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Research on Room Temperature Control of High Accuracy Constant Temperature Room Based on Cascade Control

机译：基于级联控制的高精度恒温室室温控制研究

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DMC-PID cascade control strategy was adopted to apply on high accuracy constant temperature air conditioning system because constant temperature room had large inertia, delaying, a few interference factors characteristics. The construction type of DMC-PID cascade control system was designed and the prediction model of inner loop and outer loop was determined, and then MATLAB software was applied to simulate and compare robust stability, tracking performance, anti-jamming capability characteristics of DMC-PID cascade control algorithms with other algorithms. Through studies, the overshoot of DMC-PID cascade control of room temperature reduced 2% in comparison with the PID algorithm, but was much larger than that of DMC algorithm. Its regulation time was nearly the same to that DMC algorithm, but cut down 25% in comparison with the PID algorithm. At last, the simulation result showed DMC-PID cascade control strategy application on temperature control of high accuracy constant temperature room had feasibility and effectiveness, and the control strategy had strong robust stability, tracking performance, anti- disturbance ability characteristics.
机译：采用DMC-PID级联控制策略应用于高精度恒温空调系统，因为恒温室具有大的惯性，延迟，一些干扰因素特性。设计了DMC-PID级联控制系统的施工类型，确定了内环和外环的预测模型，然后应用了MATLAB软件来模拟和比较DMC-PID的稳定性稳定性，跟踪性能，抗干扰能力特性与其他算法的级联控制算法。通过研究，与PID算法相比，室温的DMC-PID级联控制的过冲降低了2％，但远大于DMC算法。其调节时间与该DMC算法几乎相同，但与PID算法相比，降低了25％。最后，仿真结果显示了DMC-PID级联控制策略应用在高精度恒温室的温度控制下具有可行性和有效性，控制策略具有强大的稳定性稳定性，跟踪性能，抗扰能力特征。

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