Theoretical foundations of nonlinear electromagneto-mechanical systems: applying Finsler geometry to Kibble Balances
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909344086360064 |
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| author | Rizza, Pierluigi Ansalone, Patrizio |
| author_facet | Rizza, Pierluigi Ansalone, Patrizio |
| contents | Kibble balances are energy-conversion devices currently employed to realize the metrological redefinition of the kilogram unit of mass. The authors, noticing that the literature lacks a fundamental mathematical description of the Kibble balance working principle, propose a differential geometric approach to study general non-linear electromagneto-mechanical systems. Based on the application of Finsler geometry, the mathematical apparatus introduced in the paper is used to analyze the limits of modern Kibble balances, with particular attention to the magnetic design. The authors review the formalism introduced by G. Kron (who proposed a unified theory of electrical machines) and extend it to non-linear systems. Numerical simulations are presented to show the difference between a linear and non-linear analysis of Kibble balance machines, with attention to the hysteretic behaviour of the permanent magnet system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_07232 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Theoretical foundations of nonlinear electromagneto-mechanical systems: applying Finsler geometry to Kibble Balances Rizza, Pierluigi Ansalone, Patrizio Classical Physics Kibble balances are energy-conversion devices currently employed to realize the metrological redefinition of the kilogram unit of mass. The authors, noticing that the literature lacks a fundamental mathematical description of the Kibble balance working principle, propose a differential geometric approach to study general non-linear electromagneto-mechanical systems. Based on the application of Finsler geometry, the mathematical apparatus introduced in the paper is used to analyze the limits of modern Kibble balances, with particular attention to the magnetic design. The authors review the formalism introduced by G. Kron (who proposed a unified theory of electrical machines) and extend it to non-linear systems. Numerical simulations are presented to show the difference between a linear and non-linear analysis of Kibble balance machines, with attention to the hysteretic behaviour of the permanent magnet system. |
| title | Theoretical foundations of nonlinear electromagneto-mechanical systems: applying Finsler geometry to Kibble Balances |
| topic | Classical Physics |
| url | https://arxiv.org/abs/2410.07232 |