COGENERATION DEVICE AND ITS CONTROL METHOD

PROBLEM TO BE SOLVED: To provide a cogeneration device and its control method, eliminating the consumption of much time for searching case examples without causing a great increase in the information amount of a case example database even when a time passes since starting control. SOLUTION: The coge...

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Bibliographische Detailangaben
1. Verfasser:	CHOKAI RYOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES ELECTRICITY FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINEPLANTS HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING NOT OTHERWISE PROVIDED FOR PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY RANGES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE USE OF WASTE HEAT OF COMBUSTION ENGINES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cogeneration device and its control method, eliminating the consumption of much time for searching case examples without causing a great increase in the information amount of a case example database even when a time passes since starting control. SOLUTION: The cogeneration device comprises means 2 for detecting power demand, means 3 for detecting hot water supply demand, means 4A for detecting information about room temperature, and estimating means 26 for estimating power consumption and/or the hot water supply demand. The estimating means 26 is configured such that it estimates the power consumption and/or the hot water supply demand after the passage of a certain time from case example based inference in accordance with information about a date and a day of a week, the detected power demand, the hot water supply demand and a current detected value for information about temperature and a numerical value for a time before a certain time or longer. The estimating means 26 has first estimating means 22 for finding an estimated value in accordance with an average value (an average value for case example data in each of predetermined regions) for past case example data in a predetermined range (retrieving recent data from quantized histories; compressing the data; and cutting a mesh for the past case example data) and second estimating means 23 for finding a estimated value in accordance with the minimum square error. COPYRIGHT: (C)2004,JPO