摘要 |
When controlling operation of heaters or coolers provided in a plurality of thermal control objects, the priority for turning on the heaters or the coolers set based on temperature and speed of temperature response of the thermal control objects is used to turn on a heater or cooler with higher priority and turn off a heater or cooler with lower priority, such that the sum of energy required for operating the heaters and the coolers does not exceed a predetermined value. Consequently, it is possible to reduce the peak energy (maximum energy) generated when a plurality of heaters and coolers are simultaneously turned on, thereby decreasing an affect on an energy supply system.
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