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Wandering Ambassador

Wandering Ambassador

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Wandering Ambassador

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  1. Justin Akerman (CE) Chris Hoerbelt (ME) HershAnand (EE) Anthony Poli (ME) Greg Mucks (ME) Jon Notaro (EE) Eric Tripp (EE) Customer: Stan Rickel Wandering Ambassador

  2. Project Description Mission • Integrate existing hardware with newly designed subsystems to deliver functional prototype ready for software development Key Objectives • Debug I2C communication interface • Design & integrate sensor circuitry • Design & Implement redundant safety features • Design simple transport mode • Incorporate ride vibration mitigation • Fabricate and assemble prototype • Modify electronics to address known issues

  3. Design Concept • Modularity • Fully modular bolted connection architecture • Enclosure • Transparent & water resistant electronics box • Safety • Chain guards • Emergency stop buttons • Bumper System • Sensor Suite • Sonar • Infrared • Bump • Photodiode • GPS • Accelerometer • Moisture sensor • Temperature • Motor Encoders • Transport • Collapsible handle • Drivetrain disengagement

  4. Design Concept: Electronics Architecture High Level Control / Decision Making Input / Command Interpretation Input / Output Devices

  5. Critical Risk Assessment • Risk: Difficulty producing I2C functionality • Hardware and software incompatibilities and flaws produced multiple roadblocks • Roadblocks pushed back electrical & test schedules • Learning curve for electronics system very steep • Mitigation: Investigated alternate beagleboard OS • Mitigation: Replaced I2C hardware to ensure proper configuration • Mitigations were unsuccessful for an extended period – required revising of project goals

  6. State of Project • Design meets all customer needs • Mechanical systems complete on schedule • Motors and water pump function as designed • Electronics 2-3 weeks behind schedule • Multiple issues encountered • Hardware issues • Software incompatibility • Cost: $500 under budget

  7. Future Direction • P11216 team has received customer and P11215 input on feature addition and optimization • Water based vandal deterrent system • Optimization of sonar placement and actuation • Design and implementation of personality software • Plant expansion system • LCD placement & function plan

  8. Questions