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Wireless-Controlled Modular Robot for Land-Based Tasks

Explore the Vehicle Systems Technology Track with a 10 kg payload modular robot controlled wirelessly using COTS components like Crossbow TelosBMote and MICAz module. Utilizing IEEE 802.15.4 compliant technology and Freescale CSM12D Microcontroller for successful motor control. The project cost around $2500. To enhance, add a display for out-of-range indication, feedback functionality, and PID control for speed and position maintenance during manual and autonomous operations.

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Wireless-Controlled Modular Robot for Land-Based Tasks

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  1. Historical Project – P08201 • Vehicle Systems Technology Track, 10 Kg Payload Modular Robot • Goal: Construct a land-based robotic platform. • In this project, the platform was wirelessly controlled. • Used COTS components • Crossbow TelosBMote • IEEE 802.15.4 compliant, 250 kbps data transfer rate, 30 m range • USB port for programming and/or communication • Crossbow MICAz module • 2.4 Ghz Transceiver • IEEE 802.15.4 compliant, 250 kbps data transfer rate, 30 m range • USB port for programming and/or communication • Freescale CSM12D Microcontroller • Six PWM channels, Two for drive motors, Four for steering motors • Twelve digital inputs • Eight encoders • Java and nesC • Total project costs: ~$2500 • Wireless components rather inexpensive

  2. Results • Successes • Wireless vehicle control • Successful wireless control • Each motor module could be controlled individually • Long battery life • Ways to Improve • Display when robot is out of range • Add functionality to obtain feedback from robot • Add PID control to maintain speed during manual operation • Add PID control to maintain position used under autonomous navigation

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