Abstract

Object of this studies is to investigate the fundamental characteristics of process control of biological growth by means of digital computer.In this paper, for the first step, dynamic-characteristics of temperature and humidity control system in growth cabinet for D.D.C. (direct digital control) were discussed upon data obtained from operation by analog back-up system. As a result, characteristics of temperature and humidity control system (with the relations of temperature time constant, humidity time constant, desired value, input-signal and response-signal) were made clear quantitatively.It can be concluded that dynamic-characteristics of temperature and humidity control system in this growth cabinet are sufficient for D.D.C.

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