Activity Tracking

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Saved by Katelyn Sweeney
on April 9, 2013 at 10:45:17 am

Date	Objective	Activities	Comments/Photos
4/1/13	Create cable for ROV Attach camera mount to land machine Land machine buoyancy	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
3/24/13	Continue work on boom and pulley system Organize electronics system	Continued work on double-wheel pulley system Consolidated electronics board into more compact box system
3/18/13	Work on detachable boom system Finalize tether system	Continued work on land machine Used shrink tubing to consolidate tethers Used hockey stick/shaft clipping system to make boom detachable
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
3/11/13	Continue building land machine Devise pulley system	Continued work on the land machine Altered pulley design by moving one spool to the base of the machine, increasing stability
3/1/13	Continue land machine frame	Cut and attached pieces for land machine frame Finished frame for pulley system
2/25/13	Continue work on land machine frame Devise tether system Decide on emergency flotation system	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
2/23/13	Continue work on submersible machine Work on control board for shore-to-vehicle connection Work on land machine	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
2/21/13	Work on tether and pulley system Continue land machine frame	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
2/15/13	Finish land machine base design and begin build Continue work with circuitry and motor systems	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
2/14/13	Continue CAD design for machine Build land bot frame Research and build out battery system Research emergency flotation for land bot	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
2/13/13	Develop motor mounts for the submersible Begin building land machine frame	Attached motors to submersible Built out bottom of the land machine frame
2/4/13	Work on pulley system and boom angle Adjust battery system for ROV and decide placement of apparatus	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
1/31/13	Finalize submersible design Continue taking apart snowblower for treads for land machine	Continued disassembling snowblower Mapped out accessories for submersible
1/14/13	Research battery insulation	Researched different thermal insulation techniques for the batteries Tested different foam insulation boxes for battery insulation
1/9/13	Find treads for the land machine Build out a spherical frame for the ROV
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
12/22/12	Research materials Develop pulley system for land machine	Designed boom-and-tackle pulley system and modeled it. Delegated research jobs to each member and looked up specific components
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
12/18/12	Organize jobs and subgroups for build Research cameras	Broke up into subgroups of jobs and research looked deeper into cameras that can be used for the land vehicle.
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
12/14/12	Work on deployment ideas Organize team roles for build	Decided upon a deployment idea and began listing materials Created a Gantt Chart for team roles
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
12/6/12	Continue building submersible component Decide on a design for the land machine	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
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
12/2/12	Find specific parts for machine Continue building ROV	Continued designing and building ROV Mounted propellers and wiring on ROV Researched battery and camera technologies for the device
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
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.
11/20/12	Figure out necessary parts and financial status	Made a spreadsheet of parts and prices for the final ROV.
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.
11/15/12	-Finish Lego prototype for deployment -Know how to program controller	- Lego deployment system almost finished - Controller in the process of being programed
11/14/12	-Conceptualize deployment system -Finalize land robot prototype	-Researched winch systems to overcome previous design issues - Developed land design, taking into account advice from mentors.
11/8/12	-Continue prototyping land machine -Explore programming device and control board interface	-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
11/7/12	Develop a small prototype of the land machine	- Used a Lego^TM kit to begin building out a small prototype
11/5/12	-Continue to build out land machine - Develop concepts for underwater vehicle in order to overcome obstacles	Researched possible materials for land machine Built out virtual model of device Finalized plan for deployment ramp
11/2/12	Construct our Land Bot mockup out of PVC pipe.	1) Measured and cut pieces of PVC pipe 2) Constructed and put together frame
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
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.
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
10/22/12	Develop general concepts in more detail	Discussed different problems the design could face and brainstormed possible solutions.
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.
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
10/18/12	Design a basic frame and theoretically position components	Built a frame out of PVC pipes and attached sticky notes of each component