A method for evaluating the availability of naval equipment

A technology for equipment and ships, which is applied in the field of ship equipment availability evaluation, can solve problems such as large errors and limited applicability, and achieve the effects of small errors, fast calculation speed, and accurate algorithms

Active Publication Date: 2021-04-30
NAVAL UNIV OF ENG PLA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above inventory model with a repair probability of less than 1 has a small error when the availability is high, and a large error when the availability is low and the repair probability is high, and the scope of applicability is limited

Method used

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  • A method for evaluating the availability of naval equipment
  • A method for evaluating the availability of naval equipment
  • A method for evaluating the availability of naval equipment

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Embodiment Construction

[0073] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other. The present invention will be further described in detail below in combination with specific embodiments.

[0074] In the embodiment of the technical solution of the present invention, when the on-site equipment fails at time r, if there are LRU spare parts in the equipment deployment site spare parts warehouse, then perform LRU replacement repair on the faulty equipment, and judge whether the fau...

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Abstract

The invention discloses a method for assessing the availability of naval equipment, which includes obtaining the demand rate of equipment maintenance site components at any time; calculating the number of site components under repair according to the component demand rate of the site; and calculating the site components according to the component demand rate of the site The in-transit quantity of parts; according to the parts demand rate of the site, calculate the number of maintenance guarantee delays and transportation guarantee delays of the parts at the site; obtain the supply mean and variance of the parts at the site; calculate the Obtain the expected shortage of parts; calculate the availability of parts based on the expected shortage and variance of parts, combined with the mean and variance of parts supply; and calculate the availability of equipment. The method of the technical solution of the present invention has accurate model algorithm and fast calculation speed, is suitable for establishing a time-varying availability model of equipment at any level, has small errors when the availability is low and the repair probability is high, and has a wide range of applicability.

Description

technical field [0001] The invention belongs to the field of evaluating the availability of naval equipment, and in particular relates to a method for evaluating the availability of naval equipment. Background technique [0002] Spare parts are an important material basis for equipment maintenance. When the demand for spare parts fluctuates due to task changes and the support system cannot reach a steady state, or the spare parts support system has limited repair capabilities and the consumption rate of spare parts is greater than the regeneration and replenishment rate of spare parts, the instantaneous availability of equipment is fluctuating. For example, during the implementation of autonomous support tasks, the formation of ships with limited spare parts repair capabilities, and the formation of fighter jets that perform multi-level support for wartime tasks. Equipment is generally composed of multi-level components. The equipment site usually only has the ability to re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q10/00
CPCG06Q10/0639G06Q10/20
Inventor 彭英武周亮王慎王睿李庆民
Owner NAVAL UNIV OF ENG PLA
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