156B Week 7

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

• • Pressure housing in process of rebuild

  • Electronics prototype circuit in process of being built

  • Software design will be worked on this week

  • Circuit board design will be worked on this week

  • Buoy modifications will be made this week

  • Underwater release test planned for this week

Accomplishments from Previous Week

• • Electronics components prepared for assembly

  • Pressure vessel tested in machine shop pressure chamber

  • Electronics prototype insert designed

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

• • Assemble and test prototype circuit (Mike and Katherine)

    • Design first version of code (Katherine)

    • Begin first design of PCB (Mike)

  • Rebuild pressure housing and confirm waterproof (Alvin and Matthew)

  • Test electronics with pressure housing (All)

  • Revise Report (All)

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

• • Recommended silicon grease to prevent leaking from occurring in pressure housing (During Meeting)

  • Recommended designing a UI for deploying units (MATLAB, Excel, etc.) (During Meeting)

  • Recommended looking into the feasibility of attaching an LED onto the buoy for nighttime retrieval (During Meeting)

  • Recommended evaluating the effect of drift based on the buoy calculations and the selected line length (During Meeting)

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

• • Injection molding might be used for mass production of electronics inserts (During Meeting)

  • Report needs to have consistent formatting and past tense usage (During 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

• • Ensuring that the pressure vessel is reliably waterproof before testing with electronics

Resources or Information Required but not Available

• • N/A

Schedule

• • Meeting with Instructor (11-May-2015)

  • Meeting with Sponsor (15-May-2015)

Budget (list amount spent and amount remaining)

• • $605 spent

  • $395 remaining

Progress on Report and Webpage

• • Report has been reviewed with Instructor/TA comments

    • Report will be revised this week