Journal ArticleDOI
Process fault detection based on modeling and estimation methods-A survey
TLDR
This contribution presents a brief summary of some basic fault detection methods, followed by a description of suitable parameter estimation methods for continuous-time models.About:
This article is published in Automatica.The article was published on 1984-07-01. It has received 2367 citations till now. The article focuses on the topics: Fault detection and isolation & Process modeling.read more
Citations
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Journal ArticleDOI
Dynamic risk assessment and fault detection using a multivariate technique
TL;DR: In this paper, a multivariate risk-based fault detection and diagnosis technique is proposed to eliminate faults that are not serious and to provide a dynamic process risk indication at each sampling instant.
Proceedings ArticleDOI
Modeling electromagnetic disturbances in closed-loop computer controlled flight systems
W.S. Gray,Oscar R. Gonzalez +1 more
TL;DR: In this paper, an electromagnetic disturbance model is introduced for stability analysis and augmentation of any digitally implemented control law, composed of a Markovian exosystem supplying radiation events to a discrete-time jump linear system which models how the radiation interferes with the nominal operation of the closed-loop system.
Proceedings ArticleDOI
Sensor validation and fusion using the Nadaraya-Watson statistical estimator
TL;DR: The new algorithm is shown to reliably detect and compensate for bias errors, spike errors, hardover faults, drift faults and erratic operation, affecting up to three of the five sensors in the array, and is more accurate than the single best sensor.
Book ChapterDOI
Formal Specification and Verification of a Fault-Masking and Transient-Recovery Model for Digital Flight-Control Systems
TL;DR: The formal specification and mechanically checked verification for a model of fault-masking and transient-recovery among the replicated computers of digital flight-control systems are presented.
Journal ArticleDOI
Actuator fault tolerant multi-controller scheme using set separation based diagnosis
Maria M. Seron,José A. De Doná +1 more
TL;DR: A new FDI principle is proposed which exploits the separation of sets that characterise healthy system operation from sets thatcharacterise transitions from healthy to faulty behaviour to provide pre-checkable conditions for guaranteed fault tolerance of the overall multi-controller scheme.
References
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Journal ArticleDOI
Paper: A survey of design methods for failure detection in dynamic systems
TL;DR: This paper surveys a number of methods for the detection of abrupt changes in stochastic dynamical systems, focusing on the class of linear systems, but the basic concepts carry over to other classes of systems.
Book
Digital Control Systems
TL;DR: This chapter introduces the z-Transform, a new type of transform that combines Laplace Transforms, z-Transforms and Modified Z-TRANSFORMS with Convolution Integral to achieve state-of-the-art control of Discrete-Data Systems.
Journal ArticleDOI
Correspondence item: An innovations approach to fault detection and diagnosis in dynamic systems
R. K. Mehra,J. Peschon +1 more
TL;DR: A general approach to fault detection, diagnosis and prognosis in systems describable by mathematical models is outlined, based on System Theory and Statistical Decision Theory.
Dissertation
Failure accomodation in linear systems through self-reorganization.
TL;DR: In this article, the authors present a model for the first unmanned aerial vehicle (UAV) and demonstrate its performance in the first flight test of the UAV-A1.
Journal ArticleDOI
Parameter estimation for continuous-time models-A survey
TL;DR: The paper reviews the progress of research on parameter estimation for continuous-time models of dynamic systems over the period 1958-1980 and includes a classification system which conforms as closely as possible to that which has arisen naturally over the past two decades.