Sökning: "Johan Sidén"

Visar resultat 1 - 5 av 13 avhandlingar innehållade orden Johan Sidén.

  1. 1. Wireless High-Temperature Monitoring of Power Semiconductors : A Single-Chip Approach

    Författare :Joakim Nilsson; Jonny Johansson; Johan Borg; Johan Sidén; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Sammanfattning : Because failures in power electronic equipment can cause production stops and unnecessary damage to interconnected equipment, monitoring schemes that are able to predict such failures provide various economic and safety benefits. The primary motivation for this thesis is that such monitoring schemes can increase the reliability of energy production plants. LÄS MER

  3. 2. Characterization and design of printed RFID solutions

    Författare :Johan Sidén; Mittuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; RFID; Printed Antennas; AAT; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

    Sammanfattning : .... LÄS MER

  4. 3. On the Design, Characterization and Optimization of RFID Tag Antennas

    Författare :Johan Sidén; Hans-Erik Nilsson; Heikki Seppä; Mittuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Other electrical engineering; electronics and photonics; Övrig elektroteknik; elektronik och fotonik;

    Sammanfattning : Remotely read electronic identification tags are establishing as the standard method of identifying objects in transport logistcs. They are referred to as RFID tags and with successful research and development they are likely to one day replace all of todays barcodes, found on a wide variety of items and objects. LÄS MER

  5. 4. Den ideala barndomen : Studier i det stormaktstida barnporträttets ikonografi och funktion

    Författare :Karin Sidén; Johan Cederlund; Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Art history; children´s portraits; the concept of childhood; portraiture; 17th century Swedish art; funeral portraits; upbringing literature; gender roles; Queen Christina; Charles XI; Charles XII; Konstvetenskap; Art; Konstvetenskap; History Of Art; konstvetenskap;

    Sammanfattning : This thesis deals with a previously neglected category of 17th-century Swedish portraiture, that of royal and aristocratic children. In an introductory chapter the situation pertaining to the commissioning of portraits and their execution is described, with particular reference to the commissioning of children's portraits. LÄS MER

  7. 5. Development and Characterization of Large Area Pressure Sensors and Sitting Posture Monitoring Systems

    Författare :Jawad Ahmad; Johan Sidén; Henrik Andersson; Leena Ukkonen; Mittuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : With the emergence of the Internet and rapid development of science and technology over the past few decades, many individuals worldwide now rely on the Internet to conduct daily activities ranging from education, business and creativity to communication and shopping. As we tend to spend more and more time on the Internet and engage less in physical activities, this persistent behaviour could result in some health-related issues within a relatively short period of time. LÄS MER