 评论
Design and realization of a remote monitoring and diagnosis and prediction system for large rotating machinery
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中国高等学校学术文摘·机械工程 2010年 第2期5卷 165-170页
作者: Shaohong WANG Tao CHEN Jianghong SUN School of Mechanical Vehicular Engineering Beijing Institute of Technology Beijing 100081 China Beijing Key Laboratory on Measurement and Control of Mechanical and Electrical System Beijing Information Science & Technology University Beijing 100192 China
Traditional on-site fault diagnosis means cannot meet the needs of large rotating machinery for its performance and complexity. Remote monitoring and diagnosis technology is a new fault diagnosis mode combining comput... 详细信息
来源: 评论
Robust D stabilization of singular systems with polytopic uncertainties
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控制理论与应用(英文版) 2010年 第4期8卷 540-544页
作者: Jianjun BAI Hongye SU Xiaofu JI Jinfeng GAO State Key Laboratory of Industrial Control Technology Institute of Cyber-System and Control Zhejiang University Hangzhou Zhejiang 310027 China School of Electrical and Information Engineering Jiangsu University Zhenjiang Jiangsu 212013 China Institute of Automation Zhejiang Sci-Tech University Hangzhou Zhejiang 310018 China
The robust D stabilization problem is considered for singular systems with polytopic uncertainties in this *** the derivative matrix E and the state matrix A are with uncertainties,which were not considered ***,with t... 详细信息
来源: 评论
RTDS based maximal power point tracking simulation for permanent magnet synchronous generator
RTDS based maximal power point tracking simulation for perma...
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International Conference on Digital Manufacturing and Automation
作者: Chen, Jinmei Xue, Ancheng Bi, Tianshu Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control School of Electrical Engineering North China Electric Power University Beijing 102206 China
In the control of the wind generation, the maximal power point tracking (MPPT) control plays important role in the efficiency. This paper presents the simulation results of the MPPT control with RTDS-based PMSG model.... 详细信息
来源: 评论