Sunday, January 27, 2008

Robocats 3: The Road to State

Technical

Rather than having the robot run all over the table attempting to accomplish the missions, our team used wind-up motors to push various objects into place. Through six wind-ups, we have developed solutions to seven of the missions. These contraptions, together with our robot, make it possible for us to attempt more missions within the allotted time. For missions too complex for a wind-up, we designed specialized attachments for our robot. These designs are unique to our team and are created to efficiently and effectively accomplish a specific mission. Once we had developed an attachment, we would modify it in order to connect it to our robot. Our next step would be to write, through trial and error, a program that incorporated the attachment and allowed it to solve part of the challenge. Overall, this combination of wind-up motors and unique attachments has led to our team's successful accomplishment of many missions. We just need to practice to maintain the consistency of our success.


Research

Our team first collaborated to choose which building to analyze and then learned all we could about the Junior High’s energy efficiency opportunities. We learned that, although the Junior High, being a modern structure, was designed to be efficient, it could benefit from use of an alternative power source. After much research and analysis, we determined that using solar power, in conjunction with other energy saving techniques, would be the best option for the building itself. Through our environmentally-themed Christian Emphasis Week, we plan to ask for student donations to purchase solar panels, as this can be an immense initial expense. We then decided to move beyond our original goal of making just the Junior High more efficient to lessening the environmental impact of the entire Westminster campus. Our team learned that the cafeteria’s waste vegetable oil could be used to run the sports transportation buses. After talking to students, the school has decided to set up a vegetable oil processing facility at the Physical Plant, the campus building dealing with energy use. The planting of deciduous trees around campus is also being considered. Because of our environmental concerns, Robocats 3 decided to expand our research to cover not only the Junior High, but also the entire Westminster campus.

Teamwork

Our team found out early on in the year that two members of our team, Hailey Brown and Lilly Chin, would not be able to attend the qualifier and therefore no longer desired to be a part of the team. Hailey had been instrumental in the original design of the robot and was the only one who knew how to repair it. Lilly was in charge of research and, at the time that her conflict was realized, was the only one who truly understood the entire project. Anna Lee and Blake, whose only expertise at the time was in programming, had to work incredibly hard to learn the design of the robot and the details of the project, and, even though they were initially reluctant to do so, they persevered. Although both were educated in each area, Blake chose to specialize in research while Anna Lee continued to focus on the robot. Both now feel that, despite this obstacle, they are now a stronger and better team due to their increased knowledge of all aspects of the challenge. Thanks to their effort and continuing passion for robotics, Robocats 3, despite early setbacks, managed to beat the odds and make it to State.

2 comments:

Blake said...

Technical Notes:
-use inertia triggered hammer to capture uranium, corn, and truck
-use detachable hammer on a pullback to get oil barrels off platform
-robot will run up under back of this pullback, raise the forklift, and tow it back to base
-drive robot in ark and tap coal trigger with one fork of the forklift
-pullback pushing box plants two trees, delivers a wind turbine, and triggers the satellite
-another pullback delivers the second wind turbine to a different community
-robot pushes dam into place
-pullback is pushed by robot to deliver hydrogen car, place the solar panel with a hammer, and fling the wave turbine over the house
-robot pushes power lines, coal, two trees, and green uranium to power plant with aid of a box
-power lines run across three communities

Anna Lee said...

More technical notes:

-used hammer for uranium,corn and truck because the programming is very simple (forwards and then back) and the hammer has a large margin for error.
- previous truck attachment was very long, so there was trouble fitting it in base, and it was very hard to aim. The hammer is much easier.
- for the oil retrieval, the hammer could not be used because the contraption had a pullback motor, and you cannot pull it back. Therefore, we had to find someway to lift up the pullback motor and pull the contraption back.
-after qualifiers, the length of the forklifts was shortened.
-also, when we built new attachments to the forklifts, we built them a little smaller so they would fit in base better.
-the treads were originally taken off because with the weight of the robot, the treads folded under the robot whenever it tried to turn.
-treads were put back on because the robot was very inconsistent, and with the new missions, it did not need to turn.
- the back treads were taken off because it allowed to robot to turn, and it was easier for the hammer missions to have the robot leaning backwards instead of forwards.