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Feedback Control for Computer Systemsby Philipp K. Janert
Synopses & Reviews
How can you take advantage of feedback control for enterprise programming? With this book, author Philipp K. Janert demonstrates how the same principles that govern cruise control in your car also apply to data center management and other enterprise systems. Through case studies and hands-on simulations, youll learn methods to solve several control issues, including mechanisms to spin up more servers automatically when web traffic spikes.
Feedback is ideal for controlling large, complex systems, but its use in software engineering raises unique issues. This book provides basic theory and lots of practical advice for programmers with no previous background in feedback control.
Control theory has applications to everything from cloud computing to supply chain management. It's an amazingly important tool--and people have few accessible texts on it to learn from. "Feedback Control" will teach programmers how to apply concepts and methods from control theory to problems common in enterprise programming and data center management.
About the Author
Philipp K. Janert was born and raised in Germany. He obtained aPh.D. in Theoretical Physics from the University of Washington in 1997and has been working in the tech industry since, including four yearsat Amazon.com, where he initiated and led several projects to improveAmazon's order fulfillment process. He is the author of two books ondata analysis, including the best-selling "Data Analysis with OpenSource Tools" (O'Reilly, 2010), and his writings have appeared onPerl.com, IBM developerWorks, IEEE Software, and in the LinuxMagazine. He has contributed to CPAN and other open-sourceprojects. He lives in the Pacific Northwest.
Table of Contents
PrefaceFoundationsChapter 1: Why Feedback? An InvitationChapter 2: Feedback SystemsChapter 3: System DynamicsChapter 4: ControllersChapter 5: Identifying Input and Output SignalsChapter 6: Review and OutlookPracticeChapter 7: Theory PreviewChapter 8: Measuring the Transfer FunctionChapter 9: PID TuningChapter 10: Implementation IssuesChapter 11: Common Feedback ArchitecturesCase StudiesChapter 12: Exploring Control Systems Through SimulationChapter 13: Case Study: Cache Hit RateChapter 14: Case Study: Ad DeliveryChapter 15: Case Study: Scaling Server InstancesChapter 16: Case Study: Waiting-Queue ControlChapter 17: Case Study: Cooling Fan SpeedChapter 18: Case Study: Controlling Memory Consumption in a Game EngineChapter 19: Case Study Wrap-UpTheoryChapter 20: The Transfer FunctionChapter 21: Block-Diagram Algebra and the Feedback EquationChapter 22: PID ControllersChapter 23: Poles and ZerosChapter 24: Root Locus TechniquesChapter 25: Frequency Response and the Bode PlotChapter 26: Topics Beyond This BookAppendicesGlossaryCreating Graphs with GnuplotComplex NumbersFurther ReadingColophon
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