| 摘要 |
PROBLEM TO BE SOLVED: To raise a floor surface temperature to a target temperature under a time-shared control by a method wherein an increased temperature discriminating value at the time of receiving electricity of a plurality of floor surface heating facilities is calculated in reference to a target temperature, a temperature increasing gradient under an electrical energization of 100%, an electrical energization rate and an electrical energizing time, and an electrical energizing pattern is discriminated under comparison with a floor surface temperature at the time of receiving electricity. SOLUTION: An electrical energization pattern in each of floor heating facilities is temporarily determined and an increased temperature discriminating temperature T1 at each of the floor heating facilities at the time of receiving electricity is calculated by an equation of T1 =T0 -αγZ in reference to the electrical energization pattern, where T0 : target temperature,α: increased temperature gradient under electrical energization rate of 100%,γ: electrical energization rate and Z: electrical energization time. That is, the increased temperature discriminating temperature T1 of each of the floor heating facilities at the time of receiving electricity is compared with a floor surface temperature T2 at the time of receiving electricity and if T1 <T2 is established, it is discriminated that the temperature is to be increased up to the target temperature T0 within a time range of receiving electricity on the basis of the electrical energization pattern. Thus, it is possible to increase the temperature up to the target temperature T0 by performing a time-shared control in response to the electrical energization pattern.
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