Vytautas Blechertas
 
     
Position:

Piezo Engineer
Mechatronics Center for Research
Kestucio st. 27, 3004 Kaunas, Lithuania
Tel.: +370 37 300900
E-mail: blechertase-mailtopolis.ktu.lt

  
 
Education:

Ph.D. in Mechanical Engineering (2004-2007)
Kaunas University of Technology, Lithuania
Dissertation title: “Research and Development of Resonant
Non-harmonic Vibration Piezoelectric Motors”
Scientific advisor: Professor R. Bansevicius

M.S. in Mechanical Engineering (with honours) (2002-2004)
Kaunas University of Technology, Lithuania

B.S. in Mechanical Engineering (Mechatronics) (with honours) (1998-2002)
Kaunas University of Technology, Lithuania
 
Research interests: Ultrasonic motors, piezomechanics, actuators, mechanical vibrations, numerical simulations, nanoscale measurements, “smart” materials
 
Professional experience:

Piezo Engineer at the Mechatronics Centre for Research, Kaunas University of Technology, Lithuania (Since 2007):

  • Ultrasonic motors development (in scope with my Ph.D. work);
  • Laboratory equipment maintenance;
  • International EU projects management.

Internship at Jozef Stefan Institute, Department of Ceramics, Ljubljana, Slovenia (Autumn 2005):
Analysis of bulk piezoceramic actuators dynamics by ANSYS FEA computer software.

Test Engineer at Serwocell Ltd., England,UK (Summer 2004) (copy of a recommendation letter is available):
Performed environmental testing and characterization of piezoelectric devices.

  • Improved existing test and measurement systems;
  • Computer control and interfacing of measurement and control systems;
  • Design and construction of test rigs (part ordering, machining, assembly);
  • Mechanical tools, laboratory equipment and thermal chambers operation;
  • Experiment setup;
  • Analysis and presentation of acquired data.

Internship at Hysitron Inc., Minneapolis, MN, USA (Summer 2003) (resulted in a certificate of proficiency in nanoscale measurements):
Conducted nanoindentation and ultrasound assisted thin-films nanofatigue research employing AFM based nanomechanical material hardness testing equipment.

  • Operation of AFM based nano-indentation systems and laboratory equipment;
  • Experiment planning and setup;
  • Analysis and presentation of acquired data.
   
 
Key qualifications:
  • Expertise in piezoelectric ultrasonic motors design;
  • Hands-on piezoceramics application and testing experience;
  • Hands-on nanoscale materials characterization experience;
  • Creative problem solving in a fast-paced research and development environment.

Instrumentation skills:

  • Laser vibrometry (Polytec) and laser holography (Hytec) measurement systems;
  • Nanomechanical test instruments: AFM (DI) and nano-indentation systems (Hysitron);
  • Laboratory equipment operation and problem-solving skills.

Software skills:

  • LabView, ANSYS (FEA package), Matlab, SolidWorks, AutoCAD.
  • Computer hardware and software problem solving skills.
 
Language skills:

 Lithuanian (native), English (fluent), Russian (fluent), Polish (fluent), German (poor)
 
Key publications and patent application:
  1. A. Daugela, V. Blechertas, Oden L. Warren, Hiroshi Kutomi, Thomas J. Wyrobek, “Ultra-Thin Film Ultrasonic Characterization”, Proc. of 2003 STLE/ASME Joint Int. Tribology Conf., October 2003, Ponte Vedra Beach, Florida USA, 2003, ISBN 0791837068, p. 111-114.
  2. Bansevicius R., Blechertas V., Tolocka R. T., "Active material application for shock and impact energy absorbtion", Ultrasound, Kaunas University of Technology, ISSN 1392-2114, Kaunas: Technologija, 2004, 4(53), p. 46-48.
  3. Blechertas V., Bansevicius R., M. Santo Zarnik “Modeling of non-harmonic vibration piezomotor's actuator”, Mechanika 2006: Proc. of the11th Int. Conf., 2006 April 6-7, Kaunas University of Technology, ISSN 1822-2951, p. 43-44.
  4. Bansevicius R., Blechertas V., "Multi-degree-of-freedom piezoelectric motors for low cost devices and toys", Actuator 2006: 10th Int. Conf. on New Actuators, 2006, ISBN 3-933339-08-1, p. 621-623.
  5. Blechertas V., Bansevicius R., "Non–harmonic vibration ultrasonic motors", Vibroengineering 2006: Proc. of the 6th Int. Conf., October 12-14, 2006, Kaunas, Lithuania, Kaunas University of Technology, ISSN 1822-1262, Kaunas: Technologija, 2006, p. 47-48.
  6. Bansevicius R., Blechertas V., "Ultrasonic motors for mass-consumer products", Ultrasound, Kaunas University of Technology, ISSN 1392-2114, Kaunas: Technologija, 2006, 4(61), p. 50-52.
  7. Lithuanian Republic patent application, “Method of Non-harmonic Vibrations Excitation in Piezoceramic Element and Device Employing It”, No. 2006 069, 2006 08 11.
  8. Bansevicius R., Blechertas V., Multi-Degree-Of-Freedom Ultrasonic Motors for Mass-Consumer Devices, Journal of Electroceramics, "www.springerlink.com/content/m8w711233m02j615/" (Online First), 2007, ISSN 1385-3449.