Adaptive active vibration control technology for space-used pulse tube cryocooler
An adaptive active controller is used to drive the compressor of a pulse tube cryo-cooler.The 50 Hz micro-vibration force of the pulse tube cryocooler is reduced from 0.21 N to 0.05 N,and the 100 Hz micro-vibration force is reduced from 0.26 N to 0.04 N,the 150 Hz micro-vi-bration force is reduced from 0.9 N to 0.04 N,the 200 Hz micro-vibration force is reduced from 0.97 N to 0.02 N,and the 250 Hz micro-vibration force is reduced from 0.69 N to 0.06 N,the test results show that the adaptive active vibration control has obvious effect on the first five har-monics vibration reduction of the compressor.
pulse tube cryocooleractive vibration controladaptive control