Decoupled Control Structure Based Fractional Order PID Controller on the AMB System
International Journal of Engineering and Techniques – Volume 10 Issue 1, February 2024
ISSN: 2395-1303 | www.ijetjournal.org
Chao-Yun Chen1, Chia-Juei Fan2, Wei-Tao Huang3, Po-Hsiang Tsai4
1 Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan | Email: cychen1022@itri.org.tw
2 Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan | Email: CJFan@itri.org.tw
3 Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan | Email: WTHuang@itri.org.tw
4 Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan | Email: PHTsai@itri.org.tw
Abstract
This study investigates the impact of Fractional Order PID (FOPID) controllers in stabilizing high-speed rotating shafts supported by Active Magnetic Bearings (AMB). The vibrations in parallel and conical modes arise due to gyroscopic effects and need careful decoupling. Conventional Integer Order PID (IOPID) controllers have been widely implemented but may not be sufficient for complex AMB dynamics. To enhance stability, this research integrates the FOPID controller within a decoupled control structure and evaluates its performance using a centrifugal compressor with a five-degree-of-freedom AMB system. Comparative experimental results highlight the superiority of FOPID over IOPID, demonstrating improved system control capabilities.
Keywords
Active Magnetic Bearing, Decoupled Control, IOPID, FOPID, Gyroscopic Effects
How to Cite
Chao-Yun Chen, Chia-Juei Fan, Wei-Tao Huang, Po-Hsiang Tsai, “Decoupled Control Structure Based Fractional Order PID Controller on the AMB System,” International Journal of Engineering and Techniques, Volume 10, Issue 1, February 2024. ISSN 2395-1303
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