Feedforward Control for Disturbance Rejection: Model Matching and Other Methods

摘要：

Feedforward control can improve disturbance rejection performance of a system when the measurement of the disturbance is available. This paper discusses the design of feedforward control in the discrete-time domain using the model matching methods that compute optimal and stable feedforward controllers. It is shown that the existence of a non-zero solution to the model matching problem depends on the difference between the relative degrees of the plant dynamics and the disturbance dynamics. A number of approximate dynamic inversion techniques commonly used for feedforward control design are reviewed and compared with the model matching methods. These feedforward control design methods are then applied to the application of an example tape head track-following servo system where the feedforward controller aims at reducing the position error caused by the lateral tape motion. Simulation results are presented to demonstrate the effectiveness of the feedforward control.

关键词： Feedforward Control Model Matching Tape Storage

作者: Hua Zhong Lucy Pao Raymond de Callafon

作者单位: University of Colorado Boulder, Boulder, CO 80302, USA University of California at San Diego, La Jolla, CA 92093, USA

会议类型: 国际会议

会议名称: The 24th Chinese Control and Decision Conference (第24届中国控制与决策学术年会 2012 CCDC)

会议地点: 太原

会议语种:英文

页码: 3545-3550

在线出版日期: 2012-05-23（万方平台首次上网日期，不代表论文的发表时间）