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Your search keyword '"Shuichi Yoshida"' showing total 4 results
Start Over Author "Shuichi Yoshida" Publisher institute of electrical and electronics engineers (ieee)
4 results on '"Shuichi Yoshida"'

1. Tracking Servo of High Density FDD

Author

Noriaki Wakabayashi, Tsukasa Yoshiura, and Shuichi Yoshida

Subjects
Materials science, law, Control theory, Control system, Automatic frequency control, Torque, Servomechanism, Servomotor, Tracking (particle physics), Pulse-width modulation, Servo, law.invention
Published
1991

2. Bang-Bang Seek Control for HDD with Fuzzy Algorithm

Author

M. Tokura, Shuichi Yoshida, Noriaki Wakabayashi, and M. Imura

Subjects
Materials science, Control theory, Control system, Control (management), Process control, Fuzzy control system, Servomotor, Bang bang, Fuzzy logic, Position control
Published
1991

3. A control system for 3.5 inch 16MB floppy disk drives

Author

Toshio Inaji, Shuichi Yoshida, Noriaki Wakabayashi, Tsukasa Yoshiura, and Hiroshi Mitani

Subjects
Materials science, Floppy disk, business.industry, Track (disk drive), Electrical engineering, Disk sector, Disk controller, Hard disk drive performance characteristics, Disk operating system, law.invention, Mass storage, law, Modified Frequency Modulation, business
Abstract

We will report on a magnetic head positioning control system and a track following control method through which increased capacity and high speed has been achieved and in which a 3.5 inch 16 MB high density flexible disk drives (FDD) is employed.

Published
1990

4. 3.5 inch 16 Mbyte floppy disk drive

Author

Noriaki Wakabayashi, S. Matsukawa, H. Onodera, Tsukasa Yoshiura, Shuichi Yoshida, and Toshio Inaji

Subjects
Rotary encoder, Engineering, Floppy disk, business.industry, High density, Hard disk drive performance characteristics, law.invention, Vibration, law, Control system, Media Technology, Electronics, Electrical and Electronic Engineering, business, Computer hardware
Abstract

The authors have developed a 3.5-in, 16-Mbyte, large-capacity, high-speed floppy disk drive (FDD). A novel embedded sector server technology with a learning-forward control and a double-loop multisampling system, as well as a microstepping motor with an optical encoder, were used to achieve high density of 542 tracks/in with an accurate trackability of +or-2.5 mu m and a high-speed average seek time of less than 50 msec as well as high vibration resistance. The authors describe the overall FDD system, the head positioning control system, and the control performance. >

Published
1989

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