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In this paper the problem of practical stabilization for a significant class of MIMO uncertain pseudo-linear and pseudo-quadratic systems, with additional bounded nonlinearities and/or bounded disturbances, is considered. By using the concept of majorant system, via Lyapunov approach, new fundamental theorems, from which derive explicit formulas to design state feedback control laws, with a possible imperfect compensation of nonlinearities and disturbances, are stated. These results guarantee a specified convergence velocity of the linearized system of the majorant system and a desired steady-state output for generic uncertainties and/or generic bounded nonlinearities and/or bounded disturbances.
In this book new results on controller design techniques
for the tracking of generic reference inputs are presented. They allow the
design of a controller for an uncertain process, either continuous or
discrete-time, without zeros, and with measurable state. The controller
guarantees that the control system is Type 1 and has the desired constant gain
and poles or that the control system tracks, with a specified maximum error and
with a specified maximum time constant, a generic reference with bounded
derivative (variation in the discrete-time case), also in the presence of a
generic disturbance with bounded derivative (variation). In addition, it is
considered the case in which the reference is known a priori.
The utility and the efficiency of the proposed methods are
illustrated with attractive and significant examples of motion control and temperature
This book is useful for the design of control systems,
especially for manufacturing systems, that are versatile, fast, precise and
Most American anthology and canon revision has focused on author and text selections but little on the anthology editorial apparatus. The following study responds to this gap by analyzing gender representation across prefaces and overviews of the Norton and Heath American anthologies (1979-2010). Through a combined rhetorical and corpus linguistic analysis, the study reveals disparate gender representation in these materials: women are increasingly mentioned over time, but men continue to emerge as individuals of importance while women are discussed primarily as a group. This examination suggests that the revisionist, feminist scrutiny of Norton and Heath inventory has not been brought to bear on the anthologies’ apparatus—and that discursive patterns therein remain largely invisible despite that they contradict efforts to revise gender bias in anthologies. In so doing, the study offers an exploratory analysis of new methods (combined linguistic and rhetorical analysis) and new sites (apparatus texts) for examining gender in canonical and pedagogical materials.