This work details the development and implementation of a control system to regulate the speed of a magnetically-suspended rotor and flywheel. Development began with the installation of an electronic flow control valve and all instrumentation needed to measure rotor response. Once all hardware was in place, a simulation model of the system, consisting of actuator (electronic valve) and plant (air turbine magnetic bearings, rotor and flywheel), was created. This model was developed using system identification techniques where a step input is applied to the plant and its response is measured. A transfer function of the plant was derived from these tests, and it relates volumetric flow rate of air to rotor speed and uses variable coefficients. Using this model, a control system was developed and experimentally evaluated, with good results.
- Design Engineering Division and Computers and Information in Engineering Division
Analysis, Design, and Testing of a Control System for an Air Turbine Rotor Drive
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Jantz, R, & Flowers, GT. "Analysis, Design, and Testing of a Control System for an Air Turbine Rotor Drive." Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B. Washington, DC, USA. August 28–31, 2011. pp. 839-849. ASME. https://doi.org/10.1115/DETC2011-47182
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