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Author : Yunfeng Li
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (34 download)
Download or read book Dual-stage Servo Control and Active Vibration Compensation in Magnetic Hard Disk Drives written by Yunfeng Li and published by . This book was released on 2003 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jiagen Ding
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (34 download)
Download or read book Digital Control of Dual Actuator Hard Disk Drive Systems written by Jiagen Ding and published by . This book was released on 2003 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Takashi Yamaguchi
Publisher : CRC Press
ISBN 13 : 1466555718
Total Pages : 337 pages
Book Rating : 4.4/5 (665 download)
Download or read book Advances in High-Performance Motion Control of Mechatronic Systems written by Takashi Yamaguchi and published by CRC Press. This book was released on 2017-12-19 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechatronic systems are used in a range of consumer products from large-scale braking systems in vehicular agents to small-scale integrated sensors in mobile phones. To keep pace in the competitive consumer electronics industry, companies need to continuously improve servo evaluation and position control of these mechatronic systems. Advances in High-Performance Motion Control of Mechatronic Systems covers advanced control topics for mechatronic applications. In particular, the book examines control systems design for ultra-fast and ultra-precise positioning of mechanical actuators in mechatronic systems. The book systematically describes motion control design methods for trajectory design, sampled-data precise positioning, transient control using switching control, and dual-stage actuator control. Each method is described in detail, from theoretical aspects to examples of actual industry applications including hard disk drives, optical disk drives, galvano scanners, personal mobility robots, and more. This helps readers better understand how to translate control theories and algorithms from theory to design and implementation in realistic engineering systems. The book also identifies important research directions and advanced control techniques that may provide solutions for the next generation of high-performance mechatronics. Bridging research and industry, this book presents state-of-the-art control design methodologies that are widely applicable to industries such as manufacturing, robotics, home appliances, automobiles, printers, and optical drives. It guides readers toward more effective solutions for high-performance mechatronic systems in their own products.
Author : Ben M. Chen
Publisher : Springer Science & Business Media
ISBN 13 : 1846283051
Total Pages : 320 pages
Book Rating : 4.8/5 (462 download)
Download or read book Hard Disk Drive Servo Systems written by Ben M. Chen and published by Springer Science & Business Media. This book was released on 2006-06-09 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Advances in Industrial Control aims to report and encourage technology transfer in control engineering. The rapid development of control technology has an impact on all areas of the control discipline. New theory, new controllers, actuators, sensors, new industrial processes, computer methods, new applications, new philosophies , new challenges. Much of this development work resides in industrial reports, feasibility study papers and the reports of advanced collaborative projects. The series offers an opportunity for researchers to present an extended exposition of such new work in all aspects of industrial control for wider and rapid dissemination. Hard disk drive systems are ubiquitous in today’s computer systems and the technology is still evolving. There is a review of hard disk drive technology and construction in the early pages of this monograph that looks at the characteristics of the disks and there it can be read that: “bit density... continues to increase at an amazing rate”, “spindle speed... the move to faster and faster spindle speeds continue”, “form factors... the trend...is downward... to smaller and smaller drives”, “performance... factors are improving”, “redundant arrays of inexpensive disks... becoming increasingly common, and is now seen in consumer desktop machines”, “reliability... is improving slowly... it is very hard to improve the reliability of a product when it is changing rapidly” and finally “interfaces... continue to create new and improved standards... to match the increase in performance of the hard disks themselves”.
Author : Abdullah Al Mamun
Publisher : CRC Press
ISBN 13 : 1351838024
Total Pages : 476 pages
Book Rating : 4.3/5 (518 download)
Download or read book Hard Disk Drive written by Abdullah Al Mamun and published by CRC Press. This book was released on 2017-12-19 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hard disk drive is one of the finest examples of the precision control of mechatronics, with tolerances less than one micrometer achieved while operating at high speed. Increasing demand for higher data density as well as disturbance-prone operating environments continue to test designers' mettle. Explore the challenges presented by modern hard disk drives and learn how to overcome them with Hard Disk Drive: Mechatronics and Control. Beginning with an overview of hard disk drive history, components, operating principles, and industry trends, the authors thoroughly examine the design and manufacturing challenges. They start with the head positioning servomechanism followed by the design of the actuator servo controller, the critical aspects of spindle motor control, and finally, the servo track writer, a critical technology in hard disk drive manufacturing. By comparing various design approaches for both single- and dual-stage servomechanisms, the book shows the relative pros and cons of each approach. Numerous examples and figures clarify and illustrate the discussion. Exploring practical issues such as models for plants, noise reduction, disturbances, and common problems with spindle motors, Hard Disk Drive: Mechatronics and Control avoids heavy theory in favor of providing hands-on insight into real issues facing designers every day.
