Search for dissertations about: "Jonny Johansson"

Showing result 1 - 5 of 8 swedish dissertations containing the words Jonny Johansson.

  2. 1. Microelectronics for the thumb-size ultrasound measurement system

    Author : Jonny Johansson; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Abstract : This thesis presents building blocks and strategies to reach the goal of a thumb-size autonomous ultrasound measurement system with wireless communication capabilities. The design of modern electronics is based on the possibility to accurately predict system behavior by the use of simulation tools. READ MORE

  4. 2. SPICE modeling of ultrasound systems : improvements and verifications

    Author : Jonny Johansson; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Abstract : The success of modern electronics is built on the possibility to accurately predict system behavior by the use of simulation tools. This paradigm can be extended to components such as sensors attached to the electronics. READ MORE

  5. 3. Robust energy management for IoT machine elements

    Author : Fredrik Häggström; Jerker Delsing; Jonny Johansson; Saul Rodriguez; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy harvesting; Rolling element bearing; Energy Storage; Industrial Electronics; Industriell elektronik;

    Abstract : Advancements in semiconductor technology have reached the point at which ambient energy in the surrounding environment can power sensors and microprocessors. This capability enables new strategies for energy management, which are necessary to continue the sensorization of our environment. READ MORE

  6. 4. Efficient Energy Harvesting Interface for Implantable Biosensors

    Author : Janko Katic; Ana Rusu; Saul Rodriguez; Jonny Johansson; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Implantable biosensors; thermoelectric energy harvesting; energy harvesting interface; power management; DC-DC converters; dead time losses; Electrical Engineering; Elektro- och systemteknik;

    Abstract : Energy harvesting is identified as a promising alternative solution for powering implantable biosensors. It can completely replace the batteries, which are introducing many limitations, and it enables the development of self-powered implantable biosensors. READ MORE

  7. 5. Uncertainty in Sliding Stability Analyses of Existing Concrete Gravity Dams with Bonded Concrete-Rock Interfaces

    Author : Alexandra Krounis; Stefan Larsson; Fredrik Johansson; Jonny Sjöberg; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Safety assessment of existing dams becomes more and more important with their increasing age. In addition, new regulations, due to climate changes and changes in knowledge, demand a re-evaluation of the existing dams’ safety. READ MORE