Accurate synchronization method of transient recording type fault indicator
A fault indicator, accurate synchronization technology, applied in the direction of synchronization, clocks driven by synchronous motors, instruments, etc., can solve problems such as inability to meet accurate synchronization, increase wireless transmission power consumption, time or temperature offset, etc. The effect of researching and judging accuracy, occupying less resources and improving stability
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[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to illustrate the present invention, but not to limit the present invention.
[0023] Assuming that the fault indicator acquisition unit and the fault indicator collection unit use a low-frequency 32768Hz crystal oscillator, the calibratable accuracy is (1 / 32768)us, which is approximately equal to 30.5us, and the clock offset is fixed within one clock cycle, which is the synchronization accuracy target. within 30.5us.
[0024] like figure 1 As shown in the figure, a precise synchronization method of a transient recording type fault indicator specifically includes the following steps:
[0025] Step 1: According to the one-master multi-slave mode of the transient ...
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