Enthalpy difference temperature and humidity decoupling control method based on adaptive fuzzy PID decoupling control

An adaptive fuzzy and decoupling control technology, applied in the field of enthalpy difference laboratory, to achieve the effect of enhancing accuracy, shortening adjustment time, and reducing steady-state error

Inactive Publication Date: 2019-01-29
UNIV OF JINAN
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Problems solved by technology

The present invention uses adaptive decoupling control to realize the decoupling of the temperature and humidity two-dimensional variable system in the enthalpy difference laboratory, overcomes the shortcomings of single temperature and humidity control, improves work efficiency, saves energy, and improves control accuracy

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  • Enthalpy difference temperature and humidity decoupling control method based on adaptive fuzzy PID decoupling control

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[0046] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0048] The present invention is created based on the enthalpy difference laboratory design of a certain company in Jinan.

[0049] As follows, the present invention will be further described in conjunction with actual projects:

[0050] The invention is a method for decoupling temperature and humidity in a laboratory based on enthalpy difference. The specific operation is as follows:

[0051] Step 1. Collect corresponding data from the enthalpy difference labo...

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Abstract

The invention relates to an enthalpy difference temperature and humidity decoupling control method based on adaptive fuzzy PID decoupling control. The method comprises the following steps: (1) determining a model of a temperature and humidity coupling object in an enthalpy difference lab system, and using an identification model parameter; (2) performing enthalpy difference lab temperature and humidity decoupling design; (3) designing an adaptive fuzzy PID controller; and (4) designing an enthalpy difference lab temperature and humidity decoupling controller. The method can realize the complete decoupling of the temperature and humidity of the enthalpy difference lab, and further proves the simple practicability of the feedforward compensation algorithm, can shorten the adjustment time ofthe system, meets the requirements of national standards, and improves the working efficiency of the enthalpy difference lab. The method can improve the stability of the system and reduce the steady-state errors, so that the average variation range of the dry bulb temperature is less than or equal to +/-0.3 DEG C, and the average variation range of the wet bulb temperature is less than or equal to+/-0.2 DEG C. The temperature and humidity adjustment accuracy of the enthalpy difference lab can be improved.

Description

technical field [0001] The invention relates to the technical field of enthalpy difference laboratories, in particular to an enthalpy difference temperature and humidity decoupling control method based on adaptive fuzzy PID decoupling control. Background technique [0002] The enthalpy difference laboratory can simulate various environmental conditions of temperature and humidity, and simultaneously test various performance parameters, cooling capacity, heating capacity, low-temperature unsteady heating capacity, power consumption, C.O.P, and circulating air volume of the air conditioner. and a laboratory for seasonal energy consumption efficiency. The laboratory is divided into the indoor side and the outdoor side. When measuring the performance of the air conditioner, the temperature of the room meets the accuracy requirements through the control of the refrigeration unit, humidifier and heater. [0003] The control accuracy of temperature and humidity is crucial to the e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D27/02
CPCG05D27/02
Inventor 李曼曼申涛魏军王丕涛赵钦君
Owner UNIV OF JINAN
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