03-質(zhì)量控制技術(shù)-第1,2,3章(編輯修改稿)
2025-03-11 14:26 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 lin. He was not allowed to publish under his own name, so the paper was written under the pseudonym Student. The ttest and the associated theory became wellknown through the work of . Fisher, who called the distribution Student39。s distribution. P24 （適用：無(wú)限總體放回抽樣） P27 ? 當(dāng) P值很小，而抽樣數(shù)量又比較大時(shí)（ n＞ 50），可以用泊松分布逼近二項(xiàng)分布。 ? P28，例 1. P32P35 ? 例題。 三、統(tǒng)計(jì)過(guò)程控制的發(fā)展 Statistical Process Control 2. 統(tǒng)計(jì)過(guò)程控制的意義 ? SPC含義： ? 預(yù)防為主，統(tǒng)計(jì)方法， ? 異常波動(dòng)，捕捉先兆， ? 評(píng)估監(jiān)察，提供信息，保證均勻。 ? 技術(shù)受控、管理受控、人員受控。 2. 統(tǒng)計(jì)過(guò)程控制理論的發(fā)展 ? 20世紀(jì) 20年代，貝爾實(shí)驗(yàn)室的休哈特博士。 ? 控制圖的種類(lèi)發(fā)展： ==累積和控制圖 ==小批量生產(chǎn)控制圖 ==選控控制圖 ==多元控制圖 ? SPC理論： SPC—SPCD—SPCDA DiagnosisAnalysis 你們知道了 但是我們 做到 了 Jack Welch 第二章 過(guò)程 和 過(guò)程能力 一、過(guò)程的概念 ? Any activity, or set of activities, that uses resources to transform inputs to outputs can be considered as a process. ? process ? A set of interrelated or interacting activities which transforms inputs into outputs ? NOTE 1Inputs to a process are generally outputs of other processes. ? NOTE 2Processes in an anization are generally planned and carried out under controlled conditions to add value. ? NOTE 3A process where the conformity of the resulting prod
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