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System, apparatus and method of condition based management of one or more electro-mechanical systems

A technology of electromechanical systems and conditions, applied in general control systems, control/regulation systems, test/monitoring control systems, etc., can solve problems such as stress combination effects not considered

Pending Publication Date: 2022-01-28
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this prediction may not take into account the combined effects of different types of stress

Method used

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[0032] Hereinafter, examples for carrying out the present invention are described in detail. Various embodiments are described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident that such embodiments may be practiced without these specific details.

[0033] As used herein, the term "accelerated" refers to conditions in which an electromechanical system is operated above rated stresses specified for the system. "Accelerated" conditions are different from "normal" conditions in which electromechanical systems are operated within rated stresses. Rated stresses may be specified in the catalog at the time of manufacture of the electromechanical system.

[0034] figure 1 An apparatus 100 for condition-based management of an electrome...

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Abstract

System, Device and Method of Condition Based Management of Electro-Mechanical Systems are disclosed. The method includes generating a stress profile for the electro-mechanical system (180, 680) based on operating or simulating operation of the electro-mechanical system (180, 680) in accordance with a load profile, wherein the load profile indicative of operation duration and load capacity of the electro-mechanical system (180, 680); receiving condition data, associated with the electro-mechanical system (180, 680) in operation, from a plurality of sensing units (108); and predicting a failure instance of the electro-mechanical system (180, 680) using an accelerated degradation model based on at least one of the stress profile and the condition data, wherein the accelerated degradation model is generated when the electro-mechanical system (180, 680) is operated above a rated stress; and comparing the predicted failure instance with an actual failure instance upon failure of the electro-mechanical system (180, 20 680), for tuning the accelerated degradation model.

Description

technical field [0001] The present invention relates to condition-based management of one or more electromechanical systems. Background technique [0002] Electromechanical systems are subjected to many types of stress. Stress includes mechanical stress, electrical stress, process stress, etc. The lifetime of electromechanical systems depends on stress. Failure can be initiated when the stress exceeds the strength of the electromechanical system. Stress can have varying effects on electromechanical systems. For example, electrical stress can shorten the life of stator insulation or windings. Mechanical stress may shorten the life of the bearings, reduce the fatigue strength of the rotor, etc. Process stresses can shorten rotor life. [0003] Changes in impact can be difficult to estimate. Especially when stresses act together, estimating the lifetime of electromechanical systems can be difficult and can lead to inaccurate predictions. [0004] Techniques exist for pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02B60W30/184G05B23/02
CPCG05B17/02G05B23/02B60W30/184G05B23/0283
Inventor P·V·S·奈尔
Owner SIEMENS AG