1. RIT MSD Project RC Camera Car Fall / Spring 2013-14
By: Tim Southerton
DPM
05/16/13

2. Project Overview High Visibility Project Uses Deliverables Imagine RIT
Freescale Cup
Deliverables
RC Camera Car and Console
Fun to Drive
Durable
Easy to Use
Entertaining
Scoped for MSD
Practice Course for other Projects

3. Project Support Possible Faculty Champions: Other Faculty Support:
Dr. Becker-Gomez (CE)
Dr. Hopkins (EE)
Other Faculty Support:
Dr. Melton (Freescale Experience)
Dr. Pow (Camera Experience)
Dr. Walter (Robotics Experience)
Mr. Slack (EE MSD Coordinator)
Funding Support
Mr. Smith (MSD Coordinator)
Mr. Mastronardi (Freescale)

4. Control an RC Camera Car Remotely
Transport Components
Move Car Chassis
Meet Car Power Budget
Communicate Wirelessly
Control Movement
Transmit Visuals
Meet Constraints
Constrain Car Travel Area
Allow User Usage
Hold Car Together
Switch Car Components
Stay Within Budget
Look Professional
Keep Car from Getting Stuck
Involve Multiple Disciplines
Demonstrate Innovation
Use DIY Components
May be Constrained by Components
Allow for Project Flexibility with Staffing

5. Feasibility Analysis Feasibility Analysis Summary # Analysis
Info Source(s)
Type
1.)
Car Power Requirements
Datasheets, Instruction Manuals
Rough Battery Size Estimation
2.)
Cost Analysis
Vendor Sites, Experience
Rough Overall Cost Estimation
3.)
MCU Flowchart
Objective Components
General Electrical Task Flow
4.)
Weight Test
Physical Measurement
Weigh Components and Compare
Assumptions
Feasibility
Solution
Date
Microcontroller / Wireless Chip / Wireless Camera Setup; Full Power Draw
Possible
5000 mAh Battery Capacity
4/20
Major Parts: USB Controller, Microcontrollers, Batteries, Camera, Screen, Car
Approx. $825
4/21
Overall Approach Fixed; Camera Transmission Separate
Reasonable for MCU
4/27
Similar Components Weight Approx.; Freescale Car can Move Sufficiently
Reasonable Payload
4/24

6. Cost Analysis Freescale Cup Donation Other Donations Item Quantity
Unit Price
Total Price
Comments nd # $
Microcontroller 2
25.00
50.00
TBD Estimate
Wireless Chip
100.00
Wireless Camera w/ TX/RX 1
55.00
900 MHz 200mW RC Camera
Motor Controller
20.00
Steering / Throttle Controller
Logitech MOMO Setup, Probably Used
Battery w/ Connectors
40.00
2S 20C 5000 mAh Turnigy LiPo
Battery Charger
Turnigy Accucel-6 (Charges Most Batteries)
Assorted Other Components
Fasteners, Extra RC Parts, etc.
Console Desk
30.00
Component Mounting Area
LCD TV
125.00
Chair
Adjustable for User
Freescale Cup Chassis
80.00
Frame, Wheels, Motors, Servo
Course Budget
Total Cost
825.00
Freescale Cup Donation
Other Donations

7. Metrics, Specs, and Constraints
Function
Metrics
Direction
Ideal
Target
Marginal
Units
From Function Tree
Move Car Chassis
Travel Speed
| |
0 to 10 -
0 to 1
ft/sec
Additional Payload ↑
1.2
0.5 lb
Control Movement
Control Range
200
100 10 ft
Control Delay ↓
Not
Almost Not
Somewhat
Noticeable
Steering Ratio (I/O)
12:1 to 20:1 nd
Throttle Travel (Full Accel.)
2.5 in
Forward / Reverse
Yes
Yes/No
Transmit Visuals
Camera Range
Camera Delay
Framerate 30 20 15
fps
Resolution
VGA
CGA
pixels
Meet Power Budgets
See Budgets
Car Run Time 1
0.25
hours
Meet Constraints
See Constraints
Metrics, Specs, and Constraints
Function
Metrics
Direction
Ideal
Target
Marginal
Units
From Project Constraints
Constrain Car Travel Area
User Stays on Course ↑
100 90 80
% of Laps
Allow User Usage
Learning Curve Time ↓ 60
120
300
sec
Hold Car Together
Car Survives Collisions 10 8 5
Collisions
Switch Car Components
Car Downtime after Damage 2 24
hours
Stay Within Budget
Total Cost
500
750
1000 $
Look Professional
Positive Visual Inspection 50
% of Users
Keep Car from Getting Stuck
Manual Reset Required 1
Resets / Hour
Involve Multiple Disciplines
Different Majors Involved 3
Majors
Demonstrate Innovation
Event Entry
Events
Use DIY Components
Product Expandable
Yes
Yes/No

8. Potential Concepts Constrained Function Meet Console Power Budget
Allow User Usage
Hold Car Together
Stay Within Budget
Look Professional
Means
DC Power Brick
Use a Steering Wheel /Pedal Controller
Depends on Chassis Geometry
Depends on Component Evaluation
Depends on Chassis Geometry and Components
Involve Multiple Disciplines
Demonstrate Innovation
Use DIY Components
Control Movement
Transmit Visuals
Depends on Final Project Scope
Depends on Availability
See Other Components
Microcontroller, 900 MHz RF, Steering Wheel / Pedal USB
900 MHz 200mW TX/RX Camera, Analog Input TV Monitor
Concept
Constrain Car Travel Area
Keep Car from Getting Stuck
Switch Car Components
Move Car Chassis
Meet Car Power Budgets A
Tape line course
Stabilization booms
Padded electronics enclosure
Freescale Cup Chassis with H-Bridge
LiPo Battery B
Indoor course with mech. challenges
Wheels bigger than car chassis
Covering body piece
Alternative Chassis with H-Bridge
Ni-MH Battery C
Indoor course with terrain
Inflatable bladder
Glue components to chassis
Freescale Cup Chassis with ESC (TEU-104BK) D
4th floor tables and chairs
Bumper system
Components bolted on
Li-Ion Battery

9. Collision Opportunity
Pugh Matrix
Inspiration Model
Project #R13904
RC Camera Car
Concepts
Selection Criteria
Benchmark A B C D
Robustness + -
Cost
Usage Time
Ease of Replacement
Drivability
Appearance
Diversity of Terrain
Collision Opportunity
Bystander Safety
Downtime
Expandability
Sum + 's (2 pts) 7 4 3
Sum 0's (1 pts) 11 1
Sum -'s (0 pts)
Rank 15 10 12

10. Additional Information
Ideal Staffing
2 ME’s – Robotics / Fabrication 
2 EE’s – Microcontroller / Power
2 CE’s – Programming / Interfacing
Project Scalable with Available Staffing
Optical Timing Gate – EE’s
Reverse Camera – ME’s
Line Following – CE’s
Possible Resources
10’ x 10’ Work Area for Course Development