Method of determining anti-skid brake control device vibration weak link

A control device and anti-skid braking technology, which is used in measuring devices, vibration testing, testing electrical devices in transportation, etc., can solve the problems of low calculation accuracy, long test time, large capital consumption, etc., and achieve low energy consumption and save testing. time, and the effect of reducing energy consumption

Inactive Publication Date: 2017-03-08
XIAN AVIATION BRAKE TECH
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0036] In order to overcome the shortcomings of long test time, high cost, large capital consumption and low calculation accuracy existin

Method used

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  • Method of determining anti-skid brake control device vibration weak link
  • Method of determining anti-skid brake control device vibration weak link

Examples

Experimental program
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Embodiment Construction

[0110] This embodiment takes a civil transport aircraft anti-skid brake control device as an example. The power supply is provided by the aircraft, and the electric signal of the wheel speed change is received to control the anti-skid brake pressure. The anti-skid brake control device can complete the functions of normal landing anti-skid brake control, wheel-to-wheel protection, ground protection, and wheel anti-rotation brake after the aircraft takes off.

[0111] A control board and a recording board are installed in the anti-skid brake control device, two circuit boards in total. The analysis object is the vibration model of the antiskid brake control device established by software.

[0112] The calculation conditions required in this embodiment are:

[0113] 1 The software used:

[0114] 1) Drawing three-dimensional geometric figure software: CITIA V5R18;

[0115] 2) Modeling software: Hypermesh / 10.0;

[0116] 3) Analysis software: NASTRAN2008r1;.

[0117] 2Environm...

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Abstract

The invention discloses a method of determining an anti-skid brake control device vibration weak link. The anti-skid brake control device vibration weak link is determined through a computer technology, and a design improvement proposal is brought forward according to the determined vibration weak link. The method of the invention has the beneficial effects that the energy consumption is low; test samples for the anti-skid brake control device are saved; and the energy-saving and consumption-reducing effects are obvious.

Description

technical field [0001] The invention relates to the field of vibration failure analysis of civil transport aircraft electronic products, in particular to a method for determining the vibration weak link of an anti-skid brake control device by using computer technology. Background technique [0002] The antiskid brake control is an electronic product in the aircraft braking system. [0003] The working principle of the anti-skid brake control device is to receive the electrical signal of wheel speed change transmitted by the wheel speed sensor, and to control the brake pressure during the landing anti-skid braking process according to the electrical signal, which can complete the normal landing anti-skid brake control and the take-off line brake control. , Inter-wheel protection pressure control, main engine wheel ground protection control, and various control functions of the wheel stop brake after the landing gear is retracted. [0004] The anti-skid brake control device i...

Claims

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Application Information

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IPC IPC(8): G01R31/00G01M7/02
CPCG01M7/02G01R31/008
Inventor 乔建军乔子骅
Owner XIAN AVIATION BRAKE TECH
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