ISHS Acta Horticulturae 106: Symposium on Computers in Greenhouse Climate Control
ADAPTIVE SPLIT-RANGE CONTROL OF A GLASSHOUSE HEATING SYSTEM |
| Authors: | J. Valentin, J. van Zeeland |
| Abstract:
For the control of a glasshouse heating system with lower and upper heating pipes an adaptive split-range control algorithm is presented. The digital heating system control is basically a discrete PI control of the glasshouse temperature. The gain of a simple model of the heating dynamics is estimated on-line using a "least squares like gradient" identification method (5), and used to tune the PI algorithm. | |
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