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本文首先简介了PA-44-180型飞机的特点及失速状态。之后通过对中飞院PA-44-180型飞机失速警告系统控制方式的研究,掌握其工作特点。并针对系统的设计缺陷,提出对其控制线路进行改进的可行方案。按照该方案对中飞院执管的PA-44-180型飞机进行改进后明显提高了失速警告系统可靠性,方便了机务日常维护工作,进而对保障该型飞机机群的安全运行有较大意义。
This article first describes the PA-44-180 aircraft characteristics and stall conditions. After that, through the research on the control mode of the speeding warning system of PA-44-180 aircraft in the fly yard, master the working characteristics. In the light of the design flaw of the system, a feasible scheme of improving the control circuit is put forward. The improvement of the PA-44-180 aircraft under the control of this project significantly improved the reliability of the stall warning system and facilitated routine maintenance of the aircraft, which in turn made it more meaningful to ensure the safe operation of this aircraft cluster .