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Aqua Tech

Aqua Tech. Bed Turnover Monitor Preliminary Design Review. Experimentation with Filter Model. Successes. Failures. Corkscrew It took ~5-8 minutes for the device to do a ¼ turn Auger - Plastic It took ~7-9 minutes for the device to do a ¼ turn PVC

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Aqua Tech

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  1. Aqua Tech Bed Turnover Monitor Preliminary Design Review

  2. Experimentation with Filter Model Successes Failures • Corkscrew • It took ~5-8 minutes for the device to do a ¼ turn • Auger - Plastic • It took ~7-9 minutes for the device to do a ¼ turn • PVC • It took ~5 minutes for the device to travel 3 inches • Auger - Metal • Paddlewheel • Spiral staircase

  3. Lessons Learned • The device must be light weight (<3 lbs). • The device must be small in length (<12 in). • If rotational, it must be about the vertical axis. • The device cannot contain any moving parts that are not designed to be impervious to sand penetration.

  4. Specifications

  5. Morphological Chart

  6. Design Shape Options

  7. Corkscrew • Advantages: • Light weight • Inexpensive • Manufacturing consistency • Mounting options • Promising results

  8. Auger • Advantages: • Light weight • Mounting options • Inexpensive • Disadvantages: • Manufacturing shape inconsistent

  9. Linear Motion “Realer Upper” • Advantages: • Accuracy • Disadvantages: • Cost • Weight • Additional power • Sand can get in motor • Complex design

  10. Mounting Options

  11. Caster • Used with rotational device • Built in potentiometer • Advantages: • Mounted on top support rails • Easy to replace • Disadvantage: • Does not provide side to side stability

  12. Double Bearing Design • 2 sealed bearings mounted to the central airlift • Advantages: • More stability from side motion • Allows for free rotation • Disadvantages: • Difficult replacement

  13. Linear Motion Mounting • Motor is mounted on the top rail(s) • Advantages: • Easy to replace • Disadvantages: • May interfere with cover on filter • Would need to place 4 devices on top rails (weight concern)

  14. Data Acquisition (DAQ) Ideas

  15. Transducer • Potentiometer • Digital Optical Encoder • Linear Position Sensor

  16. PLC/Microcontroller • Advantages: • Price • Size • Disadvantages: • Harder to troubleshoot • Software

  17. DAQ Cube • Advantages: • Easy to troubleshoot • Moderate price range • Size • Disadvantages: • Additional software

  18. Digital Optical Encoder • Advantages: • User Friendly • Moderate cost • Software Included

  19. Software • Software Options • Matlab • Labview • Encoder Software • Microcontroller Software

  20. Integrated Solution

  21. Costs

  22. Questions?

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