勤益科大機構典藏:Item 987654321/2861
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    題名: Advanced Multi-process Performance Analysis Chart (AMPPAC) for an Entire Product with Joint Confidence Regions
    作者: Chen, H.T.;Chen, K.S.
    日期: 2007
    上傳時間: 2009-08-20 13:15:39 (UTC+8)
    摘要: The control charts are widely used to control the process stability, and then
    analyse the ‘in-control’ data in the statistical process control. However, an
    ‘in-control’ process is not enough since it can produce non-conforming or out
    of specification products. Process capability indices, like Cp, Cpu, Cpl and Cpk,
    have been proposed to make decisions on how well the process meets
    specifications in practice. These indices can not be straightforwardly used for
    illustrating and analysing the multi-process products. Hence, the multi-process
    performance analysis chart (MPPAC) has been proposed. Nevertheless, the
    MPPAC approach is not reliable since sampling errors are ignored, and PCAC
    is only just suitable for full inspection. To overcome these shortcomings, this
    paper aims to develop an advanced multi-process performance analysis chart
    (AMPPAC) with process capability zones as well as taking into account interval
    estimates of these indices for precisely measuring an entire product composed of
    symmetric tolerances, larger-the-better and smaller-the-better characteristics.
    Besides, the issue about independent processes has been proposed by Chen et al.
    (Chen, K.S., Huang, M.L. and Li, R.K., Process capability analysis for an entire
    product. Int. J. Prod. Res., 2001, 39(17), 4077–4087.), and the solution about
    dependent processes will be provided in this paper. Thus, the AMPPAC can
    reliably and appropriately assess the multi-process performance and provide
    chances for continuous improvement on the manufacturing process.
    關聯: International Journal of Production Research, 45(9), 2141-2159
    顯示於類別:[工業工程與管理系(所)] 【工業工程與管理系所】期刊論文

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