The problem of active balancing of speed-varying rotors, whose dynamics are changing or hard to be known beforehand, is frequently encountered in many applications. This paper presents a new adaptive method for balancing speed-varying rotors with multi-plane active balancing devices. The new method utilizes the positive realness of the transfer function of the active balancing system. This paper first shows the positive realness of the active balancing system and combines it with a direct adaptive control design method. A set of simulations was conducted to show the validity of the developed control law. The simulation studies show that the new method works as expected and has potential impact on future active balancing control systems.
Adaptive Control of Multi-Plane Active Balancing Systems for Speed-Varying Rotors
Contributed by the Dynamic Systems, Measurement, and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the ASME Dynamic Systems and Control Division August 16, 2001; final revision, January 21, 2003. Associate Editor: C. Rahn.
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Shin, K., and Ni, J. (September 18, 2003). "Adaptive Control of Multi-Plane Active Balancing Systems for Speed-Varying Rotors ." ASME. J. Dyn. Sys., Meas., Control. September 2003; 125(3): 372–381. https://doi.org/10.1115/1.1590679
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