Oral presentation

[2F09-14] Advanced Technologies of the Inspection & Diagnostic of Nuclear Power Plant

Thu. Sep 9, 2021 2:45 PM - 4:30 PM Room F

chair: Tetsuya Uchimoto (Tohoku Univ.)

2:45 PM - 3:00 PM

[2F09] An Application of Digital Hammering Inspection Technology to Diagnosis of ASR Deteriorated Concrete Structures

(1)Development of inverse analysis AI model

*Takashi Matsunaga¹, Ryota Ogawa¹, Mitsuyuki Sagisaka¹, Yoshihiro Isobe¹, Jun Tomiyama³, Shinobu Yoshimura², Tomonori Yamada² (1. NFI, 2. UTokyo, 3. University of the Ryukyus)

3:00 PM - 3:15 PM

[2F10] An Application of Digital Hammering Inspection Technology to Diagnosis of ASR Deteriorated Concrete Structures

(2)Verification of inverse analysis AI model with field inspection data (Verification results)

*Mitsuyuki Sagisaka², Jun Tomiyama¹, Takashi Matsunaga², Ryota Ogawa², Yoshihiro Isobe², Shinobu Yoshimura³, Tomonori Yamada³ (1. URyukyus, 2. NFI, 3. UTokyo)

3:15 PM - 3:30 PM

[2F11] Development of nondestructive inspection system for diagnosis of cable insulation material

(6)Radiation degradation under high temperature on cables used in the nuclear power plant

*Motomu Ishii¹, Hiroaki Fujiyoshi¹, Yoshihiro Isobe¹, Takatoshi Kawashima², Yukari Fuke³, Yasushi Fujisaki³, Masato Omoto³ (1. NFI, 2. KEB, 3. KEPCO)

3:30 PM - 3:45 PM

[2F12] Examination of flange diagnosis by digital measurement

*Ryota Ogawa¹, Yoshihiro Isobe¹, Takashi Suzuki², Kouzou Hattori², Shouji Sekiguchi², Susumu Miura², Naoki Morishita² (1. NFI, 2. JNFL)

3:45 PM - 4:00 PM

[2F13] Study on Flange Diagnosis using AI

*Yoshihiro Isobe¹, Takashi Matsunaga¹, Ryota Ogawa¹ (1. NFI)

4:00 PM - 4:15 PM

[2F14] Advanced of foundation bolt inspection

*Hiroaki Fujiyoshi¹, Takashi Matsunaga¹, Ryota Ogawa¹, Mitsuyuki Sagisaka¹, Yoshihiro Isobe¹ (1. NFI)

Time reserved for Chair （4:15 PM - 4:30 PM）

Oral presentation

[2F15-18] Advanced Operation & Management Technology for Nuclear Power Plant

Thu. Sep 9, 2021 4:30 PM - 5:45 PM Room F

chair: Akio Gofuku (Okayama Univ.)

4:30 PM - 4:45 PM

[2F15] Development of Abnormal Sign Detection System using AI for Nuclear Power Plant

(6)Building an Architecture that Incorporates the Knowledge of Engineers into a Detection Algorithm and Enhances Detection Performance

*Susumu Naito¹, Yasunori Taguchi¹, Yuichi Kato¹, Kouta Nakata¹, Isaku Nagura², Shinya Tominaga², Ryota Miyake², Toshio Aoki², Chikashi Miyamoto², Yusuke Terakado² (1. TOSHIBA, 2. TOSHIBA ESS)

4:45 PM - 5:00 PM

[2F16] Detailed assessment of material damage by electron backscatter diffraction

A procedure for reducing error in intra-grain misorientation identification

*Naoko Maekawa¹, Masayuki Kamaya¹ (1. INSS)

5:00 PM - 5:15 PM

[2F17] Development of Inspection Equipment Series of Instrumentation & Control System with Long-Term Maintainability

*Takaya Enomoto¹, Toshifumi Sato¹, Hideyuki Kitazono¹, Yoshifumi Nakamura¹, Shinichiro Nakazono¹, Yuka Takada¹ (1. TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION)

5:15 PM - 5:30 PM

[2F18] Development of radiation resistant SiC power supply circuit and application to pressure transmitter

*Ryo Kuwana¹, Masahiro Masunaga¹, keizou Egawa², Shinji Nomoto¹, Isao Hara¹, Hiromitsu Hayashi² (1. Hitachi, 2. Hitachi High-Tech Solutions)

Time reserved for Chair （5:30 PM - 5:45 PM）

Oral presentation

[3F05-06] Optimization of Nuclear Regulatory Inspection

Fri. Sep 10, 2021 11:20 AM - 12:00 PM Room F

chair: Kenta Murakami (UTokyo)

11:20 AM - 11:35 AM

[3F05] Research on Efficient Operation of Nuclear Regulatory Inspection System and Improvement of Inspectors' Competence

(1)Results of Hearing and Interview Surveys

*Junji Eto¹, Hiroki Sugino¹, Masaki Onodera¹, Shono Fujiyama¹, Kiyoshi Nakajima¹, Nobuaki Yoshizawa¹, Kiyoteru Suzuki¹ (1. Mitsubishi Research Institute, Inc.)

11:35 AM - 11:50 AM

[3F06] Research on Efficient Operation of Nuclear Regulatory Inspection System and Improvement of Inspectors' Competence

(2)Measures to Continuously Improve the Nuclear Regulatory Inspection System

*Hiroki Sugino¹, Junji Eto¹, Masaki Onodera¹, Shono Fujiyama¹, Kiyoshi Nakajima¹, Nobuaki Yoshizawa¹, Kiyoteru Suzuki¹ (1. MRI)

Time reserved for Chair （11:50 AM - 12:00 PM）

Sessions

IV. Nuclear Plant Technologies » 401-2 Operational Management, Inspection and Maintenance of Reactor

[2F09-14] Advanced Technologies of the Inspection & Diagnostic of Nuclear Power Plant

[2F09] An Application of Digital Hammering Inspection Technology to Diagnosis of ASR Deteriorated Concrete Structures

(1)Development of inverse analysis AI model

[2F10] An Application of Digital Hammering Inspection Technology to Diagnosis of ASR Deteriorated Concrete Structures

(2)Verification of inverse analysis AI model with field inspection data (Verification results)

[2F11] Development of nondestructive inspection system for diagnosis of cable insulation material

(6)Radiation degradation under high temperature on cables used in the nuclear power plant

[2F12] Examination of flange diagnosis by digital measurement

[2F13] Study on Flange Diagnosis using AI

[2F14] Advanced of foundation bolt inspection

[2F15-18] Advanced Operation & Management Technology for Nuclear Power Plant

[2F15] Development of Abnormal Sign Detection System using AI for Nuclear Power Plant

(6)Building an Architecture that Incorporates the Knowledge of Engineers into a Detection Algorithm and Enhances Detection Performance

[2F16] Detailed assessment of material damage by electron backscatter diffraction

A procedure for reducing error in intra-grain misorientation identification

[2F17] Development of Inspection Equipment Series of Instrumentation & Control System with Long-Term Maintainability

[2F18] Development of radiation resistant SiC power supply circuit and application to pressure transmitter

[3F05-06] Optimization of Nuclear Regulatory Inspection

[3F05] Research on Efficient Operation of Nuclear Regulatory Inspection System and Improvement of Inspectors' Competence

(1)Results of Hearing and Interview Surveys

[3F06] Research on Efficient Operation of Nuclear Regulatory Inspection System and Improvement of Inspectors' Competence

(2)Measures to Continuously Improve the Nuclear Regulatory Inspection System

Authentication