1. Equilibrate System upgrade
RIT Open Presentation

2. Group Members David Lahn: Project Manager/Camera Structure Design
Sado Borcilo: Camera Structure Design
Diana Rodriguez: Foot Plate Track Design
Natalie Ferrari: Foot Plate Analysis and Design

3. Agenda Current Product Subassembly Details Final System Comparison
Customer Needs, Constraints
Engineering Specifications
Functional Decomposition
Subassembly Details
New Design
Prototype Testing
Detailed Design Outputs
Results
Recommendations
Final System Comparison
Questions

4. Current Product Customer Needs Constraints: N
Quickly review needs subject to constraints;
Show Sample hardware; E W S

5. Specs
CURRENT
Quickly discuss spec table

6. Function Decomposition
Focused on hardware only;
3 main functions of hardware, support the patient, hold components in correct position, portability.

7. Subassembly Division Component #1 Camera Structure Component #2
Foot Track Adjustability
Component #3
Foot Plate Design

8. Camera Structure Design
Design Process
Concept Development
Feasibility Analysis
Design Selection and Detail Design Creation
BOM Creation
Ordered Parts
Prototype Build
Prototype Alteration
Testing

9. New Design

10. Prototype

11. Test Results (Theoretical)

12. Test Results (Actual)

13. Plan to Meet Design Specifications
Specification (metric)
Unit of Measure
Current System Benchmark
Ideal Design Value
Proposed Design
Prototype Test Results
Test Number
Notes
Successful
Total Weight
lbs.
44lbs
35lbs
33lbs
Foot plate weight
4.35lbs / each
2.18lbs / each
2.83lbs / each
3.0lbs / each
T-002
YES
Camera structure weight
13.6 lbs
10 lbs
8.88 lbs
6.4 lbs
Foot Track System Weight
9.12lbs
10lbs
10.09lbs
11.12 lbs
Total Aesthetics
Qualitative (1-10) 5
Camera structure aesthetics
qualitative (1-10) 10 7
Cabling aesthetics 8
Total Set Up Time
seconds
≤ 300 s
300s
300 s
Mechanical Camera structure set up time 78 75
75.6
T-007
Assembly conducted by average male of 22 years
Foot plate removal time
3 - 9s 2s 5s
Total Stability
Unintentional camera movement
inches 3
< 3
3.2
4.5
T-001
Results are greatest deflection from a 5lb load
Unintentional foot pad movement
0.05
<0.1
0.1
0.34
T-T-002
Results are greatest deflection from a 20lb load
FAIL
Total Adjustability
Camera height adjustability
18.5" - 57"
"
Foot pads adjustability North - South
0" - 44"
0 - 44"
Foot pads adjustability East - West
0"
0 - 12"
Total Functionality
Foot Plate Deformation under 165lbs
0.0181
<
0.0288
T-F-001
165lb load spread over center
Foot Plate Max Stress
PSI
5,500
5500
5900
>=5900
Camera X distance from Edge of foot pads
44"
Camera Y distance from center of foot pads
27"
Total Portability
Total deployed footprint
feet
50" x 60"
Total un-deployed size
48"x21"x8"
≤ 48"x21"x8"

14. Recommendations
Increase weight underneath vertical bar to compensate for full displacement of vertical bar.
Increase length of feet extensions
Possibly revert to T-shape structure, Y-shape does not save significant material.

