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Along with the variation of the feedback amplify coefficient, V2 controlled Buck converter exhibits abundant nonlinear dynamical behaviors. By establishing the discrete-time model of the system, this paper has studied the instability phenomena based on the monodromy matrix method. With increasing feedback factor, the analysis indicated that the converter entered from a stable period-one statue into a period-doubling statue. Finally, it showed chaos. Mechanism of the bifurcation generated by the system was fully analyzed based on the monodromy matrix, which showed that as the increase of the feedback coefficient, an eigenvalue of the monodromy matrix went out of the unit circle; this was the reason why the system generated period-doubling bifurcation. Also presented was the sinusoidal voltage compensation method to extend the stability margin based on the monodromy matrix theory, by which the instability behavior was effectively handled. Simulation and experimental results confirmed the analytical method.
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Keywords:
- V2 control strategy /
- buck converter /
- bifurcation /
- stabilization control
[1] Li J, Lee F C 2010 IEEE Trans. Circuits Syst. I, Reg. Papers 57 2552
[2] Goder D, Pelletier W 1996 Proceedings of High Frequency Power Conversion 1996 19
[3] Wang F Y, Xu J P, Xu J F 2005 Proc. the CSEE 25 67 (in Chinese) [王凤岩, 许建平, 许峻峰 2005 中国电机工程学报 25 67]
[4] Song Q 2001 Proceedings of APEC’ 2001 507
[5] Wang F Y, Wu S R, Xu J P 2002 International Conference on Communications, Circuits and Systems and West Sino Expositions New York, USA June 29-July 1, 2002 p1711
[6] Wang F Y, Xu J F, Xu J P 2004 International Conference on Communications, Circuits and Systems Chengdu, China, June 27–29, 2004 p1358
[7] Yang R, Zhang B, Chu L L 2008 Acta Phys. Sin. 57 2770 (in Chinese) [杨汝, 张波, 褚利丽 2008 57 2770]
[8] Wang F Q, Ma X K, Yan Y 2011 Acta Phys. Sin. 60 060510 (in Chinese) [王发强, 马西奎, 闫晔 2011 60 060510]
[9] Xie L L, Gong R X, Zhuo H Z 2012 Acta Phys. Sin. 61 058401 (in Chinese) [谢玲玲, 龚仁喜, 卓浩泽 2012 61 058401]
[10] Liu F 2008 Chin. Phys. B 17 2394
[11] Lu W G, Zhou L W, Luo Q M, Du X 2007 Acta Phys. Sin. 56 6275 (in Chinese) [卢伟国, 周雒维, 罗全明, 杜雄 2007 56 6275]
[12] Zhou G H, Xu J P, Jin Y Y, Jin S 2010 International Conference on Communications, Circuits and Systems Chengdu, China, July 28–30, 2010 p551
[13] He S Z, Zhou G H, Xu J P 2013 Acta Phys. Sin. 62 (in Chinese) [何圣仲, 周国华, 许建平, 包伯成, 杨平 2013 62 110503]
[14] Zhou Y F, Tse C K, Qiu S, Lau F 2005 Chin. Phys. 14 61
[15] Kavitha A. Uma G 2010 Int. J. Contr, Autom, Systems 8 1320
[16] Giaouris D, Banerjee S, Zahawi B, Pickert V 2008 IEEE Trans. Circuits Syst. I, Reg. Papers 55 1084
[17] Leine R I, VAN Campen D H, VAN DE VRANDE B L Nonlinear Dynam. 23 105
[18] Filippov A F 1964 American Mathematical Society Translations, Series 2 42 199
[19] Xie F, Yang R, Zhang B 2010 Acta Phys. Sin. 59 8393 (in Chinese) [谢帆, 杨汝, 张波 2010 59 8393]
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[1] Li J, Lee F C 2010 IEEE Trans. Circuits Syst. I, Reg. Papers 57 2552
[2] Goder D, Pelletier W 1996 Proceedings of High Frequency Power Conversion 1996 19
[3] Wang F Y, Xu J P, Xu J F 2005 Proc. the CSEE 25 67 (in Chinese) [王凤岩, 许建平, 许峻峰 2005 中国电机工程学报 25 67]
[4] Song Q 2001 Proceedings of APEC’ 2001 507
[5] Wang F Y, Wu S R, Xu J P 2002 International Conference on Communications, Circuits and Systems and West Sino Expositions New York, USA June 29-July 1, 2002 p1711
[6] Wang F Y, Xu J F, Xu J P 2004 International Conference on Communications, Circuits and Systems Chengdu, China, June 27–29, 2004 p1358
[7] Yang R, Zhang B, Chu L L 2008 Acta Phys. Sin. 57 2770 (in Chinese) [杨汝, 张波, 褚利丽 2008 57 2770]
[8] Wang F Q, Ma X K, Yan Y 2011 Acta Phys. Sin. 60 060510 (in Chinese) [王发强, 马西奎, 闫晔 2011 60 060510]
[9] Xie L L, Gong R X, Zhuo H Z 2012 Acta Phys. Sin. 61 058401 (in Chinese) [谢玲玲, 龚仁喜, 卓浩泽 2012 61 058401]
[10] Liu F 2008 Chin. Phys. B 17 2394
[11] Lu W G, Zhou L W, Luo Q M, Du X 2007 Acta Phys. Sin. 56 6275 (in Chinese) [卢伟国, 周雒维, 罗全明, 杜雄 2007 56 6275]
[12] Zhou G H, Xu J P, Jin Y Y, Jin S 2010 International Conference on Communications, Circuits and Systems Chengdu, China, July 28–30, 2010 p551
[13] He S Z, Zhou G H, Xu J P 2013 Acta Phys. Sin. 62 (in Chinese) [何圣仲, 周国华, 许建平, 包伯成, 杨平 2013 62 110503]
[14] Zhou Y F, Tse C K, Qiu S, Lau F 2005 Chin. Phys. 14 61
[15] Kavitha A. Uma G 2010 Int. J. Contr, Autom, Systems 8 1320
[16] Giaouris D, Banerjee S, Zahawi B, Pickert V 2008 IEEE Trans. Circuits Syst. I, Reg. Papers 55 1084
[17] Leine R I, VAN Campen D H, VAN DE VRANDE B L Nonlinear Dynam. 23 105
[18] Filippov A F 1964 American Mathematical Society Translations, Series 2 42 199
[19] Xie F, Yang R, Zhang B 2010 Acta Phys. Sin. 59 8393 (in Chinese) [谢帆, 杨汝, 张波 2010 59 8393]
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