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The new edition of the leading single-volume resource on designing, operating, and managing mission critical infrastructure Maintaining Mission Critical Systems in a 24/7 Environment provides in-depth coverage of operating, managing, and maintaining power quality and emergency power systems in mission critical facilities. This extensively revised third edition provides invaluable insight into the mission critical environment, helping professionals and students alike understand how to sustain continuous functionality, minimize the occurrence of costly unexpected downtime, and guard against power disturbances that can damage any organization's daily operations. Bridging engineering, operations, technology, and training, this comprehensive volume covers each component of specialized systems used in mission critical infrastructures worldwide. Throughout the text, readers are provided the up-to-date information necessary to design and analyze mission critical systems, reduce risk, comply with current policies and regulations, and maintain an appropriate level of reliability based on a facility's risk tolerance. Topics include safety, fire protection, energy security, and the myriad challenges and issues facing industry engineers today. Emphasizing business resiliency, data center efficiency, cyber security, and green power technology, this important volume: Features new and updated content throughout, including new chapters on energy security and on integrating cleaner and more efficient energy into mission critical applications Defines power quality terminology and explains the causes and effects of power disturbances Provides in-depth explanations of each component of mission critical systems, including standby generators, raised access floors, automatic transfer switches, uninterruptible power supplies, and data center cooling and fuel systems Contains in-depth discussion of the evolution and future of the mission critical facilities industry Includes PowerPoint presentations with voiceovers and a digital/video library of information relevant to the mission critical industry Maintaining Mission Critical Systems in a 24/7 Environment is a must-read reference and training guide for architects, property managers, building engineers, IT professionals, data center personnel, electrical & mechanical technicians, students, and others involved with all types of mission critical equipment.
The latest tested and proven strategies to maintain business resiliency and sustainability for our ever-growing global digital economy Here is a comprehensive study of the fundamentals of mission critical systems, which are designed to maintain ultra-high reliability, availability, and resiliency of electrical, mechanical, and digital systems and eliminate costly downtime. Readers learn all the skills needed to design, fine tune, operate, and maintain mission critical equipment and systems. Practical in focus, the text helps readers configure and customize their designs to correspond to their organizations' unique needs and risk tolerance. Specific strategies are provided to deal with a wide range of contingencies from power failures to human error to fire. In addition, the author highlights measures that are mandated by policy and regulation. The author of this text has worked in mission critical facilities engineering for more than twenty years, serving clients in banking, defense, utilities, energy, and education environments. His recommendations for maintaining essential operations are based on firsthand experience of what works and what does not. Most chapters in this text concentrate on an individual component of the mission critical system, including standby generators, automatic transfer switches, uninterruptible power supplies, and fuel, fire, and battery systems. For each component, the author sets forth applications, available models, design choices, standard operating procedures, emergency action plans, maintenance procedures, and applicable codes and standards. Extensive use of photographs and diagrams illustrates how individual components and integrated systems work. With the rapid growth of e-commerce and 24/7 business operations, mission critical systems have moved to the forefront of concerns among both private and public operations. Facilities engineers, senior administrators, and business continuity professionals involved in information technology and data center design should consult this text regularly to ensure they have done everything they can to protect and sustain their operations to reduce human error, equipment failures, and other critical events. Adapted from material the author has used in academic and professional training programs, this guide is also an ideal desktop reference and textbook.
The Model Rules of Professional Conduct provides an up-to-date resource for information on legal ethics. Federal, state and local courts in all jurisdictions look to the Rules for guidance in solving lawyer malpractice cases, disciplinary actions, disqualification issues, sanctions questions and much more. In this volume, black-letter Rules of Professional Conduct are followed by numbered Comments that explain each Rule's purpose and provide suggestions for its practical application. The Rules will help you identify proper conduct in a variety of given situations, review those instances where discretionary action is possible, and define the nature of the relationship between you and your clients, colleagues and the courts.
The essential introduction to the principles and applications of feedback systems—now fully revised and expanded This textbook covers the mathematics needed to model, analyze, and design feedback systems. Now more user-friendly than ever, this revised and expanded edition of Feedback Systems is a one-volume resource for students and researchers in mathematics and engineering. It has applications across a range of disciplines that utilize feedback in physical, biological, information, and economic systems. Karl Åström and Richard Murray use techniques from physics, computer science, and operations research to introduce control-oriented modeling. They begin with state space tools for analysis and design, including stability of solutions, Lyapunov functions, reachability, state feedback observability, and estimators. The matrix exponential plays a central role in the analysis of linear control systems, allowing a concise development of many of the key concepts for this class of models. Åström and Murray then develop and explain tools in the frequency domain, including transfer functions, Nyquist analysis, PID control, frequency domain design, and robustness. Features a new chapter on design principles and tools, illustrating the types of problems that can be solved using feedback Includes a new chapter on fundamental limits and new material on the Routh-Hurwitz criterion and root locus plots Provides exercises at the end of every chapter Comes with an electronic solutions manual An ideal textbook for undergraduate and graduate students Indispensable for researchers seeking a self-contained resource on control theory
Proven strategies for getting hired as an IT professional This practical guide for developing winning interviewing skills has been fully updated and revised to focus on today's most sought-after IT jobs. Go behind the scenes of the IT interview process and get inside the mind of potential employers. You'll find out how to make a great first impression and stand out from the competition. Ace the IT Interview features hundreds of questions that are likely to come up on your next technical interview along with key points to include in your answers so you can practice your responses based on your strengths and experience. Present yourself as a truly valuable IT professional and get a great job with help from this real-world guide. Understand the hiring manager's perspective Create a first-rate resume that highlights your skills Get past gatekeepers and get the interviews you want Make a great first impression and stand out in the crowd Master sticky questions about your work history Prepare for different types of interview settings, including telephone and video-conference interviews Ask intelligent, relevant questions Ace the interview follow-up Evaluate your offers, negotiate salary, and close the deal
Introduction to Business covers the scope and sequence of most introductory business courses. The book provides detailed explanations in the context of core themes such as customer satisfaction, ethics, entrepreneurship, global business, and managing change. Introduction to Business includes hundreds of current business examples from a range of industries and geographic locations, which feature a variety of individuals. The outcome is a balanced approach to the theory and application of business concepts, with attention to the knowledge and skills necessary for student success in this course and beyond.
