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IPMC-based reconfigurable electromagnetic metasurface structure and design method thereof

A surface structure and design method technology, applied to electrical components, antennas, etc., can solve the problems of complex control lines, poor flexibility and practicability, and achieve the effect of improving the consistency of deformation

Pending Publication Date: 2022-07-12
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The research on IPMC mechanically reconfigurable electromagnetic metasurface is expected to solve the shortcomings of traditional mechanically reconfigurable methods, such as poor flexibility, practicability, and complicated control circuits, and become a new control method.

Method used

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  • IPMC-based reconfigurable electromagnetic metasurface structure and design method thereof
  • IPMC-based reconfigurable electromagnetic metasurface structure and design method thereof

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Embodiment

[0078] This embodiment describes a design method for an IPMC mechanically reconfigurable electromagnetic metasurface that dynamically modulates the polarization characteristics of electromagnetic waves.

[0079] According to the electromagnetic metasurface working in the frequency band around 20GHz and the regulation requirements of polarization characteristics, the cantilever beam unit structure is selected, and the distribution mode of the planar rectangular periodic array is adopted to control the deformation of each unit as a whole.

[0080] see figure 2 , establish the 3D model of the minimum array element under different size parameters, based on the equivalent thermal deformation model, simulate the element deformation under different driving voltages in Ansys, and establish the element model under different deformation conditions in HFSS, and simulate the calculation of the control ability. Variation, optimization and determination of sizing parameters of periodic ele...

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Abstract

The invention discloses an IPMC-based reconfigurable electromagnetic metasurface structure and a design method thereof. The method comprises the following steps: determining the feature size and deformation form of an array unit of the metasurface structure, and the configuration and driving control of the array unit; deformation-electromagnetic simulation is carried out on the array units of different sizes, and shape processing parameters of the array units are optimized and determined; processing array units on the surface of the IPMC structure to obtain an IPMC array; a clamping structure and an electrode lead structure are designed, the IPMC array is fixed in the clamping structure, and driving voltage is applied to the upper surface and the lower surface of the IPMC array through the electrode lead structure; and designing a single-path or multi-path driving circuit and an adjusting mode on the IPMC array according to the distribution of the control area and the deformation regulation and control requirements, and completing the reconfigurable electromagnetic metasurface structure based on the IPMC. The device is simple to prepare, convenient to drive and control, and high in flexibility and practicability.

Description

technical field [0001] The invention belongs to the technical field of intelligent materials, and in particular relates to an IPMC-based reconfigurable electromagnetic metasurface structure and a design method thereof. Background technique [0002] Reconfigurable metasurfaces can dynamically control various electromagnetic properties and realize the diversification of electromagnetic functions. Up to now, the reconfigurable technologies of electromagnetic metasurfaces mainly include electrical regulation, material regulation and mechanical regulation. The electrical regulation method introduces interference due to the addition of active devices, which increases the complexity of the design; the regulation ability of material regulation is relatively limited; the flexibility and practicability of mechanical regulation are poor, and the control circuit is generally more complicated, so there is less research. With the rapid development of flexible smart materials, it is expec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/00
CPCH01Q15/002
Inventor 朱子才程随军卞长生
Owner XI AN JIAOTONG UNIV
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