built by Alexander Wiedekind-Klein

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Target Environment Locomotion Method
Indoors 3 Wheels
Sensors / Input Devices Actuators / Output Devices
2 ultrasonic sensors
bumper switches
2 DC gearmotors
2 R/C servos
Control Method Power Source
Autonomous Battery
CPU Type Operating System
80C535 None
Programming Lanuage Weight
C 2Kg
Time to build Cost to build
URL for more information
In my spare time I've constrocted a small mobile robot named COMOBOT. His name stands for COmpact MObile roBOT. I have robot constructed him to get experiences with designing and programming autonomus and tele- operated robots. He could be used as an universal platform for AI-experiments. All electronic circuits, software and mechanical parts are designed by myself to keep the costs low. COMOBOT has got three wheels. The two bigger wheels are driven by two independent gearmotors with incremental sensors. This gives COMOBOT the ability to turn around himself and this makes navigation much more easier. The most important sensors of the robot are two ultrasonic distance sensors. The two sensors are mounted on two RC-servos. On this way the robot is able to scan his area. This information is used for navigation and collosion avoiding. The robot could be controlled by a PC via a serial RS485 interface. This allows the usage of an powerful computer and a comfortable development of the steering software. Equipped with a wireless serial link he could be fully autonomus. It is also possible to control the robot by another on-board computer like an 386EX.

Next I want to spend COMOBOT some more sensors (light and temperature) an a wireless serial link. If the software works fine and is not too complex I will replace the external PC by another on board computer like an 8051 or if necessary a more powerfoll one (386EX, 80C166). After that I'll build annother bigger Robot whith an build in PC (I'm already collecting parts for this robot).

At the moment this work is a very nice hobby, but maybe some day I've got the posibiliy to make my profession ot of it....

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