Fujio KUROKAWA

A Dynamic Response Improvement at Changeover Control of Digitally Controlled DC-DC Converter
Masahiro SASAKI  Hirofumi MATSUO  Fujio KUROKAWA  Yasuhiro MIMURA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/08/01
Vol. J90-B  No. 8  pp. 734-740
Type of Manuscript: PAPER
Category: 
Keyword: 
DC-DC converter,  digital control,  digital control IC,  VCO,  dynamic characteristics, 
  Summary |  Full Text(in Japanese):PDF (936.1KB)
Sonochemical Preparation of Magnetic Iron Oxide Nanoparticles
Tatsuya SHUTO  Yoshiteru MIZUKOSHI  Shuji TANABE  Fujio KUROKAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2006/09/01
Vol. J89-A  No. 9  pp. 729-733
Type of Manuscript: Special Section PAPER (Special Issue on Science and Applications of Ultrasonic Cavitation)
Category: 
Keyword: 
magnetic nanoparticles,  sonochemical oxidation,  magnetite, 
  Summary |  Full Text(in Japanese):PDF (414.5KB)
A Comparison of Steady-State Characteristics of Buck Type DC-DC Converter Using DSP
Fujio KUROKAWA  Wataru OKAMOTO  Hirofumi MATSUO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/05/01
Vol. J89-B  No. 5  pp. 673-681
Type of Manuscript: Special Section PAPER (Special Issue on Energy Electronics Technologies for Information and Telecommunication Systems)
Category: 
Keyword: 
digital control,  digital filter,  moving average,  minimum phase,  limit cycle, 
  Summary |  Full Text(in Japanese):PDF (2.8MB)