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With drug finished-parts storage area increases, the control system of fan increases, interactions among multiple fans is inevitable. It is difficult to meet the requirements of the new GMP for finished-parts storage temperature and humidity. Multiple draught fans coordinated fuzzy PID control strategy is proposed in this paper. On the basis of each individual fan control strategy cross coupling method, to reducing the influence on single fan model which the mutual restriction between fan factors. Experimental simulation show that Multiple draught fans coordinated fuzzy PID control strategy can reduce the control time interaction between system for fan by given the influence of different intensity, curtail the volatility of the temperature and humidity range, its control effect is superior to separate control effect of multiple fans. influence of other fan can't achieve the temperature and humidity requirements which depositing to drug the required, leading to drug perishable here and causing direct economic losses to the enterprise (3-4). To avoid because of the drug in the damage caused by abnormal temperature and humidity to the enterprise, at the same time, as far as possible to improve control precision and the coordinated control of the whole system, this paper put forward the coordinated fuzzy PID control strategy, multiple fans coordinated control model is established, and model for the simulation experiment. The different area of the finished product warehouse temperature and humidity can meet the control requirements, so as to ensure the safety of the finished drug quality.

Multiple Draught Fans Collaborative Control Research of Temperature and Humidity in Drug Finished-Parts Storage