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Method and device for calculating availability ratio of redundancy-incomplete maintainable system

A maintenance system and calculation method technology, applied in general control systems, control/adjustment systems, test/monitoring control systems, etc., can solve the problems of difficult calculation of the availability of repairable systems, lack of redundancy and incomplete repairable systems, etc. Achieve the effect of simple calculation method

Active Publication Date: 2018-07-27
北京龙鼎源科技股份有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] An embodiment of the present invention provides a method and device for calculating the availability rate of a redundant incomplete repairable system, to at least solve the system problem caused by the lack of a calculation method for the availability rate of a redundant incomplete repairable system in the prior art Technical Problems of Difficult Calculation of Availability Rate of Redundant Incompletely Repairable System

Method used

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  • Method and device for calculating availability ratio of redundancy-incomplete maintainable system
  • Method and device for calculating availability ratio of redundancy-incomplete maintainable system
  • Method and device for calculating availability ratio of redundancy-incomplete maintainable system

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Embodiment 1

[0032] According to an embodiment of the present invention, an embodiment of a method for calculating the availability rate of a redundant incomplete repairable system is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a set of computer-executable instructions such as computer system, and although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0033] figure 1 is a schematic flow chart of a calculation method for the availability rate of a redundant incomplete repairable system according to an embodiment of the present invention, as shown in figure 1 As shown, the method includes the following steps:

[0034] Step S102, defining various states in the automatic control system, wherein the various states include: all normal, partly normal and all faults;

[0035] Step S104, calculating the trans...

Embodiment 2

[0079] According to another aspect of the embodiments of the present invention, there is also provided a calculation device for the availability rate of redundant incomplete repairable systems, Figure 4 is a schematic structural diagram of a calculation device for the availability rate of a redundant incomplete repairable system according to an embodiment of the present invention, as shown in Figure 4 As shown, the computing device includes:

[0080] The definition module 42 is used to define various states in the automatic control system, wherein the various states include: all normal, some normal and all faults; the first calculation module 44 is used to calculate the failure rate and maintenance rate according to the pre-acquired The probability of transition between various states in the automatic control system; the second calculation module 46 is used to calculate the probability of transition between various states according to preset calculation conditions to obtain ...

Embodiment 3

[0088] According to yet another aspect of the embodiments of the present invention, there is also provided a storage medium, the storage medium includes a stored program, wherein when the program is running, the device where the storage medium is located is controlled to execute the redundancy in the first embodiment above. Calculation method of availability rate of incompletely repairable system.

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Abstract

The invention discloses a method and a device for calculating the availability ratio of a redundancy-incomplete maintainable system. The method comprises the following steps of defining various statesin an automatic control system, wherein all the states comprise an all-normal state, a partial-normal state and an all-fault state; calculating the conversion probability among various states in theautomatic control system according to a pre-acquired failure rate and a pre-acquired maintenance rate; calculating the conversion probability among various states according to a pre-designed algorithm, and obtaining the availability ratio of the redundancy-incomplete maintainable system. According to the invention, the problem that the availability ratio of the redundancy-incomplete maintainable system is difficult to calculate due to the fact that no calculation method for calculating the availability ratio of the redundancy-incomplete maintainable system is available in the prior art can besolved.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to a method and device for calculating the availability rate of a redundant incomplete maintainable system. Background technique [0002] At present, automatic control systems are widely used in many important fields such as petroleum, natural gas, chemical industry, and fire protection. The availability of the system directly affects the construction difficulty of the project site, the progress of the project and the economic interests of users. Therefore, in order to improve the availability of the system, a technical solution of system redundancy configuration is usually adopted. Under the redundant configuration, the system can realize the automatic switchover of the failure, and can also realize the replacement or maintenance of the faulty module. This greatly improves the availability of the system and prolongs the mean time before failure (Mean Time To Failure, MT...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02G06F17/16
CPCG05B23/0205G06F17/16
Inventor 耿岳王玥刘江江
Owner 北京龙鼎源科技股份有限公司
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