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An electromagnetic field teaching and experiment system based on augmented reality

An augmented reality and experimental system technology, applied in teaching models, educational tools, instruments, etc., can solve classroom experiment interaction, test convenience is not suitable for classroom teaching, cannot directly obtain electromagnetic field distribution parameters, limit applications, etc. question

Active Publication Date: 2017-01-04
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this indirect display method is that usually only the effect of the magnetic field in a certain space section can be displayed, and the precise electromagnetic field distribution parameters cannot be obtained directly
This type of professional measuring instrument is aimed at specific scientific research. Although it can obtain extremely high-precision measurement results, it is not suitable for classroom teaching in terms of intuitiveness of display, interactivity of classroom experiments, and convenience of testing. The expensive price of test equipment greatly limits its application in basic teaching
[0008] In short, there is a lack of a system and method for teaching and experimenting with three-dimensional electromagnetic field theory with good interaction and the ability to visualize and reproduce electromagnetic fields

Method used

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  • An electromagnetic field teaching and experiment system based on augmented reality
  • An electromagnetic field teaching and experiment system based on augmented reality
  • An electromagnetic field teaching and experiment system based on augmented reality

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] see figure 1 , an electromagnetic field teaching and experiment system based on augmented reality, including:

[0074] Electromagnetic field source medium generator (11), space three-dimensional motion device (21), electromagnetic field signal acquisition module (22), electromagnetic field test processing hardware module (30), image acquisition module (41) and display device (51), characterized in that : The image acquisition module (41) is electrically connected to the electromagnetic field test processing hardware module (30), the electromagnetic field test processing hardware module (30) is electrically connected to the space three-dimensional motion device (21), and the space three-dimensional motion device (21) is equipped with electromagnetic field signal acquisition The module (22) and the electromagnetic field source medium generator (11), the electromagnetic field signal acquisition module (22) is located in the electromagnetic field source medium generated by ...

Embodiment 2

[0076] see Figure 2~Figure 6 , the electromagnetic field source medium generator (11) includes a bracket (111), a feature marker bracket (112), a feature marker (113) and an electromagnetic field source (114), and the bracket (111) is fixedly connected in a three-dimensional space On a stage part (213) in the movement device (21), the characteristic mark bracket (112) is fixedly connected to the support (111), the characteristic mark (113) is printed on the characteristic mark bracket (112), and the electromagnetic field source (114) is fixedly connected to the characteristic mark bracket (112); the electromagnetic field source (114) is an electromagnetic field generating body of a permanent magnet or a solenoid, and there should be a high contrast between the characteristic mark (113) and the background color, so as to facilitate Image processing, feature marks (113) record the material, shape and electromagnetic properties of the medium, which theoretically affect the main ...

Embodiment 3

[0078] The three-dimensional electromagnetic field teaching and experiment system based on augmented reality technology, the electromagnetic field measurement probe is driven by a three-degree-of-freedom motion platform with high motion precision and speed, intelligently and efficiently scans the electromagnetic field space to be tested to obtain real electromagnetic field data, and then with the help of augmented reality technology, adding virtual electromagnetic field images to real experimental scene images. By modifying the virtual field source information in real time during the experiment, an interactive electromagnetic field teaching experiment mode is realized.

[0079] Such as figure 1 As shown, the three-dimensional electromagnetic field teaching and experiment system based on augmented reality technology includes:

[0080] The measured electromagnetic field source medium 11 containing a characteristic mark is used to continuously generate an electric field or a mag...

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Abstract

The invention relates to an electromagnetic field teaching and experiment system based on augmented reality. It includes an electromagnetic field source medium generator, a space three-dimensional motion device, an electromagnetic field signal acquisition module, an electromagnetic field test processing hardware module, an image acquisition module and a display device. The present invention enhances the efficiency and limitation of real measurement based on the simulation calculation of electromagnetic field theory, and then realizes the visualization of electromagnetic field form, improves the interaction between classroom teaching and experiment, and enables students to enhance the real and vivid classroom learning and interactive experiment process. In-depth understanding of electromagnetic field theory.

Description

technical field [0001] The invention relates to the hybrid application of computer augmented reality technology and physical electromagnetic field measurement technology in the field of physical electromagnetic field teaching. More specifically, the invention relates to an electromagnetic field teaching and experiment system based on augmented reality. Background technique [0002] Theories and technologies related to electromagnetic fields are an important cornerstone of the development of modern physics (the electromagnetic fields described in this article include static electric fields, static magnetic fields, and dynamic electromagnetic fields, for the convenience of description, hereinafter referred to as electromagnetic fields). All aspects of modern life are inseparable from electricity and magnetism. Therefore, electromagnetic field theory and technology have always been an important chapter in the field of physics teaching. However, due to some physical characterist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/18
Inventor 贾文川张泉蒲华燕李龙辛子华
Owner SHANGHAI UNIV
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