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Electrical Actuators
The different chapters of this book cover a large range of information regarding electrical actuators, including: synchronous and asynchronous machine modeling in order to measure and identify offline and online parameters using modern optimization methods; identification in real time of parameters with Luenberger filter and the extended Kalman filter; estimation of non-measurable variables, first by linear estimates and observers, then by lower observers. Robustness is a very problematic issue, as well, which is fully explored in a chapter dedicated to the subject. Finally, the estimate of non-measurable mechanical variables is particularly dealt with: estimate of load moment, then observation of the positioning of a command without mechanical sensor. The conditions to measure variables and real implementation of numerical algorithms are also examined with particular attention.
Machines Asynchrones
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Direct Eigen Control for Induction Machines and Synchronous Motors
Clear presentation of a new control process applied to induction machine (IM), surface mounted permanent magnet synchronous motor (SMPM-SM) and interior permanent magnet synchronous motor (IPM-SM) Direct Eigen Control for Induction Machines and Synchronous Motors provides a clear and consise explanation of a new method in alternating current (AC) motor control. Unlike similar books on the market, it does not present various control algorithms for each type of AC motor but explains one method designed to control all AC motor types: Induction Machine (IM), Surface Mounted Permanent Magnet Synchronous Motor (SMPM-SM) (i.e. Brushless) and Interior Permanent Magnet Synchronous Motor (IPM-SM). Thi...
Control of Synchronous Motors
Synchronous motors are indubitably the most effective device to drive industrial production systems and robots with precision and rapidity. Their control law is thus critical for combining at the same time high productivity to reduced energy consummation. As far as possible, the control algorithms must exploit the properties of these actuators. Therefore, this work draws on well adapted models resulting from the Park’s transformation, for both the most traditional machines with sinusoidal field distribution and for machines with non-sinusoidal field distribution which are more and more used in industry. Both, conventional control strategies like vector control (either in the synchronous reference frame or in the rotor frame) and advanced control theories like direct control and predictive control are thoroughly presented. In this context, a significant place is reserved to sensorless control which is an important and critical issue in tomorrow’s motors.
New Adventures in Language and Interaction
In this book sixteen international scholars of language and social interaction describe their distinct frameworks of analysis. Taking conversation analysis and interactional sociolinguistics as their points of departure and investigating ordinary conversation as well as institutions such as health care, therapy, and city council meetings, they often incorporate gesture, prosody, and the listener's behavior in the analysis of talk. While some approaches are grounded in a critique of the major schools of interaction analysis, others integrate the interactionist perspective with ideas from fields such as systemic-functional linguistics, distributed cognition, and the sociology of knowledge. Each chapter combines a statement of the terms and methods of analysis with an exemplary analysis of a moment of interaction. "New Adventures in Language and Interaction" gives an excellent overview of the novelty and diversity of interaction-focused perspectives on language and of the heterogeneity of approaches that have evolved from the pioneering work of Sacks and Schegloff, Gumperz, and their co-workers.
The Oxford Handbook of Linguistic Fieldwork
This book offers a state-of-the-art guide to linguistic fieldwork, reflecting its collaborative nature across the subfields of linguistics and disciplines such as astronomy, anthropology, biology, musicology, and ethnography. Experienced scholars and fieldworkers explain the methods and approaches needed to understand a language in its full cultural context and to document it accessibly and enduringly. They consider the application of new technological approaches to recording and documentation, but never lose sight of the crucial relationship between subject and researcher. The book is timely: an increased awareness of dying languages and vanishing dialects has stimulated the impetus for recording them as well as the funds required to do so. The handbook is an indispensible source, guide, and reference for everyone involved in linguistic and cultural work.
Handbook of the Sociology of Morality
Human beings necessarily understand their social worlds in moral terms, orienting their lives, relationships, and activities around socially-produced notions of right and wrong. Morality is sociologically understood as more than simply helping or harming others; it encompasses any way that individuals form understandings of what behaviors are better than others, what goals are most laudable, and what "proper" people believe, feel, and do. Morality involves the explicit and implicit sets of rules and shared understandings that keep human social groups intact. Morality includes both the "shoulds" and "should nots" of human activity, its proactive and inhibitive elements. At one time, sociologi...
Advanced Control of AC / DC Power Networks
The power engineering domain is facing huge challenges, with an increasing interest in intermittent renewable energies which are imposing major technical limitations. Operating ever closer to their limits, the industry-standard AC power grids are subject to instabilities. This book presents an insight into DC grid systems, offering interesting issues to well controlled power grids, in contrast to current AC systems which provide the simplest and most economic connection method for short distances.
Integration of Demand Response into the Electricity Chain
The concept of Demand Response (DR) generally concerns methodologies, technologies and commercial arrangements that could allow active participation of consumers in the power system operation. The primary aim of DR is thus to overcome the “traditional” inflexibility of electrical demand and, amongst others, create a new powerful tool to maximize deployment of renewable energy sources as well as provide active network management solutions to help reducing the impact of limited grid capabilities. DR allows consumers to actively participate in power system operation, thus bringing new opportunities in emerging energy markets as well as tangible system benefits. In this sense, DR is consider...
ISIE'96
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