Study Of The Ship Stabilized Gyrocompass Expert Diognose System

The ship stabilized gyrocompass is the main navigational equipment.The intelligent fault diagnosis techniques used in the stabilized gyrocompass are crucial to the promotion of test and repair.Bases on the research task:"The test and repair system of the stabilized gyrocompass",the intelligent fault diagnosis techniques for the stabilized gyrocompass are studied in this paper.In this dissertation,the author focuses mainly on the following three aspects:(l)The Dempster-Shafer evidence theory aided FAT method is pre-sented to overcome the disadvantages of the uncertainty information in systemic fault diagnosis.In order to resolve the overestimate problem for correlated evidence, the combined method is built using neural networks and Dempster's Rule of Combination.(2)The test and repair system for the stabilized gyrocompass is constituted. The configuration of software and hardware has been studied as emphases to meet the test requirement.During the design process,the adapters on testing interface, the module of special signal source and power etc are all accomplished in the hardware design.(3)The software has been studied and designed.