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Research of Design on Dual-module Redundance of 1553B Bus Controller for Carrier Rocket

Author: LiangLiZhu
Tutor: FuShan
School: Shanghai Jiaotong University
Course: Aerospace engineering
Keywords: 1553B bus controller dual redundance Softwue Implemented Fault Tolerance LabView simulation BU-61580
CLC: TP273
Type: Master's thesis
Year: 2012
Downloads: 112
Quote: 0
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Abstract


1553B bus is earliest used in military aircraft and now aerospace programme begin to introduce 1553B bus. 1553 B bus controller is the only message transmission sponsors. 1553B bus controller fault will directly cause the whole 1553 B bus network to be paralysed.So Backup Bus Controller is used in all the Mature 1553B bus network. But 1553 B bus controller redundant technology is just in research phase in China. The topic of this thesis is pre-research of introducing Backup Bus Controller in a computer system which is designed for a carrier rocket.Main research results are listed as follows:1) Through study the domestic and foreign redundancy design of 1553 B bus controller and fault-tolerance computer technology, It is found that the effective way for redundancy design of 1553B bus controller is paying attention to the structural design of the system and Softwue Implemented Fault Tolerance.2) Three structures of computer system for for a carrier rocket is provided,in each structure there is a Backup Bus Controller.And also, Three structures of computer system for for a carrier rocket is provided, in each structure there is no Backup Bus Controller. Reliability model is built for every struct above.Based on the Reliability models, every struct’s Reliability is calculated. After analysis, It is found that the structure with Dual-module Redundance of 1553B Bus Controller and―three adopt two‖Circuit in it is the optimal structure among the six structures above.3) A fault model is built and Softwue Implemented Fault tolerant algorithms is designed for the optimal structure of the computer. The LabView simulation results show that the algorithm of fault diagnosis is efficient based on the fault model.4) This thesis has studied the programming steps on the host CPU for the implementing of the BC mode and Selective Message Monitor mode based of BU-61580.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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