Dual-Actuated Vibration Isolation Technology for a Rotary System’s Position Control on a Vibrating Frame: Disturbance Rejection and Active Damping
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Dual-Actuated Vibration Isolation Technology for a Rotary System’s Position Control on a Vibrating Frame: Disturbance Rejection and Active Damping

Authors: Kamand Bagherian, Nariman Niknejad


A vibration isolation technology for precise position control of a rotary system powered by two permanent magnet DC (PMDC) motors is proposed, where this system is mounted on an oscillatory frame. To achieve vibration isolation for this system, active damping and disturbance rejection (ADDR) technology is presented which introduces a cooperation of a main and an auxiliary PMDC, controlled by discrete-time sliding mode control (DTSMC) based schemes. The controller of the main actuator tracks a desired position and the auxiliary actuator simultaneously isolates the induced vibration, as its controller follows a torque trend. To determine this torque trend, a combination of two algorithms is introduced by the ADDR technology. The first torque-trend producing algorithm rejects the disturbance by counteracting the perturbation, estimated using a model-based observer. The second torque trend applies active variable damping to minimize the oscillation of the output shaft. In this practice, the presented technology is implemented on a rotary system with a pendulum attached, mounted on a linear actuator simulating an oscillation-transmitting structure. In addition, the obtained results illustrate the functionality of the proposed technology.

Keywords: Vibration isolation, position control, discrete-time nonlinear controller, active damping, disturbance tracking algorithm, oscillation transmitting support, stability robustness.

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[1] C. R. Fuller, S. J. Elliott, and P. A. Nelson, Active vibration control. Academic Press, 1996.
[2] R. E. Cunningham, “Steady-State Unbalance Response of a Three-Disk Flexible Rotor on Flexible, Damped Supports,” J. Mech. Des., vol. 100, pp. 563–573, 1978.
[3] J. L. Nikolajsen and R. Holmes, “Investigation of Squeeze-Film Isolators for the Vibration Control of a Flexible Rotor,” J. Mech. Eng. Sci., vol. 21, no. 4, pp. 247–252, 1979.
[4] T. Inoue, T. Sugai, and Y. Ishida, “Vibration Suppression of the Rotating Shaft using the Axial Control of the Repulsive Magnetic Bearing,” J. Syst. Des. Dyn., vol. 4, no. 4, pp. 575–589, 2010.
[5] T. Inoue, H. Niimi, and Y. Ishida, “Vibration suppression of the rotor system using both a ball balancer and axial control of the repulsive magnetic bearing,” J. Vib. Control, vol. 18, no. 4, 2010.
[6] A. Javed, T. Mizuno, M. Takasaki, I. Yuji, M. Hara, and D. Yamaguchi, “Lateral Vibration Suppression by Varying Stiffness Control in a Vertically Active Magnetic Suspension System,” Actuators, vol. 7, 2018.
[7] C. Lusty and P. Keogh, “Active Vibration Control of a Flexible Rotor by Flexibly Mounted Internal-Stator Magnetic Actuators,” IEEE/ASME Trans. Mechatronics, vol. 23, no. 6, 2018.
[8] C. . Knospe, R. . Hope, S. . Tamer, and S. . Fedigan, “Robustness of Adaptive Unbalance Control of Rotors with Magnetic Bearings,” J. Vib. Control, vol. 2, no. 1, 1996.
[9] S. Li, J. Yang, W.-H. Chen, and X. Chen, Disturbance Observer-Based Control: Methods and Applications. CRC Press, 2016.
[10] W. A. S. P. Abeysiriwardhana and A. M. H. S. Abeykoon, “Simulation of active vibration suppression using internal motor sensing,” in 7th International Conference on Information and Automation for Sustainability, 2014.
[11] S. Khan and A. Sabanovic, “Discrete-time Sliding Mode Control of High Precision Linear Drive using Frictional Model,” in 9th IEEE International Workshop on Advanced Motion Control, 2006.
[12] A. Jafari Koshkouei and A. S.I.Zinober, “Discrete-Time Sliding Mode Control Design,” IFAC Proc. Vol., vol. 29, no. 1, pp. 3350–3355, 1996.
[13] P.Sen, Principles of Electric Machines and Power Electronics, 3rd ed. John Wiley & Sons, 2013.
[14] E. Hairer, S. P. Norsett, and G. Wanner, Solving Ordinary Differential Equations. Springer, 1987.
[15] M. Athans, Modern Control Theory. Center for Advanced Engineering Study, Massachusetts Institute of Technology, 1974.