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Sub-microsecond multipath synchronization triggering device and triggering method thereof

A technology of multi-channel synchronization and triggering device, applied in the field of automation, can solve the problems of inability to monitor the synchronization effect in real time, difficulty in implementation, low precision, etc., and achieve the effect of overcoming the difference of multi-channel transmission paths, ensuring long-term stability and ensuring synchronization.

Inactive Publication Date: 2017-09-15
XIAN TECHNOLOGICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main problems that still exist in these methods are difficulties in implementation, low precision, high cost, and the inability to monitor the synchronization effect in real time.

Method used

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  • Sub-microsecond multipath synchronization triggering device and triggering method thereof
  • Sub-microsecond multipath synchronization triggering device and triggering method thereof
  • Sub-microsecond multipath synchronization triggering device and triggering method thereof

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings, a sub-microsecond multi-channel synchronous trigger device and its trigger method, a sub-microsecond multi-channel synchronous trigger method, when the trigger pulse generated by the instrument reaches the action end, the echo signal It will return to the output end of the original signal along the same path as the original signal, and through the detection and analysis of the instrument, the detection and estimation of the transmission delay of the trigger signal will be completed. The above method is based on the same path echo detection technology, has the detection function of signal transmission path delay, and can realize real-time monitoring of trigger signal path delay;

[0022] The specific principle of the above method is as follows:

[0023] figure 1 It is a schematic diagram of measuring the round-trip delay time of cables with the same diameter according to...

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Abstract

The invention relates to a sub-microsecond multipath synchronization triggering method. The method comprises steps that when a triggering pulse generated by an apparatus reaches an action end, an echo signal will returns to the output end of an original signal along the path the same as that of the original signal; and through detection and analysis of the apparatus, detection and estimation of transmission delays of the triggering signal are finished. The invention also discloses a sub-microsecond multipath synchronization triggering device. According to the invention, based on the same-path echo detection technology, the device and the method have a detection function of the signal transmission path delays and are capable of achieving real-time monitoring of path delays of the triggering signals; in the triggering method, based on the maximum tolerance principle, by use of the delay compensation technology, high precision synchronization of triggering signals at the acting moment is achieved; and effects caused by difference of multiple transmission paths can be effectively avoided without ensuring that the signal transmission paths are symmetrical highly.

Description

technical field [0001] The invention belongs to the technical field of automation, and specifically relates to a sub-microsecond multi-channel synchronous trigger device and a trigger method thereof. The device and method can be applied in a distributed engineering measurement and control environment to estimate and compensate signal transmission path delays, and can ensure High-precision synchronization of trigger signal action time, or strictly and accurately guarantee the sequence relationship of multiple trigger signals. Background technique [0002] In the field of distributed measurement and control, in order to realize the comprehensive measurement, dynamic tracking and equipment control of the burst process, it is often necessary to ensure that the triggering times of multiple equipment are accurately synchronized or have a strict sequence relationship. [0003] However, due to the scattered locations of devices and the obvious differences in the transmission paths o...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/21073
Inventor 宋玉贵李笑娟冯斌王国珲
Owner XIAN TECHNOLOGICAL UNIV
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