Unifying Data Frameworkfor Facilities Design
IERC, Spring 1997, Miami, FL
Current Situation
- Independently Developed Algorithms
- Incompatible Data Formats
- Difficult to Compare Layouts
Goals
- Model and Algorithm Classification
Benefits
- Practitioners
- Portable Project Data
- Collection of Algorithms
- Researchers
- Algorithm Specialization
- Algorithm Comparison
- Composite Algorithms
- Collection of Standard Cases
Algorithm Hierarchy
Unified Data Framework
- Activity Centers (= Departments)
- Center Boundary Conditions
- Material Handling Networks
Activity Center Shapes
- Closed Polygon of Perpendicular Non-Crossing Line Segments
Activity Center Data:General Data
- General
- Label, name, desired area (W)
- Node coordinates (x, y, z)
- Area
- Actual area (A), actual perimeter (P)
- # Vertices
- List of vertices coordinates (x, y, z)
Activity Center Data:Material Flow Interface Points
- Material Flow Interface Points
- # Points
- List of coordinates (x, y, z) andtype (P, D, C)
Activity Center Data:Shape Data
- Additional Characteristics
- Min and max width and depth
- Max (F) and realized (R) shape ratio of enclosing rectangle
-
-
- Max (Q) and realized (S) shape complexity
Activity Center Data (3)
- Area penalty factor
-
- Shape penalty factor
-
- Fixed in place
- Display Characteristics
- Area and boundary color
- Node symbol, size, and color
Activity Relationships
- Qualitative and Quantitative
- With Outside or Perimeter
- Deterministic and Stochastic
Activity Data
- Commodity Data
- Number of commodities
- Label, name
- Relationship Data
- From and to center, commodity, period, relationship mean, relationship distribution, distribution parameter 1, distribution parameter 2, unit transportation cost
Boundary Conditions Data
- Building
- Number of partitions (floors)
- Width and depth penalty factor
- For each partition
- Name, available area, actual area
- # Vertices
- List of vertices coordinates (x, y, z)
Material Handling Networks
- More Than One Network Possible
Material Handling Network Data
- Atomic Area
- Boundary and area color, unit area cost
- # Vertices
- List of vertices coordinates
Material Handling Network Data (2)
- Material Handling Interface Points
- # Points
- List of point coordinates (x, y, z) and type (P, D, C)
Material Handling Network Data (3)
- Flows
- Origin and destination interface point
- Commodity
- Time period
Evaluation Methods
- Distance
-
- Centroid-to-centroid distance
- Material handling distance
- Total System Cost
- Interface points cost, total cost
Data Framework Illustrations
- Multi-Row Unequal Area - HOPE
- FLEX-BAY - Spiral - Aisles - FactoryOPT
ALDEP and CRAFT Layouts
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 1 2 2 2 2 5 5 5 5 7 7 7 7 0 0 0 0 0
0 1 1 2 2 2 2 5 5 5 5 7 7 7 7 0 0 0 0 0
0 1 1 2 2 2 2 5 3 5 5 7 6 7 7 0 0 0 0 0
0 1 1 2 2 2 2 3 3 5 5 6 6 7 7 0 0 0 0 0
0 1 1 2 2 2 2 3 3 5 5 6 6 7 7 0 0 0 0 0
0 1 1 1 1 4 4 3 3 5 5 6 6 7 7 0 0 0 0 0
0 1 1 1 1 4 4 3 3 5 5 6 6 7 7 0 0 0 0 0
0 1 1 1 1 4 4 3 3 6 5 6 6 7 7 0 0 0 0 0
0 1 1 1 1 4 4 3 3 6 6 6 6 7 7 0 0 0 0 0
0 1 1 1 1 4 4 3 3 6 6 6 6 7 7 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LayOPT: Spacefilling Curve
LayOPT: Manually Adjusted Layout
Spiral: Adjacency Graph
Spiral: Block Layout
Aisles: Aisle and Station Graph
Aisles: Bi-directional Aisles
Facilities Design Software Annual Buyers Guide
- IE Solutions, Facilities Planning Buyers Guide,Vol. 29, No. 1,January, 1997.
Action Plan
- www Site with Data Framework Description
- www.isye.gatech.edu/~mgoetsch/Marc_Goetschalckx.htm
- Request for Comments
- Summarized by Sept 31, 1997
- Next Step is Case Studies