In this page we briefly describe what the BenchBot is, its beginnings , and why we decided to embark in this project, its main components and uses, and we also present some of the reasons why we think this is such a revolutionary and unique tool for precision agriculture.
What is BenchBot?
BenchBot is a high-throughput robotic platform which can collect data in a systematic, fast and reliable manner and can be adjusted to greenhouse and semi-field settings. The system consists of an autonomous platform to which different sensors can be mounted, an imaging system (camera + lighting), a user interface and a data processing pipeline, all of which we explain in depth in this document.
This is an open source hardware and software project that we hope other people in the ag and tech community get to use as is or that can be used as a starting point for developing other tools that adjust better to other setups.
How everything started
In the year 2018 2019 we were running a breeding project in one of the greenhouses at BARC which required measuring the height of 960 plants growing in pots weekly. This task required 2 people doing this activity for a full day. We were also collecting overhead images of the plants using a pvc frame and a commercial small digital camera which also took a full day and two people to accomplish every week.
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The first version of the BB was design to collect images in a semi-automated way since the plate to which we mounted the camera moved on its own but we had to manually move the platform from one row of pots to the next. This drastically improved the efficiency of data collection and the quality of the images that we were getting for the second year of the experiment (20192020). We were able to cut the data collection time in half and we were getting images of individual pots instead of several pots per image.
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The next milestone was to fully automate the BB so the system could become more efficient, reliable and require less labor. As we were planning for these BB improvements, a very ambitious project was starting to brew within our research group: a Weeds Image Repository for the United States for which the BB has now become a fundamental tool.
This new project required the BB to be able to perform in a semi-field setup so we started working on a design that could accommodate that.
By the spring of 2021 we had a fully automated system.
BenchBot v3
Coming in 2023
For this new version of BB we are looking to add:
A track and vision system to improve the platform navigation and data tracking.
More degrees of freedom for 3D imaging
Other sensors and cameras
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