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Strain Measurement on Stiff Structures – Experimental Evaluation of Three Integrated Measurement Principles

Hatzfeld, Christian and Rausch, Jacqueline and Karsten, Roman and Werthschützky, Roland TU Darmstadt, Institut für Elektromechanische Konstruktionen, LOEWE-Zentrum AdRIA (Corporate Creators) (2011):
Strain Measurement on Stiff Structures – Experimental Evaluation of Three Integrated Measurement Principles.
In: Conference Proceedings, In: Adaptronic Congress, Darmstadt, 2011, [Conference or Workshop Item]

Abstract

This paper presents an experimental evaluation of three different strain measuring principles. Mounted on a beam resembling a car engine foundation, metal foil strain gauges, piezoresistive silicon strain gauges and piezoelectric patches are used to measure structure-borne forces to control an active mounting structure. FEM-simulation determines strains to be measured in the range of 10-8 … 10-5 m/m. These low strains cannot be measured with conventional metal foil strain gauges, as shown in the experiment conducted. Both piezoresistive gauges and piezoelectric patches show good results compared to a conventional piezoelectric force sensor. Depending on bandwidth, over-load capacity and primary electronic costs these principles seem to be worth considering in an adaptronic system design. These parameters are described in detail for the principles investigated.

Item Type: Conference or Workshop Item
Erschienen: 2011
Creators: Hatzfeld, Christian and Rausch, Jacqueline and Karsten, Roman and Werthschützky, Roland
Title: Strain Measurement on Stiff Structures – Experimental Evaluation of Three Integrated Measurement Principles
Language: English
Abstract:

This paper presents an experimental evaluation of three different strain measuring principles. Mounted on a beam resembling a car engine foundation, metal foil strain gauges, piezoresistive silicon strain gauges and piezoelectric patches are used to measure structure-borne forces to control an active mounting structure. FEM-simulation determines strains to be measured in the range of 10-8 … 10-5 m/m. These low strains cannot be measured with conventional metal foil strain gauges, as shown in the experiment conducted. Both piezoresistive gauges and piezoelectric patches show good results compared to a conventional piezoelectric force sensor. Depending on bandwidth, over-load capacity and primary electronic costs these principles seem to be worth considering in an adaptronic system design. These parameters are described in detail for the principles investigated.

Title of Book: Conference Proceedings
Divisions: Study Areas
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
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design > Measurement and Sensor Technology
Event Title: Adaptronic Congress
Event Location: Darmstadt
Event Dates: 2011
Date Deposited: 30 Nov 2011 14:42
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