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Ship power station reliability real-time online evaluating system and evaluating method

A technology for evaluating systems and reliability, applied in electrical components, circuit devices, AC network circuits, etc., and can solve problems such as low reliability

Inactive Publication Date: 2014-12-03
DALIAN MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Obviously, analyzing the ship power station as a whole system, the reliability mathematical model of the ship power station obtained is far from the actual ship power station, and the evaluation of the reliability of the ship power station according to this mathematical model can only draw general and approximate conclusions , less reliable

Method used

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  • Ship power station reliability real-time online evaluating system and evaluating method
  • Ship power station reliability real-time online evaluating system and evaluating method
  • Ship power station reliability real-time online evaluating system and evaluating method

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specific Embodiment

[0198] Specific embodiments: the hardware structure of the real-time online evaluation system is composed of a lower computer controller and a human-machine interface touch screen of the upper computer. The lower computer controller is referred to as the lower computer, mainly composed of the S7-1200 series programmable logic controller (PLC) produced by Siemens, and the upper computer adopts the MT8100i Ethernet human-machine interface touch screen (HMI) produced by Weiluntong Company. The communication mode between the upper computer and the lower computer is Profinet industrial Ethernet connection.

[0199] The communication process between the upper computer and the lower computer is to first complete the programming of the PLC program of the lower computer, establish a physical connection through the RJ45 port, click the "get label information" button in the touch screen configuration software, and the touch screen will obtain each data block (DB Block, M domain and I / O) ...

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Abstract

The invention discloses a ship power station reliability real-time online evaluating system and evaluating method. The system comprises a ship power station system reliability model database storage subsystem, an information collection subsystem and an evaluating subsystem. The ship power station reliability real-time online evaluating system is used for storing a basic principle of a ship power station system reliability model, the information collection subsystem is used for collecting and monitoring ship power station working condition parameter information under the current ship power station running condition in real time, and the evaluating subsystem is used for calling a corresponding reliability model in the system reliability model database subsystem to evaluate the reliability of a current ship power station in real time according to the ship power station working condition parameters which are monitored in real time. According to the system and method, reliability block diagrams and corresponding reliability mathematical models can be built under different working conditions of a ship power station, the corresponding reliability models can be called by monitoring the working condition situations of the ship power station in real time according to the current working condition situation of the ship power station, and the reliability of the ship power station under the current working condition situation is online evaluated in real time.

Description

technical field [0001] The invention belongs to the field of ship electrical reliability engineering, and in particular relates to a real-time online evaluation system and a corresponding evaluation method for the reliability of ship power stations. Background technique [0002] Reliability engineering has now become a comprehensive new frontier discipline involving a very wide range. However, the reliability engineering in our country started relatively late, and the application of reliability technology in industry and enterprises is not yet widespread, especially in the application of domestic ship electrical systems is still a blank. [0003] Ship technology reflects the comprehensive national strength level of a country. Ship power station is an important part of the ship and an important symbol of ship technology. [0004] The reliability technology of ship power station is a multidisciplinary and highly comprehensive engineering technology developed on the basis of s...

Claims

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Application Information

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IPC IPC(8): H02J3/00
Inventor 吴志良姚玉斌王丹
Owner DALIAN MARITIME UNIVERSITY
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