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POON ANDY, MA XIAOQIN, COULTATE JOHN KARL, GOLYSHEVA EVGENIA: [en] Determining damage to, or remaining useful life of, rotating machinery eg drive trains, gearboxes and generators of wind and water turbines. ROMAX TECHNOLOGY, November 21, 2012: GB2491045-A (1 worldwide citation)

[en] A method for predicting remaining useful life of a wind or water turbine or a component thereof determines in step 116 an accumulated damage and compares this in step 118 to preset damage limit obtained in step114. This provides a simple approach to estimating remaining useful life, giving the ...


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POON Andy, MA Xiaoqin, COULTATE John Karl, GOLYSHEVA Evgenia: DÉTERMINATION DE DOMMAGES ET DE LA DURÉE DE VIE UTILE RESTANTE DE MACHINES ROTATIVES COMPRENANT DES TRANSMISSIONS, DES BOÎTES DE VITESSES ET DES GÉNÉRATRICES, DETERMINING DAMAGE AND REMAINING USEFUL LIFE OF ROTATING MACHINERY INCLUDING DRIVE TRAINS, GEARBOXES, AND GENERATORS. ROMAX TECHNOLOGY, POON Andy, MA Xiaoqin, COULTATE John Karl, GOLYSHEVA Evgenia, HARBRON Stuart, November 29, 2012: WO/2012/160371 (1 worldwide citation)

A method for predicting remaining useful life of a wind or water turbine or component determines in step (116) an accumulated damage for the turbine or component and compares this in step (118) to preset damage limit obtained in step (114). This provides a simple approach to estimating remaining use ...


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MA Xiaoqin, EDWARDS Daniel: SURVEILLANCE DES VIBRATIONS, VIBRATION MONITORING. ROMAX TECHNOLOGY, MA Xiaoqin, EDWARDS Daniel, December 20, 2012: WO/2012/172369 (1 worldwide citation)

A health index can be determined from vibration signatures arising out of an analysis of vibration by using a combination of frequency analysis (e.g. crest factor, side-band factor), analyses done in time domain and so on. The health index (HI) can thus be a function of one or more of these vibratio ...


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MA XIAOQIN: [en] System and Method of Monitoring a turbine farm. ROMAX TECHNOLOGY, December 19, 2012: GB2491967-A

[en] A system/method for operating a wind or water turbine farm having a plurality of turbines, the system comprises: a computing device means for providing operational data relating to the plurality of turbines to the computing device a computer-readable medium coupled to the computing device and h ...


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MA XIAOQIN, EDWARDS DANIEL: [en] Vibration Monitoring of a wind or hydro turbine. ROMAX TECHNOLOGY, December 19, 2012: GB2491983-A

[en] A method for identifying a wind or water turbine or component thereof for maintenance, the method comprises the steps of: analysing vibration data for the wind or water turbine or component thereof thereby providing one or more vibration signatures determining a health index HI from the one or ...


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Han Dengfeng, Jiao Yousheng, Yuwen Jianpeng, Ma Xiaoqin, Xie Weihong: Synthetic cast iron for production of hydraulic piece and preparation method thereof. Csic No 12 Research Institute, luodi, April 16, 2008: CN200710019198

The invention discloses a synthetic cast iron for hydraulic member production, the mass percentage of the compositions is as follows: 1.8 percent to 3.3 percent of C, 1.8 percent to 2.0 percent of Si, 0.4 percent to 0.7 percent of Mn, 0 percent to 0.3 percent Cr, 0 percent to 0.5 percent of Cu and t ...


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Tan Xiaoqing, Cheng Qing, Chen Limin, Chen Qing, Dai Jianli, Lan Lin, Chen Changlin, Han Jin, Wang Rui, Li Tao, Lu Yu, Guo Hongmin, Ma Xiaoqin: Real-time enquiry and fee charging system for electric charge POS machine. Guiyang Power Supply Bureau, Liu Anning, August 12, 2009: CN200910102467

The invention relates to a real-time inquiry and payment system for an electric charge POS machine, which consists of a background database host computer, a bank and power supply network front-end processor, a POS machine, a synchronous switch, an optical fiber transceiver and an application program ...


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Deng Enhong, Tan Xiaoqing, Cheng Qing, Shi Kuanrong, Chen Limin, Chen Qing, Wang Yu, Dai Jianli, Yuan Jie, Kang Huan, Zhong Lu, Chen Changlin, Luo Gang, Liu Chang, Liu Bo, Li Tao, Lu Yu, Guo Hongmin, Zhang Shengan, Ma Xiaoqin: Palmtop marketing system for on-site service for electric power customers. Guiyang Power Supply Bureau, Liu Anning, December 30, 2009: CN200910102472

A palmtop marketing system for on-site service for electric power customers is an information transmission marketing system based on a GPRS wireless communication network ad comprises a host computer system which consists of a database server and a marketing application server and is arranged in a c ...


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