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논문 기본 정보

자료유형
학술저널
저자정보
Jihyoung Cha (Korea Aerospace University) Chulsu Ha (Korea Aerospace University) Jaye Koo (Korea Aerospace University) Sangho Ko (Korea Aerospace University)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.17 Number.4
발행연도
2016.12
수록면
535 - 550 (16page)

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초록· 키워드

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Securing the safety and the reliability of liquid-propellant rocket engines (LREs) for space vehicles is indispensable as engines consist of many complex components and operate under extremely high energy-dense conditions. Thus, health monitoring has become a mandatory requirement, especially for the reusable LREs that are currently being developed. In this context, a dynamic simulation program based on MATLAB/Simulink was developed in the current research on the Space Shuttle Main Engine (SSME), a partly reusable engine. Then, a series of fault simulations using this program was conducted: at a steady state operating condition (104% Rated Propulsion Level), various simulated fault conditions were artificially injected into the simulation models for the five major valves, the pumps, and the turbines of the SSME. The consequent effects due to each fault were analyzed based on the time responses of the major parameters of the engine. It is believed that this research topic is an essential pre-step for the development of fault detection and diagnosis algorithms for reusable engines in the future.

목차

Abstract
1. Introduction
2. Simulation Model Setup and Procedures
3. Fault Simulation Results and Discussion
4. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-558-002009676