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Performance and reliability joint simulation design method for aerospace mechanical and electrical product

A co-simulation technology for electromechanical products, applied in computer-aided design, design optimization/simulation, calculation, etc., can solve problems such as poor combination of performance design and reliability design, difficulty in meeting the design cycle, hidden dangers in reliability, etc., and achieve improvement The effect of major basic capabilities, shortening the development cycle, and improving efficiency

Active Publication Date: 2020-06-02
CHINA AEROSPACE STANDARDIZATION INST
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AI Technical Summary

Problems solved by technology

[0002] In the development process of the new generation of aerospace equipment, its development trend of high reliability, high precision and strong performance has put forward higher requirements for the development process of aerospace products. At present, there are many hidden dangers in the scientific research and production of aerospace electromechanical products. Some products appear in the Situations where it does not work properly in a complex environment
After analysis, the reasons for this problem are, on the one hand, the structure of aerospace electromechanical products is complex, involving multiple disciplines such as mechanical systems, control systems, and circuit systems. The contradiction between the characteristics and the high-density task requirements of the model is becoming increasingly prominent. On the other hand, the limitations of the existing reliability design analysis technology are becoming more and more obvious. It is even difficult to meet the design cycle requirements when carrying out 1:1 tests, and the time schedule of verification tests lags behind the product development cycle
At present, there is no effective method for co-simulation design analysis and evaluation of product performance and reliability, and it is impossible to fully carry out co-simulation design based on performance and reliability.
This also leads to hidden dangers in the reliability of aerospace electromechanical products in the design and manufacturing process, which may expose reliability problems in the process of product development, testing, appraisal, and use, affecting the development progress and service performance of model products, and seriously restricting the development of aerospace products. Equipment performance

Method used

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  • Performance and reliability joint simulation design method for aerospace mechanical and electrical product
  • Performance and reliability joint simulation design method for aerospace mechanical and electrical product
  • Performance and reliability joint simulation design method for aerospace mechanical and electrical product

Examples

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Embodiment

[0164] A typical product selects the electromechanical product solar wing drive mechanism on a certain type of remote sensing satellite public platform as the case object. According to the product design requirements, it has been in orbit for 8 years, and the reliability index is 0.995.

[0165] (1) The random vibration, temperature cycle and energizing current are sorted out as the typical stress types of the solar wing drive mechanism.

[0166] (2) It is analyzed that the movement jamming and thermal deformation of the rotating parts, the fracture of structural parts, and the short circuit and short circuit of the circuit are the main failure modes and failure mechanisms of the solar wing drive mechanism.

[0167] (3) The structural simulation model, control simulation model and circuit simulation model of the solar wing drive mechanism are constructed, and the model reaches more than 90% after verification. .

[0168] (4) After the sensitivity analysis of the design parame...

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Abstract

The invention discloses a performance and reliability joint simulation design method for an aerospace mechanical and electrical product. Actual operation conditions of products can be comprehensivelycovered, weak links are fully exposed, performance design and reliability design are effectively combined, a quantitative relation between reliability indexes and key performance design parameters isestablished, design and manufacturing of the products are effectively guided, and the reliability design level of the products is fundamentally improved. According to the method, a technical approachand a method support can be provided for integrating product reliability design analysis into conventional design; a major breakthrough of a product performance and reliability combined design technology is achieved, the major basic capacity is improved, the cost is effectively reduced, the development period is shortened, the efficiency is improved, and high-level technical services are providedfor developing aerospace electromechanical products with high reliability, high precision and high performance.

Description

technical field [0001] The invention belongs to the technical field of aerospace service life and reliability, and in particular relates to a joint simulation design method for the performance and reliability of aerospace electromechanical products. Background technique [0002] In the development process of the new generation of aerospace equipment, its development trend of high reliability, high precision and strong performance has put forward higher requirements for the development process of aerospace products. At present, there are many hidden dangers in the scientific research and production of aerospace electromechanical products. Some products appear in the Situations where it does not work properly in a complex environment. After analysis, the reasons for this problem are, on the one hand, the structure of aerospace electromechanical products is complex, involving multiple disciplines such as mechanical systems, control systems, and circuit systems. The contradicti...

Claims

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Application Information

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IPC IPC(8): G06F30/17G06F30/23G06F119/02G06F119/04G06F111/10
CPCY02T90/00
Inventor 栾家辉朱兴高石士进陈皓代永德韩慧超米海波王诏宣
Owner CHINA AEROSPACE STANDARDIZATION INST
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