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PH—Postharvest Technology: Automatic Control of Crossflow Grain Dryers, Part 3: Field Testing of a Model-Predictive Controller

✍ Scribed by Qiang Liu; F.W. Bakker-Arkema

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
279 KB
Volume
80
Category
Article
ISSN
0021-8634

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✦ Synopsis

In Part 3 of the paper on automatic control of cross#ow grain dryers, the "eld testing of newly developed model-predictive controller is described. The system showed excellence in accuracy, stability and robustness. The moisture content of maize was controlled to be within $0)7% w.b. of the moisture content to the set-point, at inlet-moisture contents ranging from 21 to 32% w.b. and drying-air temperatures from 85 to 1203C. The controller also displayed excellent compensation characteristics to changes in the drying-air temperature.

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