Hard Disk Drive Servo Systems (Advances In Industrial Control)

Book Description

The second edition of this monograph provides a systematic treatment of the design of modern hard disk drive servo systems updated with the latest research results to reflect recent improvements in spindle speed and bit density and other changes in this fast-moving field. In particular, it focuses on the applications of some newly developed results in control theory, i.e., robust and perfect tracking control and composite non-linear feedback control which are suitable for track following and seeking respectively. Emphasis is placed on hard disk drive servo systems with single- or dual-stage actuation using a voice-coil-motor actuator enhanced in the latter case by the addition of a micro-actuator providing faster responses and therefore higher bandwidth in track following. Other issues such as modeling and compensation of nonlinearities and friction in microdrives, disturbance rejection and resonance compensation are also addressed.

The techniques and applications involved include:

time- and frequency domain methods for system identification;
physical effect approaches for parameter identification;
linear systems tools;
linear control techniques (PID, H ₂, H-infinity, and other robust control methods);
classical nonlinear control techniques (time-optimal, proximate time-optimal, and mode switching control);
composite nonlinear feedback (CNF) control;
complete single- and dual-stage hard disk drive servo systems;
time- and frequency domain properties of hard disk drive servo systems;
design of piezoelectric actuator systems;
modeling and compensation of nonlinearities and friction in microdrives.

Hard Disk Drive Servo Systems will be of great value to practicing engineers in the hard disk and CD-ROM drive industries and to researchers in areas related to servo systems. The Linear Systems and CNF MATLAB ^Â® toolkits used to develop many of the results in this book can be downloaded from Professor Chenâ€™s website.

Performance Evaluation and Benchmarking with Realistic Applications

Average customer rating:

Highly academic with excellent theoretical insights

Performance Evaluation and Benchmarking with Realistic Applications

Manufacturer: The MIT Press
ProductGroup: Book
Binding: Hardcover

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ASIN: 0262050668

Book Description

Performance evaluation and benchmarking are of concern to all computer-related disciplines. A benchmark is a standard program or set of programs that can be run on different computers to give an accurate measure of their performance. This book covers a variety of aspects of computer performance evaluation, with a focus on Standard Performance Evaluation Corporation (SPEC) benchmarks. SPEC is a nonprofit organization whose members represent industry, academia, and other organizations. The book discusses rationales for creating and updating benchmarks, the use of benchmarks in academic research, benchmarking methodologies, the relation of SPEC benchmarks to other benchmarking activities, shortcomings of current benchmarks, and the need for further benchmarking efforts.

Contributors
Brian Armstrong, Frederica Darema, Edward S. Davidson, Sylvia Dieckmann, Jozo J. Dujmovic, Rudolf Eigenmann, J. Kelly Flanagan, Greg Gaertner, Jonathan Geisler, John Gustafson, Urs Hölzle, Shih-Hao Hung, Kathryn S. McKinley, Reinhard Riedl, Faisal Saied, Frank Sorenson, Mark Straka, Valerie Taylor, Olivier Temam, Rajat Todi, Reinhold Weicker.

Customer Reviews:

Highly academic with excellent theoretical insights.......2001-09-15

The six chapters in this book contain two introductory papers and 11 technical papers on benchmarking in general. Each paper is written by one or more authors, making this a compendium of current research. Most of the book is slanted towards methods associated with Standard Performance Evaluation Corporation (SPEC) benchmarking. The central theme is the creation and management of benchmarks for computer performance, and some of the challenges faced by the creators and maintainers to ensure the validity and accuracy of the benchmarks.

Chapter 1 is an overview of the book, discusses related work and provides brief insights on performance evaluations in the real world. Chapter 2 introduces SPEC and current issues, and moves into a second paper on performance evaluation of large-scale systems. The most theoretical chapter, 3, devotes two papers to SPEC benchmarks in the research environment.

To give an indication of how esoteric this chapter is, one of the papers is titled "The Allocation Behavior of the SPECjvm98 Java Benchmarks". This is the stuff of pure research; however, the discussion yields conclusions that can be used by development companies, particularly in the quality and architecture domains. Chapter 4 stands out as the most practical for real world applicability. It covers tools and methodologies for benchmarking and performance evaluation, with one paper devoted to a framework that can be applied to parallel applications, and the second paper in the chapter addressing performance coupling through case studies for measuring interactions of kernals. Large development organizations will find much useful information here. The final two chapters are a blend of theoretical and practical, with chapter 5 addressing related benchmarking efforts and chapter 6 devoted to needs for new benchmarks.

