Parameterization and optimisation of EMC balances based on the frequency response of the impedance |
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| Affiliation: | 1. Sartorius Weighing Technology GmbH, Göttingen, Germany;2. Ilmenau University of Technology, Institute of Process Measurement and Sensor Technology, Ilmenau, Germany;1. LNE, 29 avenue Roger Hennequin, 78197 Trappes, France;2. TOTAL, 2 place Jean Millier – La Défense 6, 92078 Paris La Défense, France;3. TENESOL, 12 allée du Levant, 69890 La Tour-de-Salvagny, France;1. Yildiz Technical University, Department of Mechanical Engineering, 34349 Besiktas, Istanbul, Turkey;2. Vienna University of Technology, Institute for Production Engineering and Laser Technology, Department of Interchangeable Manufacturing and Industrial Metrology, Karlsplatz 13/3113, A-1040 Wien, Austria;3. Istanbul Physical Medicine and Rehabilitation Training Hospital Istanbul, Orthopaedics and Traumatology Department, Turkey;4. Yildiz Technical University, Department of Mechatronics Engineering, 34349 Besiktas, Istanbul, Turkey;1. Apex Level Standards and Industrial Metrology Division, CSIR-National Physical Laboratory, New Delhi 110 012, India;2. Dept. of Mechanical, Production & Industrial Engg., Delhi Technological University, Delhi 110 042, India;1. Universidade de Évora, Centro de Geofísica de Évora, Instituto de Telecomunicações, Évora, Portugal;2. Universidade de Évora, Centro de Geofísica de Évora, Évora, Portugal;3. Institut für Angewandte Geowissenschaften, Technische Universität Darmstadt, Darmstadt, Germany;4. Instituto Superior Técnico, Universidade de Lisboa, Instituto de Telecomunicações, Lisboa, Portugal;1. Department of Engineering Mechanics, Kaunas University of Technology, K. Donelaicio 73, LT-44244 Kaunas, Lithuania;2. Department of Engineering Mechanics, Kaunas University of Technology, A. Mickeviciaus 37, LT-44244 Kaunas, Lithuania;3. Department of System Analysis, Kaunas University of Technology Studentu 50-407, LT-51368 Kaunas, Lithuania;4. Department of Machine Engineering, Vilnius Gediminas Technical University, J. Basanaviciaus g. 28, LT-03224 Vilnius, Lithuania;5. Precizika-Metrology, Zirmunu g. 139, LT-09120 Vilnius, Lithuania |
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| Abstract: | In this paper, a method for deriving significant parameters for the description of the dynamic behaviour of electromagnetic force compensated load cells (EMC) from its frequency response of the impedance is presented. With these parameters, the dynamic behaviour of a load cell can be described and classified near its main resonance frequency. By going the inverse way the load cell can be designed based on the favored parameters to fulfil certain criteria concerning the dynamic behaviour. This method is based on the estimation of parameters characterising the behaviour of electrodynamic speakers, called Thiele–Small parameters, which is state of the art for designing loudspeakers. It will be demonstrated that the controller design for EMC load cells can be based on the derived parameters. |
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| Keywords: | Dynamic EMC balance Parameter estimation Frequency response of impedance Dynamic mass measurement Thiele–Small parameters Controller design |
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