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Project WindBot

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gizela
24 diapositives · 416 Views · Jul 26, 2014

This project proposes the design of an autonomous robot, WindBot, aimed at collecting critical wind data to optimize wind turbine placement. By navigating predetermined paths, the robot will measure wind velocity and direction, returning to its starting point to display optimal turbine locations. Incorporating advanced sensors such as accelerometers, compasses, and encoders, the WindBot operates with minimal supervision, offering a cost-effective and precise solution compared to traditional methods. The project also discusses mechanical and electrical components, programming strategies, and potential improvements for future iterations.

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Project WindBot
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  1. Mechatronics Design Project 2008 ProjectWindBot Mikhail Bruk Anton Talalayev MomchilDimchev Mechatronics Design Project 2008

  2. Wind Power • Wind Turbine Sites • Satellite data inaccurate • Human testing impractical • Cost efficient method for data acquisition • Little supervision required • Better precision • Reliable data Mechatronics Design Project 2008

  3. Project Proposal • Design an autonomous robot • Navigate through a predetermined path • Collect wind velocity measurements • Obtain wind direction • Return to starting point • Display optimal locations for a wind turbine Mechatronics Design Project 2008

  4. Initial Design • Features: • Propeller & Vanes • Direction Sensor • Tachometer • Wheel Encoder • Accelerometer or Compass • LCD Display Mechatronics Design Project 2008

  5. Mechanical Components • Aerovane • Propeller and vanes • Materials • Sensor casings Mechatronics Design Project 2008

  6. Electrical Components • Actuators • Two continuous servo motors • Controlled via 555 Timer Mechatronics Design Project 2008

  7. Electrical Components • Analog Sensor • RCTime circuit • Photoresistor and LED pair Mechatronics Design Project 2008

  8. Electrical Components • Digital Sensor • Rotational Encoder • IR LED and Receiver pair Mechatronics Design Project 2008

  9. Electrical Components • Digital Sensor • Wheel Encoders Mechatronics Design Project 2008

  10. Project Analysis • Priority: • Wind Measurement • Precise navigation • Versatility Testing: • Variable conditions • Repetitive data Mechatronics Design Project 2008

  11. Project Analysis Design Approach Mechatronics Design Project 2008

  12. Project Analysis Mechatronics Design Project 2008

  13. Programming and Testing • Calibration Programs • Wheel alignment • Speed adjustment • Velocity calibration • Encoder adjustment • Main Routine • Follow the grid • Record and save data • Retrieve data Mechatronics Design Project 2008

  14. Programming and Testing • Subroutine approach • Easy modification • Reused variables • Fail-safe encoders Mechatronics Design Project 2008

  15. Velocity Calibration VIDEO Mechatronics Design Project 2008

  16. Data from Velocity Calibration • Plot velocity vs. Tachometer Value • Obtain a conversion factor Mechatronics Design Project 2008

  17. Cost • Boe-Bot Robot $ 159.95 • 555 Timer IC (2) $ 2.95 • Power Supply: (4 AA’s) $ 2.99 • Breadboard (1) $ 7.99 • LCD Terminal $ 29.95 • Hitachi HM55B Compass Module (1) $ 29.95 • Balsa Wood (1/8” x 6” x 36”) (1) $ 3.95 • Tube Fitting (1)$ 2.95 • Aluminum Rod (1/16” x 12” x ¼”) (1) $ 2.36 • Stainless Steel Propeller (1) $ 10.95 • Miscellaneous$ 12.00 Total: $ 253.99 Mechatronics Design Project 2008

  18. Major Challenges • Follow the preset trajectory • Sensor reliability • Program – sensor connection • Relative Angle Measurement • Basic Stamp limitations: • RAM and EEPROM Mechatronics Design Project 2008

  19. Major Challenges Memory Map Mechatronics Design Project 2008

  20. Full Demo VIDEO Mechatronics Design Project 2008

  21. Demo Data Mechatronics Design Project 2008

  22. Prototype Suggestions • GPS navigation • Meteorological equipment • Obstacle Avoidance Program • Video camera (human operator) • Larger Memory Mechatronics Design Project 2008

  23. Conclusion • Systematic testing approach • Acquire more memory • Increase project cost for better accuracy Mechatronics Design Project 2008

  24. Acknowledgements • The Italians • Prof. Sean Peterson Thank you! Mechatronics Design Project 2008