K. Kitano

Kyushu University

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Yusaku Kyozuka

Nagasaki University

H. Takatsu

Yokogawa Electric (Japan)

Takashi Kawano

Keihin (Japan)

H. Ohyama

RIKEN Advanced Science Institute

Mayumi Kawakami

National Institute of Technology, Toyama College

Shigeyasu Nakagawa

National Institute for Fusion Science

T. Nakano

Mazda Motor Corporation (Japan)

Toshiyuki Yamaguchi

Toho University

T. Tokoro

Yahoo (United Kingdom)

K. Hayama

Fukuoka University

Cooperative Institutions

Osaka University

National Institutes of Natural Sciences

Yokogawa Electric (Japan)

RIKEN Advanced Science Institute

National Institute of Technology, Kumamoto College

Hakodate National Hospital

Tohoku Gakuin University

Research Institute of Physical Chemical Medicine

RIKEN

National Institute of Technology, Toyama College

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Intelligent Self-Tuning PID Controller

IFAC Proceedings Volumes (1991)

H. Takatsu Takashi Kawano K. Kitano

Set point

Self-tuning

Process dynamics

10.1016/s1474-6670(17)51289-6

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Citations (8)

AN OPTIMUM CONFIGURATION OF VERTICAL CYLINDERS FOR CONTROL OF INCIDENT WAVES

Yusaku Kyozuka K. Kitano

A fundamental study was carried out on the optimum configuration of vertical cylinders to control incident waves. Controls of incident waves are the maximizing and minimizing of the water elevation at specified points near the cylinders. Multiple scattering of waves between cylinders is considered by a plane-wave approximation in linear wave theory. The optimum configuration is determined by nonlinear programming, in which initial positions of vertical cylinders should be pronounced to affect the final results. Observations are made of wave patters around vertical cylinders using the light projection technique in a shallow wave tank. Wave patterns projected on the floor through water and the transparent wave tank confirm the validity of the theoretical predictions.

Vertical plane

Airy wave theory

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Control of incident waves into a harbor by L-shaped structures

International Journal of Offshore and Polar Engineering (1994)

Yusaku Kyozuka K. Kitano

A fundamental study was carried out on L-shaped structures constructed near a harbour mouth to reduce the entry of waves into the harbour, which is an important aspect of ship safety and the efficiency of loading/unloading at a berth. Incident waves through the harbour mouth interact with diffracted waves and cancel out as a result of placement of the L-shaped structure near the harbour mouth. The wave diffraction problem by vertical structures in constant water depth are solved by the boundary element method in linear theory. Optimal size and location of the L-shaped structures for the reduction of waves into a harbour are determined by the nonlinear programming for given objective function. Some wave patterns near the harbour mouth for optimized configurations of L- shaped structures are presented graphically. Variations of the performance as functions of incident wave length and incident wave angle are presented. From those numerical results, it is confirmed that L-shaped structures are effective to reduce the entry of waves into the harbour.

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Data analysis on performance of PV system installed in south and north directions

3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of (2003)

Toshiyuki Yamaguchi Mayumi Kawakami K. Kitano Shigeyasu Nakagawa T. Tokoro

The output performance, the solar irradiation and the PV module temperature has been investigated for a PV system installed in south and north direction in a period of 1 year. The average solar radiation per a day in south and north direction was 4.59 kW h/m/sup 2/ and 3.14 kW h/m/sup 2/, respectively. The average temperature of PV module installed in north direction was smaller than that in south direction. We estimated the electric power of 40 kW PV system installed in north direction from the variation of solar radiation and PV module temperature for south and north direction. The ratio of the generated power in the monthly was calculated to be from 96.4% to 32.8%, which average value in a year was 66.4%.

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INTELLIGENT SELF-TUNING PID CONTROLLER

Elsevier eBooks (1991)

H. Takatsu Takashi Kawano K. Kitano

Set point

Process dynamics

Self-tuning

Tracking (education)

10.1016/b978-0-08-040935-1.50006-5

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Citations (9)