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Characteristic model based all-coefficient adaptive control of an AMB suspended energy storage flywheel test rig

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Feedback control of active magnetic bearing (AMB) suspended energy storage flywheel systems is critical in the operation of the systems and has been well studied. Both the classical proportional-integral-derivative (PID) control design method and modern control theory, such as H control and μ-synthesis, have been explored. PID control is easy to implement but is not effective in handling complex rotordynamics. Modern control design methods usually require a plant model and an accurate characterization of the uncertainties. In each case, few experimental validation results on the closed-loop performance are available because of the costs and the technical challenges associated with the construction of experimental test rigs. In this paper, we apply the characteristic model based all-coefficient adaptive control (ACAC) design method for the stabilization of an AMB suspended flywheel test rig we recently constructed. Both simulation and experimental results demonstrate strong closed-loop performance in spite of the simplicity of the control design and implementation.

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Correspondence to Zongli Lin.

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Lyu, X., Di, L., Lin, Z. et al. Characteristic model based all-coefficient adaptive control of an AMB suspended energy storage flywheel test rig. Sci. China Inf. Sci. 61, 112204 (2018). https://doi.org/10.1007/s11432-017-9327-0

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  • adaptive control
  • characteristic modeling
  • energy storage flywheels
  • active magnetic bearings