Week 8

Guidelines for Report

• • Weekly Progress Reports should be printed out before meetings with the sponsor and instructor.

  • All team members should be able to explain all items on the progress report.

  • To start a new progress report, create a new webpage and use the Progress Report Template.

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

• • Budget at UCSD is $500.00 ($279.15 already spent). Budget at SPAWAR is $5500 ($2916.03 Spent)

  • Track and drive shafts/wheels arrived. Track has been cut, but awaiting arrival of belt lacing to splice (Ryan)

  • Frame and chassis designs finalized and ready for fabrication. Main track plates already cut. Frame components to be cut Friday or this weekend. (Mike & Edrees)

  • Track Tensioner design finalized and approved by sponsor. Springs and hardware analysis complete. Parts have arrived. Half of parts already machined. The rest already programmed into mill and planned for Friday or weekend (Ryan)

  • Working on Controls and have all software and packages installed and ready to go for the week. Still in need of power cable for testing. (Edrees)

  • Segway power cable/hub adapters ordered, still awaiting arrival (Edrees & Mahin)

  • Drive train gear ratio, sprocket sizes, and chain size determined.  Parts have arrived. Awaiting hub adapters from Segway (Mahin)

  • Idler wheels purchased. Awaiting arrival, expected Friday. (Ryan)

  • Final design of custom drive shafts complete. Awaiting hex shaft to begin machining. Other parts have arrived (John)

  • All COTS parts ordered and arrived, but some items need to be re-ordered (All team members)

Accomplishments from Previous Week

• • Website Updated/Construction, esp. Final Design page  (Edrees, Ryan)

  • Had segway battery charged and begun communication with Segway Robot (Edrees)

  • Began fabrication of chassis (Mike)

  • Machined aluminum brackets and slotted bars for tensioner (Ryan)

  • Modified drive axle design via help from Isaiah and Tom (Mike)

  • Revised and updated project report (All team members)

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

• • More Website Updates/Construction (Edrees, Ryan)

  • Perform speed and torque tests on Segway robot. (Edrees)

  • Finish fabrication of chassis (Mike)

  • Machine main plates for track tensioner and assemble (Ryan)

  • Machine hub adapters and attach chain sprockets (Mahin)

  • Obtain new drive shafts and machine them (John)

  • Measure track length required and splice tracks together (Ryan)

  • Revise and update project report (All team members)

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments

• • Final design concepts look good and are ready for fabrication.

  • Time is running out, so missing parts need to be re-ordered immediately

  • Controlling the Segway should require only a wireless controller and a laptop attached to the top of the robot.

Instructor Comments from Last Meeting and Actions Taken to Address these Comments

• • Need to start cutting metal immediately to meet time constraints!

  • Parts being ordered late and not arriving is the main concern. Whether to machine ourselves or enlist outside machine help need to be considered quickly.

  • Project Report is poorly organized and formatted. Tables and charts need to be homogenized, and sections should be organized by topic with appropriate titles.

Risks and Areas of Concern

• • Machining will be the most time consuming aspect from now on. We would like to machine as many parts in the machine shop as possible because of time constraints, but it may become too busy.

  • We still do not know the exact power capabilities of the robot because of inability to test. If the data given to us by Segway is not correct, our gear ratio may be wrong.

  • Hexagonal drive shafts and some other parts were not ordered as we requested, so we will have to re-order immediately or find them elsewhere locally.

Resources or Information Required but not Available

• • N/A

Schedule

• • Update Gantt chart.

Budget (list amount spent and amount remaining)

• • $6000 provided

  • $2906.13 spent (Spawar Budget)

  • $279.15 spent (UCSD Budget)

  • $2815 remaining

Progress on Report and Webpage

• • Home and Reports pages reformatted and organized (Ed)

  • Added links to sponsor and updated Project Management page w/ video embedded (Ryan)

  • Added links to budget forms and order forms in Budget page. (Ryan)

  • Added team member info, link to sponsor, and acknowledgements to Team page (Ryan)

  • Added photos and CAD to Multimedia page (Ryan)

  • Added presentations and final report draft to Reports page (Ryan)

  • Added useful provider websites and previous similar senior project webpages to Resources page (Ryan)

  • Report first draft complete. Reorganization, reformatting, and constant updating still needed.