The material is well researched; reading through it is somewhat ponderous. However, if you are involved in the creation of performance benchmarks, regardless of whether you intend to use SPEC or related models, this book will prove valuable. If you are seeking information on performance benchmarking in an operational environment this book may be too theoretical. As someone who is on the operational side, but with an interest in theoretical and academic works I found this book to be interesting, but not particularly useful. On the other hand, there is much in this book that *can* be directly applied by those who design, develop or verify and validate benchmarks. Moreover, this book represents the some of the latest research findings and thoughts (as I write this in Sep 2001) in this highly specialized field, making it invaluable to the right audience.

Average customer rating:
Performance Evaluation and Benchmarking

Manufacturer: CRC
ProductGroup: Book
Binding: Hardcover

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ASIN: 0849336228

Book Description

Computer and microprocessor architectures are advancing at an astounding pace. However, increasing demands on performance coupled with a wide variety of specialized operating environments act to slow this pace by complicating the performance evaluation process. Carefully balancing efficiency and accuracy is key to avoid slowdowns, and such a balance can be achieved with an in-depth understanding of the available evaluation methodologies. Performance Evaluation and Benchmarking outlines a variety of evaluation methods and benchmark suites, considering their strengths, weaknesses, and when each is appropriate to use. Following a general overview of important performance analysis techniques, the book surveys contemporary benchmark suites for specific areas, such as Java, embedded systems, CPUs, and Web servers. Subsequent chapters explain how to choose appropriate averages for reporting metrics and provide a detailed treatment of statistical methods, including a summary of statistics, how to apply statistical sampling for simulation, how to apply SimPoint, and a comprehensive overview of statistical simulation. The discussion then turns to benchmark subsetting methodologies and the fundamentals of analytical modeling, including queuing models and Petri nets. Three chapters devoted to hardware performance counters conclude the book. Supplying abundant illustrations, examples, and case studies, Performance Evaluation and Benchmarking offers a firm foundation in evaluation methods along with up-to-date techniques that are necessary to develop next-generation architectures.

Performance Evaluation of Complex Systems: Techniques and Tools: Performance 2002. Tutorial Lectures (Lecture Notes Series)

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Performance Evaluation of Complex Systems: Techniques and Tools: Performance 2002. Tutorial Lectures (Lecture Notes Series)
Maria Carla Calzarossa
Manufacturer: Springer-Verlag
ProductGroup: Book
Binding: Paperback

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ASIN: 3540442529

Book Description

This book presents the tutorial lectures given by leading experts in the area at the IFIP WG 7.3 International Symposium on Computer Modeling, Measurement and Evaluation, Performance 2002, held in Rome, Italy in September 2002.The survey papers presented are devoted to theoretical and methodological advances in performance and reliability evaluation as well as new perspectives in the major application fields. Modeling and verification issues, solution methods, workload characterization, and benchmarking are addressed from the methodological point of view. Among the applications dealt with are hardware and software architectures, wired and wireless networks, grid environments, Web services, and real-time voice and video processing.This book is intended to serve as a state-of-the-art survey and reference for students, scientists, and engineers active in the area of performance and reliability evaluation.

Hardware and Software, Verification and Testing: Second International Haifa Verification Conference, HVC 2006, Haifa, Israel, October 23-26, 2006, Revised ... Papers (Lecture Notes in Computer Science)

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Hardware and Software, Verification and Testing: Second International Haifa Verification Conference, HVC 2006, Haifa, Israel, October 23-26, 2006, Revised ... Papers (Lecture Notes in Computer Science)

Manufacturer: Springer
ProductGroup: Book
Binding: Paperback

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General | Computers & Internet | Subjects | Books
ASIN: 354070888X

Book Description

This book constitutes the thoroughly refereed post-proceedings of the Second International Haifa Verification Conference, HVC 2006, held in Haifa, Israel, in October 2006.

The 15 revised full papers presented together with 2 invited lectures were carefully reviewed and selected from 33 submissions. The papers are organized in three topical tracks on hardware verification technologies and methodologies, software testing, and tools for hardware verification and software testing.

