WEKO3
アイテム
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フリート信頼度の推定手法と信頼性設計
https://kagawa-u.repo.nii.ac.jp/records/5813
https://kagawa-u.repo.nii.ac.jp/records/5813ed71a91c-0e7b-45d6-8127-6c6f1309087a
名前 / ファイル | ライセンス | アクション |
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AN00038281_053-2_L301 (3.1 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||||
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公開日 | 2012-03-27 | |||||||||||
タイトル | ||||||||||||
言語 | ja | |||||||||||
タイトル | フリート信頼度の推定手法と信頼性設計 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Statistical fleet reliability estimators and reliability-based design | |||||||||||
言語 | ||||||||||||
言語 | jpn | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | departmental bulletin paper | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
石川, 浩
× 石川, 浩
WEKO
1771
× 谷本, 敏夫× 木村, 等× 篠塚, 正宣 |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | An effort has been recently made by A.M. Freudenthal to estimate the fleet reliability based on the scatter factor defined as the ratio of the maximum likelihood estimator of the scale parameter of the two-parameter Weibull distribution with a known shape parameter, assumedly describing the life distribution of structural elements or components, to the “time to first failure T₁” among a fleet of nominally identical elements or components subjected also to nominally identical operating conditions. Unfortunately, however, his definition of the fleet reliability R′ does not rigorously represent the true fleet reliability R to be defined theoretically as R=P[T₁≥ t₁⃰], where t₁⃰ is the service life (minimum life) specified for the fleet. Further, R′ in itself inherently involves a statistical nature and therefore needs to be deemed as an estimator of R. | |||||||||||
言語 | en | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | In this respect, a new estimator of R, designated by ^R in the case of known shape parameter, has been introduced in the present study. Statistical natures of R′ and ^R have been carefully examined and compared with the aid of Monte Carlo techniques, which has revealed the more advantage in using R in the reliability assessment rather than in using R′. | |||||||||||
言語 | en | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The mathematical difficulty multiplies when the Weibull shape and scale parameters are both assumed to be unknown. However, this is undoubtedly the case which is consistent with engineering reality. For these conditions, therefore, the reliability estimators Ř and R″ have also been introduced as a natural extension of aforementioned ^R and R′, respectively. Procedures involving Monte Carlo techniques have been established to evaluate the statistical properties of these estimators. Simulated results show that Ř plays the more crucial role in the reliability-based design than R″. The effect of the size to be used in the fatigue test, of the fleet size and of the reliability level on the accuracy of such estimation has also been discussed. | |||||||||||
言語 | en | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The fleet reliability can then be estimated based on either ^R in the case of known shape paIameter or Ř unknown shape. This satisfies the essential part of the requiIement in the reliabi1ity-based design of machines and structures. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
ja : 香川大学経済論叢 en : Kagawa University economic review 巻 53, 号 2, p. 487-535, 発行日 1980-10-25 |
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出版者 | ||||||||||||
言語 | ja | |||||||||||
出版者 | 香川大学経済学会 | |||||||||||
出版者 | ||||||||||||
言語 | en | |||||||||||
出版者 | Economic Society, Kagawa University | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 0389-3030 | |||||||||||
書誌レコードID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AN00038281 | |||||||||||
論文ID(NAID) | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | NAID | |||||||||||
関連識別子 | 40000434524 | |||||||||||
著者版フラグ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
見出し | ||||||||||||
大見出し | 論説 | |||||||||||
言語 | ja | |||||||||||
見出し | ||||||||||||
大見出し | Articles | |||||||||||
言語 | en | |||||||||||
WAID | ||||||||||||
1771|2052|2840|50 | ||||||||||||
KEID | ||||||||||||
5073 |