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Author : S. P. Verrill
Publisher : Unknown
Page : 8 pages
File Size : 51,7 Mb
Release : 2000
Category : Wood
ISBN : MINN:31951D019752227
Author : Anonim
Publisher : Unknown
Page : 190 pages
File Size : 54,6 Mb
Release : 2002
Category : Electronic
ISBN : UVA:X004426889
The NCO21 research program was undertaken to help the U.S. Army plan for the impact of future demands on the noncommissioned officer (NCO) corps. The performance requirements and associated knowledge, skills, and aptitudes (KSAs) expected of future successful NCOs were used as a basis for developing tools that could be incorporated into an NCO performance management system geared to 21st century job demands. This report documents the design and development of predictor and criterion measures that will be used in a criterion-related validation data collection. The predictor measures include the Armed Services Vocational Aptitude Battery (ASVAB), Assessment of Individual Motivation (AIM), and Biographical Information Questionnaire (BIQ), which are operational tests already used in the Army for other purposes. A written Situational Judgment Test (SJT), the Experience and Activities Record (ExAct), Personnel File Form (PFF21), and a semi-structured interview were developed for this project. Two types of rating scale instruments were developed for gathering criterion data. The Observed Performance Rating Scales ask supervisors to rate soldiers on how well they perform in their current jobs. The Expected Future Performance Rating Scales ask supervisors to predict how their soldiers would perform in specific sets of conditions expected to be characteristic of future Army requirements.
Author : William K. McCoy
Publisher : Unknown
Page : 40 pages
File Size : 53,8 Mb
Release : 1965
Category : Electronic
ISBN : IND:30000090441563
Author : Iasson Karafyllis,Miroslav Krstic
Publisher : Birkhäuser
Page : 297 pages
File Size : 50,7 Mb
Release : 2017-03-06
Category : Science
ISBN : 9783319423784
This monograph bridges the gap between the nonlinear predictor as a concept and as a practical tool, presenting a complete theory of the application of predictor feedback to time-invariant, uncertain systems with constant input delays and/or measurement delays. It supplies several methods for generating the necessary real-time solutions to the systems’ nonlinear differential equations, which the authors refer to as approximate predictors. Predictor feedback for linear time-invariant (LTI) systems is presented in Part I to provide a solid foundation on the necessary concepts, as LTI systems pose fewer technical difficulties than nonlinear systems. Part II extends all of the concepts to nonlinear time-invariant systems. Finally, Part III explores extensions of predictor feedback to systems described by integral delay equations and to discrete-time systems. The book’s core is the design of control and observer algorithms with which global stabilization, guaranteed in the previous literature with idealized (but non-implementable) predictors, is preserved with approximate predictors developed in the book. An applications-driven engineer will find a large number of explicit formulae, which are given throughout the book to assist in the application of the theory to a variety of control problems. A mathematician will find sophisticated new proof techniques, which are developed for the purpose of providing global stability guarantees for the nonlinear infinite-dimensional delay system under feedback laws employing practically implementable approximate predictors. Researchers working on global stabilization problems for time-delay systems will find this monograph to be a helpful summary of the state of the art, while graduate students in the broad field of systems and control will advance their skills in nonlinear control design and the analysis of nonlinear delay systems.
Author : Yusheng Wei,Zongli Lin
Publisher : Springer Nature
Page : 349 pages
File Size : 54,5 Mb
Release : 2020-10-31
Category : Science
ISBN : 9783030534295
This monograph is the first of its kind to present innovative research results on truncated predictor feedback (TPF) designs for general linear systems with input delay. Beginning with a brief review of time delay systems, the first half of the book focuses on TPF with a constant feedback parameter. Both state feedback and output feedback are considered. It is established that TPF achieves stabilization in the presence of an arbitrarily large bounded delay if the open loop system is not exponentially unstable. Examples are presented to illustrate that TPF may fail to stabilize an exponentially unstable system when the delay is sufficiently large. Bounds on the delay are then established under which stabilization can be achieved. The second half of the book explores variations of the TPF laws designed with a non-constant feedback parameter to accommodate unknown delays and improve closed-loop performance. The authors employ a step-by-step approach to presenting the ultimate result on a completely delay-independent feedback law. Truncated Predictor Based Feedback Designs for Linear Systems with Input Delay will appeal to control engineers, control theorists, and graduate students studying control systems. This volume will also be a valuable resource for engineers and applied mathematicians interested in dynamic systems with time delays.
