Refrigerating system optimization method and device based on error correction

Through the refrigeration system optimization method based on error correction, the cooling water temperature of the refrigeration system is adjusted, and the problem of errors in the prediction of the optimization model of the refrigeration system and the actual results in the prior art is solved, and the efficient operation of the refrigeration system under the optimal power and energy consumption is achieved.

CN119713701AActive Publication Date: 2025-03-28DONGGUAN DEER IND SERVICES
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Patent Information

Application Number
CN202510022902.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-03-28
Estimated Expiration
2045-01-07

AI Technical Summary

Technical Problem

Due to algorithm limitations, data defects and model idealization, the existing refrigeration system optimization methods have errors in model prediction results and actual results, resulting in the optimal control strategy being unable to achieve the optimal operation effect.

Method used

The refrigeration system optimization method based on error correction is adopted. By obtaining the target demand cooling capacity and current environmental parameters, the optimization model is input to obtain the optimal control parameters and predicted power, the performance curve is constructed to calculate the actual power, the power error value is judged, and the cooling inlet water temperature in the optimal control parameters is adjusted accordingly, until the power error value is less than the preset error threshold.

Benefits of technology

The error correction of the optimal control parameters output of the optimization model is achieved, ensuring that the refrigeration system operates at the optimal power consumption while meeting the target cooling capacity.

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Abstract

The invention belongs to the technical field of refrigeration control, and discloses a refrigeration system optimization method and device based on error correction, and the method comprises the steps: obtaining a target required cooling capacity and a current environment parameter, inputting an optimization model, and obtaining an optimal control parameter and prediction power; constructing a performance curve; the performance curve comprises a temperature refrigeration curve, a temperature correction curve and a load correction curve; inputting the optimal control parameters into the performance curve to obtain actual power; subtracting the actual power from the predicted power to obtain a power error value; judging whether the absolute value of the power error value is smaller than a preset error threshold; if yes, the refrigerating system is made to operate according to the optimal control parameters; and if not, the cooling water inlet temperature in the optimal control parameters is adjusted according to the power error value. According to the method and the device, the error of the optimal control parameter output by the optimization model can be corrected, and the refrigerating system can be ensured to operate at the optimal power energy consumption while the target required cooling capacity is met.
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