An Application of the Concept of Desirability Function in Evaluating Erection Quality


Chakraborty, A.K.; Borah, G. K.   (1989, Marcel Dekker, Inc. and ASQC)   SQC & OR Division, Indian Statistical Institute, Calcutta, India

Quality Engineering    Vol. 1    No. 4
QICID: 15072    April 1989    pp. 443-452
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Article Abstract

Evaluation of quality of any product or service poses a common problem. As Harrison states, "in nearly all situations requiring human judgement, one is faced with a multiplicity of measures which must be balanced one against the other, weighted in accordance with their relative importance, compromised where these measures are mutually opposing, and variously manipulated to achieve an optimum judgement. Even when the determining factors are precisely measurable, a serious problem exists in symmetrically combining the individual measurements into one equally precise index representing the total comparison." The problem becomes more intensive when it comes to evaluating the quality of erection. This article describes how the quality of erection of an electrostatic precipitator chamber in a power plant can be evaluated.


Measurement and control, Quality analysis, Desirability scale, 'd' value, geometric mean

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