Giant magnetostrictive automatic emergency avoidance device

The invention relates to the technical field of automobile parts, and provides a giant magnetostrictive automatic emergency avoidance device which comprises a power chamber shell, an oil outlet and an oil inlet are formed in the left side and the right side of the power chamber shell, and a steering mechanism is arranged on the power chamber shell; the oil outlet oil way is arranged on the power chamber shell, and the oil outlet oil way is communicated with the oil inlet; the oil recovery path is arranged on the power chamber shell, and the oil recovery path is communicated with the oil outlet; according to the automatic emergency avoidance device, the GMM rod is arranged, during emergency braking and emergency avoidance, the steering auxiliary system works, the steering system generates certain steering displacement on the basis that the GMM rod characteristic response speed reaches the microsecond level, displacement output is linearly controllable, the steering purpose is achieved, and the response time of