Sökning: "torque ratio"

Visar resultat 1 - 5 av 39 avhandlingar innehållade orden torque ratio.

  1. 1. Quadruped robot control and variable leg transmissions

    Detta är en avhandling från Stockholm : KTH

    Författare :Johan Ingvast; KTH.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; walking robot; quadruped; walking; crawl; trot; passively variable transmission; PVT; variable transmission; continuously variable transmission; velocity ratio; torque ratio; TECHNOLOGY Engineering mechanics Other engineering mechanics; TEKNIKVETENSKAP Teknisk mekanik Övrig teknisk mekanik;

    Sammanfattning : The research presented in this thesis regards walking of quadruped robots, and particularly the walking of the Warp1 robot. The motivation for the robot is to provide a platform for autonomous walking in rough terrain.The thesis contains six papers ranging from development tools to actuation of robot legs. LÄS MER

  2. 2. Torque based combustion phasing control

    Detta är en avhandling från Stockholm : KTH

    Författare :Stefan Larsson; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Extremum seeking control; Combustion phasing control; Spark-advance control; Individual cylinder control; Engine control;

    Sammanfattning : Due to environmental aspects and emission legislations the automotive industry is striving towards more efficient combustion engines. Many engine control systems in production today are based on look-up tables which are calibrated for different operating conditions. LÄS MER

  3. 3. Modeling, Control and Optimization of theTransient Torque Response in DownsizedTurbocharged Spark Ignited Engines

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Oscar Flärdh; KTH.; KTH.; [2012]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Engine modeling; Engine control; Transient torque response; Downsizing; Transient optimization;

    Sammanfattning : Increasing demands for lower carbon dioxide emissions and fuel consumption drive technological developments for car manufacturers. One trend that has shown success for reducing fuel consumption in spark ignited engines is downsizing, where the engine size is reduced to save fuel and a turbocharger is added to maintain the power output. LÄS MER

  4. 4. Ion Current and Torque Modeling for Combustion Engine Control

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Ingemar Andersson; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Engine control development constantly requires more information about the combustion process, to meet present and future environmental regulations for vehicles. The demand for combustion monitoring and control from enginedevelopers drives the research in several parallel fields of technology to find the best and most cost effective sensor solution for each case. LÄS MER

  5. 5. Truck Steering System and Driver Interaction

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Kristoffer K D Tagesson; [2014]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; steering system; active safety; driver behaviour; active steering; torque feedback; heavy trucks;

    Sammanfattning : This thesis presents a compilation of methods to consider when mapping steering functions and results as vehicle dimensions change. It is concluded that some final tuning inevitably will be required as major changes are performed. It is however possible to create qualified starting points using a set of simple rules as presented. LÄS MER