Safety Critical Systems Handbook: A Straightfoward Guide to Functional Safety, IEC 61508 (2010 Edition) and Related Standards, Including Process IEC 61511 and Machinery IEC 62061 AND ISO 13849, Third Edition, offers a practical guide to the functional safety standard IEC 61508. The book is organized into three parts. Part A discusses the concept of functional safety and the need to express targets by means of safety integrity levels. It places functional safety in context, along with risk assessment, likelihood of fatality, and the cost of conformance. It also explains the life-cycle approach, together with the basic outline of IEC 61508 (known as BS EN 61508 in the UK). Part B discusses functional safety standards for the process, oil, and gas industries; the machinery sector; and other industries such as rail, automotive, avionics, and medical electrical equipment. Part C presents case studies in the form of exercises and examples. These studies cover SIL targeting for a pressure let-down system, burner control system assessment, SIL targeting, a hypothetical proposal for a rail-train braking system, and hydroelectric dam and tidal gates. The only comprehensive guide to IEC 61508, updated to cover the 2010 amendments, that will ensure engineers are compliant with the latest process safety systems design and operation standards Helps readers understand the process required to apply safety critical systems standards Real-world approach helps users to interpret the standard, with case studies and best practice design examples throughout
Explains how companies must pinpoint business strategies to a few critically important choices, identifying common blunders while outlining simple exercises and questions that can guide day-to-day and long-term decisions.
Putting predictive models into production is one of the most direct ways that data scientists can add value to an organization. By learning how to build and deploy scalable model pipelines, data scientists can own more of the model production process and more rapidly deliver data products. This book provides a hands-on approach to scaling up Python code to work in distributed environments in order to build robust pipelines. Readers will learn how to set up machine learning models as web endpoints, serverless functions, and streaming pipelines using multiple cloud environments. It is intended for analytics practitioners with hands-on experience with Python libraries such as Pandas and scikit-learn, and will focus on scaling up prototype models to production. From startups to trillion dollar companies, data science is playing an important role in helping organizations maximize the value of their data. This book helps data scientists to level up their careers by taking ownership of data products with applied examples that demonstrate how to: Translate models developed on a laptop to scalable deployments in the cloud Develop end-to-end systems that automate data science workflows Own a data product from conception to production The accompanying Jupyter notebooks provide examples of scalable pipelines across multiple cloud environments, tools, and libraries (github.com/bgweber/DS_Production). Book Contents Here are the topics covered by Data Science in Production: Chapter 1: Introduction - This chapter will motivate the use of Python and discuss the discipline of applied data science, present the data sets, models, and cloud environments used throughout the book, and provide an overview of automated feature engineering. Chapter 2: Models as Web Endpoints - This chapter shows how to use web endpoints for consuming data and hosting machine learning models as endpoints using the Flask and Gunicorn libraries. We'll start with scikit-learn models and also set up a deep learning endpoint with Keras. Chapter 3: Models as Serverless Functions - This chapter will build upon the previous chapter and show how to set up model endpoints as serverless functions using AWS Lambda and GCP Cloud Functions. Chapter 4: Containers for Reproducible Models - This chapter will show how to use containers for deploying models with Docker. We'll also explore scaling up with ECS and Kubernetes, and building web applications with Plotly Dash. Chapter 5: Workflow Tools for Model Pipelines - This chapter focuses on scheduling automated workflows using Apache Airflow. We'll set up a model that pulls data from BigQuery, applies a model, and saves the results. Chapter 6: PySpark for Batch Modeling - This chapter will introduce readers to PySpark using the community edition of Databricks. We'll build a batch model pipeline that pulls data from a data lake, generates features, applies a model, and stores the results to a No SQL database. Chapter 7: Cloud Dataflow for Batch Modeling - This chapter will introduce the core components of Cloud Dataflow and implement a batch model pipeline for reading data from BigQuery, applying an ML model, and saving the results to Cloud Datastore. Chapter 8: Streaming Model Workflows - This chapter will introduce readers to Kafka and PubSub for streaming messages in a cloud environment. After working through this material, readers will learn how to use these message brokers to create streaming model pipelines with PySpark and Dataflow that provide near real-time predictions. Excerpts of these chapters are available on Medium (@bgweber), and a book sample is available on Leanpub.