基于相角超前补偿网络的DC/DC变换器数模混合补偿方法

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Abstract The dynamic performance of digital controlled DC/DC converter is not as good as analog controller since there exits intrinsic delay in digital control loop. An analog-digital mixed compensation method to improve the dynamic performance of DC/DC converter is presented in this paper. It is based on phase lead compensation to boost the phase margin. So the peak to peak output voltage deviation due to changes of load current or line voltage can be decreased. A digital controlled synchronous Buck converter prototype was built. Performance of the converter with different voltage-mode compensators were tested and compared. It is demonstrated that the analog-digital mixed compensator has merits of simplicity and good dynamic performance. It can be applied with the commercial digital controller chip to further improve the dynamic performance of DC/DC converters.

Key words： Digital controlled DC/DC converters small-signal discrete-time model high dynamic performance analog-digital mixed compensation phase lead compensation

Received: 20 December 2009 Published: 04 March 2014

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TM46

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	Articles by authors
	Tong Qiang
	Zhang Donglai
	Xu Dianguo

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Tong Qiang,Zhang Donglai,Xu Dianguo. Analog-Digital Mixed Compensator of DC/DC Converter Based on Phase Lead Compensation[J]. Transactions of China Electrotechnical Society, 2010, 25(9): 93-100.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I9/93

[1] Rozman A, Fellhoelter K. Circuit considerations for fast, sensitive, low-voltage loads in a distributed power system[C]. IEEE APEC, 1995, 5: 33-42.
[2] Zhang M, Jovanovic M, Lee F C. Design considerations for low-voltage on-board DC/DC modules for next generations of data processing circuits[J]. IEEE Transactions on Power Electronics, 1996, 11: 328- 337.
[3] Takayama T, Maksimovic D. Digitally controlled 10MHz monolithic Buck converter[C]. IEEE COMPEL, 2006: 154-158.
[4] Kurokawa F, Mizoguchi T. A smart control approach for digitally controlled multiple-output DC-DC converter[C]. IEEE PEDS, 2009: 405-410.
[5] Miao B, Zane R, Maksimovic D. System identifycation of power converters with digital control through cross-correlation methods[J]. IEEE Transactions on Power Electronics, 2005, 20(5): 1093-1099.
[6] Zhao Z Y, Prodic A, Mattavelli P. Self programmable PID compensator for digitally controlled SMPS[C]. IEEE COMPEL, 2006: 112-116.
[7] Stefanutti W, Mattavelli P, Saggini S, et al. Autotuning of digitally controlled DC-DC converters based on relay feedback[J]. IEEE Transactions on Power Electronics, 2007, 22(1): 199-207.
[8] Mattavelli P, Rossetto L, Spiazzi G, et al. General purpose fuzzy controller for DC-DC converters[J]. IEEE Transactions on Power Electronics, 1997, 12(1): 79-86.
[9] Guo L P, Hung J Y, Nelms R M. Evaluation of DSP-based PID and fuzzy controllers for DC-DC converters[J]. IEEE Transactions on Industrial Electronics, 2009, 56(6): 2237-2248.
[10] Peng H, Maksimovic D. Digital current-mode controller for DC-DC converters[C]. IEEE APEC, 2005: 899-905.
[11] Zhao Z Y, Prodic A. Continuous-time digital controller for high-frequency DC-DC converters[J]. IEEE Transactions on Power Electronics, 2008, 23(2): 882-886.
[12] Hu H, Yousefzadeh V, Maksimovic D. Nonlinear control for improved dynamic response of digitally controlled DC-DC converters[C]. IEEE PESC, 2006:1-7.
[13] Barrado A, Lazaro A, Pelite J, et al. Linear-non-linear control(LnLc) for DC/DC buck converters: stability and transient response analysis[C]. IEEE APEC, 2004, 2: 1329-1335.
[14] Soto A, Alou A P, Cobos J A. Nonlinear digital control breaks bandwidth limitations[C]. IEEE APEC, 2006: 42-47.
[15] Feng G, Meyer E, Liu Y F. Novel digital controller improves dynamic response and simplifies design process of voltage regulator module[C]. IEEE APEC, 2007: 1447-1453.
[16] Banerjee S, Verghese G C. Nonlinear phenomena in power electronics: attractors, bifurcation, chaos, and nonlinear control[M]. New Jersey: Wiley-IEEE Press, 2001.
[17] Lukic Z, Wang K, Prodic A. High-frequency digital controller for DC-DC converters based on multi-bit ∑-Δ pulse-width modulation[C]. IEEE APEC, 2005: 35-40.
[18] Patella B J, Prodic A, Zirger A, et al. High-frequency digital PWM controller IC for DC-DC converters[J]. IEEE Transactions on Power Electronics, 2003, 18(1): 438-446.
[19] Marty Brown. 开关电源设计指南[M]. 徐德鸿, 等译. 北京: 机械工业出版社, 2004.
[20] Gene F Franklin, David Powell J, Abbas Emami Naeini. Feedback control of dynamic systems[M]. New Jersey: Prentice Hall, 2006.
[21] Franklin G F, Powell J D. Digital control of dynamic systems[M]. Boston, MA: Addision-Wesley Publi- shing Company, 1998.
[22] Van de Sype D M, Gusseme K D, Van den Bossche A P, et al. Small-signal z-domain analysis of digitally controlled converters[C]. IEEE PESC, 2004: 4299- 4305.
[23] Prodic A, Maksimovic D, Erickson R W. Design and implementation of a digital PWM controller for a high-frequency switching dc-dc power converter[C]. IEEE IECON, 2001: 893-898.
[24] 姚雨迎, 张东来, 徐殿国. 级联式DC/DC变换器输出阻抗的优化设计与稳定性[J]. 电工技术学报, 2009, 24(3): 147-152.
[25] Maksimovic D, Zane R. Small-signal discrete-time modeling of digitally controlled dc-dc converters[J]. IEEE Transactions on Power Electronics, 2007, 22(6): 2552-2556.
[26] Peterchev A, Sanders S. Quantization resolution and limit cycling in digitally controlled PWM converters[J]. IEEE Transactions on Power Electronics, 2003, 18(1): 301-308.