Vehicle door assembly NVH test equipment based on high and low temperature test and control method thereof

The invention discloses a vehicle door assembly NVH test device based on a high and low temperature test and a control method thereof, and belongs to the technical field of automobile part tests.The vehicle door assembly NVH test device comprises a vehicle door positioning assembly arranged in an environment bin, the vehicle door positioning assembly comprises an L-shaped cantilever support, and the vertical edge end of the L-shaped cantilever support is fixed to one end of the top of a supporting base; a shaft end steering plate is arranged on the lower portion of one end of the transverse edge of the L-shaped cantilever support, the shaft end steering plate is connected with one end of the telescopic shaft through a universal joint, and a bidirectional posture sliding table corresponding to the lower portion of one end of the transverse edge of the L-shaped cantilever support is further arranged on the top of the supporting base. A shaft end steering plate is arranged on a posture execution top plate of the