1. 10/7/04AME 470 – Team Unum Team Unum PDR #5 – 10/7/04 Flow Control and Pressure Sensing System

2. 10/7/04AME 470 – Team Unum Control and Sensing Components Flow Control: Achieved with Solenoid Pressure Sensing: Achieved with Pressure Transducer

3. 10/7/04AME 470 – Team Unum Flow Control- The Solenoid Two-Way Three-Way –Normally Open –Normally Closed –Universal Four-Way

4. 10/7/04AME 470 – Team Unum Flow Control- The Solenoid ASCO Valve Model P/N 8320G184 24 Volts DC 0-115 psi Flow Coefficient: 0.35 Time to inflate a basketball: 3.56 sec Price: $89

5. 10/7/04AME 470 – Team Unum Pressure Sensing- The Transducer “Home-made” Pressure Sensor from strain gauges and deformable material Traditional Pressure Transducer Flow-through Pressure Transducer

6. 10/7/04AME 470 – Team Unum Pressure Sensing- The Transducer Motorola MPX5700GP-ND From Digi-Key Corporation Req’d Voltage: 5 V Accuracy: 0.5% Pressure Range: 0- 101.5 psi Weight: <7 Oz. Price: $18.19

7. 10/7/04AME 470 – Team Unum Pressure Sensing- The Transducer Concept of configuration:

8. 10/7/04AME 470 – Team Unum Upcoming Activities Finalize Component Decisions and place orders PDR #5: Electronics and Electronic Connections Thursday, October 14 Questions?