基于联合仿真的飞机空调系统故障影响

doi:10.7527/S1000-6893.2020.23647

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2020, Vol. 41 ›› Issue (8): 323647-323647.doi: 10.7527/S1000-6893.2020.23647

• Electronics and Electrical Engineering and Control • Previous Articles Next Articles

Fault impact of aircraft air conditioning system based on joint simulation

SHI Xudong¹, JIANG Guijia², ZHANG Yu¹, ZHAO Hongxu¹

1. Electronic Information and Automation College, Civil Aviation University of China, Tianjin 300300, China;
2. College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China

Received:2019-11-11 Revised:2019-12-10 Online:2020-08-15 Published:2020-04-25
Supported by:
National Natural Science Foundation of China (U1733201); Innovation Fund of National Engineering and Research Center for Commercial Aircraft Manufacturing(COMAC-SFGS-2019-343);The Innovation Team Cultivation Plan of Colleges and Universities in Tianjin (TD13-5071); The Fundamental Research Funds for the Central Universities(3122016A009)

Abstract

Abstract: The air conditioning system, being an important part of the aircraft, is one of the systems with the highest failure rate, because its performance is highly related to many factors such as the external environment and the operating parameters during flight. Since the air conditioning system faults mainly occur during flight, they are hard to reproduce in ground tests. Therefore, fault impact analyses of the aircraft air conditioning system based on joint simulation is of remarkable significance for the aircraft design verification and ground maintenance. This study first establishes the ram air inlet model, the engine compressor model, the pressure regulation and pre-cooling component model, and the refrigeration component model according to the principle of aircraft air conditioning system. The dynamic change process of the air conditioning system component performance during flight is then simulated based on the AMESim-Simulink joint simulation platform. Finally, typical faults such as precooler leakage, precooler air valve stuck, pressure sensor impact, ram air intake actuator stuck are simulated, reproducing the faults of the air conditioning system during flight and analyzing the change process of air conditioning component performance.

Key words: aircraft air conditioning system, dynamic process simulation, fault analysis, dynamic flight parameters, AMESim

CLC Number:

SHI Xudong, JIANG Guijia, ZHANG Yu, ZHAO Hongxu. Fault impact of aircraft air conditioning system based on joint simulation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(8): 323647-323647.

References 21

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Fault impact of aircraft air conditioning system based on joint simulation

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