1. ECE362 Principles of Design
High Level Design
and
PDS
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2. High Level Design Stage 1 – Needs,
System Definition, & PDS or Requirements Specification
Needs and
Marketing
System
Definition
Requirements
Specifications
High Level
Design
Conceptual
Design
Detail
Design
Stage 2 – Design
Test
Verification
Reporting
Stage 3 – Test,
Verification, & Reporting
Stage 4 –Manufacturing,
Sales, & Distribution
Manufacturing
Sales
Distribution
This process is part of what
we call Systems Engineering
Deliver Product = $$$
ECE362Lec2_app2_W04.ppt
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3. Sample HLD and PDS
Formulate a High Level Design document and a Product Design Specification for a residence hall room for a single resident.
ECE360ResidenceHallPDS.pdf
HighLevelRequirements&PDSDormRoomExample.pdf
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4. Features of a PDS Basis for all design decisions
May serve as a contract
Dynamic rather than static
Considers all aspects of the product and it’s interactions
Good PDS => Good design
Include all aspects at beginning, even if at a superficial level
More details as project progresses
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5. Elements of a PDS Performance Environment Service Life
Maintenance and repair
Target Product Cost
Competition
Shipping
Packaging
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6. Elements of a PDS Quantity Manufacturing Facility Size Weight
Aesthetics, appearance and finish
Materials
Production Life Span
Standards and specifications
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7. Elements of a PDS Ergonomics Customer Quality/Reliability Shelf-Life
Processes
Time-scales
Testing
Safety
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8. Elements of a PDS Company constraints Market constraints
Patents, literature, product data
Political and social implications
Legal
Installation
Documentation/Training
Disposal
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9. Guidelines for a PDS
PDS represents what you are trying to achieve, not the achievement itself.
PDS is for you and your colleagues; it should be written succinctly and clearly.
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10. Guidelines for a PDS
Never write a PDS in essay form; use short, sharp definitive statement; leave space for amendments.
From the beginning quantify parameters, even when they are estimates.
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11. Guidelines for a PDS
Always date the PDS and put an issue number on it.
Clearly document amendments.
To gain flexibility, each time start preparing a PDS starting from a different specification.
More details on
PDS_Guidelines.pdf
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12. Assignment – Due Mon, Dec 8
INDIVIDUAL ASSIGNMENT – Quiz on Friday over system engineering, requirements specifications, and high level design.
TEAM ASSIGNMENT – Complete an HLD for an ECE laboratory located in C115 to be used for the following courses:
ES203
ECE200
ECE250
TEAM ASSIGNMENT – Complete a PDS for the ECE laboratory on Thursday, Dec 11.
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