The invention discloses a universal control method for optimal operation of a transcritical CO2 heat pump system and a related device thereof, and belongs to the field of new energy automobiles, and the method comprises the following steps: determining the level number of optimization parameters, obtaining corresponding values of different levels of each optimization parameter according to the level number in an equal gradient manner, and determining the optimal operation of the transcritical CO2 heat pump system according to the corresponding values. A working condition table of the transcritical CO2 heat pump system is obtained through orthogonal matrix calculation; according to the working condition table experiment of the transcritical CO2 heat pump system, the optimal exhaust pressure of the transcritical CO2 heat pump system under each condition is obtained; performing average value analysis and variance analysis on the optimal exhaust pressure and the working condition table of the transcritical CO2 heat pump system under each condition to obtain an optimization parameter sensitivity proportion; and the optimal exhaust pressure of the real-time working condition is obtained by optimizing parameter sensitivity proportion prediction, the rotating speed of a CO2 compressor and the opening degree of an electronic expansion valve are adjusted according to the optimal exhaust pressure of the real-time working condition, and control over the transcritical CO2 heat pump system is completed. According to the method, the transcritical CO2 heat pump system can achieve the optimal performance.
本发明公开了一种跨临界CO2热泵系统最优运行的通用控制方法及其相关装置,属于新能源汽车领域,所述方法包括以下步骤:确定所述优化参数的水平数,根据所述水平数等梯度获取每个优化参数的不同水平的对应值后,通过正交矩阵计算得到跨临界CO2热泵系统的工况表;根据所述跨临界CO2热泵系统的工况表实验得到每种情况下跨临界CO2热泵系统的最优排气压力;对所述每种情况下跨临界CO2热泵系统的最优排气压力和工况表进行平均值分析和方差分析后,得到优化参数敏感性占比;通过优化参数敏感性占比预测得到实时工况的最优排气压力,根据所述实时工况的最优排气压力调节CO2压缩机转速和电子膨胀阀开度,完成跨临界CO2热泵系统的控制。本发明能够使跨临界CO2热泵系统达到最优性能。
Universal control method for optimal operation of transcritical CO2 heat pump system and related device thereof
一种跨临界CO2热泵系统最优运行的通用控制方法及其相关装置
2025-02-18
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
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