Abstract
An algorithm is developed for environmental control in pig houses using natural ventilation. This controller requires input of animal data instead of climate setpoints. The controller includes both a growth model that predicts pig weight and feed intake and a heat balance model that determines animal-level climate setpoints. The algorithm uses a carbon dioxide balance to estimate air exchange. Therefore, the algorithm can be used in pig houses with natural ventilation. The control of air flow in pig houses allows for an energy-efficient use of heating systems in pig houses with natural ventilation.
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