A New, Continuous-Time Model For Current-Mode Control

被引：514

作者：

Ridley, Raymond B. ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect Engn, Virginia Power Elect Ctr, Blacksburg, VA 24061 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 1991年 / 6卷 / 02期

关键词：

D O I：

10.1109/63.76813

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The accuracy of sampled-data modeling is combined with the simplicity of pole-zero representation to give a new current-mode control model, accurate to half the switching frequency. All of the small signal characteristics of current-mode control are predicted, including high-frequency subharmonic oscillation which can occur even at duty cycles of less than 0.5. The best representation for the control-to-output transfer function is shown to be third-order. Model predictions are confirmed with measurements on a buck converter.

引用

页码：271 / 280

页数：10

共 16 条

[1]

[Anonymous], 1989, VPEC NEWS LETT C FAL

[2]

Astrom K. J., 1984, COMPUTER CONTROLLED, P66

[3]

Brown A. R., 1981, PESC'81. IEEE Power Electronics Specialists Conference, P349

[4]

Brown A. R., 1981, THESIS CALIFORNIA I

[5]

CHO BH, 1984, IEEE PESC, P363

[6]

Dixon L. H., 1983, UNITRODE POWER SUPPL, p2C1

[7]

Lee F. C., 1980, PESC '80 Record. IEEE Power Electronics Specialists Conference, P284

[8]

Middlebrook R. D., P IEEE POW EL SPEC C, P716

[9]

MIDDLEBROOK RD, 1981, POWERCON 8, V8, P27

[10] Analysis and interpretation of loop gains of multiloop-controlled switching regulators [J].

Ridley, Raymond B. ;

Cho, Bo H. ;

Lee, Fred C.Y. .

IEEE Transactions on Power Electronics, 1988, 3 (04) :489-498

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