Piezomotors
Dr. V. Lavrinenko – Kiev Technical University, Ukraine
A. Tyshko – Halliburton, USA
Exton April 2, 2008
Piezom...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Ukrainian patents
V. Lavrinenko, Ph. D. E. E, A.Tyshko, P...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Scope
1. Introduction to the principles of operation
2. P...
Electrical to mechanical energy conversion
Electromagnetic motor – traditional motors using magnetic field created
by elec...
Principles of operation
Input power – AC voltage - is applied to the piezoceramic actuator of the
piezomotor at the resona...
6
Piezomotors, presentation April 2, 2008
Direct contact between Piezoelement PE and rotor
V. Lavrinenko, A. Tyshko
AC gen...
7
Piezomotors, presentation April 2, 2008
Friction contact between Piezoelement PE and rotor via pusher
V. Lavrinenko, A. ...
8
Piezomotors, presentation April 2, 2008
Reversible piezomotor
V. Lavrinenko, A. Tyshko
Counterclockwise
rotating motor
C...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Application of the piezomotors are based on the following...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Piezomotors, presentation April 2, 2008
V. Lavrinenko, Ph...
Piezomotors, presentation April 2, 2008
“Hedgehog” pusher design, current production
by Piezoelectronic Lab
Piezomotors, p...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
100W piezomotor, 10n*m torque @ 100rpm, OD 120mm
by Piezo...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
50n*m torque @ 20rpm, OD 120mm
by Piezoelectronic Lab
Pie...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Reversal piezomotor with position sensor for computer con...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Ball valve with reversal piezomotor actuator, more than
1...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Different ball valves by Piezoelectronic Lab
Piezomotors,...
Piezomotors, presentation April 2, 2008
Proposed actuator for electromechanical high current switch
by Piezoelectronic Lab...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Proposed actuator for electromechanical high current swit...
19
Linear piezomotor,
Manufactured by PI – Germany, first samples produced by Piezoelectronic Lab
V. Lavrinenko, A. Tyshko...
Piezomotors, presentation April 2, 2008
V. Lavrinenko, A. Tyshko
Torque vs. rpm for wave ultrasonic motor OD 40mm
Informat...
21
PZT ceramic parameters drift vs. time and temperature,
Information from PI - Germany
Piezomotors, presentation April 2,...
22
Piezomotors, presentation April 2, 2008
Summary
1. Piezomotors may solve some problems with high current /
high voltage...
23
Piezomotors, presentation April 2, 2008
Contacts
Viacheslav Lavrinenko, Ph. D. in E.E.
Laboratory of Piezoelectronics, ...
24
Piezomotors, presentation April 2, 2008
References
Survey of the Various Operating Principles of Ultrasonic Piezomotors...
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Piezomotors presentation for Halliburton, V. Lavrinenko, A. Tyshko 2008

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Piezomotors, Presentation at Halliburton facility (NUMAR) in Exton, PA, 2008 on principles of operation and possible applications for oil and gas industry. Dr. V. Lavrinenko designed the first practical piezomotor in 1964 (USSR Patent #217509, 1965) and later designed and produced in Kiev Polytechnic Institute a line of piezomotors for different applications. A.Tyshko, Principal E. E. at Halliburton and a former Dr. V. Lavrinenko co-worker in Kiev Polytechnic Piezoelectronics Laboratory, is involved in the design of the logging tools for oil and gas industry.

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Piezomotors presentation for Halliburton, V. Lavrinenko, A. Tyshko 2008