Process Control Performance Assessment: From Theory to Implementation (Advances in Industrial Control)

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Process Control Performance Assessment: From Theory to Implementation (Advances in Industrial Control)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 1846286239

Book Description

Process Control Performance Assessment is a practical guide to the application of control benchmarking to real, complex, industrial processes. It presents commercial solutions as well as current and future techniques still under development and contains real full-scale-implementation industrial case studies from the oil and gas, power and chemical industries providing a hierarchical perspective on benchmarks. The effect of benchmarking and control tuning on process performance and revenue optimisation is demonstrated.

The most frequently occurring practical issues associated with implementing benchmarking algorithms in industrial processes are discussed in detailed and concise terms and guidelines given for avoiding common problems. The impact of problems like valve stiction and plant-wide disturbances on process performance is reviewed and methods for diagnosing causative fault conditions suggested.

The benefit of non-intrusive and intrusive benchmarking techniques for optimising control systems using performance assessment and diagnostic tools is the potential to enhance company operational economics through increased throughput and better product quality. The book is appropriate for industrial and academic control and process engineers who wish to learn about methods of benchmarking through directed study or self study.

Modelling Techniques for Business Process Re-engineering and Benchmarking (IFIP International Federation for Information Processing)

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Modelling Techniques for Business Process Re-engineering and Benchmarking (IFIP International Federation for Information Processing)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 0412789108

Book Description

Today enterprises must strive to improve their competitiveness in a changing environment. To reach this objective it is necessary for companies to evaluate their performances and to combine modelling, business process re-engineering and benchmarking techniques. This book demonstrates the successful combination and implementation of these various techniques.

Advanced Data Mining and Applications: First International Conference, ADMA 2005, Wuhan, China, July 22-24, 2005, Proceedings (Lecture Notes in Computer Science)

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Advanced Data Mining and Applications: First International Conference, ADMA 2005, Wuhan, China, July 22-24, 2005, Proceedings (Lecture Notes in Computer Science)

Manufacturer: Springer
ProductGroup: Book
Binding: Paperback

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ASIN: 354027894X

Book Description

This book constitutes the refereed proceedings of the First International Conference on Advanced Data Mining and Applications, ADMA 2005, held in Wuhan, China in July 2005.

The conference was focused on sophisticated techniques and tools that can handle new fields of data mining, e.g. spatial data mining, biomedical data mining, and mining on high-speed and time-variant data streams; an expansion of data mining to new applications is also strived for. The 25 revised full papers and 75 revised short papers presented were carefully peer-reviewed and selected from over 600 submissions. The papers are organized in topical sections on association rules, classification, clustering, novel algorithms, text mining, multimedia mining, sequential data mining and time series mining, web mining, biomedical mining, advanced applications, security and privacy issues, spatial data mining, and streaming data mining.

Advanced Data Mining and Applications: Third International Conference, ADMA 2007, Harbin, China, August 6-8, 2007 Proceedings (Lecture Notes in Computer Science)

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Advanced Data Mining and Applications: Third International Conference, ADMA 2007, Harbin, China, August 6-8, 2007 Proceedings (Lecture Notes in Computer Science)

Manufacturer: Springer
ProductGroup: Book
Binding: Paperback

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ASIN: 3540738703

Book Description

This book constitutes the refereed proceedings of the Third International Conference on Advanced Data Mining and Applications, ADMA 2007, held in Harbin, China in August 2007.

The 44 revised full papers and 15 revised short papers presented together with the abstract of 1 invited lecture were carefully reviewed and selected from about 200 submissions. The papers focus on advancements in data mining and peculiarities and challenges of real world applications using data mining. The major theme of the conference encompasses the innovative applications of data mining approaches to real-world problems that involve large data sets, incomplete and noisy data, or demand optimal solutions.

Formal Methods and Stochastic Models for Performance Evaluation: Fourth European Performance Engineering Workshop, EPEW 2007, Berlin, Germany, September ... (Lecture Notes in Computer Science)

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Formal Methods and Stochastic Models for Performance Evaluation: Fourth European Performance Engineering Workshop, EPEW 2007, Berlin, Germany, September ... (Lecture Notes in Computer Science)

Manufacturer: Springer
ProductGroup: Book
Binding: Paperback

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ASIN: 3540752102

Book Description

This book constitutes the refereed proceedings of the 4th European Performance Engineering Workshop, EPEW 2007, held in Berlin, Germany, September 27-28, 2007.

