A simulation of selected statistical process control methods :a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology at Massey University
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Date
1989
DOI
Open Access Location
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Publisher
Massey University
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Abstract
A simulation program, SQC, was developed at the Production Technology Department, Massey University. The program was written in Vax Basic
3.0 which is structured programming language and is run on the Vax computer under the VAX/VMS operating system 4.5. SQC is a menu-driven program which was designed to simulate data from a variety of production processes subject to inherent random variation and predetermined changes; sample selection for statistical quality purposes. Such decisions were made via the available feature to allow for user interactive control of the process parameters and sample selection methods while the chart of selected method was plotted on the terminal screen as well as optionally on the printer.
The exercise has been done to test and to observe how the program performed and produced the output on the screen and terminal-format files. Moreover, the program evaluation was carried out by comparing with a published article, which is satisfactorily acceptable.
The SQC can be utilized as a teaching tool for students in practising how each statistical process control method performs and how to make a right decision at a right time and as a research tool to observe and use the simulated results to predict and to improve the production process in the future.
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Keywords
Process control, Statistical methods