Vibration Control and Preliminary Evaluation of a Piezoelectric Actuator for Use as a Force-Feedback Device

Vibration Control and Preliminary Evaluation of a Piezoelectric Actuator for Use as a Force-Feedback Device

Gaston M’boungui Betty Lemaire-Semail Frederic Giraud 

Department of Electrical Engineering Tshwane University of Technology Private bag 7680, Pretoria 0001, Republic of South Africa

Laboratoire d’Électrotechnique et d’Électronique de Puissance de Lille Université Lille 1 IRCICA, 50 av. Halley, 59650 Villeneuve d’Ascq, France

Page: 
9-26
|
DOI: 
https://doi.org/10.3166/EJEE.17.9-26
Received: 
14 September 2012
|
Accepted: 
25 March 2013
|
Published: 
30 April 2014
| Citation

OPEN ACCESS

Abstract: 

As a solution to cope with the lack of compactness and simplicity often encountered in haptic interfaces, we propose a device based on friction coefficient control principle. This device includes polarised piezoceramics well adjusted and glued to a 64x38x3 mm copper-beryllium plate supported by four legs. Then, properly energised around a resonant frequency, with legs at antinodes, a stationary wave is created in the plate. Variable friction forces between the legs and the plane substrate are created by the control of the wave amplitude, according to electro-active lubrication. So the user obtains force feedback by holding the plate, and moving it on a plane substrate, as he could do with a mouse interface. Preliminary psychophysical evaluation trends to assess the validity of the device as a force feedback interface.

Keywords: 

piezoelectric actuator, haptic, electro-active lubrication

1. Introduction
2. Device
3. Operating Principle
4. Stick/Slip Generation Condition
5. Variation of Normal and Tangential Forces
6. Control of the Vibration Amplitude
7. Experimental Set-up
8. Preliminary Device Evaluation
9. Task and Stimuli
10. Psychophysical Results
11. Discussion
12. Conclusion
Acknowledgement
  References

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