DEMAND CONTROL APPARATUS

PURPOSE:To control the influence due to a temporary load variation and perform an effective demand control through an improvement in stability of a working power prediction value, by providing a plurality of temporary prediction calculation means and fuzzy calculation means for calculating a single estimation value from temporary prediction values. CONSTITUTION:A demand control apparatus comprises a plurality of temporary prediction calculation means 7 and 8 for calculating temporary prediction values which are a working power at the end point in time of a demand timing, and storage means 11 in which a membership function for weighting temporary prediction values obtained by the temporary prediction calculation means 7 and 8 is stored. It is determined which classification the remaining time of the demand timing indicated by remaining time count means 10 belongs to, and a plurality of the temporary prediction values obtained by a plurality of the temporary prediction calculation means 7 and 8 based on the membership function of the storage means 11 corresponding to the classification are individually weighted, and a single estimation value is calculated from the temporary prediction values by fuzzy calculation means 9, 12 and 13.