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Optimization design method of ejection system interlocking device

A technology of interlocking device and optimized design, applied in design optimization/simulation, geometric CAD, etc., to achieve the effect of improving safety, improving safety, and improving reliability

Active Publication Date: 2020-05-12
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] In the related art, the optimized design of the parts related to the ejection seat is mainly aimed at the seat body, specifically the beam, and there is no method to analyze and optimize the design from the cause of the ejection lifesaving failure

Method used

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  • Optimization design method of ejection system interlocking device
  • Optimization design method of ejection system interlocking device
  • Optimization design method of ejection system interlocking device

Examples

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Embodiment Construction

[0055] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0056] The performance of the ejection life-saving device is directly related to the life safety of the pilot and the combat capability of the aircraft. Therefore, it has been highly valued by countries all over the world, and it is constantly developing and improving. Efforts to make the development of aviation lifesaving devices catch up with the development of aircraft performance and improve the success rate of aviation l...

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Abstract

The invention relates to the technical field of optimization design, in particular to an optimization design method of an ejection system interlocking device. The optimization design method comprisesthe following steps: establishing a simulation model of the interlocking device, and defining a plurality of input variables of the simulation model; defining a failure mode of the simulation model, and obtaining a failure probability expression in the failure mode according to the input variable; selecting at least one input variable as a design variable, and the interlocking device is optimallydesigned by taking the failure probability expression as a target function; the interlocking device is optimally designed, the reason of ejection lifesaving failure is analyzed and optimally designed,and the safety of the ejection seat is improved; the failure probability expression is used as a target function, so that the optimization design is directly related to the failure probability, the reliability of the optimization design is improved, the safety of the interlocking device is further improved, and the safety of the ejection seat is improved.

Description

technical field [0001] The present disclosure relates to the technical field of optimal design, in particular to an optimal design method of an interlocking device of an ejection system. Background technique [0002] As an important safety device in aviation lifesaving, ejection seat is the most extensive and reliable lifesaving tool in the current lifesaving system. The separation mechanism box of the ejection system is an important part to realize the ejection function. The action failure of the mechanism box will directly affect the function of the ejection system. Therefore, it is of great significance to carry out reliability research on the mechanism box. The interlock device is the key mechanism in the mechanism box of the aircraft ejection system. It is the premise to ensure that the ejection process works according to the predetermined working procedure, and it is also an important component that affects the success of the ejection lifesaving. Improving the reliabi...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F30/17
Inventor 王攀岳珠峰张政李海和赵浩东黄晓宇常琦
Owner NORTHWESTERN POLYTECHNICAL UNIV
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