A Novel Mechanical Fault Diagnosis Scheme Based on the Convex 1-D Second-Order Total Variation Denoising Algorithm

A Novel Mechanical Fault Diagnosis Scheme Based on the Convex 1-D Second-Order Total Variation Denoising Algorithm

Convex 1-D first-order total variation (TV) denoising is an effective method for eliminating signal noise, which can be defined as convex optimization consisting of a quadratic data fidelity term and a non-convex regularization term. It not only ensures strict convex for optimization problems, but a...

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Hauptverfasser: Cancan Yi, Yong Lv, Zhang Dang, Han Xiao
Format: Artikel
Sprache:English
Veröffentlicht: MDPI AG 2016-12-01
Schriftenreihe:Applied Sciences
Schlagworte:
second-order total variation denoising
convex optimization
non-convex regularization term
permutation entropy
fault diagnosis
Online Zugang:http://www.mdpi.com/2076-3417/6/12/403

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http://www.mdpi.com/2076-3417/6/12/403

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