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  • 1.
    Belov, Ilja
    et al.
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Magnhagen, Bengt
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Vladimir
    A methodology of using simulation tools in teaching of robust electronics for electronics engineers2004In: 15th EAEEIE Annual Conference on Innovation in Education for Electrical and Information Engineering: Sofia, Bulgaria, 2004, p. 256-261Conference paper (Refereed)
  • 2.
    Belov, Ilja
    et al.
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Lindgren, Mats
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Danielsson, Torkel
    Sarius, Niklas
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Thermal Analysis of a Power Electronics Module in the Prototyping Phase2009In: Electronic Environment, no 4, p. 6-9Article in journal (Other academic)
  • 3. Belov, Vladimir
    et al.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Nemoykin, Vladimir
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Computer modelling and analysis of EMC in a multi-phase electrical system2004In: Conference proceedings: EMB 04 : computational electromagnetics - methods and applications : October 18-19, 2004, Göteborg: Department of Electromagnetics, Chalmers University of Technology , 2004, p. 294-301Conference paper (Refereed)
  • 4. Belov, Vladimir
    et al.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Magnhagen, Bengt
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    A Simulation-based Spectral Strategy for Power Filter Design in an Electrical System2004In: Power Electronics, Machines and Drives, 2004. (PEMD 2004): Second International Conference on (Conf. Publ. No. 498), London: IEEE , 2004, p. 6-10Conference paper (Refereed)
  • 5. Belov, Vladimir
    et al.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Paldyaev, Nikolay
    Shamaev, Alexey
    Belov, Ilja
    Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Mathematical modelling of a wind power system with an integrated active filter2009In: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 79, no 1, p. 117-125Article in journal (Refereed)
  • 6. Belov, Vladimir
    et al.
    Paldyaev, Nikolay
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Mathematical model of a multi-phase active power filter based on multi-phase bridge elements2005In: 5th WSEAS International Conference on power systems and electromagnetic compatibility: PSE'05, 2005Conference paper (Refereed)
  • 7. Belov, Vladimir
    et al.
    Paldyaev, Nikolay
    Shamaev, Alexey
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    A complete mathematical model of an independent multi-phase power supply system based on multi-phase bridge-element concept2005In: WSEAS Transactions on Circuits and Systems, ISSN 1109-2734, Vol. 4, no 9, p. 1009-1018Article in journal (Other academic)
  • 8. Belov, Vladimir
    et al.
    Paldyaev, Nikolay
    Shamaev, Alexey
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Matlab/Simulink Model of an Active Power Filter Based on Multi-stage Inverter Architecture2005In: 5th WSEAS International Conference on power systems and electromagnetic compatibility: PSE'05, 2005Conference paper (Refereed)
  • 9. Belov, Vladimir
    et al.
    Paldyaev, Nikolay
    Shamaev, Alexey
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Mathematical Modeling of Conducted EMI in an Independent Power Supply System Including Power Line Communication Technology2007In: IEEE International Symposium on Power Line Communications and Its Applications: ISPLC 2007, Pisa, Italy, Piscataway, N.J.: IEEE , 2007, p. 360-365Conference paper (Refereed)
  • 10. Belov, Vladimir
    et al.
    Shamaev, Alexey
    Leisner, Peter
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Magnhagen, Bengt
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    A simulation-based spectral technique for power quality and EMC design of an independent power system2006In: International Journal of Emerging Electric Power Systems: IJEEPS, ISSN 1553-779X, Vol. 7, no 1, p. 1-22Article in journal (Refereed)
  • 11.
    Chedid, Michel
    et al.
    Department of Electrical Engineering, Saab Training Systems AB, Sweden.
    Nilsson, Hans
    Department of Electrical Engineering, Saab Training Systems AB, Sweden.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems. Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Welinder, Jan
    Department of Electronics, SP Technical Research Institute of Sweden, SE-50115 Borås, Sweden.
    Realisation of an Active Inductance for a Low Power High Bandwidth DC Power Line Communication Network Transceiver2010In: AEU - International Journal of Electronics and Communications, ISSN 1434-8411, E-ISSN 1618-0399, Vol. 64, no 10, p. 947-952Article in journal (Refereed)
    Abstract [en]

    An active inductor based on an improved gyrator circuit is proposed. The active inductor is developed to be implemented in a high impedance transceiver for a wearable DC power line communication network where requirements such as low power consumption, high bandwidth and numerous nodes support are prioritized. A load isolation step is introduced to ensure the stability of the active inductance's size on different load currents. The proposed gyrator circuit is analyzed and optimized by means of theoretical calculations. The theoretical results are then verified by simulations and experiments in the frequency range up to 10 MHz.

