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In order to accurately analyze the actual change law of the aerodynamic load of the aircraft and reduce the impact load of the doors and cabin structural components, a wind tunnel test and control system based on distributed architecture and PAC technology is designed. In the Hadoop cluster installation environment, set up the HBase loading module, use the piezoelectric sensor structure and the pressure control sub-circuit to realize the directional connection to the heater air supply pipeline, complete the establishment of the distributed architecture cluster of the wind tunnel test control system, and solve the aircraft The problem of obtaining aerodynamic load on the door and cabin structure. The driver program is used as the basis for software control, and all the sensor information and test data to be processed are displayed on the same control interface to achieve accurate analysis of the wind tunnel test control signals and complete the wind tunnel test adaptive control research based on PAC technology. Simulation experiments show that, with the increase of the total aerodynamic load sustained by the piezoelectric sensor, with the support of the wind tunnel test control system, the actual impact load on the door and the cabin body is reduced to about 4000GB, which can meet the requirements of mitigating the aircraft. The original intention of the pneumatic load pressure test.