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Robotics Research
Posted on September 13, 2017 by  & 

Teachable, ultra-compact, autonomous, phenotyping robot

Investors and executives in the agricultural industry are getting a first look at TerraSentia, a new-to-the-market agricultural robot that autonomously measures crop traits, developed at the University of Illinois.
 
The start-up company EarthSense, Inc. announced it has filed a provisional patent and is now taking pre-orders for the agricultural robot TerraSentia, which will be ready for the 2018 growing season. Developed through the TERRA-MEPP project at the University of Illinois, with support from the Advanced Research Projects Agency - Energy (ARPA-E), the robot will cost early adopters $4,999 - a fraction of the cost of hiring laborers to measure germination, conduct stand counts, and other monotonous jobs.
 
The robot's developer, Girish Chowdhary, a professor of agricultural and biological engineering, envisions a fleet of these ultra-compact robots roving fields doing simple tasks that will free up precious human capital to work on the big picture.
 
"Our robot will do the exhausting, time consuming, error-prone part - collecting field data - giving plant breeders and scientists more time to analyze it and make key decisions," said Chowdhary. "What would take a team of researchers tromping through fields with tape measures and other tools to do in several days, our robot can do in several hours."
 
 
Currently, the robot can autonomously count plants and measure stem width to help estimate biomass for corn, sorghum, and soybeans. Work is underway to teach it to measure stem, angle plant height, corn ear height, leaf area index, early vigor, biomass, and to identify diseases.
 
TerraSentia comes with the robot equipped with two visual cameras, a tablet app featuring first-person view, and secure cloud software used to store data and teach the robot. The ultra compact robot weighs less than 15 pounds and is just 11 inches wide to fit in most crop rows. At 8.5 hours per charge, the robot's battery lasts a full workday.
 
The robot can be further customized with GPS to enable autonomous navigation and custom mounts for additional sensors including multi-spectral cameras, hyperspectral cameras, stereoscopic and structured light cameras, and LIDAR.
 
Source and top image: University of Illinois at Urbana Champaign
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