A trigger method based on magnetic induction in metal-enclosed space

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Authors:

Jin Hong, School of Mechanical and Electrical Engineering, Soochow University, Suzhou, Jiangsu, China, National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan, Shanxi, China

Sun Lining, School of Mechanical and Electrical Engineering, Soochow University, Suzhou, Jiangsu, China

Abstract:

Purpose. As the application environment of storage test technology is getting worse and worse, the trigger signal with the function of wake becomes the key to the success of the test. In this paper, a new method that induces changes of the intensity of magnetization to implement trigger is proposed. This method is very useful for solving the harsh environment of metal-enclosed space.

Methodology. We design a kind of thin film coils which are placed inside the metal shell. It can induct the slight changes in the magnetic field, and output corresponding induction electromotive force which will be amplified to meet requirements of the trigger signal.

Findings. By theoretical and experimental analysis, this method can be used to realize the trigger with the metal-enclosed space. Moreover, it can improve the reliability of the trigger by several times to generate the trigger signal.

Originality. We designed a controlled variable magnetic field, a flexible thin-film coil and a signal processing unit. These can achieve the metal confined space of the trigger problem. The research on this aspect has not been found at present.

Practical value. We also increase the reliability of the trigger design, and the optimization of the system can be used to achieve the best form of trigger. This provides a certain way and method to extend the application field of storage test technology.

References/Список літератури

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2. Krishnamurthy, V., Fowler, K. and Sazonov, E., 2008. The effect of time synchronization of wireless sensors on the modal analysis of structures. Smart Materials and Structures, Vol. 17, No. 5, pp. 1–13.

3. Tang Baoping, Cao Xiaojia and Zhang Guolei, 2010. Synchronization of wireless sensor networks for mechanical vibration monitoring. Chinese Journal of Mechanical Engineering, Vol. 21, No. 10, pp. 1190–1194.

4. Rice, J. A. and Billie, F. S. J., 2009. Flexible smart sensor framework for autonomous full-scale structural health monitoring. In: Newmark Structural Engineering Laboratory Report Series 018, ISSN 1940-9826.

5. Zhang Jianxin and Zhang He, 2010. Methods of Storage Test and Measurement by Using Positive and Negative Trigger Delay Respectively. Journal of Detection & Control, Vol. 32, No. 2, pp. 47–50.

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7. Zhong Long and Wei Guang hui, 2012. Shielding effectiveness of the materials with paramaters of electromagnetic pulse. Journal of Microwaves, Vol. 28, No. 3, pp. 24–28.

8. Kim Jonghoon, Song Chiuk and Kim Hongseok, 2013. Wireless power transfer technology using magnetic field resonance. In: Asia-Pacific Microwave Conference, Seoul, Korea, 5–8 November 2013.

9. Jaegue Shin, 2014. Design and Implementation of Shaped Magnetic Resonance-Based Wireless Power Transfer System for Roadway Powered Moving Electric Vehicles. IEEE Trans on Industrial Electronics, Vol. 61, No. 3, pp. 1179–1192.

10. Sunkyu Kong, Bumhee Bae, Daniel H. Jung, Jonghoon J. Kim, Sukjin Kim, Chiuk Song, Jonghoon Kim and Joungho Kim, 2015. An Investigation of Electromagnetic Radiated Emission and Interference From Multi-Coil Wireless Power Transfer Systems Using Resonant Magnetic Field Coupling. IEEE Trans. on Microwave Theory and Techniques, Vol. 63, No. 3, pp. 833–846.

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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