Date
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Objective
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Activities
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Comments/Photos
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6/13/13 |
Set up the display
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Assemble the display in NHS lobby. Meet with Pete Mundy from local cable access TV. Send pictures of the display to MIT for approval.
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6/5/13 |
Finalize display ideas
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Had Mark and Henry come in and help us with display and presentation ideas
Cut corners on "ice sheet" to prevent injury
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6/1/13 |
Make finishing touches and test the invention
Prepare for Natick Army Labs showcase
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Created the "ice sheet" for display at EurekaFest
Finalized ROV components
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5/1/13 |
Test system in Dug Pond Natick, MA |
The system was taken to the docks at Dug Pond in Natick, MA where extensive field testing was completed. Deficiencies of the system were noted for work to be completed before EurekaFest. Problems were noted with buoyancy, tether guidance and keeping the operator covered to avoid the sun from visually Team Blog Team Blog washing out the computer screen.
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4/25/13 |
Resume completion of land machine |
Took advice from comments received during showcase and made a checklist for next due date |
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4/24/13 |
Display invention to Massachusetts community
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Displayed invention
Drove land bot around the cafeteria to demonstrate capabilities
Interacted with other Massachusetts teams
Took team photo with MIT beaver
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4/10/13 |
Seal camera cases
Continue work on electronics on land machine
Decide on battery pack design
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Sealed camera case and let sit. Will case it after dries
Continued organizing and calibrating electronics for the land machine
Designed and built battery packs
Continued work on pulley system
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4/1/13 |
Create cable for ROV
Attach camera mount to land machine
Land machine buoyancy
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Made tether for ROV out of heat-shrink wrapping-- tested on boom and pulley system
Attached pivotable camera mount to land machine frame to achieve multiple perspectives
Tested foam for neutral buoyancy on both land and sea components
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3/24/13 |
Continue work on boom and pulley system
Organize electronics system
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Continued work on double-wheel pulley system
Consolidated electronics board into more compact box system
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3/18/13 |
Work on detachable boom system
Finalize tether system
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Continued work on land machine
Used shrink tubing to consolidate tethers
Used hockey stick/shaft clipping system to make boom detachable
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3/14/13 |
Finish conceptual pulley design |
Built out design from last meeting for pulley
Tested design with Cat-5 cables
Continued building frame of land machine
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3/11/13 |
Continue building land machine
Devise pulley system
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Continued work on the land machine
Altered pulley design by moving one spool to the base of the machine, increasing stability
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3/1/13 |
Continue land machine frame
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Cut and attached pieces for land machine frame
Finished frame for pulley system
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2/25/13 |
Continue work on land machine frame
Devise tether system
Decide on emergency flotation system
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Continued building land machine frame
Tested prototype tether and pulley system and began build
Used polystyrene foam for emergency flotation on land machine
Some students visited fire station to take measurements of the truck that would carry the machine
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2/23/13 |
Continue work on submersible machine
Work on control board for shore-to-vehicle connection
Work on land machine
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Continued building out land machine frame
Consolidated control with a 2CAN controller and a switch-- eliminated the need for a wired connection from the shore
Continued building submersible, attaching motors and revamping camera mount
Cut foam to send to Navy for testing
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2/21/13 |
Work on tether and pulley system
Continue land machine frame
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Continued building out land machine frame from the bottom up
Organized and began build on pulley and tether system
Had mentors visit and give input on project so far
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2/15/13 |
Finish land machine base design and begin build
Continue work with circuitry and motor systems
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Finished CAD design of base of land machine and built it out
Continued circuitry work
Worked on drive train design and concept
Edited winch system
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2/14/13 |
Continue CAD design for machine
Build land bot frame
Research and build out battery system
Research emergency flotation for land bot
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Continued build on land machine
Mounted motors on submersible
Prototyped spooling mechanism
Began build on battery mounts
Designed circuitry board to consolidate resources
Brought ROV Camera to functionality
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2/13/13 |
Develop motor mounts for the submersible
Begin building land machine frame
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Attached motors to submersible
Built out bottom of the land machine frame
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2/4/13 |
Work on pulley system and boom angle
Adjust battery system for ROV and decide placement of apparatus
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Modeled boom system with cables and a steel rod
Decided on a 45° angle for the boom with two contact points on the vehicle
Redesigned battery schematic and built out connection system
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1/31/13 |
Finalize submersible design
Continue taking apart snowblower for treads for land machine
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Continued disassembling snowblower
Mapped out accessories for submersible
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1/14/13 |
Research battery insulation |
Researched different thermal insulation techniques for the batteries
Tested different foam insulation boxes for battery insulation
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1/9/13 |
Find treads for the land machine
Build out a spherical frame for the ROV
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1/3/13 |
Research treads/wheels for land machine |
Researched specific treads and tread systems that may be applicable
Made a plan to sketch out all sides of the machine before we begin the build
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12/22/12 |
Research materials
Develop pulley system for land machine
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Designed boom-and-tackle pulley system and modeled it.
