Abstract
Boost and flyback converters have a right-half-plane zero in their control-to-output transfer function. This property makes the controller difficult to be designed with the classical frequency-domain approach to ensure good output regulation and fast response over wide frequency bandwidth of input voltage and output load perturbations. Instead of a small-signal design approach, this paper presents a cycle-by-cycle state trajectory prediction (STP) control method for boost converters. The method is based on predicting the output voltage after a hypothesized switching action. The output can revert to steady state in two switching actions under large-signal input voltage and output load disturbances. Theoretical predictions are verified with experimental results of a 120W 18/24V prototype.
| Original language | English |
|---|---|
| Journal | Proceedings - IEEE International Symposium on Circuits and Systems |
| Volume | 5 |
| DOIs | |
| Publication status | Published - 2004 |
| Event | 2004 IEEE International Symposium on Cirquits and Systems - Proceedings - Vancouver, BC, Canada Duration: 23 May 2004 → 26 May 2004 |
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