IE386_ReviewSlides_FinalExam_Fall2011

IE386_ReviewSlides_FinalExam_Fall2011 - SCHOOL OF...

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SCHOOL OF INDUSTRIAL ENGINEERING Review for Final Exam IE386
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry – terms of importance Three body planes Sagittal Coronal Transverse  (or axial) Directions Ventral  and dorsal Cranial  (also rostral or cephalic) and caudal   (for other animals anterior and posterior are  used) Medial  and lateral Proximal  and distal Also Superficial and visceral Ipsilateral and contralateral
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry – terms of importance
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry – terms of importance
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry – terms of importance
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry – terms of importance
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry – neutral body posture
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SCHOOL OF INDUSTRIAL ENGINEERING Anthropometry problem Example: the T-1 aircraft (USAF) One prototype was designed to accommodate a 1 st  percentile female and a  99 th   percentile male In the resulting design, 90% of females, 80% of African-American males, and 30%  of white males could not fly the aircraft Why? Because if you try to construct a human from the percentiles mentioned before,  you won’t get a realistic human figure
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SCHOOL OF INDUSTRIAL ENGINEERING Correlations of body measurements What do high correlations mean?
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SCHOOL OF INDUSTRIAL ENGINEERING Alternative methods Use a random sample of subjects (~30) from a population of interest You might also use Monte Carlo simulation Select a set of “cases” A typical small female A typical large male (Etc.) If you have a large number of important features, or need to consider many  sizes of those features, it is best to choose a random sample
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SCHOOL OF INDUSTRIAL ENGINEERING Selecting cases Pick a few key features Pick those important to the particular product/task/etc. Eliminate features that have high correlations Four features or less is a good target Assume you are testing large/small Number of cases is 2 (number of features) So four features is 2 4  = 16 May only need to worry about the small or large size (e.g. seat width)
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SCHOOL OF INDUSTRIAL ENGINEERING Example Male Buttock-Knee Length (mm) Male Eye Height, Sitting (mm) 750 700 650 600 550 500 950 900 850 800 750 700 538.2 562.2 677.8 701.7 714.6 741.9 873.6 900.9 Scatterplot of Male Eye Height, vs Male Buttock-Kne
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SCHOOL OF INDUSTRIAL ENGINEERING Key principles Fit the job to the person, not the person to the job Leave space around the worker to accommodate movement,  visitors, storage, etc. 55 cm for movement within a space
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This note was uploaded on 01/17/2012 for the course IE 370 taught by Professor Cheng during the Spring '11 term at Southwestern.

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IE386_ReviewSlides_FinalExam_Fall2011 - SCHOOL OF...

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