Predictive digital current programmed control

被引:425
作者
Chen, JQ [1 ]
Prodic, A
Erickson, RW
Maksimovic, D
机构
[1] Philips Res USA, Briarcliff Manor, NY 10510 USA
[2] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA
关键词
current-programmed control; digital control; switching power converters;
D O I
10.1109/TPEL.2002.807140
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 explores. predictive digital current programmed control for valley, peak or average current. The control laws are derived for the three basic converters: buck, boost, and buck-boost. It is found that for each variable of interest (valley, peak or average current) there is a choice of the appropriate pulse-width modulation method to achieve predictive digital current control without oscillation problems. The proposed digital control techniques can be used in a range of power conversion applications, including rectifiers with power factor correction (PFC). Very low current distortion meeting strict avionics requirements (400-800 Hz line frequency) is experimentally demonstrated on a digitally controlled boost PFC employing predictive average current programmed control.
引用
收藏
页码:411 / 419
页数:9
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