نتایج جستجو برای: control feedback system

تعداد نتایج: 3337779  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2009
rabeheh bahreini ramin bozorgmehry boozarjomehry

an adaptive input-output linearization method for general nonlinear systems is developed without using states of the system. another key feature of this structure is the fact that, it does not need model of the system. in this scheme, neurolinearizer has few weights, so it is practical in adaptive situations.  online training of neurolinearizer is compared to model predictive recurrent training...

2003
E. Witrant

The aim of this work is to analyse and describe some selected papers concerned with the use of predictive control in the context of time-delay systems. This note does not intend to be exhaustive but tries to point out some major developments that occurred in the last thirty years, and more specifically the use of a predicted state in a feedback control design, in order to locate our work in thi...

2005
Tryphon T. Georgiou Anders Lindquist

The purpose of this note is to highlight similarities and differences between two alternative methodologies for feedback control design under constraints on the McMillan degree of the feedback system. Both sets of techniques focus on uniformly optimal designs. The first is based on the work of Gahinet and Apkarian, and Skelton, Iwasaki, Grigoriades and their co-workers, while the other is based...

2004
Mranal Jain S. Lakshminarayanan

We present a new filter based method for the calculation of PI achievable performance for simple feedback control systems. We also extend this new approach to multiloop systems and address some key questions such as (a) what would be the performance with alternate loop pairing? (b) what performance improvement will accrue through the use of decouplers in multiloop control systems? Copyright  2...

K. Matin, M. G. Tafreshi, M. Sheikhzadeh,

The aim of this research is to design a controlling loop that eliminates the irregularities in yarn tension during the winding process. In order to achieve this, we employed a relative feedback industrial control system. The yarn tension sensor measures the tension. Its output is analyzed in the automatic controlling unit. This unit adjusts the tension level according to feedback signals, thus ...

2001
Gabor Karsai Gautam Biswas Tal Pasternak Sriram Narasimhan Gábor Péceli Gyula Simon Tamás Kovácsházy

Complex control applications require a capability for accommodating faults in the controlled plant. Fault accommodation involves the detection and isolation of faults, and taking an appropriate control action that mitigates the effect of the faults and maintains control. This requires the integration of fault diagnostics with control, in a feedback loop. This paper discusses how a generic frame...

2013
Joseph P. Cusumano Jonathan B. Dingwell

1. Motivation The Dynamic Walking community has rightly focused on the aspects of gait that can be modeled, predicted, and explained by the mechanics of multibody systems. Sensory feedback is assumed to play a role in walking, but generally via machine-like, relatively low-dimensional feedback control mechanisms in a virtually noise-free system. Human beings, however, are “perception-action” sy...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
ابوالفضل شایان کارشناس ارشد دانشگاه تهران داود حومنیان استادیار دانشگاه تهران حسین عابدینی پاریزی کارشناس ارشد دانشگاه تهران جمال فاضل کلخوران استادیار دانشگاه تهران

the aim of this study was to determine the interactional effects of various video shows (skilled and self-model) and feedback type on performance and learning of dart throwing skill. 90 volunteers were randomly divided into 6 groups including self-control, experimenter control and yoked feedback that received either skilled model or self-model. three groups who watched the skilled model observe...

1998
Pushkin Kachroo Hesham Rakha

This paper prcseirts aj'2edback contrd design for isolated ramp metering cmtrol. This feedback control design, i:nlike the existing isolated feedback ramp controllers, Glso ta1:es into account (he ramp queue length. Using a !ionlizmr Hm ;ontrol design methodology, we formulate ihe problem in the desired setting to be able to utilize the results of the methodolop.

Journal: :Automatica 1981
Brian D. O. Anderson David J. Clements

Algebraic characterizations are presented for the existence of fixed modes of a linear closed-loop system with decentralized feedback control. The class of controllers for whch tixed modes are present is extended beyond that currently known.

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