The Propulsion IVHM Technology Experiment (PITEX) has been an on-going research effort conducted over several years. PITEX has developed and applied a model-based diagnostic system for the main propulsion system of the X-34 reusable launch vehicle, a space-launch technology demonstrator. The application was simulation-based using detailed models of the propulsion subsystem to generate nominal and failure scenarios during captive carry, which is the most safety-critical portion of the X-34 flight. Since no system-level testing of the X-34 Main Propulsion System (MPS) was performed, these simulated data were used to verify and validate the software system. Advanced diagnostic and signal processing algorithms were developed and tested in real-time on flight-like hardware. In an attempt to expose potential performance problems, these PITEX algorithms were subject to numerous real-world effects in the simulated data including noise, sensor resolution, command/valve talkback information, and nominal build variations. The current research has demonstrated the potential benefits of model-based diagnostics, defined the performance metrics required to evaluate the diagnostic system, and studied the impact of real-world challenges encountered when monitoring propulsion subsystems.
Addressing the Real-World Challenges in the Development of Propulsion IVHM Technology Experiment (PITEX)
AIAA 1st Intelligent Systems Technical Conference ; 2004 ; Chicago, IL, United States
01.01.2005
Report
Keine Angabe
Englisch
British Library Conference Proceedings | 2004
|Propulsion IVHM Technology Experiment
NTIS | 2006
|Propulsion IVHM Technology Experiment
NTRS | 2006
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