Author : Anthony J. Maitland
Publisher : Unknown
Page : 28 pages
File Size : 45,7 Mb
Release : 1980
Category : United States
ISBN : IND:30000090370911
Author : Bin Zhou
Publisher : Springer
Page : 480 pages
File Size : 44,8 Mb
Release : 2014-05-29
Category : Technology & Engineering
ISBN : 9783642542060
This book provides a systematic approach to the design of predictor based controllers for (time-varying) linear systems with either (time-varying) input or state delays. Differently from those traditional predictor based controllers, which are infinite-dimensional static feedback laws and may cause difficulties in their practical implementation, this book develops a truncated predictor feedback (TPF) which involves only finite dimensional static state feedback. Features and topics: A novel approach referred to as truncated predictor feedback for the stabilization of (time-varying) time-delay systems in both the continuous-time setting and the discrete-time setting is built systematically Semi-global and global stabilization problems of linear time-delay systems subject to either magnitude saturation or energy constraints are solved in a systematic manner Both stabilization of a single system and consensus of a group of systems (multi-agent systems) are treated in a unified manner by applying the truncated predictor feedback and predictor feedback The properties of the solutions to a class of parametric (differential and difference) Lyapunov matrix equations are presented in detail Detailed numerical examples and applications to the spacecraft rendezvous and formation flying problems are provided to demonstrate the usefulness of the presented theoretical results This book can be a useful resource for the researchers, engineers, and graduate students in the fields of control, applied mathematics, mechanical engineering, electrical engineering, and aerospace engineering.
Author : Irving I. Gringorten
Publisher : Unknown
Page : 28 pages
File Size : 50,7 Mb
Release : 1976
Category : Mathematical models
ISBN : UOM:39015095136118
A predictand's probability distribution is modified by information on one or more of its predictors. If linear dependence is assumed between the predictand and the predictors transformed into normal Gaussian variates, then a model algorithm is possible for the conditional probability of the predictand. It is given as the probability that a Gaussian variable (eta) will equal or exceed a threshold value (eta sub c) where (eta sub c) is expressed linearly in terms of specific normalized values of the predictors. The predictor coefficients, known as partial regression coefficients, are functions of the correlations between predictors and the correlations between each predictor and the predictand. This stochastic model was tested on regular 3-hourly observations of precipitation-produced radar echoes at five widely scattered stations in the eastern half of the United States. The results revealed strong evidence of the validity of the probability estimates, but more importantly revealed that the model can yield sharp estimates of the conditional probability with as many as seven predictors.
Author : Anonim
Publisher : Unknown
Page : 492 pages
File Size : 43,7 Mb
Release : 1991
Category : Climatology
ISBN : UOM:39015023311353
Author : David B. Zoogah
Publisher : Emerald Group Publishing
Page : 200 pages
File Size : 53,7 Mb
Release : 2014-12-03
Category : Business & Economics
ISBN : 9781784414894
This volume of Research Methodology in Strategy and Management reflects a diversity of Africa-born authors in the mainland and diaspora, as well as non-Africans whose research focus on Africa, it offers high impact research that makes a major contribution in advancing management education and knowledge in Africa.
Author : S. P. Verrill
Publisher : Unknown
Page : 108 pages
File Size : 44,5 Mb
Release : 1996
Category : Statistics
ISBN : MINN:31951D02889880E
Author : Doug Hudgeon,Richard Nichol
Publisher : Simon and Schuster
Page : 410 pages
File Size : 55,7 Mb
Release : 2019-12-24
Category : Computers
ISBN : 9781638353973
Summary Imagine predicting which customers are thinking about switching to a competitor or flagging potential process failures before they happen Think about the benefits of forecasting tedious business processes and back-office tasks Envision quickly gauging customer sentiment from social media content (even large volumes of it). Consider the competitive advantage of making decisions when you know the most likely future events Machine learning can deliver these and other advantages to your business, and it’s never been easier to get started! Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology Machine learning can deliver huge benefits for everyday business tasks. With some guidance, you can get those big wins yourself without complex math or highly paid consultants! If you can crunch numbers in Excel, you can use modern ML services to efficiently direct marketing dollars, identify and keep your best customers, and optimize back office processes. This book shows you how. About the book Machine Learning for Business teaches business-oriented machine learning techniques you can do yourself. Concentrating on practical topics like customer retention, forecasting, and back office processes, you’ll work through six projects that help you form an ML-for-business mindset. To guarantee your success, you’ll use the Amazon SageMaker ML service, which makes it a snap to turn your questions into results. What's inside Identifying tasks suited to machine learning Automating back office processes Using open source and cloud-based tools Relevant case studies About the reader For technically inclined business professionals or business application developers. About the author Doug Hudgeon and Richard Nichol specialize in maximizing the value of business data through AI and machine learning for companies of any size. Table of Contents: PART 1 MACHINE LEARNING FOR BUSINESS 1 ¦ How machine learning applies to your business PART 2 SIX SCENARIOS: MACHINE LEARNING FOR BUSINESS 2 ¦ Should you send a purchase order to a technical approver? 3 ¦ Should you call a customer because they are at risk of churning? 4 ¦ Should an incident be escalated to your support team? 5 ¦ Should you question an invoice sent by a supplier? 6 ¦ Forecasting your company’s monthly power usage 7 ¦ Improving your company’s monthly power usage forecast PART 3 MOVING MACHINE LEARNING INTO PRODUCTION 8 ¦ Serving predictions over the web 9 ¦ Case studies
Author : Bruce M. Sharts
Publisher : Unknown
Page : 26 pages
File Size : 52,8 Mb
Release : 1981
Category : Artificial satellites
ISBN : UIUC:30112106572495
Author : B. P. Chandramohan
Publisher : Partridge Publishing
Page : 272 pages
File Size : 50,5 Mb
Release : 2016-04-14
Category : Health & Fitness
ISBN : 9781482871258
Chikungunya fever is a vector borne disease transmitted by mosquitoes that became widely prevalent in most of the coastal States of Indian Union since 2006. It causes numerous health problems to the victims and cognitive problems for medical practitioners and policy makers. Several episodes of the fever have shown long term physical and neurological disability besides short term morbidity. There is no vaccine available to prevent Chikungunya though it is generally considered non-fatal. Hence the disease can be treated at relatively low cost by simple measures to prevent the severity of the disease. However, poor people treated the diseases relatively costly. Though the disease was not new to India, the disease caused panic among the public and resulted in socio political and medical concern when the epidemic outbreak penetrated fast in to rural and urban areas after 2006.The symptoms, side effects and socio-economic impacts were not similar in the affected areas. In the Kanyakumari District of Tamil Nadu, the disease inflicted more among the rural agricultural laborers and tapper workers in rubber plantations, resulted in severe loss of employment and productivity. The present study is an attempt to analyse the economic impact of Chikungunya fever at the household level in Kanyakuramari District. This report presents the results of the study The Economic Impact of Chikungunya Fever on Household level in Tamil Nadu: A study in Kanyakurmari District This project is undertaken with the financial support from Malcolm and Elizabeth Adiseshaiah Trust, Chennai. This financial assistance is gratefully acknowledged. I am indebted to Presidency College for providing the necessary facilities to undertake the project. I fail in my duty if I dont mention the helps extended by the post graduate students of Marthandam Christian College, Kanyakumari. I am indebted to Prof. R.Nagaraj of MIDS for his valuable guidance in undertaking the project. I also gratefully acknowledge the support of Mr.K.Sampath Kumar. B.P.Chandramohan
Author : J. Geweke
Publisher : Springer Science & Business Media
Page : 256 pages
File Size : 49,5 Mb
Release : 2012-12-06
Category : Business & Economics
ISBN : 9789401128384
As desired, the infonnation demand correspondence is single valued at equilibrium prices. Hence no planner is needed to assign infonnation allocations to individuals. Proposition 4. For any given infonnation price system p E . P (F *), almost every a E A demands a unique combined infonnation structure (although traders may be indifferent among partial infonnation sales from different information allocations, etc. ). In particular, the aggregate excess demand correspondence for net combined infonnation trades is a continuous function. Proof Uniqueness fails only if an agent can obtain the same expected utility from two or more net combined infonnation allocations. If this happens, appropriate slight perturbations of personal probability vectors destroy the equality unless the utility functions and wealth allocations were independent across states. Yet, when utilities and wealths don't depend on states in S, no infonnation to distinguish the states is desired, so that the demand for such infonnation structures must equal zero. To show the second claim, recall that if the correspondence is single valued for almost every agent, then its integral is also single valued. Finally, note that an upper hemicontinuous (by Proposition 2) correspondence which is single valued everywhere is, in fact, a continuous function. [] REFERENCES Allen, Beth (1986a). "The Demand for (Differentiated) Infonnation"; Review of Economic Studies. 53. (311-323). Allen, Beth (1986b). "General Equilibrium with Infonnation Sales"; Theory and Decision. 21. (1-33). Allen, Beth (1990). "Infonnation as an Economic Commodity"; American Economic Review. 80. (268-273).