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Device and method for obtaining mechanical loads on thrust elements

A technology of mechanical loads and equipment, applied in the testing of machine/structural components, measuring force, aircraft control, etc., can solve the problem of loss of function associated with landing flaps

Active Publication Date: 2016-10-26
AIRBUS OPERATIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that if there is an error, the functionality associated with the landing flaps will be completely lost

Method used

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  • Device and method for obtaining mechanical loads on thrust elements
  • Device and method for obtaining mechanical loads on thrust elements
  • Device and method for obtaining mechanical loads on thrust elements

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Experimental program
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Embodiment Construction

[0040] Figure 1a with 1b A component or body 2 to be inspected is shown, on which a dielectric layer 4 is arranged with a fixing layer 6 , wherein the fixing layer 6 can be equipped with a recessed structure 8 , such as a trench. The recessed structure can be produced using, for example, conventional dry or wet chemical etching techniques enabling particularly precise processing. The fixed layer 6 can be made of silicon, for example. The fixed layer 6 supports a carrier layer 10 on which the first electrode 12 , the second electrode 13 and the active layer 14 arranged between the first electrode 12 and the second electrode 13 are located.

[0041] The active layer 14 is made of a piezoelectric material, preferably aluminum nitride (AlN).

[0042] When excited via the first electrode 12 and the second electrode 13, the micro-bridge structure 16 is capable of performing oscillations by means of an alternating voltage source. If the frequency of the alternating voltage source...

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PUM

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Abstract

A device for acquiring a mechanical load on a mechanically loaded body, having a resonant microbridge structure (16), an alternating voltage source (22) with variable frequency, for acquiring the microbridge structure (16) An impedance measuring device (18) for the impedance of the impedance, and an electronic unit (20) for receiving the determined impedance value and changing the frequency of the alternating voltage source (22). By exciting the micro-bridge structure ( 16 ) and measuring its impedance, conclusions can be drawn about the resonance frequency associated with the expansion, which in turn makes it possible to determine the expansion and thus the mechanical load. This device is sufficiently precise and largely immune to external influences.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to German Patent Application No. 10 2010 024711.1, filed June 23, 2010, and U.S. Provisional Patent Application No. 61 / 357,805, filed June 23, 2010, the disclosures of which are hereby The content is incorporated herein by reference. technical field [0003] The invention relates to a device for detecting a mechanical load on a thrust element, a method for detecting a mechanical load on a thrust element and an aircraft having a flap adjustment system with a thrust element for which the device according to the invention is used to obtain the mechanical load. Background technique [0004] Various devices and methods exist in the prior art for acquiring mechanical loads on components. A particularly common method involves obtaining the expansion of the respective component, which method can be used to calculate the lift force given knowledge of the mechanical properties such as the modul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/16B64C9/00
CPCB64D2045/0085G01B7/16G01L1/162G01M5/0041G01M5/0066G01L1/20
Inventor 托马斯·贝克尔马丁·克卢格迈克尔·施奈德乌尔里希·施密德阿希姆·比特内
Owner AIRBUS OPERATIONS GMBH