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 362843
Title Switching control for post-harvest food storage
Author(s) Mourik, S. van; Zwart, H.; Keesman, K.J.
Source In: Agricontrol 2007 Proceedings of the 2nd IFAC Intern. Conf. on Modeling and Design of Control Systems in Agriculture, Osijek, Croatia, 3 - 5 September, 2007. - Osijek : IFAC - p. 189 - 194.
Event Osijek : IFAC Agricontrol 2007, 2007-09-03/2007-09-05
Department(s) Biometris (WU MAT)
Systems and Control Group
PE&RC
Publication type Contribution in proceedings
Publication year 2007
Abstract Abstract: Harvested products inside a storage room are kept cool by a fan that blows air through a heat exchanger. The air and product temperature are regulated by switching the fan on and off. The corresponding mathematical model is nonlinear and discontinuous due to the switching of the fan. For control design, the model is approximated with a linear continuous model that has the switching time as input. For the approximated model, a controller that adjusts the switching time on every discrete time interval, is designed by classical design rules and tested on the original model by simulation.
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