Carrier-Phase Differential GPS for Control of a Tractor Towed Implement. Bevly, D. M. & Parkinson, B. In pages 2263–2268, September, 2000. ![Carrier-Phase Differential GPS for Control of a Tractor Towed Implement [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex This paper explores the use of GPS position measurements on a tractor towed implement for position control of the implement. Several recent papers have focused on automatic steering control of farm vehicles using GPS. This paper extends that work to control a towed implement through automatic steering of a farm tractor. Many times implements are driven on curved trajectories, side-hills, or contours where the implement and tractor positions may differ. Additionally, some heavy implements will "pull heavy" to one side, creating a position bias. It would be advantageous to be able to control the actual position of the implement as opposed to the position of the tractor in these various circumstances. A simple analytical model is developed for the tractor/implement combination. The model is validated with experimental data using Carrier Phase Differential GPS position on the tractor as well as on the implement. A controller is then designed and implemented on the experimental system to control the position of the implement on a given path across the field. Experimental data is given to show the ability to control the position of the implement to within 10 cm of the desired path.
@inproceedings{bevly_carrier-phase_2000,
title = {Carrier-{Phase} {Differential} {GPS} for {Control} of a {Tractor} {Towed} {Implement}},
url = {http://www.ion.org/publications/abstract.cfm?jp=p&articleID=1643},
abstract = {This paper explores the use of GPS position measurements on a tractor towed implement for position control of the implement. Several recent papers have focused on automatic steering control of farm vehicles using GPS. This paper extends that work to control a towed implement through automatic steering of a farm tractor. Many times implements are driven on curved trajectories, side-hills, or contours where the implement and tractor positions may differ. Additionally, some heavy implements will "pull heavy" to one side, creating a position bias. It would be advantageous to be able to control the actual position of the implement as opposed to the position of the tractor in these various circumstances. A simple analytical model is developed for the tractor/implement combination. The model is validated with experimental data using Carrier Phase Differential GPS position on the tractor as well as on the implement. A controller is then designed and implemented on the experimental system to control the position of the implement on a given path across the field. Experimental data is given to show the ability to control the position of the implement to within 10 cm of the desired path.},
language = {en},
urldate = {2024-06-20},
author = {Bevly, David M. and Parkinson, Bradford},
month = sep,
year = {2000},
pages = {2263--2268},
}
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