Data-driven complex electromechanical system service quality state evaluation method
A technology for electromechanical system and state evaluation, applied in data processing applications, registering/indicating machine work, resources, etc., can solve problems such as numerous influencing factors, multiple system points and long lines, and complex coupling relationships between system service quality state monitoring variables , to achieve the effects of loose application conditions, improved capabilities and automation levels
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[0049] The present invention will be further explained below in conjunction with specific embodiments and accompanying drawings.
[0050] see figure 1 , the present invention comprises the following steps:
[0051] 1) Historical data processing:
[0052] The historical data processing step is based on the historical data of service quality status monitoring of complex electromechanical systems and the business management data of complex electromechanical systems, training the eigenmode set of service quality status of complex electromechanical systems, extracting the characteristics of each mode, and estimating the different The probability density function of different features in the model establishes the evaluation standard for the subsequent evaluation process. The historical data processing steps are realized through the following processing links:
[0053] 1.1) Data extraction and preprocessing: extract complex electromechanical system service quality status monitorin...
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