Article


Cover

№3 2019

Title

Mathematical modeling of piezoelectric step-engine work

Authors

1A.V. Azin, 2S.A. Kuznetsov, 1S.A. Ponomarev, 1S.V. Ponomarev, 1S.V. Rikkonen

Organizations

1Tomsk State University
Tomsk, Russian Federation
2JSC Academician M. F. Reshetnev Information Satellite Systems
Zheleznogorsk, Krasnoyarsk region, Russian Federation

Abstract

In the article the results of new piezoelectric step-engine research are presented. The original construct of piezoelectric step-engine is contained in special engineering lever called grab device that can organize back and forward rod’s motion with only one piezo element activity. To choose the effective process of piezoelectric step-engine work the mathematical model was created. This mathematical model describes inner piezoelectric step-engine process like a non-linear vibrational system. The mathematical model identifies speed of piezoelectric step-engine elements over the vibration period with different frequency, load level and voltage. The prototype of piezoelectric step-engine was produced. Experimental issues were conducted. Piezoelectric step-engine’s technical specifications are positioning accuracy over 10–6 meter, speed of movement over 10 mm per minute with weight of load to 1 kg and voltage to 100 Volt. On the results of experimental research it is defined that mathematical model enables to model working process of piezoelectric stepengine with an error not more than 10 %. This research verifies viability of proposed construction and provides the way to increase output power of piezoelectric step-engine.

Keywords

piezoelectric motor, step-engine, sawtooth driving signal, mathematical model, PZT stack

References

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For citing this article

Azin A.V., Kuznetsov S.A., Ponomarev S.A., Ponomarev S.V., Rikkonen S.V. Mathematical modeling of piezoelectric step-engine work // Spacecrafts & Technologies, 2019, vol. 3, no. 3, pp. 164-170. doi: 10.26732/2618-7957-2019-3-164-170


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