robot control systems
DESCRIPTION
Robot Control Systems. TED 384 Computer Applications in Industry (Robotics Education). RCX. 16-bit processor One Piezoelectric speaker produces 6 distinct tones and can ‘carry a tune’ Sends messages back and forth using IR communication Computer RCX to RCX. - PowerPoint PPT PresentationTRANSCRIPT
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February 19, 2007 Created by Dr. T.E. Varnado
Robot Control Systems
TED 384
Computer Applications in Industry (Robotics Education)
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February 19, 2007 Created by Dr. T.E. Varnado
RCX
• 16-bit processor• One Piezoelectric
speaker produces 6 distinct tones and can ‘carry a tune’
• Sends messages back and forth using IR communication– Computer– RCX to RCX
http://everyschool.org/u/westlake/robby/6thGrade/TechofLegos/RCX3.gif
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February 19, 2007 Created by Dr. T.E. Varnado
NXT
• 32-bit processor, 64K RAM, 256K flash memory• LCD screen and piezo speakers• 4 input ports, 3 output ports, wired USB 2.0
connection
http://davidbau.com/images/photo/nxtcloseup.jpg
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February 19, 2007 Created by Dr. T.E. Varnado
NXT
• Bluetooth enabled
• Supports servos, meaning faster, stronger, and more precise motion (sensitive to 1° of 360°)
http://photos1.blogger.com/blogger/7893/2789/1600/howitworks.gif
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February 19, 2007 Created by Dr. T.E. Varnado
VEX
• VEX controller directly manages sensor and motor devices
https://jvex-robotics.dev.java.net/VEXController.html
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February 19, 2007 Created by Dr. T.E. Varnado
VEX
• Two Microchip PIC 18F8520 microprocessors
• 10 MIPS• 1800 bytes + 1024
bytes EE2• 32 K RAM• SPI serial link, Ports
RS232 and TTLhttp://ww1.microchip.com/downloads/en/devicedoc/39609b.pdf
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February 19, 2007 Created by Dr. T.E. Varnado
VEX
• Master processor manages signals from the RC receiver and generates PWM (Pulse Width Modulation) for motor and servo control
• User processor for software development
http://en.wikipedia.org/wiki/Pulse-width_modulation
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February 19, 2007 Created by Dr. T.E. Varnado
VEX
• Six Interrupt Inputs
• 16 max Digital I/O, 50 kHz
• 16 max Analog Inputs, 10 µSec
http://utkudiril.com/serendipity/uploads/project3_2.JPG