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Titlebook: Digital Controller Implementation and Fragility; A Modern Perspective Robert S. H. Istepanian,James F. Whidborne Book 2001 Springer-Verlag

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发表于 2025-3-21 18:47:26 | 显示全部楼层 |阅读模式
书目名称Digital Controller Implementation and Fragility
副标题A Modern Perspective
编辑Robert S. H. Istepanian,James F. Whidborne
视频video
概述Presents the latest advances in the design methodologies and implementation issues of digital controller structures.Assembles a number of contributions from distinctive researchers working in these ar
丛书名称Advances in Industrial Control
图书封面Titlebook: Digital Controller Implementation and Fragility; A Modern Perspective Robert S. H. Istepanian,James F. Whidborne Book 2001 Springer-Verlag
描述In the usual process of control system design, the assumption is made that the controller is implemented exactly. This assumption is usually reasonable, since clearly, the plant uncertainty is the most significant source of uncertainty in the control system, while controllers are implemented with high-precision hardware. However, inevitably, there will be some amount of uncertainty in the controller, a fact that is largely ignored in existing modern advanced robust control techniques. If the controller is implemented by analogue means, there are some tolerances in the analogue components. More commonly, the controller will be implemented digitally, and consequently there will be uncertainty involved with the quantization in the analogue-digital conversion and rounding in the parameter representation and in the numerical computations. A failure to account for these uncertainties in the controller may result in a controller that is "fragile". A controller is fragile in the sense that very small perturbations in the coefficients of the designed controller destabilize the closed-loop control system..This book collects a number of articles which consider the problems of finite-precision
出版日期Book 2001
关键词Hardware; algorithms; complexity; control; control system; development; fuzzy control; fuzzy controller; ide
版次1
doihttps://doi.org/10.1007/978-1-4471-0265-6
isbn_softcover978-1-4471-1082-8
isbn_ebook978-1-4471-0265-6Series ISSN 1430-9491 Series E-ISSN 2193-1577
issn_series 1430-9491
copyrightSpringer-Verlag London 2001
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发表于 2025-3-21 20:51:26 | 显示全部楼层
https://doi.org/10.1007/978-3-531-18697-9m design and regulator implementation are discussed. Finally, the identification of discrete time models under fast sampling and limited measurements accuracy is described. It is then shown that the identification accuracy of the shift operator and delta operator models is comparable. Considerations are illustrated by examples and simulations.
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Kirche und Konfessionslosigkeitparsing algorithms are presented, one of which is shown to rely purely on linear optimisation methods. Numerical issues associated with the algorithms are discussed and illustrated by means of an example.
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Stability Margins and Digital Implementation of Controllers, sampling frequency increases and b) that the actual hybrid system may exhibit unstable inter-sample behaviour even though the discrete time stability margin of the digital controller may be large especially at low sampling frequencies. These examples raise a number of issues related to digital implementation of controllers.
发表于 2025-3-22 18:43:00 | 显示全部楼层
Finite Word-Length Effects in Systems with Fast Sampling,m design and regulator implementation are discussed. Finally, the identification of discrete time models under fast sampling and limited measurements accuracy is described. It is then shown that the identification accuracy of the shift operator and delta operator models is comparable. Considerations are illustrated by examples and simulations.
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On the Structure of Digital Controllers in Sampled-Data Systems with Stability Consideration,ch a realisation that not only yields a good stability robustness but also possesses as many trivial parameters (such as 0, ±1) as possible. An algorithm is developed for finding sparse realisations of nice stability behaviour.
发表于 2025-3-23 08:21:39 | 显示全部楼层
Robust Resilient Controller Design,system uncertainty, they are extremely fragile with respect to errors in the controller coefficients. In this chapter, we extend the robust fixed-structure controller synthesis approach to develop controllers which are robust to system uncertainties and non-fragile or . to controller gain variations.
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