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- 2Life cycle cost
- 1Artificial neural network
- 1Bayesian inference
- 1Canada
- 1Condition based maintenance
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Spring 2016
Vibration analysis has been widely used to detect gear tooth fault inside a planetary gearbox. However, the vibration characteristics of a planetary gearbox are very complicated. Inside a planetary gearbox, there are multiple vibration sources as several sun-planet gear pairs and several...
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Gearbox Fault Feature Extraction Using Hilbert Transform, S-Transform, and a Statistical Indicator
Download2007
Vibration analysis has been widely used in machine fault feature extraction and diagnosis of rotating machinery. The effects of modulation and nonstationarity in vibration signals collected from a faulty gearbox present challenges for fault feature extraction. Hilbert transform and S-transform...
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Fall 2018
Maintenance management in wind energy industry has great impact on overall wind power cost. Optimizing maintenance strategies can substantially reduces the cost and makes wind energy more competitive among the energy resources. Due to the extreme conditions of remote or offshore sites where the...
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Techno-economic feasibility of hybrid energy systems for small-scale space heating applications in Canada
DownloadSpring 2021
Given the large energy consumption for space heating demands in Canada, renewable energy heating systems are becoming increasingly more popular and more important for small scale applications. However, these face tough challenges for applicability in cold climate regions due to various physical...
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Fall 2020
Gearboxes are widely used in modern power transmission systems such as wind turbines, helicopters, and railway vehicles. Due to inappropriate operation conditions or fatigue degradation, faults may develop in gears. If early faults cannot be detected and their severity assessed in a timely...