Momentum - The Magazine for Virginia Tech Mechanical Engineering Vol. 4 No. 2 Summer 2019 | Page 17

17 agbot 2 that operates at 1,000 rpm. agbot 3 “The tubes on the centrifuge are pre-loaded with a sugar solution that will separate the soil particle from micro-organisms,” Guo said. “Then the robot arm collects a pipette and takes the top layer from the tube in the centrifuge and puts it in a storage unit where the sugar is washed off, and part of the solution is picked up by pipette again and deposited onto a microscope slide. The filtration tower is washed between each sample to eliminate cross-contamination.” Each team in the competition was given an automated microscope to use for the event. The solution is then analyzed by the microscope and result data uploaded to the cloud. agbot 4 “The team did an exceptional job this year in understanding all the goals of the competition and working in multi-disciplinary teams to create an exceptional vehicle,” Leonessa said. “They were the only team to complete all the require- ments outlined by the organizers, who said their product was exactly what they were looking for.”