Delegated research jobs to each member and looked up specific components
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12/20/12 |
Develop design for deployment |
Built out a model of the boom deployment system with materials in the shop. Tested it out with the submersible frame |
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12/18/12 |
Organize jobs and subgroups for build
Research cameras
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Broke up into subgroups of jobs and research
looked deeper into cameras that can be used for the land vehicle.
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12/17/12 |
Visit Natick Army Labs for ideas about development and materials |
Visited fabrication lab at the Natick Army Labs Spoke to engineers about our ideas, possible designs, and what materials would be best for the build |
Photo Credit: Amy Castellano, NSRDEC
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12/14/12 |
Work on deployment ideas
Organize team roles for build
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Decided upon a deployment idea and began listing materials
Created a Gantt Chart for team roles
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12/10/12 |
Talk with mentors to receive input on progress so far and where we should go from here |
Visited the Natick Army Labs and spoke presented to engineers there.
Received feedback from engineers and took notes on possible ideas to consider moving forward
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12/6/12 |
Continue building submersible component
Decide on a design for the land machine
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Tested the current submersible vehicle in a tank of water
Broke into land machine subgroups and continued to debate the design for the land machine
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12/4/12 |
Conceptualize ROV arm and retrieval system |
-Discussed possible materials for the retrieval system
-Considered how heavy the counter weights would be/whether we should use regular rope or if we would need to use steel cable and weighed the pros and cons of both ideas.
-Finished up soldering the electronics of the motors on the ROV
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12/2/12 |
Find specific parts for machine
Continue building ROV
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Continued designing and building ROV
Mounted propellers and wiring on ROV
Researched battery and camera technologies for the device
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11/29/12 |
Continue planning for final design |
Made a list of the materials and finances required to this point
Planned out the design/brainstormed solutions to problems
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11/26/12 |
Use prototype to conceptualize materials and begin build |
Debated different materials for the land machine's frame.
Began using basic ROV parts to build the underwater component.
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11/20/12 |
Figure out necessary parts and financial status |
Made a spreadsheet of parts and prices for the final ROV. |
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11/19/12 |
Finish final prototype and test for maneuverability |
Finished building out the land prototype and deployment system. Attached ROV prototype and test drove for maneuverability. |
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11/15/12 |
-Finish Lego prototype for deployment
-Know how to program controller
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- Lego deployment system almost finished
- Controller in the process of being programed
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11/14/12 |
-Conceptualize deployment system
-Finalize land robot prototype
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-Researched winch systems to overcome previous design issues
- Developed land design, taking into account advice from mentors.
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11/8/12 |
-Continue prototyping land machine
-Explore programming device and control board interface
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-Broke into a small group to continue building out the prototype
-Discussed problems and solutions
-Broke into another group to explore the programming software and control board
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11/7/12 |
Develop a small prototype of the land machine |
- Used a LegoTM kit to begin building out a small prototype |
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11/5/12 |
-Continue to build out land machine
- Develop concepts for underwater vehicle in order to overcome obstacles
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Researched possible materials for land machine
Built out virtual model of device
Finalized plan for deployment ramp
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11/2/12 |
Construct our Land Bot mockup out of PVC pipe.
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1) Measured and cut pieces of PVC pipe
2) Constructed and put together frame
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11/1/12 |
Further reach decision on deployment.
Organization in content and groups.
Method of attachment to body.
|
1) Made document brainstorming ideas for the method of attachment to the body.
2) Researched claws for the above.
3) Researched the effectiveness of our deployment ideas.
4) Decided on boat launch deployment technique
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10/31/12 |
Get effectively organized. |
1) Made sure everyone has access to all of our information.
2) Organized the blog.
3) Summarized for deployment ideas.
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10/24/12 |
Determine a method of deployment for the ROV. |
Broke into subgroups to determine how each method would affect the submersible and land machine individually, and brainstormed solutions.
Notes:
Floatation device:
1) Air tight nylon bag filled with AB foam or helium
http://www.aristaflagstore.com/products.asp?cat=18 http://www.smooth-on.com/index.php?cPath=10_1122&osCsid=p1d9hubois8kiev8i9o5tf89f3#media
Claw:
1) Mini crane on the land vehicle
2) Clamp on the ROV that attaches on the land vehicle
3) Ramp with a winch on the land vehicle with a wire attached to the ROV
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10/22/12 |
Develop general concepts in more detail
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Discussed different problems the design could face and brainstormed possible solutions. |
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10/22/12 |
Break into subgroups and brainstorm different aspects of the machine |
Divided up and spent time in groups debating different aspects of the machine. Decided on several different paths to pursue. Delegated leadership roles within the groups. |
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10/19/12 |
Get more specific about components and figure out their weights and costs |
Looked up specific components, found and recorded their weights (for buoyancy later) as well as their prices |
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10/18/12
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Design a basic frame and theoretically position components
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Built a frame out of PVC pipes and attached sticky notes of each component
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