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Description
Optimal Control: Linear Quadratic MethodsThis augmented edition of a respected text teaches the reader how to use linear quadratic Gaussian methods effectively for the design of control systems. It explores linear optimal control theory from an engineering viewpoint, with step by step explanations that show clearly how to make practical use of the material. The three part treatment begins with the basic theory of the linear regulator tracker for time invariant and time varying systems. The
This augmented edition of a respected text teaches the reader how to use linear quadratic Gaussian methods effectively for the design of control systems. It explores linear optimal control theory from an engineering viewpoint, with step-by-step explanations that show clearly how to make practical use of the material.The three-part treatment begins with the basic theory of the linear regulator/tracker for time-invariant and time-varying systems. The Hamilton-Jacobi equation is introduced using the Principle of Optimality, and the infinite-time problem is considered. The second part outlines the engineering properties of the regulator. Topics include degree of stability, phase and gain margin, tolerance of time delay, effect of nonlinearities, asymptotic properties, and various sensitivity problems. The third section explores state estimation and robust controller design using state-estimate feedback.
Numerous examples emphasize the issues related to consistent and accurate system design. Key topics include loop-recovery techniques, frequency shaping, and controller reduction, for both scalar and multivariable systems. Self-contained appendixes cover matrix theory, linear systems, the Pontryagin minimum principle, Lyapunov stability, and the Riccati equation. Newly added to this Dover edition is a complete solutions manual for the problems appearing at the conclusion of each section.
Binding Type: Paperback
Publisher: Dover Publications
Published: 02/27/2007
ISBN: 9780486457666
Pages: 448
Weight: 1.45lbs
Size: 9.20h x 6.10w x 1.00d
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★★★★★ 5
Very nice, large baskets, good value
Nice but the hooks may not fit thicker doors. Mine is just barely wide enough and you cannot modify it to make the hooks fit better you just have to bang it on.
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Reviewed in the United States on January 17, 2023
★★★★★ 5
Great buy
I was looking for something to store a lot of things off of shelves and wall space so I chose an over the door hanger. This holds all my jackets it's it's pretty neat.. I love the baskets. I'm looking to get a few more
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Reviewed in the United States on April 21, 2022
★★★★★ 3
Easy but not strong
I would not put a lot of weight in the baskets though. I was changing one shelve to a differebt level and the hook just broke off. I was very gentle with this thing and never put a lot of weight on it, yet the hook came clean off and now I can't hang the shelf at that level. It either has to be too low (makes it difficult to hang clothing on the upper level coat hooks) or too high (makes it difficult to get items into the shelf because it is almost touching the top shelf).
This over the door rack/shelf was so easy to install, pretty much a child could do it. Love how I can change which hook the shelves go onto and that their is two rows of coat hooks. Fantastic addition to any room that does not have an ideal amount of storage.
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Reviewed in the United States on July 2, 2022
★★★★★ 5
Great product at a good price
Color: Black, Size: Medium
This sink caddy is made of sturdy material and helpful for holding the stuff on the edge of my sink. It's nice to be able to move the little drain spout to accommodate where I set it. It also allows me to move the divider to accommodate the size of what I put in there, so that's nice. It has an overall nice look. removing the tray to wash it out is very helpful. The only thing I don't care for is that sometimes when I grab the dish cloth, the little rod pops out. However, this is a minor inconvenience, and only when I'm in a hurry to grab the cloth. The price is very reasonable for the sturdy material.
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Keeps my sink area neat and organized
Color: Black, Size: Medium
Really happy with this sink caddy! The 304 stainless steel feels sturdy and looks nice, and the auto drain spout keeps water from pooling on the counter. The divided sections easily hold my sponge, brush, and soap bottle without taking up much space.
I also like the removable towel bar and that there was no installation needed. Redy to use right out of the box. Simple, practical, and very useful for keeping the sink area tidy.
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Reviewed in the United States on April 1, 2026