| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent an illumination apparatus from being lighted, as it is, after being lighted forcibly contrary to schedule, while automatically managing the illumination apparatus according to the schedule.SOLUTION: While an illumination apparatus 1 is lighting forcibly, a determination is made whether or not power consumption of an electric apparatus provided in an area E, other than the illumination apparatus, becomes equal to or less than a threshold. If it is equal to or less than a threshold, unlight determination is performed based on the variation amount or variation rate of power consumption, before determining is made whether or not the illumination apparatus 1 lighting forcibly is unlighted.</p> |
