Sökning: "Lambda sensor"

Hittade 4 avhandlingar innehållade orden Lambda sensor.

  1. 1. Development of high temperature SiC based field effect sensors for internal combustion engine exhaust gas monitoring

    Detta är en avhandling från Institutionen för fysik, kemi och biologi

    Författare :Helena Wingbrant; Linköpings universitet.; Linköpings universitet.; [2003]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; field effect sensor; gas detection; selective catalytic reduction; lambda; cold start; ammonia; silicon carbide; engine exhaust.; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik;

    Sammanfattning : While the car fleet becomes increasingly larger it is important to lower the amounts of pollutants from each individual diesel or gasoline engine to almost zero levels. The pollutants from these engines predominantly originate from high NOx emissions and particulates, in the case when diesel is utilized, and emissions at cold start from gasoline engines. LÄS MER

  2. 2. Studies of MISiC-FET sensors for car exhaust gas monitoring

    Detta är en avhandling från Institutionen för fysik, kemi och biologi

    Författare :Helena Wingbrant; Linköpings universitet.; Linköpings universitet.; [2005]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; field effect sensor; gas detection; selective catalytic reduction; lambda; cold start; ammonia; silicon carbide; engine exhaust; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik;

    Sammanfattning : The increasing size of the car fleet makes it important to find ways of lowering the amounts of pollutants from each individual diesel or gasoline engine to almost zero levels. The pollutants from these engines predominantly originate from emissions at cold start, in the case when gasoline is utilized, and high NOx emissions and particulates from diesel engines. LÄS MER

  3. 3. Modeling and Model Reduction in Automotive Systems

    Detta är en avhandling från Department of Automatic Control, Lund Institute of Technology, Lund University

    Författare :Oskar Nilsson; Lunds universitet.; Lund University.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Automotive systems; Lambda sensor; Model reduction; Modeling; Engine air path;

    Sammanfattning : The current control design development process in automotive industry and elsewhere involves many expensive experiments and hand-tuning of control parameters. Model based control design is a promising approach to reduce costs and development time. In this process low complexity models are essential. LÄS MER

  4. 4. HCCI Combustion - Engine Operation and Emission Characteristics

    Detta är en avhandling från Department of Heat and Power Engineering, Lund university

    Författare :Magnus Christensen; Lunds universitet.; Lund University.; [2002]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Motorer; framdrivningssystem; Motors and propulsion systems; efficiency; emissions; combustion; HCCI; engine;

    Sammanfattning : The potential and limitations of the Homogeneous Charge Compression Ignition (HCCI) engine concept has been experimentally investigated. The operation range, in terms of usable air/fuel ratio and engine load, and the emission characteristics have been studied. An 1. LÄS MER