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Hochschule
Karlsruhe Technik und Wirtschaft |
Requirement List
Project
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Summer Semester 2021 |
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Faculty of Mechanical and Mechatronics |
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| Prof. J. Walter |
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Semester:
SS 2021 |
Organisation-
Details |
Process-
Details |
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Value-Details |
| Num. |
Name: |
Art |
Phase |
Requirements
|
Minimum-
Fulfillment |
Should-
Fulfillment |
Ideal-
Fulfillment |
Unit of Measurement |
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Physical-Technical Function
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| P01 |
Lorenz |
Y/N |
|
Measure load on each crutch |
+/- 10 |
+/- 5 |
+/- 2.5 |
%max partial load |
| P02 |
Mufti |
W |
|
Measure crutch acceleration |
|
|
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| P03 |
Mufti |
W |
|
Acquire crutch orientation |
|
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| P04 |
Chris |
Y/N |
|
Recognize 3-point-walking with crutches |
|
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| P05 |
Chris |
W |
|
Recognize walking up- and downstairs with crutches |
|
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| P06 |
Chris |
Y/N |
|
Combine data between both crutches wirelessly |
|
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| P07 |
Mufti |
Y/N |
|
Calculate load on affected leg while walking |
+/-20 |
+/-10 |
+/-5 |
kg |
| P08 |
Lorenz |
Y/N |
|
Support body weight |
70 |
|
|
kg per crutch |
| P09 |
Joachim |
Y/N |
|
Provide continous battery runtime |
8 |
16 |
24 |
hours |
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Technology (Manufacturability)
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| T01 |
Lorenz |
W |
|
Design to retrofit conventional crutch |
|
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| T02 |
Kai Li |
Y/N |
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Meet ISO criteria |
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| T03 |
Lorenz |
W |
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Design for future adaptation on walking frame (Zimmer frame) |
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| T04 |
Joachim |
Y/N |
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Both crutches must be identical |
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Economics
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| E01 |
Lorenz |
Y/N |
|
Maximale Gesamtkosten |
400 |
200 |
150 |
Euro |
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Human-Product Relationships
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| H01 |
Joachim |
Y/N |
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Signal patient overload acoustically |
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| H02 |
Joachim |
Y/N |
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Signal patient overload optically |
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| H03 |
Danial |
Y/N |
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Show live load on affected limb via
web application |
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| H04 |
Danial |
Y/N |
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Imply basic operation for patient without additional devices |
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| H05 |
Kai Li |
Y/N |
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Imply operation for medical personnel wireless via web application |
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| H06 |
Kai Li |
Y/N |
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Set partial load (full load) via web application |
10-20 |
>0 |
|
kg |
| H07 |
Mufti |
Y/N |
|
Store data anonymously on crutch |
|
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| H08 |
Joachim |
Y/N |
|
Simple recharge of battery |
|
USB Charger |
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| H09 |
Joachim |
W |
|
Handling for patient as simple as possible |
only calibration and on/off switches |
only on/off switch |
no switch |
|
| H10 |
Danial |
W |
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Show statistical data on web application: steps total, persentage, how many steps over/under limit, max/min load, average load, average above/below limit load |
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| H11 |
Danial |
W |
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Show report in printable format |
html website |
PDF |
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| H12 |
Chris |
Y/N |
|
Determine patient's weight for calculation |
enter via web interface |
put whole weight on crutch, optional calibration switch |
calculate from raw data |
|
| H13 |
Danial |
W |
|
Seperate display to show live the
load on affected limb without any operation |
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| H14 |
Kai Li |
W |
|
2nd operating mode that signals
load on affected limb below certain value |
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| Requirement Type : Y/N
- Necessary, TR - Tolerated Requirement; W - Wish; Construction Phase : P - Principle;
C - Concept; D - Draft; E - Elaboration;
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First Edition
from April 2021 |
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Edition: 18 April 2021 |
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Version: 01 |
Editor:
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Sheet 1 of 1 |
