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On the use of optimization methods for the minimization of fertilizer application error with centrifugal spreaders

Abstract : Fertilizer application is one of the most important operations in agricultural production. Thanks to their low cost and robustness, centrifugal spreaders are widely used to carry out this task. However, when distances between successive paths followed by the tractor in the field are not constant, application errors occur. These ones generally cause waters pollution and economic issues. In this paper, to limit harmful environmental effects and disastrous drop in production due to centrifugal spreading, we propose an approach based on optimization techniques to improve the fertilization quality. An optimization criterion relying on a spatial distribution model, obtained in previous works, is considered. To compute optimal parameters which should be used as reference variables for the control of the spreader in the future, mechanical constraints are introduced. Faced with a large scale problem, we use an augmented lagrangian algorithm combined with a l-bfgs technique. Simulations results show low application error values comparing to fertilization inaccuracies found without optimization.
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https://hal.inria.fr/hal-02468330
Contributor : Philippe Martinet <>
Submitted on : Wednesday, February 5, 2020 - 4:53:55 PM
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  • HAL Id : hal-02468330, version 1

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Teddy Virin, Jonas Koko, Emmanuel Piron, Philippe Martinet. On the use of optimization methods for the minimization of fertilizer application error with centrifugal spreaders. ICINCO06 - 3rd International Conference on Informatics in Control, Automation and Robotics, Aug 2006, Setubal, Portugal. ⟨hal-02468330⟩

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