NDLI: 1MHz sampled quick response digital control DC-DC converter

Content Provider	IEEE Xplore Digital Library
Author	Kurokawa, F. Furukawa, Y.
Copyright Year	2013
Description	Author affiliation: Grad. Sch. of Eng., Nagasaki Univ., Nagasaki, Japan (Kurokawa, F.; Furukawa, Y.)
Abstract	The purpose of this paper is to present the 1MHz sampled quick response digital control dc-dc converter. The proposed method is the digital control method with the FIR filter and the P control. In the proposed method, the coefficient of the FIR filter is approximated by being rounded to three decimal place for reducing the cost of the calculation. The approximated FIR filter has also same characteristics as the original one. Moreover, the FIR filter is combined with the P control to improve the transient response. The sampling frequency for the P control is set 1MHz. It is ten times against the switching frequency. Thus, the proposed method is hardly affected by the peculiar delay-time of the digital control. In the experiment, the undershoot of the output voltage is improved by 38% than the conventional FIR filter control method. Furthermore, the convergence time of the output voltage in proposed method is improved by 56%. As a result, the proposed method can realize superior transient response.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	128
Ending Page	133
File Size	384715
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6699123
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite impulse response filters Digital control Transient response Switches Switching frequency Pulse width modulation transient response dc-dc converter digital control FIR filter fast P control
Content Type	Text
Resource Type	Article

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