CONTROL OF DC-DC CONVERTERS WITH LINEAR OPTIMAL FEEDBACK AND NONLINEAR FEEDFORWARD

被引：48

作者：

GAROFALO, F

MARINO, P

SCALA, S

VASCA, F

机构：

[1] UNIV NAPLES,DEPT COMP & SYST ENGN,I-80138 NAPLES,ITALY

[2] UNIV BENEVENTO,BENEVENTO,ITALY

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 1994年 / 9卷 / 06期

关键词：

Computer simulation - Discrete time control systems - Electric network topology - Feedback control - Nonlinear control systems - Optimal control systems - Voltage measurement;

D O I：

10.1109/63.334776

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：

This paper describes a new control design procedure for PWM dc-dc converters. The control action has two components: a linear feedback, designed via LQ approach, and a nonlinear feedforward. The proposed control scheme guarantees excellent regulation of the output voltage, even in the presence of large variations of the input reference signal, as pointed out by numerous simulations carried out on different converter topologies. Good performances are also achievable when a suitably designed estimator is inserted into the control loop to reconstruct internal variables and input voltage disturbances from output voltage measurements.

引用

页码：607 / 615

页数：9

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