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控制理论与应用 2013
Adaptive internal model control of a test turntable based on inertia identification
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Abstract:
An adaptive internal model controller based on the inertia identification technology is presented to reduce the effect on the test turntable from variations in model parameters. Firstly, an IMC control scheme is designed based on the mathematical model of a type of test turntable. Meanwhile, the inertia identification method using disturbance observer is proposed to identify the inertia variations of the test turntable. Then, a fuzzy logic controller is introduced to adjust the parameters of the IMC controller online according to the inertia variations to ensure the desired performances of the system. Results in simulation and real experiment show that the proposed scheme has a strong adaptation to the inertia variations in enhancing the disturbance rejection ability and improving the robustness of the system.