I completed experiment of constant air volume system and variable air volume system of the simulation systems in the laboratory.
在实验室里完成了模拟系统中的定风量一次回风系统和变风量系统的实验。
参考来源 - 不同条件下空调系统对相对湿度控制的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
However, variable air volume system itself is strongly coupled and nonlinear, the traditional PID controller is usually difficult to achieve satisfactory control effect.
但由于变风量空调系统本身的强耦合、非线性等特点，传统PID控制往往难以达到满意的控制效果。
As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser.
条缝形散流器作为变风量系统的空气分布器其性能是最好的，但这种条缝形散流器过于昂贵，故国内许多公司选择采用方形散流器。
The auxiliary building adopts a variable refrigerant volume air conditioning system.
附楼采用变制冷剂流量多联分体式空调系统。
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