Diagnosis for Control and Decision Support for Autonomous Vehicles

Mogens Blanke, Søren Hansen, Morten Rufus Blas

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Diagnosis and, when possible, prognosis of faults are essential for safe and reliable operation. The area of fault diagnosis has emerged over three decades. The majority of studies are related to linear systems but real-life systems are complex and nonlinear. The development of methodologies coping with complex and nonlinear systems have matured and even though there are many unsolved problems, methodology and associated tools have become available in the form of theory and software for design. Genuine industrial cases have also become available. Analysis of system topology, referred to as structural analysis, has proven to be unique and simple in use and a recent extension to active structural techniques have made fault isolation possible in a wide range of systems.
Following residual generation using these topology-based methods, deterministic and statistical change detection has proven very useful for online prognosis and diagnosis. For complex systems, results from nonGaussian detection theory have been employed with convincing results. The chapter presents the theoretical foundation for design methodologies that now appear as enabling technology for a new area of design of systems that are reliable in practise. Yet they are also affordable due to the use of fault-tolerant philosophies and tools that make engineering efforts minimal for their implementation. The chapter includes examples for an autonomous aircraft and a baling system for agriculture to illustrate the generic design procedures and real life results.
Original languageEnglish
Title of host publicationComplex Systems : Relationships between Control, Communications and Computing
EditorsGeorgi M. Dimirovski
Publication date2016
ISBN (Print)978-3-319-28858-1
Publication statusPublished - 2016
SeriesStudies in Systems, Decision and Control


  • Fault diagnosis
  • Fault-tolerant control
  • Change detection
  • Complex systems

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