Ski boot walking attachment redesign
From DDL Wiki
(Difference between revisions)
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(→Pugh Chart - Final: Paste in Final Pugh Chart data) |
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| colspan="2" align="center"| '''Description''' | | colspan="2" align="center"| '''Description''' | ||
| - | ! WalkEZ !! Unbuckling !! | + | ! WalkEZ !! Unbuckling !! Unbuckling & WalkEZ !! Track-Spring-Damper Device |
|- | |- | ||
| colspan="2" align="center" | Sketch | | colspan="2" align="center" | Sketch | ||
| Line 118: | Line 118: | ||
| align="center" | Final Concept | | align="center" | Final Concept | ||
|- | |- | ||
| - | | align="center" | | + | | align="center" | Physically minimal |
| - | | align="center" | | + | | align="center" | 2 |
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | ++ | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | | align="center" | | + | | align="center" | - |
| - | + | ||
|- | |- | ||
| align="center" | Durable | | align="center" | Durable | ||
| + | | align="center" | 1 | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | |||
| - | |||
| align="center" | 0 | | align="center" | 0 | ||
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | - | ||
|- | |- | ||
| align="center" | Easy to Use | | align="center" | Easy to Use | ||
| - | | align="center" | | + | | align="center" | 1 |
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | - | ||
| + | | align="center" | - | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | |||
| - | |||
|- | |- | ||
| - | | align="center" | | + | | align="center" | Improves step |
| - | | align="center" | | + | | align="center" | 3 |
| - | + | ||
| - | + | ||
| - | + | ||
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | - | ||
| + | | align="center" | - | ||
| + | | align="center" | +++ | ||
|- | |- | ||
| align="center" | Universal | | align="center" | Universal | ||
| - | | align="center" | | + | | align="center" | 2 |
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | - | ||
| + | | align="center" | - | ||
| + | | align="center" | + | ||
| + | |- | ||
| + | | align="center" | Inexpensive | ||
| + | | align="center" | 1 | ||
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | ++ | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | | align="center" | | + | | align="center" | -- |
|- | |- | ||
| colspan="2" align="center" | + | | colspan="2" align="center" | + | ||
| align="center" | 0 | | align="center" | 0 | ||
| + | | align="center" | 6 | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | | align="center" | | + | | align="center" | 11 |
| - | + | ||
|- | |- | ||
| colspan="2" align="center" | 0 | | colspan="2" align="center" | 0 | ||
| - | | align="center" | | + | | align="center" | 9 |
| - | | align="center" | | + | | align="center" | 1 |
| - | | align="center" | | + | | align="center" | 4 |
| - | | align="center" | | + | | align="center" | 1 |
|- | |- | ||
| colspan="2" align="center" | - | | colspan="2" align="center" | - | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | | align="center" | | + | | align="center" | 6 |
| - | | align="center" | | + | | align="center" | 6 |
| - | | align="center" | | + | | align="center" | 5 |
|- | |- | ||
| colspan="2" align="center" | Totals | | colspan="2" align="center" | Totals | ||
| align="center" | 0 | | align="center" | 0 | ||
| align="center" | 0 | | align="center" | 0 | ||
| - | | align="center" | | + | | align="center" | -6 |
| - | | align="center" | | + | | align="center" | 6 |
|} | |} | ||
| - | |||
=Recommendations= | =Recommendations= | ||
Revision as of 19:57, 8 October 2008
Contents |
Extended Summary
Market Research
Survey
Existing Solutions
Products
Hacks
Initial Concepts
Introduction
Track
Spring-Damper
Hinged Boot
Comparison with Existing Solutions
Pugh Chart - Initial
| Description | WalkEZ | Slider | Spring-Damper | Boot Hinge | |
|---|---|---|---|---|---|
| Sketch |  | | |
| |
| Criterion | Weighting | Reference | Concept 1 | Concept 2 | Concept 3 |
| Physically minimal | 2 | 0 | - | 0 | + |
| Durable | 1 | 0 | - | - | - |
| Easy to Use | 1 | 0 | 0 | 0 | - |
| Improves step | 3 | 0 | ++ | ++ | + |
| Universal | 2 | 0 | + | 0 | -- |
| Inexpensive | 1 | 0 | -- | - | -- |
| + | 0 | 8 | 6 | 5 | |
| 0 | 9 | 1 | 5 | 0 | |
| - | 0 | 5 | 2 | 8 | |
| Totals | 0 | 3 | 4 | -3 | |
Selected Concept
Desired Traits
Theoretical Equivalence
Physical Form
Comparison
Pugh Chart - Final
| Description | WalkEZ | Unbuckling | Unbuckling & WalkEZ | Track-Spring-Damper Device | |
|---|---|---|---|---|---|
| Sketch | | | |
| |
| Criterion | Weighting | Reference | Alt. Solution | Alt. Solution | Final Concept |
| Physically minimal | 2 | 0 | ++ | 0 | - |
| Durable | 1 | 0 | 0 | 0 | - |
| Easy to Use | 1 | 0 | - | - | 0 |
| Improves step | 3 | 0 | - | - | +++ |
| Universal | 2 | 0 | - | - | + |
| Inexpensive | 1 | 0 | ++ | 0 | -- |
| + | 0 | 6 | 0 | 11 | |
| 0 | 9 | 1 | 4 | 1 | |
| - | 0 | 6 | 6 | 5 | |
| Totals | 0 | 0 | -6 | 6 | |
