Article Details

Abstract

The civil aircraft PHM system serves as a core support for ensuring the safety, reliability and cost-effectiveness of aircraft throughout the entire life cycle. Its integration process involves complex cross-system and cross-level collaboration. Based on the systems engineering approach, this paper systematically analyzes the engineering realization logic of civil aircraft PHM systems by focusing on the forward design, integration requirement development and verification paths of PHM systems. Firstly, it proposes a forward design framework that takes the health management functional chain as the main line, and constructs a hierarchical design path from the overall aircraft functional architecture and subsystem function definition to component-level physical implementation, so as to guarantee the effective connection between health management capabilities and flight safety objectives. Secondly, it establishes an integration verification path covering the component level, subsystem level, system level and overall aircraft level, and follows the system verification logic of the V-model to ensure the dynamic consistency and airworthiness compliance of the system under multiple working conditions and modes. The analysis points out that the integration engineering of the PHM system is not only a deep integration of health management, avionics integration and airworthiness certification, but also a whole-process closed-loop control process based on the systems engineering approach. This paper provides a systematic methodology and engineering path support for the independent research and development of China’s civil aircraft PHM systems, airworthiness engineering practice and the construction of health management capabilities for large-scale complex systems.

Keywords

civil aircraft PHM; forward design; integration framework; integration verification

References

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About the authors

Tao Rui (2001-), male, Han ethnicity, from Tongling, Anhui Province, doctoral student, research direction: intelligent decision-making; Corresponding author: Tao Liangyan (1988-), male, Han ethnicity, from Shouxian County, Anhui Province, associate professor, PhD, research direction: project scheduling; Fang Zhigeng (1962-), male, Han nationality, from Chizhou, Anhui Province, professor, PhD, research direction: complex equipment development management, quality and reliability management.