Joachim Wiesemann, Areas of Knowledge, Experience, Patents, Web Sites



Joachim Wiesemann

Ph.D. in Electrical Engineering,
IEEE Senior Member

Areas of Knowledge and Experience

  • Control of induction machines
  • Digital, linear and non linear control
  • Process automation
  • Numerical analysis, simulation and system analysis
  • Software development for embedded systems and real-time operation
  • Programming languages:
    c, c++, FORTRAN, Pascal, PLM, div. BASIC, var. Assembler, SQL, PHP, JavaScript, Perl
  • Processors:
    Coldfire, ARM, XC167, C167, DSP 56xxx, ADSP 2199x, TMS320C30, TMS320C25, 80x86
  • Network- and Bussystems:
    TCP/IP, UDP, EtherCAT, PPROFINET, CAN, Profibus, Modbus, RS232, I2C, SPI
  • Usability
  • Web authoring / web design:
    HTML, CSS, JavaScript, PHP, MySQL, usability, accessibility
  • Internet / Intranet:
    Security concepts, firewalling, networks, web server


  • "Method and apparatus for controlling the movement path of the workpiece supporting head of an orbital vibration welding system" 
    EP0920120 (DE 19752707)
  • "Method for according to the direct self-regulation operated induction machine" 
    EP 96105935 (DE 19514897)
    together with Manfred Depenbrock and Dieter Maischak
  • "Method and device for controlling the middle potential of a DC-side series connection of two two-point traction inverters" 
    EP 93111421 (DE 4223605)
    together with Manfred Depenbrock


  • 1990: Diploma in Electrical Engineering
    awarded by the Ruhr-Universität Bochum
    Specializations in: electronic circuits and measurement, electrical power engineering
  • 1995: Ph.D. in Electrical Engineering
    awarded by the Ruhr-Universität Bochum
    Doctoral thesis: "Erhöhung der Stromausnutzung von Hochleistungswechselrichtern für Traktionsantriebe mit direkter Selbstregelung (DSR)"
    [Increase of current utilization of high-performance inverters for traction drive with direct self-control (DSC)]
    Published by the VDI-Verlag as "Fortschrittberichte Meß-, Steuerungs- und Regelungstechnik (Reihe 8), Nr. 534"

Employment History

  • Research associate at the Institute for Electrical Power Engineering and Power Electronics at the Ruhr-Universität Bochum
    • Research in and development of drive controls
    • Design and implementation of operating systems for heterogeneous multi-processor systems
    • Software development for fixed and floating point DSP
    • Development of simulation software for PCs
    • Setup and administration of the department's network (Netware)
  • Development engineer and assistant R&D manager at Vectron-Elektronik GmbH
    • Project management
    • Research and development of control strategies
    • Software development for 80C167 ┬ÁC
    • Design and implementation of a real-time operating system
    • Circuit design for measurement electronics
    • Development of PC-interface software for frequency converters
  • Maintenance manager for Valuta-Direct® systems at IBM
    • Project management
    • Fault diagnosis and analysis of database-based online trading platforms
  • Foundation of

Web sites

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