Web2 de dez. de 2024 · With a view to solving the defect that multiscale amplitude-aware permutation entropy (MAAPE) can only quantify the low-frequency features of time series and ignore the high-frequency features which are equally important, a novel nonlinear time series feature extraction method, hierarchical amplitude-aware permutation entropy … Web15 de mai. de 2024 · The fault diagnosis of planetary gearboxes is crucial to reduce the maintenance costs and economic losses. This paper proposes a novel fault diagnosis method based on adaptive multi-scale morphological filter (AMMF) and modified hierarchical permutation entropy (MHPE) to identify the different health conditions of …
Permutation Entropy as a Universal Disorder Criterion: How …
Web18 de out. de 2024 · Many measures to quantify the nonlinear dynamics of a time series are based on estimating the probability of certain features from their relative frequencies. … Web1 de mai. de 2024 · Multiscale entropy (MSE) and multiscale permutation entropy (MPE) are two effective nonlinear dynamic complexity measurement methods of time series that have been applied to many areas for complexity feature extraction in recent years. To overcome the inherent defects of sample entropy and permutation entropy, together … scott leshin healthcare advocate
Fault Diagnosis Method for Rotating Machinery Based on …
WebHierarchical Amplitude‐Aware Permutation Entropy‐Based Fault Feature Extraction Method for Rolling Bearings Zhe Li 1 , Yahui Cui 1 , Longlong Li 1, *, Runlin Chen 1 , … Web22 de abr. de 2024 · Then, a novel intelligent fault diagnosis method for common rail injectors based on hierarchical weighted permutation entropy and pair-wise feature proximity is proposed. Finally, the proposed method is applied to the common rail injector fault data, and the results verify the effectiveness of the proposed method. Web22 de fev. de 2024 · In order to detect the incipient fault of rolling bearings and to effectively identify fault characteristics, based on amplitude-aware permutation entropy (AAPE), … preschool worksheets for letter l