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Air conditioning system control strategy mathematical description method based on finite-state machine

A finite state machine and control strategy technology, applied in heating systems, solar heating systems, solar collector controllers, etc., can solve the lack of standardized description and modeling methods of equipment control methods, and cannot be applied to HVAC systems, etc. problems, to achieve the effect of formal standards, complete structure, and clear logic

Inactive Publication Date: 2021-01-15
TIANJIN UNIV
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Problems solved by technology

On the other hand, the control between air-conditioning equipment has a strong correlation, so the control strategy description method for specific individual equipment cannot be applied to HVAC systems, and there is still a lack of standardized description and modeling for such equipment control methods method study

Method used

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  • Air conditioning system control strategy mathematical description method based on finite-state machine
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  • Air conditioning system control strategy mathematical description method based on finite-state machine

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] The present invention is a finite state machine-based air-conditioning system control strategy standardization mathematical description method, the overall technical route is as follows figure 1 shown. Below, based on the inventive method, a mathematical description design is set up for an actual building HVAC system control strategy, and its description process and mathematical model realization principle are analyzed: design an actual HVAC electromechanical system such as figure 2 As shown, its winter energy sources include solar hot water collectors and ground source heat pump units. For this kind of multi-heat source coupling system, comprehensive and accurate descriptio...

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Abstract

The invention discloses an air conditioning system control strategy mathematical description method based on a finite-state machine. The method comprehensively considers the characteristics of operation control of a heating, ventilation and air-conditioning system, and a standardized mathematical description method is systematically provided for establishing the control strategy of the air conditioning system, including the four steps of defining a system state, defining a state transition condition, defining an output action corresponding to the state, and defining the mapping relation of state conversion. According to the method, complete, systematic and standardized control strategy mathematical description and modeling expression writing steps are given by means of an improved data structure and a state conversion algorithm, certain applicability and expansibility are achieved, the technical scheme blank in the field is filled up, and a good mathematical model foundation is laid for software development of heating, ventilation and air conditioning equipment control strategy simulation and writing.

Description

technical field [0001] The invention belongs to the technical field of heating, ventilating and air-conditioning, and in particular relates to a standardized mathematical description method for central air-conditioning equipment and system control strategies, which can provide a mathematical model basis for the development of control strategy compilation software and simulation software for the heating, ventilating and air-conditioning system. Background technique [0002] In essence, the control strategy is based on prior expert knowledge to ensure that mechanical equipment operates in a predetermined way through pre-established logic rules. From the perspective of language, the control strategy is a logical language that people formulate in advance, which includes numerical semantics that specify the operating parameters of mechanical equipment and logical semantics that specify the operating method of mechanical equipment. In order to realize the recognition and reading a...

Claims

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Application Information

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IPC IPC(8): F24F11/32F24F11/61F24F11/64F24F11/84F24F11/88F24D19/10F24S50/80
CPCF24D19/1015F24D19/1042F24F11/32F24F11/61F24F11/64F24F11/84F24F11/88F24S50/80Y02E10/40
Inventor 刘魁星田喆王进宇
Owner TIANJIN UNIV
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