Sökning: "control room system"

Visar resultat 21 - 25 av 122 avhandlingar innehållade orden control room system.

  1. 21. Energy efficient indoor climate control - A practical approach for enhanced implementability

    Författare :Mattias Gruber; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; model-based control; building automation; ventilation and air-conditioning; office buildings; implementability; energy efficiency; Heating; indoor climate control;

    Sammanfattning : This work deals with energy efficient indoor climate control in office buildings, with an emphasis on implementability. More specifically, the aim is to suggest and evaluate improvements to building automation systems that are sufficiently simple and efficient to be realistic alternatives to commonly-used systems. LÄS MER

  3. 22. Designing visualization and interaction for industrial control rooms of the future

    Författare :Veronika Domova; Jonas Löwgren; Elina Vartiainen; Thomas Porathe; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Industrial control room; Industrial operator; Human-computer interaction;

    Sammanfattning : During the last decades, the industry has been undergoing extensive digitization leading to complex ensembles of humans, machines, autonomous agents, and sensors. With this new setup comes the challenge of how to appropriately support work-practices of industrial operators who now need to monitor and control complex industrial processes through remote interfaces. LÄS MER

  4. 23. Visualisera energi i hushåll : Avdomesticeringen av sociotekniska system och individ- respektive artefaktbunden energianvändning

    Författare :Erica Löfström; Kajsa Ellegård; Jenny Palm; MariAnne Karlsson; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Energy use; energy visualization; households; energy behaviour; Power Aware Cord; Anneberg; pilot project; heating system; time-diaries; Time-PAcTS; Energianvändning; energivisualisering; hushåll; energibeteende; Power Aware Cord; Anneberg; pilotprojekt; värmesystem; tidsdagbok; Time-PAcTS; Technology and social change; Teknik och social förändring;

    Sammanfattning : Ett centralt problem i strävan efter att minska energianvändningen i hushåll genom beteendeförändringar är att energi till stora delar är en osynlig produkt. Avhandlingen strävar efter att utveckla kunskap som kan bidra till mer hållbar utveckling genom att analysera tre företeelser som på ett konkret sätt synliggör energi och energirelaterat beteende: ett lokalt värmesystem, en s. LÄS MER

  5. 24. Closed-Loop Combustion Control of a Multi Cylinder HCCI Engine using Variable Compression Ratio and Fast Thermal Management

    Författare :Göran Haraldsson; Förbränningsmotorer; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CR; Motorer; framdrivningssystem; Motors and propulsion systems; Teknik; Technological sciences; Closed-Loop Combustion Control; CLCC; Multi cylinder; HCCI; Black box; System identification; State feedback; PID; LQG; Fast Thermal Management; FTM; VCR Variable Compression Ratio;

    Sammanfattning : The current Spark Ignited (SI) engine equipped with three-way catalyst offers low emissions, but has low efficiency at part load, which results in unnecessarily high CO2 emissions. The Compression Ignited (CI) engines have higher efficiency and hence lower CO2 emissions, but suffer from higher Nitrogen Oxide (NOx) and Particulate Matter (PM) emissions, and no three-way catalyst can be used. LÄS MER

  7. 25. Adapting Variable Air Volume (VAV) Systems for Office Buildings without Active Control Dampers

    Författare :Mari-Liis Maripuu; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; climate control; CAV; variable supply air diffuser; ventilation; VAV; energy efficiency;

    Sammanfattning : In commercial buildings the building services systems may account for a substantial part of the need of energy. There is, at least in Sweden, a large existing stock of 20 to 30 year old office buildings, which are supplied with centralised constant air volume flow (CAV) air conditioning systems with the primary function to keep the room temperature at an acceptable level summertime. LÄS MER