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摘要
This paper proposes a new adaptive feedforward cancellation (AFC) control that achieves periodic tracking and/or periodic disturbance rejection. The new control design is a direct scheme in the sense that it adaptively updates the desired control without estimating the unknown disturbance. The proposed new control has several advantages. First, its adaptation gain can be arbitrarily chosen without upsetting the system stability. Second, it can be applied to not only minimum-phase systems, but also non-minimum phase systems. Finally, it is shown that the proposed AFC control is independent of where the disturbance enters the system.
- 出版日期2012-5
