Search for dissertations about: "Electronic Friction"

Showing result 1 - 5 of 57 swedish dissertations containing the words Electronic Friction.

  1. 1. Control Systems with Friction

    University dissertation from Department of Automatic Control, Lund Institute of Technology (LTH)

    Author : Henrik Olsson; Lund University.; Lunds universitet.; [1996]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; control engineering; Automatiska system; Automation; robotics; Friction Observer; Friction Compensation; Describing Function Analysis; Limit Cycles; Friction Modeling; Friction; Control Systems; robotteknik; reglerteknik;

    Abstract : Friction-related problems are frequently encountered in control systems. This thesis treats three aspects of such problems: modeling, analysis, and friction compensation. A new dynamic friction model is presented and investigated. READ MORE

  2. 2. Automation of front-end loaders electronic self leveling and payload estimation

    University dissertation from Umeå : Umeå University

    Author : I Yung; Umeå universitet.; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Front-End Loaders; Electronic Self Leveling; Modeling; Control; Disturbance estimation; Payload estimation; Equations of motion; Pressure-based friction;

    Abstract : A growing population is driving automatization in agricultural industry to strive for more productive arable land. Being part of this process, this work is aimed to investigate the possibility to implement sensor-based automation in a particular system called Front End Loader, which is a lifting arms that is commonly mounted on the front of a tractor. READ MORE

  3. 3. Tire Modeling and Friction Estimation

    University dissertation from Department of Automatic Control, Lund Institute of Technology, Lund University

    Author : Jacob Svendenius; Lund University.; Lunds universitet.; [2007]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Technological sciences; Vehicle Dynamics; Wheel Speed; Brush Model; Combined Slip; Tire Models; Teknik; Friction Estimation;

    Abstract : New system technologies are continuously improving the performance of vehicles regarding comfort, stability, environmental stresses, and safety. Novel sensors are developed and used together with advanced control algorithms and faster and more accurate actuators to help the driver to maneuver the vehicle in a safer way. READ MORE

  4. 4. Robotic Friction Stir Welding for Flexible Production

    University dissertation from Lund : Lund University

    Author : Jeroen De Backer; Högskolan Väst.; [2012]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industriell arbetsvetenskap; Industrial engineering; Mechatronics; Mekatronik; Friction Stir Welding; Automation; Robotics; Aluminium; Lightweight design;

    Abstract : Friction Stir Welding eller ”friktionsomrörningssvetsning” är en svetsprocess som kräver ett roterande verktyg som genom friktionsvärme får materialet att mjukna. Verktyget blandar runt det plastiska materialet mekaniskt och skapar en fog av hög kvalité. READ MORE

  5. 5. Low-friction and wear-resistant carbon nitride coatings for bearing components grown by magnetron sputtering

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Konstantinos Bakoglidis; Linköpings universitet.; Linköpings universitet.; [2016]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Carbon nitride; magnetron sputtering; physical vapor deposition; coatings; bearings; rolling contact fatigue; adhesion; friction; wear; transmission electron microscopy; scanning electron microscopy; x-ray photoelectron spectroscopy; coatings tribology; nanotribology;

    Abstract : The scope of this thesis is the investigation of magnetron sputtered carbon nitride coatings suitable for roller bearing components. The research field of tribology of bearings focuses on minimizing friction between components by improving the lubricants. READ MORE