Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Hydrodynamic bearing with embedded electromagnetic actuators and tilting-pad. (a) Tilting-pad bearing; (b) pad with actuator (exploded view).

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Test rig: (1) shaft, (2) self-aligning ball bearing, (3) tilting-pad bearing with embedded actuators, (4) electric motor, (5) universal joint, (6) inertial table, (7) proximity sensors, (8) excitation bearing, (9) hydraulic unit, (10) cooling system

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Reference systems adopted and points of interest in the body

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Flow chart of the algorithm for calculating the resultant forces on the shaft and on the pads

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Test rig for measuring the force of the actuation system: (1) electromagnetic actuator, (2) cylinder, (3) load cell, (4) drive of the actuators

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Electromagnetic force of the actuation system as a function of the applied reference voltage and frequency: comparison between experimental data and the fitted model. (a) Amplitude; (b) phase.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Position of the actuators in the bearing

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Rotor-bearing frequency response functions in the passive condition (without control): excitation in Y direction (horizontal) in the rotating speeds of 600 and 1100 rpm—numerical and experimental results. (a) Y direction; (b) Z direction.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Scheme of the control and identification systems of the rotor-bearing system in the active condition (with control)

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Rotor-bearing frequency response functions in the active condition (with control): excitation in Y direction (horizontal) in the rotating speed of 600 rpm—numerical and experimental results. (a) Y direction; (b) Z direction.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Rotor-bearing frequency response functions in the active condition (with control): excitation in Y direction (horizontal) in the rotating speed of 1100 rpm—numerical and experimental results. (a) Y direction; (b) Z direction.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Rotor unbalance response during run-up test (with control). (a) Response; (b) control signal.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Alternative design solution for the pads. (a) Body of the pad; (b) electromagnetic circuit.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Electromagnetic force of the E-shaped actuators as a function of the applied reference voltage and frequency: comparison between experimental data and the fitted model. (a) Amplitude; (b) phase.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Rotor-bearing frequency response functions in the passive and active conditions: excitation in Y direction (horizontal) in the rotating speeds of 600 and 1100 rpm—numerical results with E-shaped pads. (a) Y direction; (b) Z direction.

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Lateral Vibration Attenuation of Shafts Supported by Tilting-Pad Journal Bearing With Embedded Electromagnetic Actuators J. Eng. Gas Turbines Power. 2013;136(4):042503-042503-12. doi:10.1115/1.4026038 Figure Legend: Specific control capacity of different types of active bearings