Miodrag Prokic

SPECIFIC EXPERIENCE (Key Areas):

ULTRASONICS, Transducers, Piezoceramics, Sensors, Ultrasonic Generators, Ultrasonic Cleaning, Welding, Material Processing, Environmental protection, Water Purification, Ultrasonic Sterilization, Ultrasound in liquid and solid metal processing, Ultrasonic Homogenization, Polymerization, De-polymerization, Ultrasonic Extractions...

1. Ultrasonic industrial engineering:

   • Sensors and Transducers design, characterization and optimization.
   • High-temperature and high-pressure rigid ultrasonic sensors.
   • Piezoelectric material diagnostic and characterization.
   • Ultrasonic Material Processing, Sonochemistry, Liquid Processing, Pasteurization, Biodegradation, Ultrasonic Sedimentation, Ultrasonic Filtering, Ultrasonic Extractions, Waste Waters Treatment...
   • Acoustical and electric coupling and matching (with solids, liquids and gases). Determination of models of electromechanical structures.
   • High Power Ultrasonics (Cleaning, Welding: Design of Generators, Transducers, Boosters/Sonotrodes/Horns).
   • Ultrasonic Liquid Metal Processing, Homogenization, Alloying, Crystallization, Solidification, Microstructure modification...
   • Ultrasonic Flow-Meter sensors.
   • NDT sensors.
   • Residual stress deliberation in solid structures, Artificial and accelerated aging…
   • Analyzing mechanical structure and parameters by electrical impedance-phase-frequency characteristics (transfer functions etc.).
   • Surface Processing: Ultrasonic coating, hardening, metal plating...

2. Spectral and vibration analysis, complex impedance measurements and system diagnostics.

3. Vibration control (product testing).

4. Energy management and transformation: Resonance Control, PLL, PWM-Switching Power Control.

5. High reliability requirements (in production of professional quality devices).

6. Basic knowledge about Programmable Industrial Automates.

EXPERIENCE:

1996 –Present MP – Interconsulting. Registered private consulting company in Ultrasonics. (Le Locle, Switzerland)

1998 – 2001 KROHNE Messtechnik, Duisburg, Germany: Consulting in piezoelectric sensors for flow metering

1996 – 1998 HAMO AG, Pieterlen, CH. Electronics Engineer, Consultant. Optimization of Ultrasonic Cleaning equipment. (June 10, 1996 – Feb 28, 1998)

1995 – 1996 Freelance expert in Ultrasonics: Consulting, Research, applications (Transducers, Piezoceramics, Sensors, Generators).

1992 – 1995 KROHNE-Ultrasonic SA, Le Locle, CH: Coordinator – Leader of R&D, (Ultrasonic Flowmeters).

1991 – 1992 Freelance expert in Ultrasonics: Consulting, Research, applications (Transducers, Piezoceramics, Sensors, Generators).

1989 – 1991 BRANSON ULTRASONIC Corp., DANBURY, CT, USA. Consultant and Senior Research Engineer, Advanced Programs, Research and Development.

1988 – 1989 JBM S.A. HVC, La Chaux-de-Fonds, CH. Technical Director, responsible for the manufacturing of highly reliable military glass-metal connectors.

1977 – 1988 ELECTRONIC INDUSTRY CORPORATION, Nis, YU.

• Project leader, directly responsible for design and development of ultrasonic welding and cleaning equipment.
• Process Engineer in the production of Geophone for professional use.
• Some experience in semiconductor industry and plasma-gas discharges.
• Some experience in surface protection.
• Experience in mechanical vibration and shock testing and spectral analysis.

EDUCATION:

1982 Master of Science in Electrical Engineering, Department of Electronic Engineering, University of Nis, YU. MS Thesis: "The Influence of Ultrasonic Vibrations on Electrical Breakdown in Gases".

1975 Bachelor of Science in Electrical Engineering, Department of Electronic Engineering, University of Nis, YU. BS Thesis: "Mathematical and Other Analogies between Various Physics Phenomena".

1985 – 1988 Started doctoral thesis. University of Belgrade, Center for Multidisciplinary Studies, YU. Ph.D. Thesis: "Principals of Design and Operations of High Power Ultrasonic Sources for Specific Technologies". Left the country in 1988, before the final defense of Ph.D.

1992 – Present Different computer, design and other courses (continuous education in CH).

2001 – Present Currently working on Ph.D. in High Power Ultrasonics on the University of Cape Town.