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ERR Robot By WRC (Windsor Richard and Catherine)

ERR Robot By WRC (Windsor Richard and Catherine). Objectives. To build a robot to follow a path, and stop at the end. To use the same robot to push cans of different sizes to each side, and complete the course.

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ERR Robot By WRC (Windsor Richard and Catherine)

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  1. ERR RobotBy WRC(Windsor Richard and Catherine)

  2. Objectives • To build a robot to follow a path, and stop at the end. • To use the same robot to push cans of different sizes to each side, and complete the course. • To push out the opponents can, whilst avoiding yours being pushed out by the opposing robot. Constraints • Time • Sensors • Motors • Lego Software

  3. Mechanics Design • How touch sensors worked with the cans • How the light sensor detects the tape • The caterpillar tracks • The front arms Building • Base and tracks • RCX • Arms • Sensors

  4. Mechanical Problems • Wheel strength inadequate: Changed to tracks • Difficulty placing light sensor: Created gap in base • Various gearing problems: Used Pritt Stick! • Sensor insensitivity: Used Blu-Tac • Rigidity: Build stronger body/base • Inability to turn tall can: No answer found, worked in programming • Having to remove sensors to reprogram: Angled tower better • Can not reaching sensors: Piping

  5. Programming • Variables • Getting to move • Detecting cans/tape • Telling difference between cans • Act on different cans • Act on tape • Debugging • Alternating path • Finishing

  6. Programming Problems • Lego Software: Just dealt with it! • Unsure about numbers: Test • Working without model: Waited • Finish not working: Delay • Touch sensors/variables • Turning too far/out: Delays and tests • Random crashing/turning etc: No known reason-never fixed

  7. Summary Disadvantages • TIME! • Sensor slots • Unknown course/can layout • Single light sensor- Alternating path Improvements • More sensors • Used 2nd RCX • Mathematical algorithms for turning/measuring etc

  8. Robot Images

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