Sökning: "fault detection."

Visar resultat 6 - 10 av 169 avhandlingar innehållade orden fault detection..

  1. 6. Modeling of PMSM Full Power Converter Wind Turbine with Turn-To-Turn Fault

    Författare :Joachim Härsjö; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; turn-to-turn; full power converter wind turbine; permanent magnet synchronous machine PMSM modeling; fault detection.; fault; Wind turbine modeling; Wind energy;

    Sammanfattning : Over the past several years the number of renewable energy installations has shown a strong increase rate. Due to the ambition to close down fossil and nuclear power plants, this rate of increase is not expected to decline during the coming decades. In particular, wind energy represents one of the most dominant renewable energy sources. LÄS MER

  3. 7. Spot the difference! : On the way towards automated fault handling in district heating buildings

    Författare :Sara Månsson; Energihushållning; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Customer installations; Customer data; Data analysis; District heating; Experience from industry; Fault detection; Fault handling; Fault labelling; Return temperatures; Substation performance; Taxonomy;

    Sammanfattning : This thesis focuses on how district heating utilities may work with fault handling in customer installations as a tool to reduce their return temperature levels. Reduced return temperatures would make it possible to improve the efficiency of the district heating systems and decrease their environmental impact. LÄS MER

  4. 8. On Aspect-Oriented Implementation of Fault Tolerance

    Författare :Ruben Alexandersson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Aspect-Oriented Programming; Fault Tolerance; Error Detection; Fault Injection;

    Sammanfattning : This thesis investigates the use of aspect-oriented programming for the purpose of implementing fault-tolerance in software. The feasibility of aspect-oriented programming languages is evaluated from the perspectives of expressiveness, overhead, and fault coverage. LÄS MER

  5. 9. Fault Isolation in Distributed Embedded Systems

    Författare :Jonas Biteus; Erik Frisk; Jan Eric Larsson; Linköpings universitet; []
    Nyckelord :Fault diagnosis; Fault isolation; Distributed diagnosis; Embedded systems; Fault tree analysis.; TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : To improve safety, reliability, and efficiency of automotive vehicles and other technical applications, embedded systems commonly use fault diagnosis consisting of fault detection and isolation. Since many systems are constructed as distributed embedded systems including multiple control units, it is necessary to perform global fault isolation using for example a central unit. LÄS MER

  7. 10. Monitoring and Implementing Early and Cost-Effective Software Fault Detection

    Författare :Lars-Ola Damm; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Early fault detection; software process improvement; fault analysis;

    Sammanfattning : Avoidable rework constitutes a large part of development projects, i.e. 20-80 percent depending on the maturity of the organization and the complexity of the products. High amounts of avoidable rework commonly occur when having many faults left to correct in late stages of a project. LÄS MER