Path Finder

MAE 576Group F

Amit KumarCarlos LolletGarth Mathe

Sameer PatwardhanUma Shankar Sharma

Sensors and Communication

• Ultrasound Sensor--Detects Distance to an

Obstruction

• 2 Way RF Communication--Allows Robot

and Base Station to Effectively

Communicate with Each Other

Path Design

• Multiple Angles

• Rough Walls for Ultrasonic Sensor

• Cost Effective

• Quick Setup and Tear Down

Flowchart Robot Base Station

No

Yes

Robot Moves Forward

Check forObstruction

Robot Stops

Turn

Calculate Maximum(Optimum) Direction

in Which to Turn

Robot Tells Base StationThere is an Obsruction

Base Station Tells Robotto Scan

Wait for Robot Signal

Robot Scans inMultiple Directions

Wait for Robot Signal

Send Turn DirectionTo Base Station

Turn DirectionAcknowledged,

Now TurnWait for BaseStation Signal

Modes of Operation

• Automatic--Robot Moves Through Path

Itself

• Manual--User Controlled Through 16

Button Keypad at Base Station

Real World Applications

• Surveying Mine Shafts

• Finding People Lost in Caves

• Exploring Places too Small for People

• Exploring Toxic Environments

• Finding Obstructions in Pipe Lines