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Electromechanical system equipment health assessment method

An electromechanical system and health assessment technology, applied in the field of ship control, can solve the problems of large information redundancy, incompleteness, lack of status information, etc., to achieve the effect of satisfying information requirements, complete status information, and low test cost

Active Publication Date: 2016-09-07
CSSC SYST ENG RES INST
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Problems solved by technology

[0007] In view of the above analysis, the present invention aims to provide a health assessment method for electromechanical system equipment, which is used to solve the problems of high test cost, large information redundancy, strong background noise, lack of state information, incomplete state information, and inability to solve existing equipment health assessment methods. Meeting the information needs of equipment health management and other issues

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  • Electromechanical system equipment health assessment method
  • Electromechanical system equipment health assessment method
  • Electromechanical system equipment health assessment method

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Embodiment Construction

[0040] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention.

[0041] According to a specific embodiment of the present invention, an equipment health assessment method for electromechanical systems is disclosed, such as Figure 6 As shown, it specifically includes the following steps:

[0042] Step S1, according to the equipment characteristics, structural composition and functional composition of the electromechanical system, decompose the structure and function of the electromechanical system; and obtain the historical operating parameters of each sub-component.

[0043] Because for different parameters, when performing fault diagnosis, it is necessary to diagnose from the structure / function. Therefore, when com...

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Abstract

The invention discloses an electromechanical system equipment health assessment method, and the method comprises the following steps: carrying out the structure and function decomposition of an electromechanical system; obtaining historical operation parameters of all sub-parts; carrying out an extension failure mode and impact analysis based on a decomposition result, and determining representation parameters for representing a fault; determining a key feature factor set affecting the health of the system, and constructing multi-dimensional space parameters representing early state mode recognition indexes; obtaining a sensor signal, and carrying out fault abnormality detection according to the multi-dimensional space parameters. The method is low in testing cost, is weaker in background noises, is complete in state information, and can meet the information demands for equipment health management.

Description

technical field [0001] The invention relates to a method for evaluating the health state of an electromechanical system, belonging to the technical field of ship control. Background technique [0002] Equipment health management is of great significance for improving the safety, reliability, maintainability and affordability of complex equipment, reducing life cycle costs, and realizing autonomous maintenance and predictive maintenance. Status information is the basis for equipment health management, and the premise of obtaining status information is to determine a reasonable early status pattern recognition index. Reasonable early state pattern recognition indicators can effectively characterize fault symptoms and track fault evolution so as to quickly and accurately realize state monitoring, fault diagnosis, fault prediction and health assessment. In addition, in the equipment design stage, the selection of early state pattern recognition indicators will affect the alloca...

Claims

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Application Information

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IPC IPC(8): G06Q10/06
CPCG06Q10/0639
Inventor 张成伟刘鹏鹏童一峻陈卓陈桂玲许萌萌
Owner CSSC SYST ENG RES INST
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