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First time approching DOE tecnique - help -

Discussion in 'DOE - Design of Experiments' started by Dario Urbano, Mar 12, 2019.

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  1. Dario Urbano

    Dario Urbano New Member

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    Hi everyone,
    I am Dario and I am a PhD student.
    I am new in DOE tecnique and this is the reason why I am asking you help.

    I must provide a DOE tecnique in order to obtain an analytical correlation... in particular, I have 3 factors (A,B,C) and 3 level for each one.

    A 0.59 0.69 0.77
    B 16.2 24.2 32.2
    C 3.2 3.4 3.6

    I am using the book "Design and Analysis Experiments" by Douglas C. Montgomery; I read that "the 3^k design is not the most efficient way to model a quadratic relationship" and that is better use this sequential strategy:

    - Use 2^k design augmented with center points and obtain an indication of curvature;
    - If the curvature is important, augment the 2-level design with axial runs to obtain a CCD.

    Can someone explain me clearly how to procede with this strategy?
    Maybe with an example??

    I don't have much time unluckly to study all the book because my advisor give me only 3 days to solve this issue.
    So I really appreciate if someone could help me.
    Thank you, in advance.
     

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