The 20 revised full papers presented were carefully reviewed and selected from 53 submissions. The papers are organized in topical sections on Markov Chains, Process Algebra, Wireless Networks, Queueing Theory and Applications of Queueing, Benchmarking and Bounding, Grid and Peer-to-Peer Systems.

Customer Reviews:

A very amusing memoir .......2005-07-17

____________________________________________
Let us join Dr. Stegner as he escorts a group of California college kids
on a river-trip in the Four Corners country of Utah. They arrive at the
put-in:

Magnificent, towering walls, sandy beaches, hot sun and smooth
rock, cottonwoods - the San Juan is distinctly a mellow experience.

"Except that we've got a problem," Bud says, coming out of the
campfire light where he has been overseeing the preparation of supper.
"We've got five vegetarians aboard. They're caucusing right now about
what they delicately describe as the 'nutritional inadequacy' of our
commissary. They want to go into Blanding and buy tofu."

"Tofu! Blanding is thirty miles... and they're not going to find
tofu in Blanding. Tofu?"

Prof. Stegner urges cool heads and common sense, but an angry
spokeswoman steps forward:

She is one of the smokers on the trip - she and a frail asthmatic
kid everyone calls "F*ckin'-A Fred". Chanterelle looks a lot like the
mushroom she is named after: flat-headed and short-necked, shoulders
like a nose tackle, no waist, no hips, no glutes. All stem from the
armpits down. "What kind of beans are they?", she says, letting me
know by her inflection that I am about to learn something.

Chanterelle produces the empty #10 can and holds it up for
inspection. "Have you read the label? Ranch beans! " she intones.
"Cooked in pork by-products!"

Great God. Skewered. I can only shrug, walk away, hope
everyone recognises a Mexican standoff. Badges? We don't need no
stinking badges. Anyway, this is Professor Pshaw's problem, not mine.
"Where is Pshaw?" I ask Bud. "In our hour of travail."

"At the Recapture Lodge in Bluff."

"Doing what?"

"Lodging. He said he's slept on the ground before."

* * *

Next are three tales from Prof. Stegner's carefree hippie youth, tales that
are

...my tribute to those earlier days when it was still possible to
entertain the illusion of rugged independence... None of the names
have been changed to protect the guileless, chuckle-headed innocents
who participated in the search for a free lunch in Eden (down, Fang),
and none of the details have been embellished - much...

We had a little meeting, drank a little whiskey, and formed the As
Is Cattleman's Association of Santa Cruz County. Two middle-aged
writers, a professor of American Literature, and a mick mathematician...

We met at the ranch for what our jester, Forrest Robinson, keeps
referring to as "the roundup". "Man, I'm telling you," Robinson says,
"If five men and two boys can't catch one lousy calf before it's time
for the champagne brunch, then we ought to hang up our spurs."

Yes, patient reader, we have heard that line before. I am going to
spare you the details of the chase, the forty man-hour/sixteen boy-hour
chase, up and down the mountainsides of coastal California, over fences,
thru tangled brush and swollen creek, thru the gumbo mud of hillside
winter pasture...

The rest of the book's pretty good too. Ed Abbey liked it, and so will you:

At a time when most of our so-called nature writers have become
a bleating flock of timid temporizing equivocating castrated fence-
straddling high-minded low-bellied wide-assed gutless spineless vapid
tepid insipid poetical rhapsodical cosmical moral banana slugs, it is a
shocking pleasure to encounter a real book written by a real writer.

Review copyright ©1996 Peter D. Tillman

Average customer rating:

Outposts of Eden
Page Stenger
Manufacturer: Sierra Club Books
ProductGroup: Book
Binding: Hardcover
ASIN: B000ND3SW6

Outposts of Eden, A Curmudgeon at Large in the American West

Average customer rating:

Outposts of Eden, A Curmudgeon at Large in the American West
Page Stegner
Manufacturer: San Francisco: Sierra Club Books, 1989,
ProductGroup: Book
Binding: Hardcover
ASIN: B000OM8TYI

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