Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 541587
Title Stem detector for crops in a high-wire cultivation system
Author(s) Soetens, Robin; Molengraft, M.J. van de; Dries, S. van den; Bruyninckx, Herman; Ijsselmuiden, J.M.M.; Henten, E.J. van
Source Octrooinummer: WO2016184966, verleend: 2016-11-24.
Department(s) Farm Technology Group
PE&RC
Publication type Patent
Publication year 2016
Abstract A plant detection device is provided that includes a robotic arm having gripping element that includes first and second curved grippers with opposing concave surfaces that move between an open and closed states, and the arm moves and vibrates the gripping element, a proximity force sensor that is disposed on the gripper and outputs a measurement signal of a force between the gripping element and an outgrowth from a stem of a plant under test to a computer, a force and frequency sensor that is orthogonal to the proximity force sensor outputs a gripping force measurement and a frequency response measurement of the stem of the plant under test to the computer, where the computer moves the gripping and vibrating arm according to the sensor signal outputs.
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