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Novel Disturbance Controller Design for a Two-Degrees-of-Freedom Smith Scheme

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journal contribution
posted on 17.01.2007 by Qing-Guo Wang, Xiang Lu, Han-Qin Zhou, Tong-Heng Lee
A two-degrees-of-freedom Smith control scheme is investigated for improved disturbance rejection. The resulting set-point and disturbance responses can be tuned by two controllers separately. A novel disturbance controller design is presented with easy tuning and greatly improved performance. The internal and robust stability issues are discussed. Examples are provided for illustration.

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