Weed slayer AgBot II on Darling Downs

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07 Dec Weed slayer AgBot II on Darling Downs

QUT Media Release, 7 December 2016

Darling Downs farmers will meet the future of farming on Wednesday, when QUT showcases its world-leading agricultural robot, AgBot II.

Designed and built by QUT with support from the Queensland Government, AgBot II could save Australia’s farm sector $1.3 billion a year by reducing the costs of weeding crops by around 90 per cent.

Professor Tristan Perez, leader of QUT’s agricultural robotics program, said AgBot II’s sensors, software and other electronics enable it to navigate through a field, detect and classify weeds and then kill them either mechanically or chemically. The robot can also be used to apply fertiliser.

“In future versions, the robots could also feed back data on such things as soil and crop health and the state of diseases as they conduct their operations. This would enable better management decisions driven by paddock specific real-time information,” he said.

Wednesday marks the first time AgBot II’s will be demonstrated on the Darling Downs, and only the second time in Queensland. The demonstration will be followed by a Q&A session.

The agricultural community is invited to a morning and afternoon demonstration at “Glenwood”, Bowenville.

Professor Perez said AgBot II has demonstrated an outstanding performance in the use of robotic vision and artificial intelligence for the detection and classification of different weed species.

“The cutting edge robotic vision gives AgBot II the ability to spot-spray selected weed species and use mechanical tools to remove other weeds species that are herbicide resistant,” Professor Perez said.

“To date, we have concentrated on the three weeds that are relevant to Queensland: volunteer cotton, sow thistle and wild oats, and the vision system operated with 99% accuracy in the classification of the correct species based on the images collected by the robot cameras.”

He said weeds were becoming increasingly immune to chemical control, which was why it was important that an agricultural robot could not only detect, but classify the weed species on the spot and decide which actions to take to treat them.

“AgBot ll’s vision system can identify weeds and decide in real time which are better to spray and which are better dealt with, for example, mechanical or thermal methods,” he said.

“The light weight of AgBot II, which is about 600kg, will help reduce soil compaction that affects the yield by limiting the root development of the crops. Also due to weight, the robots can be deployed faster onto fields after rain to keep a tight control of weeds before they drop their seeds.

“In addition AgBots are designed to work in groups and this increases the reliability of weeding operations. If one robot has a problem and fails, the others continue operating. This is not the case with a single tractor or single sprayer operation.”

Professor Perez said AgBot ll is solar powered at present, better for the environment and the farmer’s budget.

He said QUT’s Farm Robotics team was at the forefront of innovation in agricultural robotics.

“We are integrating deep agricultural knowledge and systems science with powerful digital technologies such as big data analytics, economic modelling and decision science into these farm robots,” he said.

The QUT team is currently in discussion with potential commercialisation partners to take this technology to Australian farmers soon.

QUT’s program on Strategic Investment in Farm Robotics (SIFR) is co-funded by the Queensland Government, through the Department of Agriculture and Fisheries.

The three-year program, conducted at QUT under the ARC Centre of Excellence for Robotic Vision with the support of QUT’s Institute for Future Environments, aims to develop and fast-track farm robotic technology that will reinvigorate agricultural productivity by increasing production and reducing costs.

The SIFR program takes an integrated approach and focuses not only on technology, but also on key enabling factors for its adoption, including economics and business; risk, regulation and policy; and social aspects such as workforce education and training.

Visit QUT’s digital agriculture website for more information.

Media contacts:
Kate Haggman, QUT Media, 07 3138 0358, kate.haggman@qut.edu.au
After hours Rose Trapnell, QUT Media team leader, 0407 585 901, media@qut.edu.au

Tim Macuga, Australian Centre for Robotic Vision, 07 3138 6741, timothy.macuga@qut.edu.au

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Zongyuan GeQUTPhD Candidate
Zhibin LiaoUniversity of AdelaidePhD Candidate
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