Multi-dimensional index fused CVT health state prediction method and system

Multi-dimensional index fused CVT health state prediction method and system

The invention provides a CVT health state prediction method and system based on multi-dimensional index fusion. The method comprises the following steps: processing a transformer historical error sequence, a change trend index time sequence and a lifting trend index time sequence according to a pres...

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Hauptverfasser: LIU YUEXIAO, LI XIUFANG, ZHONG HONGWEI, DING NING, LI XIN, YANG GUANGHUA, LI NA, LU XIANGYU, SOU WEIHE, YUAN MINGMIN, YI XIN, WANG FANG, SHI PENGBO, ZHANG YING, LI RUI, WU XIAOLIN, WANG ZICHENG, SUN JIAN, LI MINGKAI, ZHANG YUAN, ZHU JINSHAN, LI WENYING, LI QIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
TESTING
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Beschreibung
Zusammenfassung:The invention provides a CVT health state prediction method and system based on multi-dimensional index fusion. The method comprises the following steps: processing a transformer historical error sequence, a change trend index time sequence and a lifting trend index time sequence according to a preset accuracy model to obtain a transformer accuracy index; processing the secondary voltage data according to a preset fault model to obtain a mutual inductor reliability index; processing the stable state data according to a preset stability model to obtain a mutual inductor stability index; and analyzing the mutual inductor accuracy index, the mutual inductor reliability index and the mutual inductor stability index according to a preset fusion model to obtain the health state of the CVT. According to the method, the mutual inductor accuracy index, the mutual inductor reliability index and the mutual inductor stability index are fused, the health state of the mutual inductor is evaluated and predicted from multipl