Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Jianshe Kang"'
Publikováno v:
Jixie chuandong, Vol 44, Pp 143-149 (2020)
The rolling bearing fault signal of the gearbox is difficult to extract effectively due to noise interference. A fault feature extraction method of gearbox rolling bearing based on VMD and fast-kurtogram is proposed. Firstly, the vibration signal o
Externí odkaz:
https://doaj.org/article/6cb64b0a255846dbbb46d855714270fc
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Industrial big data bring a large number of high-dimensional sample datasets. Although a deep learning network can well mine the internal nonlinear structure of the dataset, the construction of the deep learning model requires a lot of computing time
Externí odkaz:
https://doaj.org/article/4d54c997550544c29129f15103c273f5
Publikováno v:
Sensors, Vol 22, Iss 21, p 8129 (2022)
Regarding the problem of the valve gap health status being difficult to assess due to the complex composition of the condition monitoring signal during the operation of the diesel engine, this paper proposes an adaptive noise reduction and multi-chan
Externí odkaz:
https://doaj.org/article/2a2baf31f0a04096a20040aea7a72b93
Publikováno v:
Sensors, Vol 15, Iss 3, Pp 6996-7015 (2015)
Tracking degradation of mechanical components is very critical for effective maintenance decision making. Remaining useful life (RUL) estimation is a widely used form of degradation prediction. RUL prediction methods when enough run-to-failure condit
Externí odkaz:
https://doaj.org/article/3e48f0f8b188469093ae3c7ed674047e
Publikováno v:
Complexity, Vol 2017 (2017)
Separated decision-making for maintenance and spare ordering is unrealistic in the industry, so this paper aims to optimize them together. A joint policy of inspection-based preventive maintenance (PM) and spare ordering considering two modes of spar
Externí odkaz:
https://doaj.org/article/c76123d764d244129a8198cd46f6c800
Publikováno v:
Science and Technology of Nuclear Installations, Vol 2015 (2015)
Gear and bearing play an important role as key components of rotating machinery power transmission systems in nuclear power plants. Their state conditions are very important for safety and normal operation of entire nuclear power plant. Vibration bas
Externí odkaz:
https://doaj.org/article/320cbe696a744d42b8388a1fbb46e3b6
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
A new improved Kurtogram was proposed in this paper. Instead of Kurtosis, correlated Kurtosis of envelope signal extracted from the wavelet packet node was used as an indicator to determine the optimal frequency band. Correlated Kurtosis helps to det
Externí odkaz:
https://doaj.org/article/4ea38ff98fd04c238f74efd8cff5d1d7
Publikováno v:
Science and Technology of Nuclear Installations, Vol 2015 (2015)
Nuclear power plants are highly complex systems and the issues related to their safety are of primary importance. Probabilistic safety assessment is regarded as the most widespread methodology for studying the safety of nuclear power plants. As maint
Externí odkaz:
https://doaj.org/article/1ac9b1fb533441c48d73493e15f03b31
Publikováno v:
Structural Health Monitoring. 22:1677-1707
This paper proposes an adaptive fault diagnosis algorithm based on vibration signals for fault diagnosis of bearings and diesel engines. First, the improved nonlinear gray wolf optimization algorithm (NGWO) is adopted to optimize the key parameter fo
Publikováno v:
Quality and Reliability Engineering International.