15. Foot Plate Track Design

16. Prototype

17. Plan to Meet Design Specifications
Specification (metric)
Unit of Measure
Current System Benchmark
Ideal Design Value
Proposed Design
Prototype Test Results
Test Number
Notes
Successful
Total Weight
lbs.
44lbs
35lbs
33lbs
Foot plate weight
4.35lbs / each
2.18lbs / each
2.83lbs / each
3.0lbs / each
T-002
YES
Camera structure weight
13.6 lbs
10 lbs
8.88 lbs
6.4 lbs
Foot Track System Weight
9.12lbs
10lbs
10.09lbs
11.12 lbs
Total Aesthetics
Qualitative (1-10) 5
Camera structure aesthetics
qualitative (1-10) 10 7
Cabling aesthetics 8
Total Set Up Time
seconds
≤ 300 s
300s
300 s
Mechanical Camera structure set up time 78 75
75.6
T-007
Assembly conducted by average male of 22 years
Foot plate removal time
3 - 9s 2s 5s
Total Stability
Unintentional camera movement
inches 3
< 3
3.2
4.5
T-001
Results are greatest deflection from a 5lb load
Unintentional foot pad movement
0.05
<0.1
0.1
0.34
T-T-002
Results are greatest deflection from a 20lb load
FAIL
Total Adjustability
Camera height adjustability
18.5" - 57"
"
Foot pads adjustability North - South
0" - 44"
0 - 44"
Foot pads adjustability East - West
0"
0 - 12"
Total Functionality
Foot Plate Deformation under 165lbs
0.0181
<
0.0288
T-F-001
165lb load spread over center
Foot Plate Max Stress
PSI
5,500
5500
5900
>=5900
Camera X distance from Edge of foot pads
44"
Camera Y distance from center of foot pads
27"
Total Portability
Total deployed footprint
feet
50" x 60"
Total un-deployed size
48"x21"x8"
≤ 48"x21"x8"

18. Foot Plate Design

19. Design Iterations Current Thin Plate Milled Design 1 Milled Design 2

20. Selected Concept Using same aluminum, mill out material.
Proposed Design

21. Boundary Conditions and Force
Top
0.1” diameter
Bottom
0.1” diameter
0.5 from top
0.5 from side

22. Design Feasibility

23. Prototype
Material: RMC Rochester
Machining: Brinkman Lab

24. Testing
Experimental Set Up

25. Results Foot Plate Data Design Plate Thickness (in) Weight (lb)
Max Deflection (in)
Current
0.375
4.55
0.0181
Proposed
2.95
0.0288
Thin Plate
0.250
3.00
0.0507

26. Plan to Meet Design Specifications
Specification (metric)
Unit of Measure
Current System Benchmark
Ideal Design Value
Proposed Design
Prototype Test Results
Test Number
Notes
Successful
Total Weight
lbs.
44lbs
35lbs
33lbs
Foot plate weight
4.35lbs / each
2.18lbs / each
2.83lbs / each
3.0lbs / each
T-002
YES
Camera structure weight
13.6 lbs
10 lbs
8.88 lbs
6.4 lbs
Foot Track System Weight
9.12lbs
10lbs
10.09lbs
11.12 lbs
Total Aesthetics
Qualitative (1-10) 5
Camera structure aesthetics
qualitative (1-10) 10 7
Cabling aesthetics 8
Total Set Up Time
seconds
≤ 300 s
300s
300 s
Mechanical Camera structure set up time 78 75
75.6
T-007
Assembly conducted by average male of 22 years
Foot plate removal time
3 - 9s 2s 5s
Total Stability
Unintentional camera movement
inches 3
< 3
3.2
4.5
T-001
Results are greatest deflection from a 5lb load
Unintentional foot pad movement
0.05
<0.1
0.1
0.34
T-T-002
Results are greatest deflection from a 20lb load
FAIL
Total Adjustability
Camera height adjustability
18.5" - 57"
"
Foot pads adjustability North - South
0" - 44"
0 - 44"
Foot pads adjustability East - West
0"
0 - 12"
Total Functionality
Foot Plate Deformation under 165lbs
0.0181
<
0.0288
T-F-001
165lb load spread over center
Foot Plate Max Stress
PSI
5,500
5500
5900
>=5900
Camera X distance from Edge of foot pads
44"
Camera Y distance from center of foot pads
27"
Total Portability
Total deployed footprint
feet
50" x 60"
Total un-deployed size
48"x21"x8"
≤ 48"x21"x8"

27. Comparison of Proposed vs. Current
Additional Cost
Foot Plates $30 x 2
Foot Track $17.12
Camera Structure $ $ = -$422.16 =$
Estimated savings of $ per unit.

28. Discussion/Questions?