156B Week 5

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • Initial Proof of Concept component analyses done

    • Buoy Dynamics

    • Electronics Circuit

    • Pressure Housing

  • Further analysis to be done

  • The electronics housing unit needs to be designed

  • The electronics circuit design needs to be reviewed and evaluated

  • The buoy dynamics model was established; the simulation needs to be finished

Accomplishments from Previous Week

• • Unspooling test was done (Mike and Katherine)

  • Pressure housing waterproof test was performed (Alvin and Matthew)

  • Power analysis was performed (Mike)

  • Buoy dynamics model was established (Katherine)

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Proof of Concept Presentation (All)

  • Finish Buoy Dynamics Analysis (Mike and Katherine)

  • Design preliminary circuit schematic and review with Steve Roberts (Mike and Katherine)

  • Finish waterproofing the housing following initial trial (Alvin and Matthew)

  • Setup biofouling test (Alvin and Matthew)

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • N/A

Instructor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • Make sure power comsumption analysis is performed; make sure buoy dynamics are modeled (20-Apr-2015 in meeting)

  • Ensure that the rod which is installed into the seal gland has the proper surface finish; ask Tom Chalfant (20-Apr-2015 in meeting)

  • The rope should be spooled in an orderly manner and should be taut during the passive period (20-Apr-2015 in meeting)

Comments from Other Students in the Class (indicate date of comments and if via email or in person)

• • N/A

Risks and Areas of Concern

• • The waterproofing test showed concern in the installation of a rod in the Ikelite seal gland

  • The drawn current of the motor at stall torque may exceed that which the motor driver is rated for

  • The overall cost of material components could be higher than anticipated

Resources or Information Required but not Available

• • N/A

Schedule

• • (27-Apr-2015) Proof of Concept Presentation

Budget (list amount spent and amount remaining)

• • $522.28 spent

  • $477.72 remaining

Progress on Report and Webpage

• • (27-Apr-2015) Webpage updated