Abstract
Aiming at the fault alarm requirement of a certain type of aircraft, a new type of airborne integrated alarm system is designed. The system adopts modular design idea, and the acquisition part is composed of multi-slice shift register 54HC165 cascade, which can reduce the number of control pins; the main control part uses the heterogeneous processing scheme of DSP and FPGA, which not only ensures the real-time processing of information, but also enriches the interactive ability of the interface; the output part uses a single FPGA to control the alarm lamp box, giving full play to the system advantages of centralized alarm and hierarchical processing. potential. Ground debugging experiments show that the system can accurately judge the aircraft warning information, and quickly notify the pilot according to the degree of emergency. The scheme is simple to implement, and the interface is scalable, so it has high practical value with strong portability and expansibility.
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