Dynamic feature extraction and recognition of flow states in vaneless space of a prototype reversible pump turbine in generating mode based on variational mode decomposition and energy index
Xianghao Zheng, Mengyu Lu, Hao Li, Yuning Zhang, Yuning Zhang, Jinwei Li, Yuning Zhang, Yuning Zhang
Topics & Concepts
Support vector machineEigenvalues and eigenvectorsTurbineFeature extractionFeature vectorHilbert–Huang transformPattern recognition (psychology)Control theory (sociology)Mode (computer interface)Computer scienceArtificial intelligenceClassifier (UML)Energy (signal processing)Flow (mathematics)AlgorithmMathematicsEngineeringPhysicsMechanical engineeringMechanicsStatisticsOperating systemQuantum mechanicsControl (management)Cavitation Phenomena in PumpsHydraulic and Pneumatic SystemsOil and Gas Production Techniques