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Paper Abstract and Keywords
Presentation 2020-01-16 09:55
Digitally controlled DC-DC converter using only feedforward control
Reo Sumita, Terukazu Sato (Oita Univ.) EE2019-66
Abstract (in Japanese) (See Japanese page) 
(in English) In general, feedback control is required to keep the output voltage constant in switching power supply against disturbances such as load current and input voltage fluctuations. On the other hand, this paper proposes feedforward control method using the load current and the input voltage without feedback control. It is calculated that amount of influence on output voltage due to disturbances. The output voltage can be kept constant by reflecting this calculated value in the duty ratio. Since only the feedforward control is used, there is no closed-loop. Therefore, there are advantages that there is no risk of oscillation and that there is no stability deterioration due to changes in phase margin and gain margin if converter connects to capacitive and inductive loads. In this paper, it is reported that a practical static characteristic was obtained by applying a control method using only feedforward control to the prototype buck converter.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital control / Feedforward control / Buck converter / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 364, EE2019-66, pp. 103-108, Jan. 2020.
Paper # EE2019-66 
Date of Issue 2020-01-08 (EE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EE  
Conference Date 2020-01-15 - 2020-01-16 
Place (in Japanese) (See Japanese page) 
Place (in English) HOUZAN HALL 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2020-01-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Digitally controlled DC-DC converter using only feedforward control 
Sub Title (in English)  
Keyword(1) Digital control  
Keyword(2) Feedforward control  
Keyword(3) Buck converter  
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1st Author's Name Reo Sumita  
1st Author's Affiliation Oita University (Oita Univ.)
2nd Author's Name Terukazu Sato  
2nd Author's Affiliation Oita University (Oita Univ.)
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Speaker
Date Time 2020-01-16 09:55:00 
Presentation Time 25 
Registration for EE 
Paper # IEICE-EE2019-66 
Volume (vol) IEICE-119 
Number (no) no.364 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-EE-2020-01-08 


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