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This book addresses the various challenges and open questions relating to CAN communication networks. Opening with a short introduction into the fundamentals of CAN, the book then examines the problems and solutions for the physical layout of networks, including EMC issues and topology layout. Additionally, a discussion of quality issues with a particular focus on test techniques is presented. Each chapter features a collection of illuminating insights and detailed technical information supplied by a selection of internationally-regarded experts from industry and academia. Features: presents thorough coverage of architectures, implementations and application of CAN transceiver, data link layer and so-called higher layer software; explains CAN EMC characteristics and countermeasures, as well as how to design CAN networks; demonstrates how to practically apply and test CAN systems; includes examples of real networks from diverse applications in automotive engineering, avionics, and home heating technology.
Contins important information for technical rescue members, training officers, and fire company members. Details the risks involved in elevator and escalator rescues and how to face them correctly.
Skyscrapers may be our most powerful tool in providing dense, energy-efficient living for a rapidly urbanizing population, but this typology faces certain limitations inherent to its traditional form, namely, the lack of interplay between tower, urban context, and community. Through a historical overview, case study analysis, and a series of design considerations, this report explores how ropeless and multidirectional elevator technologies can enable cities to be more interconnected, efficient, and accessible.Running on a series of seamless loops, and powered by magnetic levitation, ropeless and multidirectional elevator cabins could follow a multiplicity of routes within a given building, not only reducing the quantity of shafts needed and increasing rentable area, but also allowing elevators more options in terms of where they stop across a building's dimensions. When paired with skybridges and "skyspaces," at-height services and communities could be easily linked with one another, bolstering the critical link between a piece of architecture and the urban sphere, while combating some of the insularity endemic to skyscrapers.This Research Report is the product of two years of research by the CTBUH Research Office in Venice, CTBUH Staff, professionals in the field, and a research team of architecture and supporting academic advisors. It is part of a series of research reports that offer insight into specific areas of skyscraper research, offering a wealth of knowledge essential for industry professionals, academic researchers and all others interested in the relationship between skyscrapers and urban habitat.
The practical constraints and considerations of the underlying engineering are also indicated."--BOOK JACKET.
This volume presents papers on the topics covered at the National Academy of Engineering's 2017 US Frontiers of Engineering Symposium. Every year the symposium brings together 100 outstanding young leaders in engineering to share their cutting-edge research and innovations in selected areas. The 2017 symposium was held September 25-27 at the United Technologies Research Center in East Hartford, Connecticut. The intent of this book is to convey the excitement of this unique meeting and to highlight innovative developments in engineering research and technical work.
As the digital economy changes the rules of the game for enterprises, the role of software and IT architects is also transforming. Rather than focus on technical decisions alone, architects and senior technologists need to combine organizational and technical knowledge to effect change in their company’s structure and processes. To accomplish that, they need to connect the IT engine room to the penthouse, where the business strategy is defined. In this guide, author Gregor Hohpe shares real-world advice and hard-learned lessons from actual IT transformations. His anecdotes help architects, senior developers, and other IT professionals prepare for a more complex but rewarding role in the enterprise. This book is ideal for: Software architects and senior developers looking to shape the company’s technology direction or assist in an organizational transformation Enterprise architects and senior technologists searching for practical advice on how to navigate technical and organizational topics CTOs and senior technical architects who are devising an IT strategy that impacts the way the organization works IT managers who want to learn what’s worked and what hasn’t in large-scale transformation
Elevators move large numbers of people up and down each day, mostly without incident, thanks to a strongly developed system of safety measures and the work of highly trained and experienced professionals. In performing elevator maintenance and repair, there are numerous technical factors, not to mention huge moral and legal issues. Workers need to fully understand proper maintenance procedures so that all safeguards remain in effect. It's also essential to be aware of applicable regulations, and to maintain compliance at all times. For those serious about engaging in elevator work, the appropriate licenses must be acquired--an electrician's license and elevator mechanic's license. These are not achieved overnight. This work covers everything a student or current technician needs to know to perform elevator diagnosis, maintenance, troubleshooting, and repair, and details all the knowledge a technician must have to properly service elevators in various situations. It is also the only work that includes helpful questions and corresponding answers for those who are studying to obtain their elevator mechanic's license. Features Offers sample certification questions and answers for those looking to get their Elevator Mechanic's license. Places an emphasis on safety interlocks and the elevator system as a whole. Includes a history of elevators to give readers perspective on the industry and advancements in technology to date. Written by a renowned electrician with regular columns and contributions in Elevator World and Electrical Construction and Maintenance magazines.
This new edition of a one-of-a-kind handbook provides an essential updating to keep the book current with technology and practice. New coverage of topics such as machine-room-less systems and current operation and control procedures, ensures that this revision maintains its standing as the premier general reference on vertical transportation. A team of new contributors has been assembled to shepherd the book into this new edition and provide the expertise to keep it up to date in future editions. A new copublishing partnership with Elevator World Magazine ensures that the quality of the revision is kept at the highest level, enabled by Elevator World's Editor, Bob Caporale, joining George Strakosch as co-editor.