Complex curved surface high-dynamic deformation measurement system and method based on intelligent skins

A technology of intelligent skinning and complex curved surfaces, which is applied in the direction of electric/magnetic solid deformation measurement, electromagnetic measurement device, aircraft component testing, etc., can solve the problems of poor measurement accuracy and low measurement frequency, and achieve the effect of low cost

Active Publication Date: 2019-07-26
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0008] Aiming at the problems of low measurement frequency and poor measurement accuracy in complex curved surface deformation measurement, the present invention proposes a complex curved surface high dynamic deformation measurement system and measurement method based on intelligent skin. The main technical solutions are as follows:

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  • Complex curved surface high-dynamic deformation measurement system and method based on intelligent skins
  • Complex curved surface high-dynamic deformation measurement system and method based on intelligent skins
  • Complex curved surface high-dynamic deformation measurement system and method based on intelligent skins

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Embodiment Construction

[0050]Below in conjunction with accompanying drawing, method among the present invention is described in further detail:

[0051] Such as figure 1 As shown, taking an airplane as an example, the wing is a very complex surface structure, and traditional measurement methods are difficult to accurately measure the deformation of the wing. For a complex curved surface, it is necessary to closely fit the sensor to the surface without affecting the ideal aerodynamic shape, and to achieve high-speed signal transmission.

[0052] The method for measuring high dynamic deformation of complex curved surfaces based on intelligent skin of the present invention specifically adopts the following steps:

[0053] Step 1, the flexible smart skin fits the surface of the curved structure:

[0054] The electronic skin made of non-metallic flexible thin-walled composite material is pasted on the inner and outer surfaces of the curved structure without changing the structure of the aircraft to mai...

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Abstract

The invention belongs to the field of deformation measurement, and discloses a complex curved surface high-dynamic deformation measurement system and method based on intelligent skins. The complex curved surface high-dynamic deformation measurement system based on the intelligent skins includes sub systems such as the intelligent skins, a signal source generator, a signal receiving terminal, a radio frequency cable and a modem. The complex curved surface high-dynamic deformation measurement method based on the intelligent skins conducts measuring based on the deformation measurement system, and mainly includes the following steps that firstly, the flexible intelligent skins are attached to curved surfaces of a curved surface structure; secondly, the signal source generator generates carrier signals; thirdly, the receiving terminal captures the signals and demodulates the signals; and finally, location information of each skin is calculated accurately, and the deformation measurement ofthe complex curved surfaces is realized based on massive data. The complex curved surface high-dynamic deformation measurement system and method based on the intelligent skins adopt the flexible skins, the ideal aerodynamic shape of an aircraft is not changed, and the complex curved surface high-dynamic deformation measurement system has the advantages of real-time capability, expandability, lowcost and the like.

Description

[0001] Technical field: [0002] The invention belongs to the field of deformation measurement, in particular to a complex curved surface high dynamic deformation measurement system and measurement method based on intelligent skin. [0003] Background technique: [0004] Wing deformation measurement is an important part of aircraft structural health detection technology research. Aircraft wings are a typical representative of complex surfaces. At present, there are two main types of deformation monitoring methods for complex surfaces such as wings: one is to use stereo cameras and scanners, etc. The external device performs long-distance measurement, and the other type is to attach the sensor along the surface or embed it in the curved surface for contact measurement. The comparative document (Zhu Lianqing et al., Application and Development of Intelligent Flexible Deformable Wing Technology. Chinese Journal of Mechanical Engineering, 2018) pointed out that most of the traditio...

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Application Information

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IPC IPC(8): B64F5/60G01B7/16
CPCB64F5/60G01B7/16
Inventor 于瑞航曹聚亮吴美平蔡劭琨
Owner NAT UNIV OF DEFENSE TECH
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