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# note4 - University of Southern California Department of...

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University of Southern California Department of Industrial and Systems Engineering ISE 310L Production I; Facilities and Logistics Spring 2000 March Lecture Handouts (Part 1) A Prototype Algorithm For Facilities Layout Design Dr. Ardavan Asef-Vaziri

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Given a From-To Chart ( or an Activity Relationship Chart) and the size of departments, we want to generate a Block Layout. Shape of the departments are restricted to right angle polygons. Indeed we want to move from 2 3 4 5 6 7 1 E O I O - - 2 - E I I - 3 - - O - 4 I - - 5 A I 6 E 1 7 6 5 4 3 2 1 2 3 4 5 6 7

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The algorithm presented in this handout is a combination of a set of 3 algorithms in chapter 7 of your book. These algorithms are Systematic Layout Planning, Relationship Diagramming, and Pairwise interchange. The algorithm is composed of 3 parts Analyze the Relationships (No area involved) Quantify the qualitative relationships Define a measure for ordering Identify the order for placement Identify the relative location of each department Prepare the relationship diagram Include Area Prepare the Space Relationship Diagram Prepare the Block Layout Improve the Layout Evaluate The layout Improve the layout
2 3 4 5 6 7 1 E O I O - - 2 - E I I - 3 - - O - 4 I - - 5 A I 6 E Quantify the qualitative terms We may make any reasonable convention to transform qualitative characters into quantitative terms. Two examples are given below Example 1 U : 0 O : 2 0 I : 2 1 E : 2 2 A : 2 4 X : -2 4 Example 2 A : 10,000 E : 1000 I : 100 O : 10 U : 0 X : -10000 We use the second example to quantify the above activity relationship chart 2 3 4 5 6 7 1 1000 10 100 10 - - 2 - 1000 100 100 - 3 - - 10 - 4 100 - - 5 10000 100 6 1000

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Define the measure of ordering The Total Closeness Rating (TCR)
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• Spring '06
• Bottlik
• Harshad number, Noncototient, University of Southern California Department of Industrial and Systems Engineering ISE

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note4 - University of Southern California Department of...

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