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System for measuring rotating speed of aviation gasoline engine
Authors
吴冲
吴镇炜
+3 more
戴磊
韩建达
齐俊桐
Publication date
18 January 2012
Publisher
Abstract
本实用新型为一种航空汽油发动机转速测量系统,以发动机的点火发电机为信号源,该系统包括毛刺过滤单元、电流限幅单元、信号隔离单元及信号翻转单元;所述毛刺过滤单元的输入端与发动机的点火发电机连接,毛刺过滤单元的输出端与电流限幅单元连接;所述电流限幅单元输入端与毛刺过滤单元连接,电流限幅单元输出端与信号隔离单元连接;所述信号隔离单元输入端与电流限幅单元连接,信号隔离单元输出端与信号翻转单元连接;所述信号翻转单元输入端与信号隔离单元连接,信号翻转单元输出端与发动机转速控制器连接。该系统无需在发动机旋转部件上安装敏感器件,通过发动机的点火发电机的点火脉冲来计算发动机的转速。测速不受光照、强磁场、强电场的影响,原理简单、可靠
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 12/02/2018