Review of Redundancy and Fault Tolerance Techniques for Liquid Rocket Motor Fault Diagnosis System
This paper summarizes the research on redundancy and fault-tolerance technology for liquid rocket engine fault diagno-sis system,introduces its importance and continuous development needs,emphasizes the crucial role of high reliability and safety in the success of space missions,analyzes the current research status both domestically and internationally in detail,presents the latest progress and specific application examples from different countries and research institutions,explains the importance of redundancy and fault-tolerance technology on rocket engine fault diagnosis system,and discusses the development history,key technology and current research results of this technology.By comparing several classical redundancy and fault-tolerant means,it points out the feasi-bility and advantages and disadvantages of each redundant structure on the system,and introduces the two-node and hot-backup scheme in detail,which provides researches a reference basis.From theoretical basis to practical application,and then from current technological challenges in the research to future development directions,it provides a comprehensive overview and analysis of the re-search on redundancy and fault-tolerance technology for liquid rocket engine fault diagnosis system.
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