  1. 1. Piezomotors Dr. V. Lavrinenko – Kiev Technical University, Ukraine A. Tyshko – Halliburton, USA Exton April 2, 2008 Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  2. 2. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Ukrainian patents V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  3. 3. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Scope 1. Introduction to the principles of operation 2. Possible application for oil well logging business 3. Limiting factors Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  4. 4. Electrical to mechanical energy conversion Electromagnetic motor – traditional motors using magnetic field created by electrical current flowing through the windings, exciting magnetic field and producing mechanical force, converting into torque. Piezomotor – other kind of motors using electrical field – voltage – applied to the piezoactuators, converting mechanical vibration of the actuator into force through the mechanical contact. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  5. 5. Principles of operation Input power – AC voltage - is applied to the piezoceramic actuator of the piezomotor at the resonant frequency thus exciting mechanical vibrations of the actuator located mostly in the stator of motor. Piezoelectric ultrasonic motors are driven by tangential stresses in the interface between stator and rotor (direct contact) or pusher and rotor (indirect contact). These stresses are generated by elliptical motion of the material points of the stator or rotor surfaces and depend on frictional processes in the contact area. The contact mechanics of the piezoelectric ultrasonic motors determines the operational characteristics like rotational or linear speed and torque or force or transmitted mechanical power and efficiency. Lifetime and wear properties of piezoelectric motors are also determined by contact mechanics and depend upon temperature Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  6. 6. 6 Piezomotors, presentation April 2, 2008 Direct contact between Piezoelement PE and rotor V. Lavrinenko, A. Tyshko AC generator Piezoelement Rotor Point of contact Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  7. 7. 7 Piezomotors, presentation April 2, 2008 Friction contact between Piezoelement PE and rotor via pusher V. Lavrinenko, A. Tyshko Pusher Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  8. 8. 8 Piezomotors, presentation April 2, 2008 Reversible piezomotor V. Lavrinenko, A. Tyshko Counterclockwise rotating motor Clockwise rotating motor Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  9. 9. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Application of the piezomotors are based on the following properties 1. simplicity; 2. small size and small step – widely used for cameras, optical systems scanning and micromanipulators, minimal step may be in order of the fractions of angle second so piezomotor is considered the ideal positioning device; 3. high torque – up to 50N*m (~35lb*ft) for currently produced motors – used for ball valves for gas, oil and other liquids – currently produced in Ukraine, 500,000 cycles; 4. low rpm without the gearbox and wide speed range (from <1 to >5,000 rpm) make possible direct drive; 5. nonmagnetic application – used for NMR systems in medical equipment; 6. low noise operation both mechanical and magnetic; 7. ability to work up to 250C and higher depending on the piezoceramic; 8. piezomotor combines motor and a break eliminating a need in separately controlled breaks; 9. piezomotor output power does not depend upon the mass of the rotor thus providing low delay time, which is important for close loop systems; 10. piezomotor is able to reconnect electrical circuitries in milliseconds making possible to switch current while voltage is crossing zero; 12. reliability and lifetime depend upon a friction pair and currently is in the range of 500 to over 5,000 hours for room temperature, sample tested for 50h at 200C. 13. mechanical overload does not destroy piezomotor Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  10. 10. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  11. 11. Piezomotors, presentation April 2, 2008 “Hedgehog” pusher design, current production by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  12. 12. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko 100W piezomotor, 10n*m torque @ 100rpm, OD 120mm by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  13. 13. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko 50n*m torque @ 20rpm, OD 120mm by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  14. 14. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Reversal piezomotor with position sensor for computer control by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  15. 15. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Ball valve with reversal piezomotor actuator, more than 10,000 produced by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  16. 16. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Different ball valves by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  17. 17. Piezomotors, presentation April 2, 2008 Proposed actuator for electromechanical high current switch by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D, A.TyshkoV. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  18. 18. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Proposed actuator for electromechanical high current switch by Piezoelectronic Lab Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  19. 19. 19 Linear piezomotor, Manufactured by PI – Germany, first samples produced by Piezoelectronic Lab V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  20. 20. Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Torque vs. rpm for wave ultrasonic motor OD 40mm Information from PI - Germany Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  21. 21. 21 PZT ceramic parameters drift vs. time and temperature, Information from PI - Germany Piezomotors, presentation April 2, 2008 V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  22. 22. 22 Piezomotors, presentation April 2, 2008 Summary 1. Piezomotors may solve some problems with high current / high voltage electromechanical switches operating downhole especially in the strong magnetic fields – in NMR antennas. 2. Low rpm / high torque actuators may be used for calipers 3. Remote controlled ball valves operating without gearboxes are tested, manufactured and used in Ukraine, they may reliably regulate oil, gas, water or mud flows. 4. With over 40 years of experience with piezoceramic materials Dr. Lavrinenko and his Laboratory of Piezoelectronics of National Technical University “KPI” in Kiev, Ukraine may be useful for energy service companies in wide range of applications including piezomotors and other actuators and piezotransformer based power supplies. V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  23. 23. 23 Piezomotors, presentation April 2, 2008 Contacts Viacheslav Lavrinenko, Ph. D. in E.E. Laboratory of Piezoelectronics, KPI, Kiev, Ukraine 038-044-454-9208 wk, email hor@ee.ntu-kpi.kiev.ua Alex Tyshko, Principal Technical Professional (EE) Halliburton Exton, PA, USA 1-484-329-2979 wk, email alex.tyshko@halliburton.com V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 Email addresses updated 2013 v_lavr@voliacable.com atyshko01@comcast.net V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.
  24. 24. 24 Piezomotors, presentation April 2, 2008 References Survey of the Various Operating Principles of Ultrasonic Piezomotors http://www.pi-usa.us/technotes/Actuator2006_SurveyoftheVariousOperatingPrinciplesofUltrasonic Piezoceramic Materials http://www.piceramic.de/pdf/piezo_material.pdf Laboratory of Piezoelectronics, Kiev Technical University http://www.ntu-kpi.kiev.ua/lab/pp/index.htm A list of over 150 patents (the first operational piezomotor by V. Lavrinenko – patent USSR #217509 priority May 10, 1965) and articles is available upon request V. Lavrinenko, A. Tyshko Piezomotors, presentation April 2, 2008 V. Lavrinenko, Ph. D. E. E, A.Tyshko, Principal E. E.

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