Design and implementation of rotating speeds modulation for a certain type of engine

Xin Li; Yue Zhang; DongChen Bao; JiPeng Zhao

doi:10.1117/12.2624705

13 December 2021 Design and implementation of rotating speeds modulation for a certain type of engine

Xin Li, Yue Zhang, DongChen Bao, JiPeng Zhao

Proceedings Volume 12087, International Conference on Electronic Information Engineering and Computer Technology (EIECT 2021); 1208703 (2021) https://doi.org/10.1117/12.2624705
Event: International Conference on Electronic Information Engineering and Computer Technology (EIECT 2021), 2021, Kunming, China

Abstract

The output of engine speed sensor is the signal with irregular frequency, which can not be directly detected by general speed acquisition equipment. Generally, the traditional method of speed modulation is to adjust the maximum value of the signal through resistance divider or proportional amplifier circuit, and subsequently acquiring the square wave signal via hysteresis comparator. Aiming at improving traditional methods with disadvantages such as large blind area and difficult component selection, this paper develops a speed modulation method based on the characteristics of speed signal. The established method succeeded in converting irregular speed signal into square wave signal with the same frequency to meet the sampling requirements, which lay the foundation for its accurate measurement in the next step. Our work focuses on the circuit design, Multisim simulation and implementation of the developed method. The results show that the design of rotating speeds modulation is correct with concise structure, lower consumption and high stability.

Citation Download Citation

Xin Li, Yue Zhang, DongChen Bao, and JiPeng Zhao "Design and implementation of rotating speeds modulation for a certain type of engine", Proc. SPIE 12087, International Conference on Electronic Information Engineering and Computer Technology (EIECT 2021), 1208703 (13 December 2021); https://doi.org/10.1117/12.2624705

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