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Auxiliary Signal Design For Fault Detection For Nonlinear Systems
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Book Synopsis Auxiliary Signal Design for Fault Detection for Nonlinear Systems by : Kelly Ann Sweetingham
Download or read book Auxiliary Signal Design for Fault Detection for Nonlinear Systems written by Kelly Ann Sweetingham and published by . This book was released on 2008 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: test signal, multimodel identification, active.
Book Synopsis Auxiliary Signal Design for Fault Detection in Nonlinear Systems by :
Download or read book Auxiliary Signal Design for Fault Detection in Nonlinear Systems written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, research has developed in the area of active fault detection and model identification algorithms for linear systems. These algorithms compute an auxiliary input signal which guarantees fault detection, assuming a bounded noise. This dissertation addresses the question of when the previous linear theory can be applied to nonlinear systems. Several case studies are presented to verify that linearizations can in fact produce results in the nonlinear case. Two results are proven about the use of linearizations. The first result gives a parameter which scales the entire problem. Using this parameter, the scaled auxiliary signal, along with a scaled noise bound, will guarantee fault detection in the nonlinear problem. The second result shows how to compute the acceptable noise bound for the nonlinear problem using the exact auxiliary signal from the linearized problem. Also presented is a computational study to verify these two results. Two secondary projects are also presented in this dissertation. The first is a comparison of two different linear algorithms used to compute the optimal auxiliary signal. The second is a port of one of the existing pieces of fault detection software into Matlab. This new software is included, as well as a discuss of the complications of the port.
Book Synopsis Auxiliary Signal Design in Fault Detection and Diagnosis by : Xue J. Zhang
Download or read book Auxiliary Signal Design in Fault Detection and Diagnosis written by Xue J. Zhang and published by Springer. This book was released on 1989-09 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The object of this book is to present a systematic method for auxiliary signal design in fault detection and diagnosis. It covers systems that can be represented by linear or linearised multiple-input, multiple-output stochastic models. It is very illustrative since each new concept is demonstrated with simple examples and plots. Some fundamental problems in change detection have been investigated. A basic knowledge of probability theory, statistical inference, matrix and control theory is required. Postgraduates and researchers will find it an interesting reference to fault detection and test signal design. The book can also be used as a tutorial material for final year undergraduates, especially those who work on a project related to test signal designs, fault detection or modeling.
Book Synopsis Auxiliary Signal Design in Fault Detection and Diagnosis by : Xue Jun Zhang
Download or read book Auxiliary Signal Design in Fault Detection and Diagnosis written by Xue Jun Zhang and published by . This book was released on 1989 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Auxiliary Signal Design for Failure Detection by : Stephen L. Campbell
Download or read book Auxiliary Signal Design for Failure Detection written by Stephen L. Campbell and published by Princeton University Press. This book was released on 2015-11-03 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many industries, such as transportation and manufacturing, use control systems to insure that parameters such as temperature or altitude behave in a desirable way over time. For example, pilots need assurance that the plane they are flying will maintain a particular heading. An integral part of control systems is a mechanism for failure detection to insure safety and reliability. This book offers an alternative failure detection approach that addresses two of the fundamental problems in the safe and efficient operation of modern control systems: failure detection--deciding when a failure has occurred--and model identification--deciding which kind of failure has occurred. Much of the work in both categories has been based on statistical methods and under the assumption that a given system was monitored passively. Campbell and Nikoukhah's book proposes an "active" multimodel approach. It calls for applying an auxiliary signal that will affect the output so that it can be used to easily determine if there has been a failure and what type of failure it is. This auxiliary signal must be kept small, and often brief in duration, in order not to interfere with system performance and to ensure timely detection of the failure. The approach is robust and uses tools from robust control theory. Unlike some approaches, it is applicable to complex systems. The authors present the theory in a rigorous and intuitive manner and provide practical algorithms for implementation of the procedures.
Book Synopsis Fault Detection and Diagnosis in Nonlinear Systems by : Rafael Martínez-Guerra
Download or read book Fault Detection and Diagnosis in Nonlinear Systems written by Rafael Martínez-Guerra and published by Springer. This book was released on 2013-11-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high reliability required in industrial processes has created the necessity of detecting abnormal conditions, called faults, while processes are operating. The term fault generically refers to any type of process degradation, or degradation in equipment performance because of changes in the process's physical characteristics, process inputs or environmental conditions. This book is about the fundamentals of fault detection and diagnosis in a variety of nonlinear systems which are represented by ordinary differential equations. The fault detection problem is approached from a differential algebraic viewpoint, using residual generators based upon high-gain nonlinear auxiliary systems (‘observers’). A prominent role is played by the type of mathematical tools that will be used, requiring knowledge of differential algebra and differential equations. Specific theorems tailored to the needs of the problem-solving procedures are developed and proved. Applications to real-world problems, both with constant and time-varying faults, are made throughout the book and include electromechanical positioning systems, the Continuous Stirred Tank Reactor (CSTR), bioreactor models and belt drive systems, to name but a few.
Book Synopsis Auxiliary Signal Design in Fault Detection and Diagnosis by : X. J. Zhang
Download or read book Auxiliary Signal Design in Fault Detection and Diagnosis written by X. J. Zhang and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fault Detection, Supervision and Safety of Technical Processes 2003 (SAFEPROCESS 2003) by : Marcel Staroswiecki
Download or read book Fault Detection, Supervision and Safety of Technical Processes 2003 (SAFEPROCESS 2003) written by Marcel Staroswiecki and published by Elsevier. This book was released on 2004-02-27 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt: A three-volume work bringing together papers presented at 'SAFEPROCESS 2003', including four plenary papers on statistical, physical-model-based and logical-model-based approaches to fault detection and diagnosis, as well as 178 regular papers.
