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Influence of the actuation waveform on the performance of piezoelectric stick-slip actuators

Pfeffer, Daniel and Scholz, Christian and Belly, Christian and Wäsche, Rolf and Schlaak, Helmut F. and Pott, Peter P. (2015):
Influence of the actuation waveform on the performance of piezoelectric stick-slip actuators.
Köln, In: GMM/ETG-Fachtagung - Innovative Klein- und Mikroantriebstechnik, Köln, 14.-15.09.2015, In: ETG-Fachbericht, [Conference or Workshop Item]

Abstract

Performance and efficiency of piezo-electric stick-slip actuators are dependent on the waveform of the electrical actuation of the piezo-stack. This paper compares between a conventional saw-tooth actuation with two waveforms that feature softer acceleration in order to minimize the duration of the slip-phase. It is shown that the proposed waveforms increase both maximum mechanical output power (by 43%) and overall efficiency (by 25%) of the examined actuator.

Item Type: Conference or Workshop Item
Erschienen: 2015
Creators: Pfeffer, Daniel and Scholz, Christian and Belly, Christian and Wäsche, Rolf and Schlaak, Helmut F. and Pott, Peter P.
Title: Influence of the actuation waveform on the performance of piezoelectric stick-slip actuators
Language: English
Abstract:

Performance and efficiency of piezo-electric stick-slip actuators are dependent on the waveform of the electrical actuation of the piezo-stack. This paper compares between a conventional saw-tooth actuation with two waveforms that feature softer acceleration in order to minimize the duration of the slip-phase. It is shown that the proposed waveforms increase both maximum mechanical output power (by 43%) and overall efficiency (by 25%) of the examined actuator.

Series Name: ETG-Fachbericht
Volume: 146
Place of Publication: Köln
Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design > Microtechnology and Electromechanical Systems
Event Title: GMM/ETG-Fachtagung - Innovative Klein- und Mikroantriebstechnik
Event Location: Köln
Event Dates: 14.-15.09.2015
Date Deposited: 03 Nov 2015 09:18
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