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Firefighting RobotInformation and Data was submitted to Parallax by Ken Boone:
"KensRobot 2001" placed third at the 2001 International Fire Fighting Contest (www.trincoll.edu/events/robot). In this contest the robot is placed in a simulated four-room house. When the robot hears the sound of a fire alarm it starts searching the house for the fire (a candle) and extinguishes it. After extinguishing the candle, the robot returns to where it originally started. The robot has to operate on its own without any outside assistance.
 The firefighting robot uses one BASIC Stamp® 2 module and three BASIC Stamp 2sx microcontrollers. Three of the BASIC Stamp microcontrollers are networked together and one BASIC Stamp module operates the three high-speed homebrew infrared range sensors. The networked locomotion, navigation, and sensor Stamps communicate with each other over a 5 bit parallel buss and one handshake line. The locomotion Stamp uses the range information form the IR computer and accepts commands such as "Follow_Right_Wall" or "Forward_to_Wall" from the navigation BASIC Stamp. The sensor Stamp performs the signal conditioning for the Hamamatsu Corp. UVtron room flame detector. It also measures the frequency of the sound sensor circuit to identify a fire alarm sound and it operates a Precision Navigation Inc. Vector 2X digital compass. The sensor Stamp accepts commands like "Turn_North" or "Turned_South". The navigation Stamp is the master. It sends commands to the locomotion and sensor Stamps and it monitors the homebrew candle light detector, two Sharp GP2D05 IR detectors (used to detect the candleholder) and a floor line sensor circuit. The navigation BASIC Stamp microcontroller also controls the fan used to extinguish the fire. The locomotion, navigation and sensor Stamps all have one pin connected to a Scott Edwards Electronics, Inc. Mini SSC II serial servo controller. The servo controller accepts serial commands from the three BASIC Stamp modules to control the two Hitec RCD Inc. RC servos used to drive the wheels.
"KensRobot 2001" was built by Ken Boone. He has been building computer controlled robots since the mid. 1970's. You can find out more about his robots at http://www.kensrobots.com |
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