Improved climate control for potato stores by fuzzy controllers |
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| Authors: | Klaus Gottschalk Lszl Nagy Istvn Farkas |
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| Institution: | a Institut für Agrartechnik Bornim e.V.ATB, Max-Eyth-Allee 100, D-14469, Potsdam, Germany;b Faculty of Agricultural Engineering, Department of Physics and Process Control, Szent István University, Gödöllö, Pater K.u.1. H-2103, Hungary |
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| Abstract: | The main tasks for climate controllers in potato bulk stores are to keep the storage climate in an appropriate condition for quality conservation. To avoid extra energy costs by using cooling systems the internal climate of potato bulk stores is controlled with outdoor air. A conventionally designed controller is difficult to adapt for an optimal climate control to reduce quality loss. However, a controller designed with fuzzy logic is found as advantageous for adapting control parameters to improve the control process. A test stand is built to ventilate and to control two samples of potato bulks simultaneously with the same outdoor weather conditions for comparisons. Several experiments were carried out to compare climate controllers with different control algorithms, i.e. conventional to a different conventional and conventional to fuzzy. |
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| Keywords: | Potato store Fuzzy control Genetic algorithm Parameter adapting |
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