Replace of inter shot processer in JT-60 data processing system

Sakata, Shinya; Kiyono, Kimihiro; Oshima, Takayuki; Sato, Minoru; Ozeki, Takahisa

Heisei-16-Nendo Osaka Daigaku Sogo Gijutsu Kenkyukai Hokokushu (CD-ROM), 4 Pages, 2005/03

no abstracts in English

Current status and future prospects of the JT-60U control system

Yonekawa, Izuru; Kawamata, Yoichi; Totsuka, Toshiyuki; Akasaka, Hiromi; Sueoka, Michiharu; Yoshida, Hidetoshi

Fusion Engineering and Design, 71(1-4), p.11 - 15, 2004/06

https://doi.org/10.1016/j.fusengdes.2004.04.003

The JT-60 control system based on workstation and VME-bus system features with UNIX system has been successfully performed at JT-60U advanced plasma experiment. The various hardware modifications and the adoption of the advanced plasma control algorithms have been continued to the JT-60 control system since its upgrade in 1991. The ZENKEI, supervisory control system, has entirely remodeled from its original 16 bits minicomputer and CAMAC system to the combination of workstation and VME-bus system configuration with Ethernet communication network system. The plasma control system executes real-time plasma equilibrium control command calculation within 250msec control cycle time. Each plant control subsystems are also modified along with same design concept to the ZENKEI. Currently, the minor modifications of the control system have been considered to realize longer pulse of discharge experiments without major change of the JT-60 equipment. Nearly 60 seconds of pulse length up to Ip=2MA, Bt=2T, PNBI=10MW(30sec) plasma experiments will start from October in 2003.

Data processing and analysis systems for JT-60U

Matsuda, Toshiaki; Totsuka, Toshiyuki; Tsugita, Tomonori; Oshima, Takayuki; Sakata, Shinya; Sato, Minoru; Iwasaki, Keita*

Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.512 - 520, 2002/09

https://doi.org/10.13182/FST02-A243

no abstracts in English

Revised burnup code system SWAT; Description and validation using postirradiation examination data

Suyama, Kenya; Mochizuki, Hiroki*; Kiyosumi, Takehide*

Nuclear Technology, 138(2), p.97 - 110, 2002/05

https://doi.org/10.13182/NT02-A3282

no abstracts in English

R&D Study on on-line criticality surveillance system (IV)

Yamada, Susumu*

JNC TJ8400 2000-051, 122 Pages, 2000/02

JNC-TJ8400-2000-051.pdf:2.15MB

Developing an inexpensive on-line criticality surveillance system is required for ensuring the safety of nuclear fuel reprocessing plants. Based on the series of researches for five years, R&D study on On-line Criticality Surveillance System has been carricd out since 1996. The concept of this Criticality Surveillance System is based on the Auto-Regressive Moving Average (ARMA) model identification algorithms to the time series of signal fluctuation of a neutron detector. We have proposed several new ideas of modification to the original design of the Criticality Surveillance System, and also reported some results of numerical analysis over the DCA experiments. In those days, DOS/V personal computers with Microsoft Windows have came into wide use instead of those based on the MS-DOS, which have been popular in Japan. NEC, a major maker of MS-DOS computers, stopped the production of MS-DOS computers and changed their management policy toward production of DOS/V personal computers. Our researches have been developed using MS-DOS computers. For the effective use of these important results, it became an urgent theme to transplant all programs developed on MS_DOS computers into computers with the OS, which is not easily affected by commercialism. Since the design concept should be based on high reliability, electromagnetic disturbance-free and high expandability, and also computers have achieved remarkably high performance as well as low price in these days, these computers should be used not only as a simple signal processing unit but also a totally integrated signal analyzing system along with conventional signal analyzing software in stead of IC chips with analyzing soft wares. This configuration enables us to easily introduce newly developed techniques and to provide supplement information. Then, this approach can enhance the reliability of the Criticality Surveillance System without addition of any special devices, and also provide the flexibility of ...

Computer control and data acquisition system of the negative-ion based NBI for JT-60U

Kawai, Mikito; Aoyagi, Tetsuo; Ohara, Hiroshi; Honda, Atsushi; Ito, Takao; Kuriyama, Masaaki

Proceedings of 17th IEEE/NPSS Symposium Fusion Engineering (SOFE'97), 1, p.531 - 534, 1998/00

no abstracts in English

Development of the computer system for the JT-60 negative-ion based NBI

Kawai, Mikito; Aoyagi, Tetsuo; Ohara, Hiroshi; Honda, Atsushi; Kuriyama, Masaaki

JAERI-Tech 97-012, 69 Pages, 1997/03

JAERI-Tech-97-012.pdf:2.81MB

no abstracts in English

Development of transient data processing system in the NSRR experiments

Tanzawa, Sadamitsu

JAERI-M 93-011, 32 Pages, 1993/02

JAERI-M-93-011.pdf:0.93MB

no abstracts in English