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http://dx.doi.org/10.5139/JKSAS.2004.32.9.072

Thruster Fault Detection of the Launch Vehicle Upper Stage Attitude Control System  

Lee, Soo-Jin (삼성종합기술원 HCI 실험실)
Kwon, Hyuk-Hoon (한국과학기술원 항공우주공학과 대학원)
Hwang, Tae-Won (한국과학기술원 항공우주공학과 대학원)
Tahk, Min-Jea (한국과학기술원 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.32, no.9, 2004 , pp. 72-79 More about this Journal
Abstract
A method for thruster fault diagnosis for launch vehicle upper stage was developed. In order to protect the launch vehicle against the occurrence of faults, it is necessary to detect and identify the fault, as well as to reconfigure the controller of the vehicle. Considering the upper stage launch vehicle using reaction control system, an analytical method was adopted in order to detect the fault occurred in thruster. The fault detection scheme can be applied to the system regardless of the form of thruster fault occurred - leakage or lock-out. Results from processor-in-the-loop simulation are provided to demonstrate the validity of this fault detection and isolation scheme for the upper stage launch vehicle.
Keywords
FDI; upper stage launch vehicle; RCS; PILS(processor-in-the-loop simulation);
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  • Reference
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