Author : Xinghui Huang
Publisher : VDM Publishing
ISBN 13 : 9783639015072
Total Pages : 112 pages
Book Rating : 4.0/5 (15 download)
Download or read book Robust Control of Dual-Stage Servo Systems in Hard Disk Drives written by Xinghui Huang and published by VDM Publishing. This book was released on 2008 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Evangelos Eleftheriou
Publisher : Springer Science & Business Media
ISBN 13 : 3642221726
Total Pages : 300 pages
Book Rating : 4.6/5 (422 download)
Download or read book Control Technologies for Emerging Micro and Nanoscale Systems written by Evangelos Eleftheriou and published by Springer Science & Business Media. This book was released on 2011-07-15 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises a selection of the presentations made at the “Workshop on Dynamics and Control of Micro and Nanoscale Systems” held at IBM Research – Zurich, Switzerland, on the 10th and 11th of December 2009. The aim of the workshop was to bring together some of the leading researchers in the field of dynamics and control of micro- and nanoscale systems. It proved an excellent forum for discussing new ideas and approaches.
Author :
Publisher :
ISBN 13 :
Total Pages : 882 pages
Book Rating : 4.3/5 (91 download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2004 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yunlong Wei
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 596 pages
Book Rating : 4.3/5 (91 download)
Download or read book ICMIT 2005 written by Yunlong Wei and published by SPIE-International Society for Optical Engineering. This book was released on 2005 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Author :
Publisher :
ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.3/5 (243 download)
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1992 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Li Yang
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (34 download)
Download or read book Short Seeking and Settling Control for Single Actuator and Dual-stage Actuator Hard Disk Drive Servo Systems written by Li Yang and published by . This book was released on 2008 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel J. Hernandez
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (35 download)
Download or read book Robust Servo Design for Dual-stage Disk Drives written by Daniel J. Hernandez and published by . This book was released on 1998 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nur Safwati Mohd. Nor
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (96 download)
Download or read book Vibration Suppression of Hard Disk Drive Mechanism Using Intelligent Active Force Control written by Nur Safwati Mohd. Nor and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Allen Horsley
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.:/5 (34 download)
Download or read book Microfabricated Electrostatic Actuators for Magnetic Disk Drives written by David Allen Horsley and published by . This book was released on 1998 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nur Safwati Mohd. Nor
Publisher :
ISBN 13 :
Total Pages : 91 pages
Book Rating : 4.:/5 (96 download)
Download or read book Vibration Suppression of Hard Disk Drive Mechanism Using Intelligent Active Force Control written by Nur Safwati Mohd. Nor and published by . This book was released on 2011 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (31 download)
Download or read book Digests of APMRC. written by and published by . This book was released on 2002 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jianbin Nie
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (81 download)
Download or read book Control Design and Implementation of Hard Disk Drive Servos written by Jianbin Nie and published by . This book was released on 2011 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation, the design of servo control algorithms is investigated to produce high-density and cost-effective hard disk drives (HDDs). In order to sustain the continuing increase of HDD data storage density, dual-stage actuator servo systems using a secondary micro-actuator have been developed to improve the precision of read/write head positioning control by increasing their servo bandwidth. In this dissertation, the modeling and control design of dual-stage track-following servos are considered. Specifically, two track-following control algorithms for dual-stage HDDs are developed. The designed controllers were implemented and evaluated on a disk drive with a PZT-actuated suspension-based dual-stage servo system. Usually, the feedback position error signal (PES) in HDDs is sampled on some specified servo sectors with an equidistant sampling interval, which implies that HDD servo systems with a regular sampling rate can be modeled as linear time-invariant (LTI) systems. However, sampling intervals for HDD servo systems are not always equidistant and sometimes, an irregular sampling rate due to missing PES sampling data is unavoidable. With the natural periodicity of HDDs, which is related to the disk rotation, those HDD servo systems with missing PES samples can be modeled as linear periodically time-varying (LPTV) systems. For the control synthesis of HDD servos with irregular sampling rates, an explicit optimal H_infinity control synthesis algorithm for general LPTV systems is first obtained by solving discrete Riccati equations. Then, the optimal H_infinity track-following control for irregular-sampling-rate servos is synthesized. Simulation and experiment studies, which have been carried out on a set of actual single-stage hard disk drives, demonstrate that the proposed control synthesis technique is able to handle irregular sampling rates and can be used to conveniently design a track-following servo that achieves the robust performance of a desired error rejection function for disturbance attenuation. Moreover, experiment results show that compared to the currently-used methodology for irregular sampling rates, the proposed control algorithm has significantly improved the servo performance. In addition, the feedback signal in HDD servos is generated from the servo patterns that must be pre-recorded using servo track writing process before the HDD can be used. Thus, the quality of the servo track writing process is also crucial to the accuracy of positioning read/write head. Recently, self-servo track writing has been developed in order to improve the quality of the written servo patterns and reduce the cost of servo track writing process. This dissertation considers two novel controller synthesis methodologies employing a feedforward control structure for performing concentric self-servo track writing in hard disk drives. Simulation results confirm that the two proposed control synthesis methodologies prevent error propagation from the previously written tracks and significantly improve servo track writing performance.
