1 AIT Asian Institute of Technology

Allocation of inspection effort in quality control

AuthorBhavin Vanuptikul
Call NumberAIT Thesis no. IE-87-11
Subject(s)Quality control

NoteA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology
PublisherAsian Institute of Technology
Series StatementThesis ; no. IE-87-11
AbstractThis study is concerned with the allocation of screening inspection in single line multi-stage production systems . The general objective of the study is to develop a Tot al Quality Cost model in which an optimization technique can be applied . The best inspect ion program is determined when the required Ave rage Outgoing Quality is specified . Inspection cost s , penalty charged for defective item found by inspection and penalty charged for outgoing defects are considered in the 'cost model . Cumulative inspection and the number of components in each stage are also taken into consideration. The model is developed in the form of a non-linear program. To minimize the objective function of the model, a computer program is developed which employs the modified pattern search technique . The model is applied to a refrigerator production line as a case study . The solution from the developed model is compared with the current inspection program. The relationship be tween the average fraction inspection and the required Ave rage Outgoing Quality is provided . Since the inspection program in the case study essentially gives rise to a linear program, a more involved example g1v1ng a non- linear program is solved for illustration as well as validation .
Year1987
Corresponding Series Added EntryAsian Institute of Technology. Thesis ; no. IE-87-11
TypeThesis
SchoolSchool of Engineering and Technology
DepartmentOther Field of Studies (No Department)
Academic Program/FoSIndustrial Engineering (IE)
Chairperson(s)Awate, Prakash G. ;
Examination Committee(s)Tabucanon, Mario T. ;Frausum, Yves G. Van ;
Scholarship Donor(s)Starr Foundation, U.S.A. ;
DegreeThesis (M.Eng.) - Asian Institute of Technology, 1987


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