  • 12.
    Holsmark, Rickard
    et al.
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. JTH. Research area Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. JTH. Research area Embedded Systems.
    Kumar, Shashi
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. JTH. Research area Embedded Systems.
    On Connecting Cores to Packet Switched On-Chip Networks: A Case Study with MicroBlaze Processor Cores2004In: 7th IEEE Workshop DDECS 04, Slovakia, 18-21 April, 2004, 2004Conference paper (Refereed)
    Abstract [en]

    The idea of using on chip packet switched networks for interconnecting a large number of IP cores is very practical for designing complex SoCs since it gives possibility of not only reusing IP cores but also the interconnection infrastructure. However, the real effort and time in using these Networks on Chip (NoC) goes in developing interfaces for connecting cores to the on-chip network. Standardization of interfaces for these cores can speed up the development process. In this paper, we present our work of developing an interface for a standard bus called OPB to the on-chip network. Any cores having OPB as the wrapper can reuse this interface. The paper also describes implementation of a small NoC prototype using this idea on an FPGA platform. The performance measurements on the prototype not only demonstrate the feasibility of NoC implementation but also demonstrate that FPGA based NoC implementation will be able to meet the performance requirements in many application areas. Specifically, we show that a core can communicate 2.5 MPackets/sec to a neighboring core.

  • 13.
    Johansson, Alf
    et al.
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Shen, Wei
    Mid Sweden University, Information Technology and Media.
    Xu, Youzhi
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    An ANT based Wireless Body Sensor Biofeedback Network for Medical E-Health Care2011In: Proceeedings of the 7th International Conference on Wireless Communication Networking and Mobile Computing: Volume 4. Network Performance, Security and Applications. Mobile Computing Systems, IEEE , 2011Conference paper (Refereed)
    Abstract [en]

    This paper presents an ultra low power wireless insole sensor biofeedback and gait analysis system for rehabilitation of balance control for post stroke patients and gait related rehabilitation. The system integrates ANT wireless protocol, a wireless home E-health care sensor network and open-source mobile devices technology. The paper also presents methods to time synchronize the two sole sensors. The system has been evaluated and it shows good performance in power consumption, communication latency and coexistence with WiFi/Bluetooth/GSM.

  • 14. Kommineni, Bhavani Prasad
    et al.
    Srinivasan, Rajkumar
    Holsmark, Rickard
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. JTH. Research area Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. JTH. Research area Embedded Systems.
    Kumar, Shashi
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering. JTH. Research area Embedded Systems.
    Modeling and Evaluation of a NoC-Internet Interface2004In: Swedish System on Chip Conference, Båstad, April 13-14, 2004, 2004Conference paper (Other (popular scientific, debate etc.))
    Abstract [en]

    A bridge will be required to interface a multi-core SoC, built using NoC paradigm, to the external world through Internet. In this paper we discuss and compare options for implementation of such a bridge. We have modeled one option in order to study the performance of the bridge with respect to buffer sizes and communication traffic rates. Our study shows that small buffer in the bridge is sufficient to achieve a bandwidth of at least 10 Mbits/s.

  • 15. Lindgren, Mats
    et al.
    Belov, Ilja
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Danielsson, Torkel
    Gunnarsson, Niklas
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Leisner, Peter
    Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing - Surface technology. Jönköping University, School of Engineering, JTH. Research area Robust Embedded Systems.
    Multi-disciplinary Approach to Design of a Power Electronics Module for Harsh Environments2009In: Thermal, Mechanical and Multi-Physics simulation and Experiments in Microelectronics and Microsystems, 2009: EuroSime 2009, 2009, p. 1-8Conference paper (Refereed)
    Abstract [en]

    A set of experimental and computer simulation methods has been applied to reliability analysis of a newly designed resin transfer molded power electronics module for automotive applications, comprising the glass-fiber epoxy multi-layer PCB, populated with various electronic packages. Evaluation of thermo-mechanical stability, determination of moisture ingress, and testing the adhesion quality between the molding compound and the module PCB have been performed along with investigation of heat transfer paths in the module. The experiments in harsh environments have revealed thermo-mechanical stability and acceptable moisture ingress for the module test samples with relatively large BGA components on the glass-fiber epoxy PCBs of different thickness and different solder mask types. Thermal images of the module have been obtained and the CFD model was created and validated with temperature measurements in power-on tests. Extreme heat dissipation modes have been studied by modeling.

  • 16.
    Nazir, Mian Hammad
    et al.
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Xu, Youzhi
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Johansson, Alf
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Optimal Dynamic Frame-Slotted Aloha: (ODFSA)2011In: Optimal Dynamic Frame Slotted Aloha, Proceedings of the 7th International Conference on Wireless Communications Networking and Mobile Computing, Wuhan China, Sep 23, 2011 - Sep 25, 2011: ODFSA / [ed] Mian Hammad Nazir,Youzhi Xu,Alf Johansson, IEEE: IEEE , 2011, p. 1-4Conference paper (Refereed)
    Abstract [en]

    Passive UHF RFID systems using Dynamic Frame-Slotted ALOHA (DFSA) adjust the frame size according to the number of tags, but frame size N is equals to 2^Q and cannot be adjusted exactly to the number of tags to be identified. In this paper, we propose an optimal Aloha algorithm (ODFSA), which uses probabilistic approach for tags to access the frame. The Query or Query Adjust packet contains both the parameter Q and P called frame access probability, which represents the ratio of number of active tags in the current frame to the estimated total number of tags which remain to be identified in the system. Estimation of number of unread tags is updated after end of each frame; parameters Q and P are calculated and informed at the beginning of each frame. Mathematical analysis and computer simulations show that the proposed Aloha achieves maximum system efficiency, utilizes less number of slots compared with other algorithms and also takes less identification time.

     

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