| Citation: | WANG Chengyang, WANG Siji, LIU Yuan, et al. Research on vibration control methods of aircraft engine rotor system based on an active elastic support/dry friction damper[J]. Journal of Aerospace Power, 2025, 40（10）：20230529 doi: 10.13224/j.cnki.jasp.20230529
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In order to meet the needs of active control of rotor vibration of high performance aero-engine, an active control model was established based on the active elastic support/dry friction damper, and a switch controller and a PI (proportional-integral) controller were designed according to the modal control strategy. Then, simulation analysis and experimental verification were carried out with a certain type of aero-engine high pressure rotor tester as the object. The results demonstrated that both control methods effectively suppressed rotor vibration during critical speed transitions, achieving a maximum vibration reduction of 96.17%. Furthermore, compared to the switching control method, the PI controller proved more conducive to rotor stability. It achieved the control objectives at a lower cost, owing to its superior ability to adapt in real-time to vibrations under various operational conditions.
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