Book Synopsis Using a Signal Model-based Method to Design a Fault Detection, Identification and Self-reconfiguration System for Nonlinear Dynamic Process by : Haiyan Zhang
Download or read book Using a Signal Model-based Method to Design a Fault Detection, Identification and Self-reconfiguration System for Nonlinear Dynamic Process written by Haiyan Zhang and published by . This book was released on 2004 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Digital Signal Design for Fault Detection in Linear Continuous Dynamical Systems by :
Download or read book Digital Signal Design for Fault Detection in Linear Continuous Dynamical Systems written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic approach to detect underlying undesirable states of a physical system is to compare its observed behaviors to several competing models and to identify the model that best describes the observation. This model selection process can be enhanced by applying a specially designed auxiliary input signal to the system. This dissertation applies the auxiliary-signal-based model selection approach for recognizing faulty behaviors of systems whose dynamic behaviors can be described by linear differential equations. Using an existing analog--signal--based algorithm, the effect of the modeling error on this particular type of detection approach is examined and a geometrical explanation is provided. We also present a variation of the analog--signal--based algorithm which produces signals that are more practical for certain types of applications. In addition, an alternative auxiliary signal design algorithm is developed, producing digital signals that minimally disturb regular system operation and guarantee fault detection for a given amount of the gap between physical system and the corresponding model. The algorithm implements the analytical solution steps derived mostly by the optimal control problem solution technique while converting a nested optimization problem into an equivalent eigenvalue problem. The algorithm provides an option to optimize the duration of each digital piece to yield even more Steel material is widely used in fabricating automotive seat frames. Unfortunately, these materials are not renewable and take a somewhat longer time to degrade in a landfill than natural based biodegradable materials. Unprecedented growth of bio-based textile composites has drawn interest from various industries, such as automotive and transportation. Bio-based composite materials offer products that are biodegradable, easily recycled and can exceed the physical performance of metallic materials that are commercially available. Additional performance characteristics.
Book Synopsis Fault Detection in Nonlinear Systems by : Vivek Garg
Download or read book Fault Detection in Nonlinear Systems written by Vivek Garg and published by . This book was released on 1995 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fault Detection and Isolation in Nonlinear Systems by : Wei Chen
Download or read book Fault Detection and Isolation in Nonlinear Systems written by Wei Chen and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2012-07-01 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the increasing complexity of modern technical processes, the most critical issues in the design of an automated system nowadays are safety/reliability, higher performance and cost efficiency. Therefore, fault diagnosis is becoming an essential part of modern control systems. Contrary to the well-developed fault diagnosis techniques for linear systems, there is still no systematic solution for nonlinear systems. Since most of real systems are nonlinear in nature, the objective of this thesis is to develop nonlinear observer and energy-balance based fault diagnosis approaches, which achieve a high performance and at the same time reduce the difficulties in the design and application.
Book Synopsis Observer-based Fault Detection in Nonlinear Systems by : Abdul Qayyum Khan
Download or read book Observer-based Fault Detection in Nonlinear Systems written by Abdul Qayyum Khan and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modelling and Estimation Strategies for Fault Diagnosis of Non-Linear Systems by : Marcin Witczak
Download or read book Modelling and Estimation Strategies for Fault Diagnosis of Non-Linear Systems written by Marcin Witczak and published by Springer Science & Business Media. This book was released on 2007-04-05 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents a variety of techniques that can be used for designing robust fault diagnosis schemes for non-linear systems. The introductory part of the book is of a tutorial value and can be perceived as a good starting point for the new-comers to this field. Subsequently, advanced robust observer structures are presented. Parameter estimation based techniques are discussed as well. A particular attention is drawn to experimental design for fault diagnosis. The book also presents a number of robust soft computing approaches utilizing evolutionary algorithms and neural networks. All approaches described in this book are illustrated by practical applications.
Book Synopsis Auxiliary Signal Design in Fault Detection and Diagnosis by : Xue Jun Zhang
Download or read book Auxiliary Signal Design in Fault Detection and Diagnosis written by Xue Jun Zhang and published by . This book was released on 1989 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The object of this book is to present a systematic method for auxiliary signal design in fault detection and diagnosis. It covers systems that can be represented by linear or linearised multiple-input, multiple-output stochastic models. It is very illustrative since each new concept is demonstrated with simple examples and plots. Some fundamental problems in change detection have been investigated. A basic knowledge of probability theory, statistical inference, matrix and control theory is required. Postgraduates and researchers will find it an interesting reference to fault detection and test signal design. The book can also be used as a tutorial material for final year undergraduates, especially those who work on a project related to test signal designs, fault detection or modeling.
Book Synopsis Test Signal Generation for Service Diagnosis Based on Local Structure Graphs by : Michael Ungermann
Download or read book Test Signal Generation for Service Diagnosis Based on Local Structure Graphs written by Michael Ungermann and published by Logos Verlag Berlin GmbH. This book was released on 2015-05-06 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work considers the problem of identifying the fault in a faulty dynamical system on the basis of the system's input and output signals only. For this purpose, a model-based method for the design of diagnostic tests which consist of specific input signals and appropriate residual generators is developed. The method extends the structure graph of dynamical systems in order to represent the couplings in a system which has been brought to a specific operating region. The resulting local structure graph is used to determine specific residual generators which can distinguish between faults on the basis of the system's input and output signals in the corresponding operating region. Algorithms to determine advantageous operating regions and input signals which drive the system into such operating regions are given. The application of the method to determine diagnostic tests is demonstrated using a typical automotive system, a throttle valve.
Book Synopsis Fault detection for nonlinear systems by :
Download or read book Fault detection for nonlinear systems written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
