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Design of the aircraft wheel speeds measurement based on DSP and FPGA
Pages: 131-134
Year: Issue:  6
Journal: Electronic Measurement Technology

Keyword:  FPGADSPFrequency Acquisition;
Abstract: 飞机机轮速度信号在飞机刹车过程中至关重要,轮速采集的精确性、实时性、可靠性是飞机精准刹车控制的关键因素.系统硬件以DSP+ FPGA芯片为核心,通过配置采集参数可实现计周法和计数法两种不同原理的频率采集.FPGA实时采集、更新飞机轮速信号,DSP进行算法处理,并实时监控FPGA的运行状态,一旦发生故障即复位FPGA.在满足系统实时、可靠的同时,提高了整个测量系统的安全性.通过软件优化和反复验证,调试结果表明该系统运行可靠,可以精准的测量飞机轮速.
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