METHOD FOR APPLYING DIFFERENT ROTATION-SPEED-VIBRATION THRESHOLDS TO DIAGNOSE ABNORMALITY OF EQUIPMENT WITH VARIABLE ROTATION SPEEDS
A method for applying different rotation-speed-vibration thresholds to diagnose abnormality of equipment with variable rotation speeds is provided. The method includes a plurality of model establishing stages and an online operating stage. In the plurality of model establishing stage, historic opera...
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| creator | WU, BANI HOR, CHIOU-YI YANG, JWU-JIUN LIU, HSI-MING HUNG, SHIHING |
| description | A method for applying different rotation-speed-vibration thresholds to diagnose abnormality of equipment with variable rotation speeds is provided. The method includes a plurality of model establishing stages and an online operating stage. In the plurality of model establishing stage, historic operation data of the equipment associated with multiple rotation speeds are obtained. Then, feature values of historic operation state are calculated in accordance with the historic operation data. Thereafter, a Gauss mixture model (GMM) is applied on 2D data composed of one single feature and speed from various historic operation states. Then, fixed threshold values of speed ranges are determined in accordance with the Gauss mixture model. Finally, the normal interval model is established in accordance with the fixed threshold values and the multiple normalized feature values of historic operation state. In the online operating stage, at first, online operation data are obtained and a feature value of online operation |
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The method includes a plurality of model establishing stages and an online operating stage. In the plurality of model establishing stage, historic operation data of the equipment associated with multiple rotation speeds are obtained. Then, feature values of historic operation state are calculated in accordance with the historic operation data. Thereafter, a Gauss mixture model (GMM) is applied on 2D data composed of one single feature and speed from various historic operation states. Then, fixed threshold values of speed ranges are determined in accordance with the Gauss mixture model. Finally, the normal interval model is established in accordance with the fixed threshold values and the multiple normalized feature values of historic operation state. 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The method includes a plurality of model establishing stages and an online operating stage. In the plurality of model establishing stage, historic operation data of the equipment associated with multiple rotation speeds are obtained. Then, feature values of historic operation state are calculated in accordance with the historic operation data. Thereafter, a Gauss mixture model (GMM) is applied on 2D data composed of one single feature and speed from various historic operation states. Then, fixed threshold values of speed ranges are determined in accordance with the Gauss mixture model. Finally, the normal interval model is established in accordance with the fixed threshold values and the multiple normalized feature values of historic operation state. 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The method includes a plurality of model establishing stages and an online operating stage. In the plurality of model establishing stage, historic operation data of the equipment associated with multiple rotation speeds are obtained. Then, feature values of historic operation state are calculated in accordance with the historic operation data. Thereafter, a Gauss mixture model (GMM) is applied on 2D data composed of one single feature and speed from various historic operation states. Then, fixed threshold values of speed ranges are determined in accordance with the Gauss mixture model. Finally, the normal interval model is established in accordance with the fixed threshold values and the multiple normalized feature values of historic operation state. In the online operating stage, at first, online operation data are obtained and a feature value of online operation</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ALARM SYSTEMS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MEASURING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ORDER TELEGRAPHS PHYSICS REGULATING SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
| title | METHOD FOR APPLYING DIFFERENT ROTATION-SPEED-VIBRATION THRESHOLDS TO DIAGNOSE ABNORMALITY OF EQUIPMENT WITH VARIABLE ROTATION SPEEDS |
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