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An industrial automation multi-point cluster system and its task management method

An industrial automation and cluster system technology, applied in the field of task management in industrial automation multi-point cluster systems, can solve the problems of dual-machine mutual backup performance bottlenecks, large loads, etc., and achieve the effect of improving overall resource utilization and system stability

Active Publication Date: 2014-10-08
ASAT CHINA TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, there is a performance bottleneck in dual-machine mutual backup, that is, if one server fails, two applications need to be run on the other server at the same time, and the load may be too large

Method used

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  • An industrial automation multi-point cluster system and its task management method
  • An industrial automation multi-point cluster system and its task management method

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Embodiment Construction

[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0031] The first embodiment of the present invention relates to a method for task management of an industrial automation multi-point cluster system. In this embodiment, the multi-point cluster system includes a cluster controller and three application servers under its control, each application server is in charge of one or two stations, and is connected to the pipeline of the station in charge, such as figure 1 As shown, it provides general application services for the station in charge, such as data collection for industrial intelligent devices in the station.

[0032] The specific task management process is as follows: figure 2 As shown, in step 201, the cluster controller regularly evaluates the health status and task volume of eac...

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Abstract

The invention discloses an industrial automatic multi-point cluster system and a task management method thereof. The task distribution condition is determined by combining the distribution of tasks in the multi-point cluster system and the load change tendency of a server according to the next stage task quantity of the server and the change of the health condition. In the industrial automatic system, because the basic services provided by the server are fixed, the task quantity change laws and the corresponding health conditions of the server can be reckoned through front N times of assessment conditions of the task quantity and the health condition, the probable task quantity and the corresponding health condition of the server at the next stage can be known according to the laws, reasonable task distribution is given, resource vacancy formed by overlarge load or reduction of the next stage task of the server due to superposition of the task distributed by a cluster controller and the increased task of the server is avoided, the load of each server can be equally distributed is furthest ensured, and the integral resource utilization rate and the stability of the system are improved.

Description

technical field [0001] The invention relates to a task management technology in an industrial automation multi-point cluster system Background technique [0002] In the field of industrial automation, in order to improve the reliability of the system, the functional components that play a key role in the continuous operation of the system are generally redundantly configured. The master-slave mode is the most standard and simplest dual-machine hot standby redundancy method, that is Currently commonly referred to as active / standby mode. It uses two servers, one as the main server (Active), running the application system to provide services. The other one is used as a backup machine, which adopts the same configuration as the main operating server and installs exactly the same application system, but is in a standby state (Standby). When the main operating server fails or needs to be replaced or the internal operating system of the main operating server needs to be updated, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/50G05B19/418
CPCY02P90/02
Inventor 梁俊孙胜前
Owner ASAT CHINA TECH
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