Real-time parameter identification method for first-order model of building to which air conditioner belongs

• Main Authors: MA LIANG, GUO XUCHEN, ZHOU WEIGUANG
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2022
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The invention provides a real-time parameter identification method for a first-order model of a building to which an air conditioner belongs. The first-order model of the building to which the air conditioner belongs is constructed; obtaining air conditioner load characteristic data and to-be-identified parameters in a preset time period in the target range, and performing preprocessing; identifying the parameters to be identified for the first time by using a standard least square method; acquiring and preprocessing air conditioner load characteristic data at the next moment of the preset time period; on the basis of the first identification result, adopting a recursive auxiliary variable method to carry out second identification on the to-be-identified parameters; and updating the first-order model of the building to which the air conditioner belongs in real time based on the second identification result. The ETP model of the air conditioner load is equivalent to a standard difference equation, an input and