Knowledge driven sensor placement in multi-station manufacturing processes
by Prerna Tiwari; Manoj K. Tiwari
International Journal of Intelligent Engineering Informatics (IJIEI), Vol. 2, No. 2/3, 2014

Abstract: This paper presents a novel methodology for sensor placement in case of multi station manufacturing processes to reduce the dimensional variation in the manufactured product. The proposed methodology integrates knowledge about sensor placement problem with data mining methods. In this paper, sensor placement is termed as design alternative and a set of possible sensor locations as design space. The proposed methodology has four basic steps, i.e.: 1) uniform selection of design alternatives from design space (a set of all possible sensor locations/measurement points); 2) selection of computationally simpler feature functions which can characterise the goodness of a sensor placement; 3) construction of design library based on clustering approach; 4) classification of alternatives present in design library to form design selection rules. An assembly example (i.e., side frame of a sports utility vehicle) has been considered to illustrate the methodology. Moreover, efficiency of the proposed knowledge driven methodology is demonstrated by comparing it with exchange algorithm and other random search approaches which are predominantly used for sensor placement problem.

Online publication date: Sat, 20-Dec-2014

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