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基于电容电荷平衡的DC/DC变换器的数字控制算法

, PP. 80-85

Keywords: DC/DC变换器,数字控制算法,电压波动,电容电荷平衡

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Abstract:

利用电容电荷平衡原理来推导出直流/直流变换器的动态控制算法。介绍了变换器在负载电流突变和输入电压突变时的最优算法模型,详细分析了如何减少输出电压的波动以及缩短恢复时间以提高变换器的动态响应。试验结果验证了这两种算法的有效性,在25W、400kHz的同步整流Buck变换器中,应用该控制算法使得直流/直流变换器的动态响应达到最优。

References

[1]  Miftakhutdinov R. Optimal design of interleaved synchronous buck converter at high slew-rate load current transients[C]. IEEE 32nd Annual Power Electronics Specialists Conference, 2001, 3 : 1714- 1718.
[2]  Zhao J, Sato T, Nabeshima T, et al. Steady-state and dynamic analysis of a buck converter using a hysteretic PWM control[C]. IEEE 35th Power Electronics Specialists Conference, 2004, 5: 3654- 3658.
[3]  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.
[4]  Guo L, Hung J Y, Nelms R M. PID controller modifi cations to improve steady-state performance of digital controllers for buck and boost converters [C]. IEEE 17th Annual Applied Power Electronics Conference and Exposition, 2002, 1:381-388.
[5]  Luo F L, Ye H. Small signal analysis of energy factor and mathematical mothoding for power DC/DC converters[J]. IEEE Transactions on Power Electronics, 2007, 22(1): 69-79.
[6]  朱成花, 石健将, 严仰光. 直/直变换器输入滤波器的设计[J]. 电工技术学报, 2004, 19(1): 85-90.
[7]  Song C, Nilles J L. Accuracy analysis of hysteretic current-mode voltage regulator[C]. IEEE 20th Annual Applied Power Electronics Conference and Exposition, 2005, 1 : 276 -280.
[8]  Zhao J, Sato T, Nabeshima T, et al. A new PWM control scheme using a triangle waveform modulated by output voltage[C]. IEEE 19th Applied Power Electronics Conference and Exposition, 2004, 1: 399- 403.
[9]  Duan Y, Jin H. Digital controller design for switchmode power converters[C]. IEEE 14th Annual Applied Power Electronics Conference and Exposi- tion, 1999, 2: 967-973.
[10]  Barrado A, Quintero J, Lazaro A, et al. Linear-non- linear control applied in multiphase VRM [C]. IEEE 36th Annual Power Electronics Specialists, 2005: 904-909.
[11]  欧阳长莲, 严仰光. 同步整流Buck变换器断续工作模式建模分析[J]. 电工技术学报, 2002, 17 (6): 53-58.

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