Adaptive Inverse Control: A Signal Processing Approach, by Mohamed E. El?Hawary(eds.)

By Mohamed E. El?Hawary(eds.)

A self-contained advent to adaptive inverse control

Now that includes a revised preface that emphasizes the assurance of either keep watch over platforms and sign processing, this reissued version of Adaptive Inverse keep watch over takes a singular strategy that's not to be had in the other book.

Written by means of pioneers within the box, Adaptive Inverse keep an eye on offers tools of adaptive sign processing which are borrowed from the sector of electronic sign processing to resolve difficulties in dynamic structures regulate. This special approach permits engineers in either fields to percentage instruments and methods. truly and intuitively written, Adaptive Inverse keep watch over illuminates idea with an emphasis on useful purposes and common sense knowing. It covers: the adaptive inverse regulate idea; Weiner filters; adaptive LMS filters; adaptive modeling; inverse plant modeling; adaptive inverse keep watch over; different configurations for adaptive inverse regulate; plant disturbance canceling; process integration; Multiple-Input Multiple-Output (MIMO) adaptive inverse regulate platforms; nonlinear adaptive inverse keep an eye on structures; and more.

entire with a word list, an index, and bankruptcy summaries that consolidate the data provided, Adaptive Inverse keep an eye on is suitable as a textbook for complicated undergraduate- and graduate-level classes on adaptive keep watch over and in addition serves as a beneficial source for practitioners within the fields of regulate structures and sign processing.Content:
Chapter 1 The Adaptive Inverse regulate idea (pages 1–39):
Chapter 2 Wiener Filters (pages 40–58):
Chapter three Adaptive LMS Filters (pages 59–87):
Chapter four Adaptive Modeling (pages 88–110):
Chapter five Inverse Plant Modeling (pages 111–137):
Chapter 6 Adaptive Inverse keep watch over (pages 138–159):
Chapter 7 different Configurations for Adaptive Inverse keep an eye on (pages 160–208):
Chapter eight Plant Disturbance Canceling (pages 209–257):
Chapter nine procedure Integration (pages 258–269):
Chapter 10 Multiple?Input Multiple?Output (MIMO) Adaptive Inverse keep an eye on platforms (pages 270–302):
Chapter eleven Nonlinear Adaptive Inverse regulate (pages 303–329):
Chapter 12 friendly Surprises (pages 330–338):

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Extra info for Adaptive Inverse Control: A Signal Processing Approach, Reissue Edition

Example text

We begin with this design. Refer to Fig. 3. The digital filter has an input signal and it produces an output signal. This filter will be a Wiener filter if its impulse response is chosen to minimize mean square error. The error is defined as the difference between the filter output and the desired response: When working with Wiener filters, the desired response signal generally exists only conceptually. The statistical properties of the imagined desired response signal and the statistical relationship of this signal to the filter input signal are assumed to be known by the filter designer.

The entire control system then has a dynamic response like that of the reference model. This is modelreference adaptive inverse control. If the plant being controlled is subject to disturbance, the plant inverse may be obtained by adapting the inverse filter against a direct model of the plant instead of against the plant itself. Gradient noise in the weights of both the direct model and the inverse model affect the accuracy of the inverse model. Expressions are obtained for the variance of the error at the plant output due to noise in the inverse filter’s weights.

This subject is discussed in many papers [ 1-60], among them several by B. Widrow and co-authors. Adaptive filters are discussed at length in several textbooks such as Widrow and Steams [65], Haykin [69, 701 Cowan and Grant [71], and Treichler and colleagues [72]. The chapter begins with the idea of an adaptive filter, a tapped delay line with variable coefficients or tap weights driven by the LMS algorithm of Widrow and Hoff [73-771. This is a gradient algorithm based on the method of steepest descent.

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