1. Transportation Technology Part 2: Subsystems
Mr. Barber

2. What is a Subsystem?
System- A group of inter-related parts that work together to accomplish a common goal
Subsystem- A smaller sytem within a system

3. Six Subsystems: Structure Suspension Control Guidance Propulsion
Support

4. Structure: Definition: The Basic Framework of a System Car Frame
Boat Hull
Bike Frame
Airplane Fuselage

5. Suspension:
Definition: The Transportation System’s Connection to its Environment
Examples:
Automobile- Tires on the Road
Airplane- Wings in the Air
Train- Wheels on the Track
Boat- Hull on the Water

6. Control: Definition: Determines Speed and Direction Examples: Brakes
Steering Wheel
Handle Bars
Rudder on Boats and Planes

7. Guidance: Definition: Provides assistance in staying on course.
Examples:
Compass
Headlights
Turn Signals
GPS
Maps

8. Propulsion: Definition: Provides Movement for the System Examples:
Propeller
Back Wheel of Bike
Transmission
Gears
Jet Engine

9. Support:
Definition: Items that aid the system but are not directly a part of it.
Examples
Roads
Street Lights
Traffic Signs
Service Stations
Road Crews