期刊
SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES
卷 47, 期 2, 页码 -出版社
SPRINGER INDIA
DOI: 10.1007/s12046-022-01870-x
关键词
PID controller; residual unbalance; virtual trial unbalance; improved influence coefficient method; active magnetic bearing
A practical online balancing methodology for rotor systems supported on conventional bearings using an Active Magnetic Bearing (AMB) is proposed. The methodology eliminates the need for mechanical trial masses and estimates residual unbalances using an Improved Influence Coefficient Method (IICM).
A practical online balancing methodology is proposed for a rotor system supported on conventional bearings, utilizing an Active Magnetic Bearing (AMB). It does not require mechanical trial masses to be kept at different balancing planes to estimate system parameters and residual unbalances. An Improved Influence Coefficient Method (IICM) is utilized to estimate the residual unbalances at the limited balancing plane locations in the rotor system having residual unbalances. The virtual trial unbalances utilized in the IICM are generated by the AMB as magnetic forces. The residual unbalances are estimated on the experimental test rig designed for rotor balancing incorporated with AMB. With corrected residual unbalances, the rotor system is rotated, both inclusive and exclusive of AMB, to observe the suppression of the vibration responses. It is seen that without application of the AMB also, the balanced system rotates with very less amplitude of vibration, which is useful in case the AMB system fails to suppress the vibration.
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