Process Follows IT?
Process Follows IT?
Process Follows IT?
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Target Driven Design<br />
Lehrstuhl für Virtuelle Produktentwicklung<br />
Principle of Target Driven Design<br />
User<br />
initializes<br />
Model<br />
extracts<br />
Properties<br />
Constraints<br />
changes<br />
alteration<br />
parameters<br />
System<br />
calculates<br />
compares<br />
+<br />
–<br />
User sets<br />
Targets<br />
• Target properties are used to control the design workflow of the e product.<br />
• An optimization loop refines the initial model - within predefined initial constraints<br />
until it is as close as possible to the desired target properties.<br />
• Possibility for the user to control and to interact.<br />
(Source: FIORES)<br />
<strong>Process</strong> <strong>Follows</strong> <strong>IT</strong>? Prof. Dr.-Ing. Martin Eigner Folie: 39<br />
Example for Target Driven Design (1)<br />
Lehrstuhl für Virtuelle Produktentwicklung<br />
Working procedure:<br />
Shape modification by defining/specifying target reflection lines.<br />
CAD model with visualised<br />
surface properties, here<br />
simulated reflection lines<br />
("highlights") on a CAD<br />
surface.<br />
The system has to modify<br />
the surface of the model so<br />
that line A runs parallel<br />
to line C (target(<br />
is line B).<br />
Procedure:<br />
• Select not-satisfying line A<br />
• Define new target line B<br />
(parallel to line C)<br />
• CAD system caculates the new<br />
corresponding surface<br />
(Source: FIORES)<br />
Prof. Dr.-Ing. Martin Eigner Slide: 40<br />
20
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