Minimization of Temperature Ranges between the Top and Bottom of an Air Flow Controlling Device through Hybrid Control in a Plant Factory

Table 1

Specifications of the cooling/heating devices and air-flow fans.

Device	Cooling and heating devices	Air-flow fan
Model	S-W115AAW	SIV-200BC
Rated voltage	220 V	220 V
Frequency	60 Hz	60 Hz
Power consumption	1350 W	21 W
Area	37.5 m^2	10 m^3