Highly Integrated Linear Direct Drive for Short Strokes
J. Ziske, T. Bödrich, H.Basler, Q. Sun, J. Lienig
Technische Universität Dresden, Dresden, Germany
In this paper a newly developed, very compact and multifunctional single-phase linear direct drive for short strokes is presented. The innovative ball guide, the high-resolution position sensor and the motor driver as well as the motor controller are completely integrated into the actuator, resulting in an easy-to-use drive unit for various industrial applications. The moving-magnet operation principle with slotted stator winding offers 14 mm travel, high forces of up to 90 N, low response times down to 20 ms for a controlled 12 mm step in a compact overall volume of 225 cm3. In addition to a serial interface an EtherCAT-fieldbus connection is currently integrated into the unit. The embedded flatness based position control allows fast responses without overshoot. Sensorless force measurement and control is also implemented.
ACTUATOR 2016 Manuscript P 27
Publication date: 01/06/2016
Manuscript P 27 published in Conference Proceedings ACTUATOR 2016
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