磁気軸受におけるディジタル制御方式の比較

概要

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Digital control laws are implemented on an active magnetic bearing system with Digital Signal Processor. Three types of digital controllers are designed to control the horizontal single-axis magnetic bearing; PID controller, PID with second-order derivative controller (PIDD2) and dynamic compensator based on an identity observer. Results of these digital controls implemented with DSP are compared with those of analogue controls implemented with operational amplifier in controllability. Comparisons of these experimental results show that while only a little difference between analogue control and digital one on control-lability is observed, the digital dynamic compensator proved to have some superiority. And these experimental results agreed with those of numerical simulation.
長崎大学工学部,Faculty of Engineering, Nagasaki Universityの論文