Accuracy in force estimation applied on a piezoelectric fine positioning system for machine tools

• Autorzy: Uhlmann Eckart , Polte Mitchel , Triebel Florian , Overbeck Rasmus , Thom Simon

Identyfikatory

DOI

10.36897/jme/134002

• Języki publikacji: EN

Abstrakty

EN

In order to improve the accuracy of machine tools, the use of additional active modules meeting the requirements of the “Plug & Produce” approach is focused. In this context one approach is the installation of a high precision positioning table for online compensation of machine tool deflections. For the model-based determination of the deflection, the knowledge of the effecting process force is crucial. This article examines the use of displacement sensors for force estimation in a piezoelectric system. The method is implemented on a high precision positioning table applicable in milling machine tools. In order to compensate nonlinear effects of piezoelectric actuators, a hysteresis operator is implemented. Experimental investigations are carried out to quantify the influence of preload stiffness, preload force and workpiece weight. Finally, a resolution d ≤ 78 N could be achieved and further improvements to meet the requirements for online compensation of machine tool deflection are discussed.

Słowa kluczowe

EN

force estimation; piezoelectric actuator; machine tool deflection; online compensation

• Wydawca: Wydawnictwo Wrocławskiej Rady FSNT NOT
• Czasopismo: Journal of Machine Engineering
• Rocznik: 2021
• Tom: Vol. 21, No. 2
• Strony: 24--34
• Opis fizyczny: Bibliogr. 16 poz., rys., tab.

Twórcy

autor

Uhlmann Eckart

• Institute for Machine Tools and Factory Management IWF, TU Berlin, Germany
• Institute for Production Systems and Design Technology IPK, Fraunhofer, Germany

autor

Polte Mitchel

• Institute for Machine Tools and Factory Management IWF, TU Berlin, Germany
• Institute for Production Systems and Design Technology IPK, Fraunhofer, Germany

autor

Triebel Florian

• Institute for Machine Tools and Factory Management IWF, TU Berlin, Germany

autor

Overbeck Rasmus

• Institute for Machine Tools and Factory Management IWF, TU Berlin, Germany

autor

Thom Simon

• Institute for Machine Tools and Factory Management IWF, TU Berlin, Germany

Bibliografia

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• [4] DENKENA B., MÖHRING H.-C., WILL J.C., 2007, Tool Deflection Compensation with an Adaptronic Milling Spindle, in: International Conference on Smart Machining Systems (ICSMS), Gaithersburg, USA.
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• [12] KAWAMATA A., KADOTA Y., HOSAKA H., MORITA T., 2008, Self-Sensing Piezoelectric Actuator Using Permittivity Detection, Ferroelectrics, 368/1, 194–201.
• [13] ISLAM M., SEETHALER R., MUMFORD D., 2011, Hysteresis Independent On-Line Capacitance Measurement for Piezoelectric Stack Actuators, 24th Canadian Conference on Electrical and Computer Engineering (CCECE), IEEE, 1149–1153.
• [14] ZARIF MANSOUR S., SEETHALER R., 2018, Simultaneous Quasi-Static Displacement and Force Self-Sensing of Piezoelectric Actuators by Detecting Impedance, Sensors and Actuators A: Physical, 274, 272–277.
• [15] KIANINEJAD K., THOM S., KUSHWAHA S., UHLMANN E., 2016, Add-on Error Compensation Unit as Sustainable Solution for Outdated Milling Machines, Procedia CIRP, 40, 174–178.
• [16] RAKOTONDRABE M., 2012, Classical Prandtl-Ishlinskii Modeling and Inverse Multiplicative Structure to Compensate Hysteresis in Piezoactuators, American Control Conference, Montréal, Canada.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).