Applications of microprocessors in work measurement Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/hh63sz76p

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  • The main objective of this thesis is to investigate the microprocessor's potentials to improve the productivity of Industrial Engineers engaged in work design and measurement. More exactly, the following four hypotheses were proposed and investigated: (1) A Universal Time Data (UTD) structure could be used to accommodate a variety of industrial needs. (2) The data files created according to the Universal Data Base structure should be accessed and edited by the analyst much like the word processing machines used by office clerks. (3) The programs developed could be written, compiled and stored onto 4096 bytes of Read Only Memory available in the computer. (4) The timer functions of microprocessors could be used not only to measure and record time, but also to real-time simulate activities and output signals in order to control light panels and a speaker. The thesis is comprised of two papers. The first paper, entitled "Microprocessors in Work Measurement: A Productivity Tool for MTM Analysts," comprising Chapter II of this thesis, is a tutorial introduction to the use of microprocessors to work analysis and design using the MTM predetermined time method. The second paper, entitled "Design of a Universal Time Data Structure for Work Measurement and Design," is included in Chapter III of this thesis, and specifically addresses the above four hypotheses. The set of programs developed have the ability to make the microcomputer operate as a multi-activity stopwatch, create the UTD files that are compatible with the microcomputer's Text Editor, inform the user of the additional observations needed to reach a given confidence level and interval, perform real-time simulation of the files, and generate MTM files and simograms. The future areas of research include: more extensive uses of the I/O ports to further assist Industrial Engineers, incorporation of work sampling program, more extensive time data tables (including MTM-2, MTM-1, robot action tables, etc.), testing of the practicality of the developed system under actual industrial work conditions. Matching microprocessor and video-tape capabilities presents another challenging dimension to Industrial Engineering productivity.
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