Abstract
When flywheel rotor runs at high speed, nutation and procession caused by gyroscopic effects are the main factors which lead the active magnet bearings (AMB) system into instability. Although cross feedback control can stabilize the procession and improve the stability of nutation, nutation is still unstable at higher rotational speeds. In this paper the stability of nutation is studied. And phase-analysis method is introduced into the stability analysis of PID control system. It is found that it is the phase lag circuits which destabilize nutation. Based on this result, a new compensatory control is added into the control system. The results of the eigenvalue calculation demonstrate that the new method can largely improve nutation stability and even better than the cross feedback control which has been successfully used in practical in the 5th unit of BUAA.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
