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JAEA Reports

A Study of reactor monitoring method with neural network

Nabeshima, Kunihiko

JAERI 1342, 119 Pages, 2001/03

JAERI-1342.pdf:7.52MB

no abstracts in English

JAEA Reports

None

*; Fusaeda, Shigeki*

JNC TJ1400 2000-004, 245 Pages, 2000/02

JNC-TJ1400-2000-004.pdf:8.57MB

no abstracts in English

JAEA Reports

None

*; Fusaeda, Shigeki*

JNC TJ1400 2000-003, 94 Pages, 2000/02

JNC-TJ1400-2000-003.pdf:4.63MB

no abstracts in English

Journal Articles

Plant monitoring with the combination of recurrent neural network and real-time expert system

Nabeshima, Kunihiko; Suzudo, Tomoaki; Takizawa, Hiroshi*; Ono, Tomio*; Kudo, Kazuhiko*

Proceedings of International Topical Meeting on Nuclear Plant Instrumentation, Controls, and Human-Machine Interface Technologies (NPIC&HMIT 2000) (CD-ROM), 9 Pages, 2000/00

no abstracts in English

JAEA Reports

Development of nonlinear finite element method program provided the h-version adaptive Mesh division function

; Tsukimori, Kazuyuki

PNC TN9410 98-069, 128 Pages, 1998/05

PNC-TN9410-98-069.pdf:2.55MB

There is a growing tendency to need structural analysis aided expert system, which adopts advanced analysis techniques and is useful adaptive design of large reactor. This report describes about development of the h-version adaptive mesh division function based on Yuge & Iwai method. From points of view about securing of analysis precision, reduction of work to make analysis data and decrease in calculation costs, to analyze smoothly the nonlinear problems is the main object of this system. The h-version adaptive mesh technique is the method that increases locally finite element mesh density, depending on dividing the elements that the absorbed energy quantity exceeds a standard value every increment step. We developed this h-version adaptive mesh division function and incorporate it in the general nonlinear finite element code. For the function this system has, we show the following. (1)It is possible to apply this system to the thermos elastic-plastic nonlinear problem. (2)The provided finite elements (a)4-Node Quadrilateral Plane-Stress Element (b)4-Node Quadrilateral P1ane-Strain Element (c)4-Node Quadrilateral Axisymmetric Solid Element (d)4-Node Layered Shell Element (3)The provided constitutive model (a)Ono-model (b)kinetic hardening rule (c)ORNL 10 cycles hardening rule (4)The repetition technique : Newton-Raphson technique (5)The application possible force type (a)The concentrated forces (b)The distributed forces (c)The self forces (d)The temperature forces (6)It is possible to apply the cyclic repetition force. (7)The dividing the elements technique (a)Rectifying the strain of the element shape depending on the aspect ratio (b)Dividing the elements that the absorbed energy quantity exceeds a standard value every increment step. (c)Add the function of input the plural absorbed energy quantity that is the estimate value of the division elements. The programming and giving the tests about this system was put into by RCCM.

JAEA Reports

A Study of reactor diagnosis method with neural network using PWR plant simulator

Nabeshima, Kunihiko; Nose, Shoichi*; *; Suzuki, Katsuo

JAERI-Research 96-051, 46 Pages, 1996/10

JAERI-Research-96-051.pdf:1.51MB

no abstracts in English

Journal Articles

A Computerized support system for the emergency technical advisory body in Japan

Kobayashi, Kensuke; Ishigami, Tsutomu; ; ; *; ; *

Genshiryoku Kogyo, 42(1), p.44 - 53, 1996/00

no abstracts in English

Journal Articles

Control system for JAERI AVF cyclotron

Okumura, Susumu; Agematsu, Takashi; Yokota, Wataru; Kamiya, Tomihiro; Fukuda, Mitsuhiro; Nakamura, Yoshiteru; Nara, Takayuki; Ishibori, Ikuo; Arakawa, Kazuo; Maruyama, M.*; et al.

Proceedings of 13th International Conference on Cyclotrons and Their Applications, p.648 - 651, 1993/00

no abstracts in English

JAEA Reports

None

PNC TJ7552 92-002VOL1, 73 Pages, 1992/04

PNC-TJ7552-92-002VOL1.pdf:5.12MB

no abstracts in English

Journal Articles

JAEA Reports

Development of accident diagnosis and prediction system for research reactor; A Pilot system of early fault detection expert system to reduce scram frequency

Yokobayashi, Masao; Matsumoto, Kiyoshi; Murayama, Yoji; Kaminaga, Masanori; Kosaka, Atsuo

JAERI-M 90-207, 26 Pages, 1990/11

JAERI-M-90-207.pdf:0.58MB

no abstracts in English

Journal Articles

Current status of development and application of computerized support systems for emergency response in radiological accidents

Ishigami, Tsutomu; ; Kobayashi, Kensuke

Nihon Genshiryoku Gakkai-Shi, 32(4), p.328 - 337, 1990/04

no abstracts in English

JAEA Reports

Reactor accident diagnostic expert system DISKET

; Yokobayashi, Masao

JAERI-M 89-184, 157 Pages, 1989/11

JAERI-M-89-184.pdf:2.86MB

no abstracts in English

Journal Articles

Statistical method application to knowledge base building for reactor accident diagnostic system

; Yokobayashi, Masao; Matsumoto, Kiyoshi; Kosaka, Atsuo

Journal of Nuclear Science and Technology, 26(11), p.1002 - 1012, 1989/11

no abstracts in English

Journal Articles

An Approach to build a knowledge base for reactor accident diagnostic expert system

; *; *; ; ; ;

Artificial intelligence and other innovative computer applications in the nuclear industry, p.375 - 381, 1988/00

no abstracts in English

Journal Articles

A Diagnosis system using knowledge engineering technique

Yokobayashi, Masao; *

Ijo Kenshutsu, Yochi No Tameno Sensa To Shingo Shori Gijutsu; Ijo No Kenshutsu To Yochi, p.226 - 238, 1988/00

no abstracts in English

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