品質
Online ISSN : 2432-1044
Print ISSN : 0386-8230
最新号
選択された号の論文の5件中1~5を表示しています
招待論説
部会研究活動報告
研究活動報告
  • 横山 真弘
    原稿種別: 研究活動報告 信頼性・安全性計画研究会
    2020 年 50 巻 1 号 p. 14-19
    発行日: 2020/01/15
    公開日: 2020/05/22
    ジャーナル 認証あり
     In recent years, various compliance violations have been revealed in Japanese companies. This paper focuses on systematic misconduct in the manufacturing field from the standpoint of quality assurance, such as quality data fabrication, disguise of manufacturing processes and false indications. Then, the ideal organization for compliance about quality assurance is described using the organization’s system diagram.
     The proposal in this paper is composed of five viewpoints. First, the organizational structure for compliance about quality assurance is shown. Secondly, the need for awareness and educational activities regarding compliance about quality assurance is shown. Third, the management of processes that lead to compliance about quality assurance is shown. Based on these matters, risk management for the occurrence of misconduct related to quality assurance becomes possible. Furthermore, from the point of view of crisis management, fourthly, early detection of violations and quick coping actions are shown, and finally, efforts to prevent recurrence are shown.
  • 於保 鴻一
    原稿種別: 研究活動報告 信頼性・安全性計画研究会
    2020 年 50 巻 1 号 p. 20-25
    発行日: 2020/01/15
    公開日: 2020/05/22
    ジャーナル 認証あり
     In some major companies in Japan, many inappropriate manners in quality assurance such as rewriting inspection data, producing and delivering products those are not satisfy customer requirements have been occurred recently. And those inappropriate manners deteriorated reliability and safety of those products, and the sales of those products fell down and also the presidents of those companies were forced to leave from their position in some cases. The research group for high reliability and safety of JSQC have been investigating and studying about those inappropriate manners in quality assurance. In the former report, four companies were picked up and investigated causes of inappropriate manners in those companies. And then, the causes of inappropriate manners were classified into 5 groups such as human, equipment, quality control system, management of quality control and culture of company and compliance.
     This report describes the investigated results of those four groups and proposes the check points to prevent predictable problems of inappropriate manners.
論文誌編
クオリティレポート
  • 森 輝雄, 貞松 伊鶴, 富島 明, 田辺 総一郎
    原稿種別: クオリティレポート
    2020 年 50 巻 1 号 p. 71-78
    発行日: 2020/01/15
    公開日: 2020/05/22
    ジャーナル 認証あり
     実課題への混合系直交表 L18(2137)の適用にあたり,列間の交互作用による他列への交絡は,2000年まで最適化でとりわけ影響しないとされたが,2009年以降の研究では違っている.しかしその認知度は低く,「交互作用の交絡の影響が小さい」という認識での実験で実際には交互作用が大きく,制御因子の水準選択を誤る例が多発している.本論文は,こうしたことを 実例で示し利用者の喚起を促すものである.
     本論文はこの交絡効果をモデル実験で再現し,数値実験で割り付け列が異なると最適条件が変わることを確認した.具体的に以下4項目を実施した.(1)L18 実例の空き列に割りつけ列より大きな交絡効果があること.(2)モデル実験からL18 に割り付けられた2因子の交互作用が空き列に現れること.(3)3水準2因子が交絡する空き列の効果は,3元表27個のL18 水準分布に依存すること.(4)L18の数値実験で割りつけ列を入れ替えると最適条件が変わること.
feedback
Top