156B Week 2

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

• • Finalized proposed electrical design

  • Printed full size prototype linkage

  • Completed initial tentacle CAD design

Accomplishments from Previous Week

• • Completed individual component analysis

  • Materials selection and waterproofing (Trevor)

    • Analysis of drag, buoyancy and pressure in regards to tentacles (Michael)

    • Heat transfer and power consumption (Ciara)

    • Actuator/Linkage analysis & prototyping (Damian)

  • Created Design Proposal Presentation (All)

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

• • Check schematic with Steve Roberts (Ciara)

  • Order main components (Damian)

  • Finalize actuation waterproofing method (Trevor)

  • Complete tentacle prototype (Michael)

  • Start housing CAD design (Ciara & Damian)

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

• • Same as last week

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

• • Examine heat issues with shape memory alloy (3/30/16)

    • Re-examined Miga Motor datasheet

  • Explore electromagnetic coupling (3/30/16)

    • Continued research on additional designs

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

• • More pictures less text for slides in presentations (risk reduction comments - 3/15)

  • Concerns about steering capabilities (risk reduction comments -3/15)

• Not enough prototypes made (risk reduction comments - 3/15)

Risks and Areas of Concern

• • Designing propulsion mechanism test

  • Diving technique/abilities

Resources or Information Required but not Available

• • None

Schedule

• • Upcoming milestones:

    • Electrical Schematic - 4/6/16

      • Initial design already completed

      • Review with Steve Roberts 

    • Tentacle Design Decision - 4/9/2016

      • Covered bell vs individual tentacles

      • One way flow method

    • Actuation Waterproofing Method - 4/10/2016

      • Flexible housing

      • Electromagnetic coupling

    • Housing Layout - 4/24/2016

      • Mounting locations 

      • Steering mechanism

Budget (list amount spent and amount remaining)

• • $179.08 spent

  • $2320.92 remaining

  • ~$250 more planned to be spent 

Progress on Report and Webpage

• • Uploaded individual component analysis

  • Uploaded CAD files