Optical-Fiber Sensor Network Deployed for Temperature Measurement of Large Diesel Engine

Publication Type:
Journal Article
IEEE Sensors Journal, 2018, 18 (9), pp. 3654 - 3660
Issue Date:
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© 2001-2012 IEEE. This paper presents a method to measure the temperature of the fixed and mobile bearings of a crankshaft in a large diesel engine using optical fiber Bragg gratings (FBGs). The FBG sensor development and the encapsulation with stainless-steel tube are described. The sensors were tested in a large diesel engine in full operation and the results demonstrate the efficiency of the proposed temperature measurement method in monitoring the crankshaft bearings. It is possible to anticipate fault signals with proper processing of temperature data.
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