Anthony R. Fraser's Books

Perturbation Techniques for Flexible Manipulators

By: Anthony R. Fraser,Ron W. Daniel

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Perturbation Techniques for Flexible Manipulators

By: Anthony R. Fraser,Ron W. Daniel

A manipulator, or 'robot', consists of a series of bodies (links) connected by joints to form a spatial mechanism. Usually the links are connected serially to form an open chain. The joints are either revolute (rotary) or prismatic (telescopic), various combinations of the two giving a wide va riety of possible configurations. Motive power is provided by pneumatic, hydraulic or electrical actuation of the joints. The robot arm is distinguished from other active spatial mechanisms by its reprogrammability. Therefore, the controller is integral to any de scription of the arm. In contrast with many other controlled processes (e. g. batch reactors), it is possible to model the dynamics of a ma nipulator very accurately. Unfortunately, for practical arm designs, the resulting models are complex and a considerable amount of research ef fort has gone into improving their numerical efficiency with a view to real time solution [32,41,51,61,77,87,91]. In recent years, improvements in electric motor technology coupled with new designs, such as direct-drive arms, have led to a rapid increase in the speed and load-carrying capabilities of manipulators. However, this has meant that the flexibility of the nominally rigid links has become increasingly significant. Present generation manipulators are limited to a load-carrying capacity of typically 5-10% of their own weight by the requirement of rigidity. For example, the Cincinatti-Milicron T3R3 robot weighs more than 1800 kg but has a maximum payload capacity of 23 kg.

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Page Count

284

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1461539749

ISBN 13

9781461539742

Avoiding Common ICU Errors

By: Lisa Marcucci,Elizabeth A. Martinez,Elliott R. Haut,Anthony D. Slonim,Jose I. Suarez

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Avoiding Common ICU Errors

By: Lisa Marcucci,Elizabeth A. Martinez,Elliott R. Haut,Anthony D. Slonim,Jose I. Suarez

This pocket book succinctly describes 318 errors commonly made by attendings, residents, interns, nurses, and nurse-anesthetists in the intensive care unit, and gives practical, easy-to-remember tips for avoiding these errors. The book can easily be read immediately before the start of a rotation or used for quick reference on call. Each error is described in a short, clinically relevant vignette, followed by a list of things that should always or never be done in that context and tips on how to avoid or ameliorate problems. Coverage includes all areas of ICU practice except the pediatric intensive care unit.

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Page Count

908

Publisher

Lippincott Williams & Wilkins

Published Date

ISBN 10

1451178816

ISBN 13

9781451178814

Regulation

Legal Form and Economic Theory

By: Anthony I Ogus

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Regulation

Legal Form and Economic Theory

By: Anthony I Ogus

This is a reprint of Anthony Ogus' classic study of regulation,first published in the 1990s. It examines how, since the last decades of the twentieth century there have been fundamental changes in the relationship between the state and industry. With the aid of economic theory Anthony Ogus critically examines the ways in which public law has been adapted to the task of regulating industrial activity and provides a systematic overview of the theory and forms of social and economic regulation. In particular, he explores the reasons why governments regulate, for which, broadly speaking, two theoretical frameworks exist. First 'public interest' theories determine that regulation should aim to improve social and economic welfare. Second, 'economic' theories suggest that regulation should aim to satisfy the demands of private interests. The book also looks at the evolution of the forms of regulation in Britain, extending to the policies of privatization and deregulation which were so characteristic of the period. The author skilfully evaluates the advantages and disadvantages of the different forms of regulation, particularly in the light of the two theoretical frameworks, but also by involving an analysis of how firms respond to the various kinds of incentives and controls offered by government. A significant feature of the book is its analysis of the choices made by governments between the different forms of regulation and the influence exerted by interest groups (including bureaucrats) and EC law.

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Page Count

256

Publisher

Bloomsbury Publishing

Published Date

ISBN 10

1847316883

ISBN 13

9781847316882

Book's by Anthony R. Fraser

Perturbation Techniques for Flexible Manipulators

Perturbation Techniques for Flexible Manipulators

Avoiding Common ICU Errors

Avoiding Common ICU Errors

Regulation

Regulation

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