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RISModel Based Analysis of Friction Induced Subsynchronous Whirl for a Rotor Contacting With Clearance Bearings Under Axial Load
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For rotors supported by active magnetic bearings (AMBs), clearance bearings are commonly used to provide backup support under loss of AMB functionality. Test data from real machines shows that vibration during touchdown ...
Model and Control System Development for a Distributed Actuation Magnetic Bearing and Thin-Walled Rotor Subject to Noncircularity
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This paper considers the problem of controlling the vibration of a lightweight thin-walled rotor with a distributed actuation magnetic bearing (DAMB). A theoretical flexible rotor model is developed that shows how multiharmonic ...
Nonlinear Design, Analysis, and Tests of a Compact Compliant Linear Guide With Internal Connection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The standard symmetric double parallel compliant mechanism (SDPCM) is commonly used in high-precision applications as it provides large-range linear motion in the primary degree of freedom (DoF) with linear ...
Nonlinear Spatial Modeling and Comparison of a Compact Compliant Linear Guide for Integration With Active Ferrofluid Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Compliant mechanism (CM) motion stages are used in high-precision applications for their frictionless, smooth motion with minimal hysteresis. However, parasitic motion errors and instability arise due to finite ...