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Keywords: PD control
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Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. April 2006, 128(2): 176–183.
Published Online: August 1, 2005
... with the consideration of the electric-hydraulic actuator. The complex nonsynchronous vibration of squeeze-film dampers rotor-bearing system is demonstrated to be stabilized by such electric-hydraulic orifices actuators with proportional-plus-derivative (PD) controllers. Numerical results show that the nonchaotic...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. August 2005, 127(4): 362–369.
Published Online: December 16, 2004
... currents, respectively, flowing in the coils of magnetic bearings; and g 0 is the nominal gap between the shaft and stator. For simplicity, the control current of the feedback control system is assumed to be proportional to the shaft displacement and velocity; that is, a PD controller, which can...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. August 2005, 127(4): 307–314.
Published Online: September 3, 2004
.... Previous studies have shown that input shaping can be used on linear systems to produce point-to-point motion with no residual vibration. This paper extends command-shaping theory to nonlinear systems, specifically systems with Coulomb friction. This idea is applied to a PD-controlled mass with Coulomb...