Research on Revolving Speed Measurement with Master-Slave Synchronous Timing Mode Based on Different M/T

XU Jing-bo; YIN Xian-yu; CUI Xiao-meng; LIU Zhi-liang; LI Zhao; LI Jun; CHEN Hao-shu

doi:10.15938/j.jhust.2018.06.023

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Research on Revolving Speed Measurement with Master-Slave Synchronous Timing Mode Based on Different M/T

更新时间：2026-08-31

- Research on Revolving Speed Measurement with Master-Slave Synchronous Timing Mode Based on Different M/T
- Vol. 23, Issue 6, Pages: 128-132(2018)
- 作者机构：
  
  1. 1 哈尔滨理工大学测控技术与通信工程学院,黑龙江,哈尔滨,150080
  2.  2 哈尔滨大电机研究所水利发电设备国家重点实验室,黑龙江,哈尔滨,150046
- 作者简介：
- 基金信息：
- DOI：10.15938/j.jhust.2018.06.023
  CLC： TN98
- Published：2018
- 稿件说明：
移动端阅览
XU Jing-bo, YIN Xian-yu, CUI Xiao-meng, et al. Research on Revolving Speed Measurement with Master-Slave Synchronous Timing Mode Based on Different M/T[J]. 2018, 23(6): 128-132.
DOI：

XU Jing-bo, YIN Xian-yu, CUI Xiao-meng, et al. Research on Revolving Speed Measurement with Master-Slave Synchronous Timing Mode Based on Different M/T[J]. 2018, 23(6): 128-132. DOI： 10.15938/j.jhust.2018.06.023.

摘要

摘要:针对旋转机械的转速测量问题，根据变M/T法原理，提出了一种主从同步定时模式的转速测量设计实现方法。设计了处理器内部两定时器同步计数协同工作方式，以及外部触发脉冲生成电路，由外部触发能够同时启动两定时器计数，并由主定时器在计数达到的条件下停止从定时器，两计数值同步对应。结合当前转速，可以动态设定主定时器计数条件，使本方法适合高、低转速测量应用。实验结果表明本方法相对测量误差小于0。2‰、覆盖5~20。000r/min的高低转速范围，并且软件处理简捷，易于实现，具有实用价值。

Abstract

Abstract:Amasterslave synchronous timing mode implementation method of revolving speedmeasurement is put forward based on different M/T aimed at the rotatingmachinery in this paper The MCU is set to make two timers synchronously countand cooperatively work

and the external trigger pulse generating circuit isdesigned The external trigger can start the two timers at the same time

andthe master timer can stop the slave timer under the condition of countingterminate that makes the two timers achieve synchronization The counting valueof master timer can be dynamically set according to the current speed

whichmakes this method suitable for high speed and low speed measurementapplications Experimental results show that the relative measurement error ofthis method is less than 02‰

has wide measurement range of 5 r/min~20.000r/min

and the processing routine is simple

easy toimplement

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