Chapter 10 Reinforcement Learning for Intelligent Fault Diagnosis
INTRODUCTION
The planetary gearbox as a critical transmission part of modern mechanical systems has been widely used in the fields of wind turbines, gas turbines, and helicopters because of its advantages of the large transmission ratio, compactness, and strong load-bearing capacity (Chen et al., 2020). However, because planetary gearbox usually operates in harsh environments, its key components, especially the gear and bearing, are frequently subjected to some potential defects such as gear root crack, chipped teeth, broken teeth, pitting, bearing inner race fault, outer race fault, etc. in long-run (Chen et al. 2019). The occurrence of such failures ...
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