第10回
主成分分析とMSSA法を用いた動画予測手法の技術改良
著者:
上赤 一馬,Kazuma KAMIAKA,出町 和之,Demachi KAZUYUKI,榊原 洋志,Hiroshi SAKAKIBARA,笠原 直人,Naoto KASAHARA
発刊日:
公開日:
キーワードタグ:
Abstract In recent years, there are so many systems using movie. So, we propose a new method to predict the near-future images using movie. To predict the movi e, the Principal Component Analysis (PCA) and Multi-Channel Singular Spectrum Analysis (MSSA) are used in this method. Predicted movie obtained from this metho d is almost the same as the original movie, but improvement is required to reduce the calculation time and to increase the precision of the prediction for real -time image prediction. So, in ...
英字タイトル:
Technological Improvement of Movie Prediction Method by PCA and MSSA
論文
事故時安全性評価指標としてのレジリエンス指標の提案) 原子力プラントにおけるレジリエンス評価法の開発 (その1:原子力プラントの事故時安全性評価指標としての レジリエンス指標の提案)
著者:
出町 和之,Kazuyuki DEMACHI,鈴木 正昭,Masaaki SUZUKI,糸井 達哉,Tatsuya ITOI,村上 健太,Kenta MURAKAMI,笠原 直人,Naoto KASAHARA,宮野 廣,Hiroshi MIYANO,中村 隆夫,Takao NAKAMURA,荒井 滋喜,Shigeki ARAI,釜谷 昌幸,Masayuki KAMAYA,松本 昌昭,Masaaki MATSUMOTO
発刊日:
公開日:
キーワードタグ:
In this research, a new index “The Resilience Index” was proposed to evaluate the capability of nuclear power plant to recover from the situation of safety function lost. Three elements assumed to evaluate the resilience index are the achievement rate, necessary time, and probability of success of each accident management activity. The resilience index is expected to visualize the improvement of safety of each nuclear power plant against severe accidents. ...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plant (Part 1: Proposal of Resilience Index for Assessment of Safety of Nuclear Power Plant under Severe Accident)
第5回
保全方程式に基づく最適保全計画策定法の開発
著者:
出町 和之,Kazuyuki DEMACHI,宮 健三,Kenzo MIYA
発刊日:
公開日:
キーワードタグ:
This study proposes a method to search the optimum maintenance program of the nuclear power plant based on the maintenance equations approach. The maintenance equations consider the reliability an d the cost of the maintenance of the power plant and evaluate them quantitatively as the functions . By solving the minimum problems of the equations, the optimum maintenance program can be derived....
英字タイトル:
Development of Optimum Maintenance Program based on the Maintenance Equations
第10回
劣化・メンテナンス等を考慮した機器リスク評価
著者:
宮野 廣,Hiroshi MIYANO,荒井 滋喜,Shigeki ARAI,出町 和之,Kazuyuki DEMACHI
発刊日:
公開日:
キーワードタグ:
Functional assessment of equipment, considering the aged degradation of material, maintenance and so on, is required in order to evaluate the soundness of nuclear power plant in operation. In this report, equipment probabilistic risk is dealt with as showing the soundness of equipment, and the ideas how to consider aged degradation and maintenance on probabilistic risk are showed. ...
英字タイトル:
Equipment Probabilistic Risk Assessment Considering Aged Degradation and Maintenance
第9回
動画予測を用いた異常診断手法の開発
著者:
榊原 洋志,Yoji SAKAKIBARA,出町 和之,Kazuyuki DEMACHI,河合 理城,Masaki KAWAI,リッチャタクリ, Ritu CHHATLULI,上赤 一馬,Kazuma KAMIAKA
発刊日:
公開日:
キーワードタグ:
In this research, the new method to predict the near-future of the movie images captured by video camera based on the combination of t he Principle Component Analysis (PCA) and the Singular Spectral Analysis (SSA). In the normal condition of machines, the real-time ca ptured movie is supposed to correspond to the predicted one. If the error between the both becomes significantly large, it may suggest some anomalous motion of the machines. So the movie prediction method has a possibility of the sensitive an...
英字タイトル:
Development of Anomalous Detection using Movie Prediction
第14回
動画像の時系列解析による妨害破壊行為動作の検知
著者:
出町 和之,Kazuyuki DEMACHI,陳 実,Shi CHEN
発刊日:
公開日:
キーワードタグ:
In this research, a new method was developed to identify the _hand motion” of malicious sabotage behaviors. The Auto-encoder and Auto Associative Neural Network were applied for identification, and the time-series data of finger tips position were used as the training data of these Machine Learning. The identification reliability was more than 66%. ...
