Advanced civil aircraft flight control system architecture and safety design considerations

Wang Dong; Li Jianing; Ma Zifei; Ma Xiaobo

doi:10.20193/j.ices2097-4191.2026.0059

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Integrated Circuits and Embedded Systems ›› 2026, Vol. 26 ›› Issue (10) : 58-66. DOI: 10.20193/j.ices2097-4191.2026.0059

Special Issue on Air-space Intelligent Connectivity: Innovative Research on Integrated Circuits and Airborne Systems for the Low-altitude Economy

Advanced civil aircraft flight control system architecture and safety design considerations

Wang Dong ¹^,^* ,
Li Jianing ² ,
Ma Zifei ¹ ,
Ma Xiaobo ¹

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Abstract

As a safety-critical airborne system， the flight control system requires highly reliable redundancy architectures and safety design strategies. In this paper， the redundancy architectures of civil aircraft fly-by-wire flight control systems are investigated. Based on the concept of ultimate electrical backup for the common mode problem of airworthiness safety， a lightweight advanced flight control system architecture for civil aircraft is proposed， including the design of control logic and an electrical backup control computer. Finally， taking an advanced flight control system architecture of a general aviation unmanned transport aircraft as the research object， a safety analysis is conducted based on the basic pitch control function. The results validate that the flight control system architecture satisfies the safety requirement.

Key words

civil aircraft / flight control system / redundancy architecture / ultimate electrical backup / safety analysis

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Wang Dong , Li Jianing , Ma Zifei , et al. Advanced civil aircraft flight control system architecture and safety design considerations[J]. Integrated Circuits and Embedded Systems. 2026, 26(10): 58-66 https://doi.org/10.20193/j.ices2097-4191.2026.0059

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