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Open web adventures in autonomous sailing
- 2. www.openweb.nl “We can be the first to complete the microtransat challenge” We only need to develop our own autonomous sailboat
- 5. www.openweb.nl Previous attempts by others 2012: 12.5km 2013: 28km 2014: 62km, 185km 2015: 853km 2016: 84km 2017: - 2019: 790km 55
- 9. www.openweb.nl SeaLeon found in Ireland 9 ▰ No communication after 76 days ▰ 4 months lost at sea ▰ Within 100 nm of destination 9
- 24. www.openweb.nl The first meeting ▰ Use a Raspberry Pi with Grove shield ▰ Use Python since we are all Java developers ▰ Use TensorFlow ▰ Use a second hand RC boat to quickly get sailing 2424
- 25. www.openweb.nl The first meeting - Reality 2525
- 27. www.openweb.nl The hardware ▰ Servos to steer and control the sails ▰ Sensors ▰ Raspberry PI (Brain) ▰ Lights and communication 2727
- 28. www.openweb.nl The hardware - Sensors ▰ Compass ▰ GPS ▰ Gyroscope ▰ Angles (Rudder, Sail, Wind) ▰ Windsensor 2828
- 29. www.openweb.nl The hardware - GPS 2929 ▰ Serial interface ▰ SIM28 ▰ Baud Rate (9600 - 115200)
- 30. www.openweb.nl The hardware - Compass 3030 By Yannay Levi ▰ I2C interface ▰ LSM303 ▰ 3 Axis Gyroscope
- 31. www.openweb.nl The hardware - Accelerometer 3131 By Sorenworks ▰ I2C interface ▰ LSM6DS3 ▰ 3 Axis Gyroscope
- 32. www.openweb.nl The hardware - Boom and rudder angles 3232
- 33. www.openweb.nl The hardware - Windsensor 3333 ▰ ULTRASONIC Portable anemometer ▰ Bluetooth (Low Energy) ▰ Own Battery and power source ▰ Ultrasonic transducers ▰ Thermometer, Gyroscope, Accelerometer ▰ Developers manual available
- 34. www.openweb.nl The hardware - Windsensor 3434 ▰ Random ▰ Service ▰ Characteristics
- 35. www.openweb.nl The hardware - PWM / Servo Driver ▰ I2C interface ▰ PCA9685 ▰ External power supply ▰ 16-Channel 12-bit 3535
- 36. www.openweb.nl The hardware - PWM / Servo Driver ▰ Libraries and examples ▻ Adafruit_Python_PCA9685 ▻ Adafruit-PWM-Servo-Driver-Library ▻ Adafruit_CircuitPython_PCA9685 3636
- 37. www.openweb.nl The hardware - Model ▰ Visualize it 3737
- 44. www.openweb.nl Software architecture 4444 Data service BEAM ANGLE Navigation Helm Winch controller Rudder controller
- 50. www.openweb.nl Experiences ▰ Sensors work well ▰ Battery pack lasts very long ▰ Use more sunscreen! 5050
- 56. www.openweb.nl 56 Crossing the Atlantic - Obstacle avoidance 56
- 57. www.openweb.nl Crossing the Atlantic - Obstacle avoidance 5757
- 58. www.openweb.nl Crossing the Atlantic - Obstacle avoidance 5858
- 59. www.openweb.nl Crossing the Atlantic - Obstacle avoidance 5959
- 60. www.openweb.nl Crossing the Atlantic - Obstacle avoidance ▰ Buoy, not a vessel ▰ Low probability of collision 6060
- 61. www.openweb.nl Crossing the Atlantic - Recap ▰ Design for rough conditions ▰ Save on energy consumption when possible ▰ No active obstacle avoidance ▰ Our boat is just a buoy 6161
- 63. www.openweb.nl Where are we heading? 63
- 64. www.openweb.nl “ 6464 @OpenWebNL Join us at: openweb-nl During a drink linkedin.com/company/open-web-it-services/ linkedin.com/in/mxdrenthe/