Golden Grain Energy in Mason City, Iowa, was looking for a way to reduce maintenance costs for their operating systems. Golden grain produces 125M gallons /year of distiller’s grains and non-food grade corn oil. The plant was running an Advanced Process Control (APC) “black box” which had worked well until modifications were needed. Although system controls reside in PCs rather than the DCS, the system is effective with non-linear and adaptive process. However, it requires extensive process knowledge and process […]
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