英字タイトル:
Detection of Sabotage Motion by Time Series Analysis of Video
論文
原子力プラントにおけるレジリエンス評価法の開発 (その 3:レジリエンス指標の評価法と 適用性に関する検討)
著者:
鈴木 正昭,Masaaki SUZUKI,出町 和之,Kazuyuki DEMACHI,村上 健太,Kenta MURAKAMI,糸井 達哉,Tatsuya ITOI,笠原 直人,Naoto KASAHARA,宮野 廣,Hiroshi MIYANO,中村 隆夫,Takao NAKAMURA,荒井 滋喜,Shigeki ARAI,釜谷 昌幸,Masayuki KAMAYA,山口 篤憲,Atsunori YAMAGUCHI,松本 昌昭,Masaaki MATSUMOTO
発刊日:
公開日:
キーワードタグ:
We have developed a new index, called the resilience index, that evaluates the dynamic stability of the system safety of a nuclear power plant during a severe accident by considering the ability to recover system safety functions that have become lost in the situation. In this paper, a detailed evaluation procedure for the resilience index is described. The system safety of a PWR plant during a severe accident is then assessed according to the resilience index in order to discuss the applicability of ...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plants (Part 3: Study on Evaluation Method and Applicability of Resilience Index)
第13回
原子力プラントにおけるレジリエンス評価法の開発 (その 3:レジリエンス指標の評価法と適用性に関する検討)
著者:
鈴木 正昭,Masaaki SUZUKI,出町 和之,Kazuyuki DEMACHI,宮野 廣,Hiroshi MIYANO,中村 隆夫,Takao NAKAMURA,釜谷 昌幸,Masayuki KAMAYA,荒井 滋喜,Shigeki ARAI,糸井 達哉,Tatsuya ITOI,村上 健太,Kenta MURAKAMI,笠原 直人,Naoto KASAHARA,松本 昌昭,Masaaki MATSUMOTO
発刊日:
公開日:
キーワードタグ:
We have developed a new index, called the resilience index, that evaluates the dynamic stability of the system safety of a nuclear power plant during a severe accident by considering the ability to recover system safety functions that have become lost in the situation. In this paper, a detailed evaluation procedure for the resilience index is described. The system safety of a PWR plant during a severe accident is then assessed according to the resilience index in order to discuss the applicability of ...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plants (Part 3: Study on Evaluation Method and Applicability of Resilience Index)
第13回
原子力プラントにおけるレジリエンス評価法の開発 (その1:原子力プラントの事故時安全性評価指標としてのレジリエンス指標の提案)
著者:
出町 和之,Kazuyuki DEMACHI,鈴木 正昭,Masaaki SUZUKI,宮野 廣,Hiroshi MIYANO,中村 隆夫,Takao NAKAMURA,釜谷 昌幸,Masayuki KAMAYA,荒井 滋喜,Shigeki ARAI,糸井 達哉,Tatsuya ITOI,村上 健太,Kenta MURAKAMI,笠原 直人,Naoto KASAHARA,松本 昌昭,Masaaki MATSUMOTO
発刊日:
公開日:
キーワードタグ:
In this research, a new index “The Resilience Index” was proposed to evaluate the capability of nuclear power plant to recover from the situation of safety function lost. Three elements assumed to evaluate the resilience index are the achievement rate, necessary time, and probability of success of each accident management activity. The resilience index is expected to visualize the improvement of safety of each nuclear power plant against severe accidents. ...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plant (Part.1: Proposal of Resilience Index for Assessment of Safety of Nuclear Power Plant under Severe Accident)
論文
原子力プラントにおけるレジリエンス評価法の開発 (その4:システム安全の考え方)
著者:
宮野 廣,Hiroshi MIYANO,山口 彰,Akira YAMAGUCHI,出町 和之,Kazuyuki DEMACHI,高田 孝,Takashi TAKATA,荒井 滋喜,Shigeki ARAI,杉山 直紀,Naoki SUGIYAMA
発刊日:
公開日:
キーワードタグ:
Abstract The total system design on Nuclear Plant ensures “Nuclear safety” with making practically achievable efforts to prevent and mitigate nuclear and radiological accidents. The performance based system design with “Defence in depth (D-I-D)” has been laid out as the key means in “preventing accidents”, “controlling escalation to serious consequences”, and “mitigating impact to the public”. D-I-D is extended to the management of severe accidents, and is an approach intended to provide protection a...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plant (Part4: Concept of System Safety on Operating Nuclear Power Plants)