Sökning: "Automatiska system"

Visar resultat 1 - 5 av 76 avhandlingar innehållade orden Automatiska system.

  1. 1. Power System Oscillations - Detection, Estimation and Control

    Detta är en avhandling från Department of Industrial Electrical Engineering and Automation, Lund Institute of Technology

    Författare :Morten Hemmingsson; Lund University.; Lunds universitet.; [2003]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Elektroteknik; oscillation; power system; damping; power swing; distance protection; detection; estimation; real-time; reactive co-variation; control; Electrical engineering; load modulation; Automation; robotics; control engineering; Automatiska system; robotteknik; reglerteknik;

    Sammanfattning : The topic of this thesis is the electro-mechanical oscillations which to some extent always are present in a power system. The demand of electric power is ever increasing. At the same time, the tolerance of disruptions in the power supply is decreasing. LÄS MER

  2. 2. Resource-Constrained Embedded Control and Computing Systems

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

    Författare :Dan Henriksson; Lund University.; Lunds universitet.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; robotteknik; reglerteknik; kontroll; Automation; robotics; control engineering; Automatiska system; numerisk analys; system; Datalogi; control; numerical analysis; systems; Computer science; Server control; Simulation tools; Feedback scheduling; Real-time control systems; Resource constraints;

    Sammanfattning : This thesis deals with methods for handling resource constraints in embedded control systems and real-time computing systems. By dynamic feedback-based resource scheduling it is possible to achieve adaptability andincreased performance for these systems. LÄS MER

  3. 3. Optimal Decisions with Limited Information

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

    Författare :Ather Gattami; Lund University.; Lunds universitet.; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; systems; numerical analysis; Computer science; Convex Optimization; Graph Theory; Team Decision Theory; Game Theory; control; Datalogi; numerisk analys; system; kontroll; Automation; robotics; control engineering; Automatiska system; robotteknik; reglerteknik;

    Sammanfattning : This thesis considers static and dynamic team decision problems in both stochastic and deterministic settings. The team problem is a cooperative game, where a number of players make up a team that tries to optimize a given cost induced by the uncertainty of nature. LÄS MER

  4. 4. Power System Damping - Structural Aspects of Controlling Active Power

    Detta är en avhandling från IEA, LTH, Box 118, SE-221 00 Lund, Sweden

    Författare :Olof Samuelsson; Lund University.; Lunds universitet.; [1997]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics and Electrical technology; controller interaction; mode controllability; mode observability; mechanical equivalent; linear differential-algebraic equations; modal analysis; active power; power system damping; electro-mechanical oscillations; Elektronik och elektroteknik; Automation; robotics; control engineering; Automatiska system; robotteknik; reglerteknik;

    Sammanfattning : Environmental and economical aspects make it difficult to build new power lines and to reinforce existing ones. The continued growth in demand for electric power must therefore to a great extent be met by increased loading of available lines. LÄS MER

  5. 5. Automated Manufacture of Fertilizing Agglomerates from Burnt Wood Ash

    Detta är en avhandling från IEA, LTH, Box 118, SE-221 00 Lund, Sweden

    Författare :Thomas Svantesson; Lund University.; Lunds universitet.; [2002]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Adaptive Filtering; Ash Recycling; Change Detection; System Identification; Real-Time Control; Robust Control; Process Design; Control System Design; Carbon In Fly Ash CIFA monitoring; PID-Control; Agglomeration Techniques; Moisture Control; Dehydration Techniques.; Automation; robotics; control engineering; Automatiska system; robotteknik; reglerteknik;

    Sammanfattning : In Sweden, extensive research is conducted to find alternative sources of energy that should partly replace the electric power production from nuclear power. With the ambition to create a sustainable system for producing energy, the use of renewable energy is expected to grow further and biofuels are expected to account for a significant part of this increase. LÄS MER