Study on Chaotic Detection Method of Pacemaker Contact-Less Power Supply_Journal of Biomedical Engineering

Authors：

 ZHOUChenghu , HUANGMingming , LISongtao

School of Electrical Information and Engineering, Henan Institute of Engineering, Zhengzhou 450005, China;

Corresponding author：

ZHOUChenghu, Email: zzuzhou@163.com

Keywords：

contact-less charge; heart pacemakers; chaos observation; feedback control

DOI：

10.7507/1001-5515.20150236

Video：

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In order to improve the reliability of cardiac pacemaker contact-less power supply technology, this paper proposes a novel application of wireless feedback voltage stabilizing technology to adjust heart disease patients with inner power supply filter circuit output voltage and current control method, to keep the output voltage stability, and to ensure that the super capacitor and cardiac pacemaker to get a stable power supply. To implement the real-time accurate voltage control with considering the primary and secondary side inductance coupling coefficient changes, the change of the external power supply voltage and load, it is necessary to test thee real-time and accurate output voltage and current value after rectifying filtering. Therefore, based on the chaotic control theory, we adopted method of phase diagram on the basis of the quick observation after rectifying filtering, so that the method of voltage and current could improve the detection time of the circuit. The phase diagram of proposed control method can be divided into 8 segments, and we got 7 zero-extreme points. When these zero-extreme points are detected, according to extreme points of the zero instantaneous values, the corresponding average values of voltage and current were obtained. Simulation and experimental results showed that using the above method can shorten the response time to less than switch devices 1/2 switching cycles, thus validating the effectiveness and feasibility of the proposed detection algorithm.

Citation： ZHOUChenghu, HUANGMingming, LISongtao. Study on Chaotic Detection Method of Pacemaker Contact-Less Power Supply. Journal of Biomedical Engineering, 2015, 32(6): 1335-1342. doi: 10.7507/1001-5515.20150236 Copy

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14.	WANG Ch-s, STIELAU O H, COVIC G A. Design considerations for contact-less electric vehicle battery charger[J]. IEEE Trans.on Industrial Electronics, 2005, 52(5):1308-1313.
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1. 周成虎, 李松涛, 徐其兴.用于心脏起搏器的双路互备非接触供电电路研究[J].电子技术应用, 2012, 39(7):127-130.
2. CHEN H, HU A-p, BUDGETT D. Power loss analysis of a TET system for high power implantable devices[C]//ICIEA 2007:2ND IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-4, PROCEEDINGS, 2007:240-245.
3. SI P, HU A p budgett-d. Stabilizing the operating frequency of a resonant converter for wireless power transfer to implantable biomedical sensors[C]//Proc.1st International Conference on Sensing Technology, Palmerston North. 2005:477-482.
4. 李路明, 王伟明, 郝红伟, 等. 201010293866.8:中国, 201010293866.8[P]. 2013-01-30.
5. 周成虎, 瓮嘉民, 陈冰洋, 等.电动汽车无线反馈非接触充电电路设计[J].电力电子技术, 2012, 46(5):20-21.
6. HU A-p, HUSSMANN S. Improved power flow control for contact-less moving sensor applications[J]. IEEE power Electronics Letters, 2004, 2(4):135-138.
7. HU A-p, KWAN L W, TAN C, et al. A wireless battery-less computer mouse with super capacitor energy buffer[C]//Proceedings of 2nd IEEE Conference on Industrial electronics and applications. Guangzhou, 2007, 5:2024-2029.
8. HU A-p. Selected resonant converters for IPT power supplies[D]. Auckland:University of Auckland, 2001.
9. 王学梅, 张波.单相SPWM逆变器的分岔及混沌现象分析[J].电工技术学报, 2009, 24(1):101-107.
10. 胡乃红, 周宇飞, 陈军宁.单相SPWM逆变器快标分叉控制及其稳定性分析[J].物理学报, 2012, 61(13):50-57.
11. 唐春森.非接触电能传输系统软开关工作点研究及应用[D].重庆:重庆大学, 2009.
12. 王智慧, 孙跃, 戴欣, 等.CLC型非接触电能传输系统输出控制[J].西南交通大学学报, 2012, 47(1):26-31.
13. 刘洪臣, 杨爽.单相H桥逆变器单极性正弦脉宽调制下的分岔及混沌行为研究[J].物理学报, 2013, 62(21):36-42.
14. WANG Ch-s, STIELAU O H, COVIC G A. Design considerations for contact-less electric vehicle battery charger[J]. IEEE Trans.on Industrial Electronics, 2005, 52(5):1308-1313.
15. KURS A, KARALIS A, MOFFATT R, et al. Wireless power transfer via strongly coupled magnetic resonances[J]. Science, 2007, 317(5834):83-86.
16. 禹思敏.混沌系统与混沌电路:原理, 设计及其在通信中的应用[M].西安:西安电子科技大学出版社, 152-154, 538-540.

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