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Author: Andrzej M. Trzynadlowski Publisher: Springer Science & Business Media ISBN: 1461527309 Category : Technology & Engineering Languages : en Pages : 269
Book Description
The Field Orientation Principle was fIrst formulated by Haase, in 1968, and Blaschke, in 1970. At that time, their ideas seemed impractical because of the insufficient means of implementation. However, in the early eighties, technological advances in static power converters and microprocessor-based control systems made the high-performance a. c. drive systems fully feasible. Since then, hundreds of papers dealing with various aspects of the Field Orientation Principle have appeared every year in the technical literature, and numerous commercial high-performance a. c. drives based on this principle have been developed. The term "vector control" is often used with regard to these systems. Today, it seems certain that almost all d. c. industrial drives will be ousted in the foreseeable future, to be, in major part, superseded by a. c. drive systems with vector controlled induction motors. This transition has already been taking place in industries of developed countries. Vector controlled a. c. drives have been proven capable of even better dynamic performance than d. c. drive systems, because of higher allowable speeds and shorter time constants of a. c. motors. It should be mentioned that the Field Orientation Principle can be used in control not only of induction (asynchronous) motors, but of all kinds of synchronous motors as well. Vector controlled drive systems with the so called brushless d. c. motors have found many applications in high performance drive systems, such as machine tools and industrial robots.
Author: Andrzej M. Trzynadlowski Publisher: Springer Science & Business Media ISBN: 1461527309 Category : Technology & Engineering Languages : en Pages : 269
Book Description
The Field Orientation Principle was fIrst formulated by Haase, in 1968, and Blaschke, in 1970. At that time, their ideas seemed impractical because of the insufficient means of implementation. However, in the early eighties, technological advances in static power converters and microprocessor-based control systems made the high-performance a. c. drive systems fully feasible. Since then, hundreds of papers dealing with various aspects of the Field Orientation Principle have appeared every year in the technical literature, and numerous commercial high-performance a. c. drives based on this principle have been developed. The term "vector control" is often used with regard to these systems. Today, it seems certain that almost all d. c. industrial drives will be ousted in the foreseeable future, to be, in major part, superseded by a. c. drive systems with vector controlled induction motors. This transition has already been taking place in industries of developed countries. Vector controlled a. c. drives have been proven capable of even better dynamic performance than d. c. drive systems, because of higher allowable speeds and shorter time constants of a. c. motors. It should be mentioned that the Field Orientation Principle can be used in control not only of induction (asynchronous) motors, but of all kinds of synchronous motors as well. Vector controlled drive systems with the so called brushless d. c. motors have found many applications in high performance drive systems, such as machine tools and industrial robots.
Author: Richard Smith Publisher: Routledge ISBN: 1317927982 Category : Education Languages : en Pages : 369
Book Description
Enhanced and updated, this Fourth Edition of Richard E. Smith’s highly successful text examines the growing role of the principal in planning, hiring, staff development, supervision, and other human resource functions. The Fourth Edition includes new sections on ethics, induction, and the role of the mentor teacher. This edition also introduces "From the Desk of a Principal," a feature which connects the book’s content and applications to the experiences of real school principals.
Author: Lawrence F. Wolper Publisher: Jones & Bartlett Learning ISBN: 9780763731441 Category : Business & Economics Languages : en Pages : 994
Book Description
Health Care Administration continues to be the definitive guide to contemporary health administration and is a must-have reference for students and professionals. This classic text provides comprehensive coverage of detailed functional, technical, and organizational matters.
Author: Bessie L. Marquis Publisher: Lippincott Williams & Wilkins ISBN: 9780781772464 Category : Medical Languages : en Pages : 676
Book Description
Now in its Sixth Edition, this foremost leadership and management text incorporates application with theory and emphasizes critical thinking, problem solving, and decision making. More than 225 case studies and learning exercises promote critical thinking and interactive discussion. Case studies cover a variety of settings, including acute care, ambulatory care, long-term care, and community health. The book addresses timely issues such as leadership development, staffing, delegation, ethics and law, organizational, political, and personal power, management and technology, and more. Web links and learning exercises appear in each chapter. An Instructor's CD-ROM includes a testbank and PowerPoint slides.
Author: Juani Swart Publisher: Routledge ISBN: 1136397310 Category : Business & Economics Languages : en Pages : 400
Book Description
Each chapter in Human Resource Development provides the reader with commentary, activities and review sections in an integrated approach. The action-oriented approach is vital for practicing managers but increasingly for postgraduate and final year undergraduates who have work experience. It is this aspect of the book that fills a gap that currently exists in the market. This text reflects organizational realities and balances and integrates the coverage of individuals, teams and organizational learning.The book is written in a straightforward manner and explains concepts and key issues in a lucid style. The activities are focused and are better suited to encouraging readers to learn.
Author: Annette L. Breaux Publisher: ISBN: 9780962936043 Category : Education Languages : en Pages : 0
Book Description
Discusses the importance of training, supporting, and retaining new teachers, presents a step-by-step process for structuring an induction program, and features a list of replicable induction programs.
Author: David K. Hayes Publisher: John Wiley & Sons ISBN: 0470084804 Category : Business & Economics Languages : en Pages : 506
Book Description
This book approaches hospitality human resource (HR) management as a decision-making practice that affects the performance, quality, and legal compliance of the hospitality business as a whole. Beginning with a foundation in the hospitality industry, employment law, and HR policies, the coverage includes recruitment, training, compensation, performance appraisal, environmental and safety concerns, ethics and social responsibility, and special issues. Throughout the book, Human Resources Management in the Hospitality Industry focuses on the unique HR dilemmas you face in the hospitality industry.
Author: Andrzej M. Trzynadlowski
Author: Andrzej M. Trzynadlowski
Author: Richard Smith
Author: Lawrence F. Wolper
Author: Perfecto S. Sison
Author: Bessie L. Marquis
Author: 
Author: Juani Swart
Author: Annette L. Breaux
Author: David K. Hayes
Author: United States. Child Welfare Services