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Intelligent time service management method for complex system

A management method and complex system technology, applied in the field of embedded computer signal processing, can solve the problems of high precision timing and punctuality in complex systems

Active Publication Date: 2021-04-13
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is: the embodiment of the present invention provides a complex system intelligent timing management method to solve the problem of high-precision timing and punctuality of the complex system when the satellite signal is interfered or the external timing source fails

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  • Intelligent time service management method for complex system

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Embodiment Construction

[0039] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0040] The following specific embodiments provided by the present invention can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

[0041] figure 1 It is a schematic diagram of an implementation manner of an intelligent timing management method for a complex system proposed by an embodiment of the present invention. Such as figure 1 As shown, the complex system intelligent timing management method proposed by the embodiment of the present invention includes the following implementation steps:

[0042] Step 1...

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Abstract

The invention provides an intelligent time service management method for a complex system, and the method comprises the steps: respectively receiving time code information and a second pulse signal of an external timing system source through two interfaces to serve as an external time service signal, receiving a signal of an internal timing system source through the other interface, and enabling the time code information and the second pulse signal obtained through analysis to serve as an internal time service signal; and transmitting an external time service signal sent by the external timing system source and an internal time service signal sent by the internal timing system source to the FPGA for validity judgment to obtain a timing system source validity judgment result. The method can intelligently detect the validity of a plurality of timing system sources. According to the technical scheme of the embodiment of the invention, timing system source selection is carried out according to priorities; when the timing system source breaks down, switching of the timing system source can be intelligently carried out; high-precision time service and punctuality can be continuously carried out; accurate time service can be carried out on a plurality of external devices; the problem of high-precision time service and punctuality of a complex system when satellite signals are interfered or an external timing system source fails is solved.

Description

Technical field: [0001] The invention relates to but not limited to the technical field of embedded computer signal processing, in particular to an intelligent timing management method for complex systems. Background technique: [0002] In a complex training system that includes multiple devices with different functions, it is very important to ensure that all devices work under the same clock reference. For a high-precision complex training system, to ensure the accuracy and effectiveness of the cooperation of individual devices during system operation, as well as the authenticity of post-assessment and analysis, each device in the system must ensure clock synchronization, and a unified timing source must be used to Each device in the system performs time service. [0003] There are two sources of time statistics, one is to use a special external time system reference source equipment, and the other is to directly receive satellite navigation signals to obtain satellite ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06
CPCH04J3/0644
Inventor 张妍典马伟勃刘硕林清李翠娟
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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