Method for evaluating credibility of mechanical and electrical product simulation model based on non-probability measurement

A technology for simulation models and electromechanical products, applied in design optimization/simulation, etc., can solve problems such as inaccurate parameters, achieve rich evaluation, objective modeling quality evaluation results, and reduce the number of physical tests and test costs.

Active Publication Date: 2020-02-21
HUNAN UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the complexity of electromechanical products and measurement errors, the parameters are inaccurate when building the simulation model, which leads to a certain gap between the simulation model and the actual physical test output

Method used

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  • Method for evaluating credibility of mechanical and electrical product simulation model based on non-probability measurement
  • Method for evaluating credibility of mechanical and electrical product simulation model based on non-probability measurement
  • Method for evaluating credibility of mechanical and electrical product simulation model based on non-probability measurement

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Embodiment Construction

[0030] Below in conjunction with the drawings, as figure 1 The credibility evaluation of the smart bracelet simulation model is shown to specifically describe the preferred embodiments of the present invention. The drawings constitute a part of this application and are used together with the embodiments of the present invention to explain the principle of the present invention.

[0031] The smart bracelet is highly integrated with tiny components in a limited space, so it has higher requirements for the electronic packaging design of thermal, mechanical, and electrical properties. In order to test whether the smart bracelet meets the requirements, it is usually tested under extreme impact and relatively high temperature. Therefore, some numerical models will inevitably be used to replace the real model of the smart bracelet. How to evaluate whether these numerical models are effective Replacing the real model has become a very important part.

[0032] According to a specific embodi...

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Abstract

The invention discloses a method for evaluating the credibility of a mechanical and electrical product simulation model based on non-probability measurement. The method comprises the following steps:carrying out uncertainty measurement on parameters influencing the credibility of the mechanical and electrical product simulation model by utilizing a non-probability interval; performing taylor expansion on the electromechanical product simulation model response function to obtain an approximate linear model equation of the system; dividing the uncertainty domain of the parameters into two partsby a response model equation; at the model credibility verification point, performing integral transformation on the possibility distribution function of the calculation response of the mechanical and electrical product simulation model to obtain standard uniform distribution; and comparing the uniform distribution with the experience distribution to obtain the areas of the two distribution closed regions, thereby realizing credibility evaluation of the mechanical and electrical product simulation model. By analyzing the influence of the uncertain parameters on the modeling quality, the effectiveness of the mechanical and electrical product simulation model and the degree of replacing actual physics are objectively and quantitatively evaluated.

Description

Technical field [0001] The invention relates to a method for evaluating the credibility of a simulation model of an electromechanical product, in particular to a method for evaluating the credibility of a simulation model of an electromechanical product based on a non-probabilistic measure. Background technique [0002] Electromechanical products are usually a complex structure system with multi-source, multi-discipline, and multi-process coupling. Electromechanical products usually have limitations such as high test conditions, high cost, and long cycle. It has been difficult to meet the analysis requirements for the function and behavior of the product or its subsystems. Numerical simulation technology can reduce the number of tests and tests of physical prototypes, and can effectively overcome the quality and efficiency bottlenecks in traditional analysis and design methods. It has been widely used in various fields. However, due to the complexity and measurement errors of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
Inventor 刘杰曹立雄韦柳仁张连怡张晗杨凯
Owner HUNAN UNIV
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