Simplifications in modelling of dynamical response of coupled electro-mechanical system

Radoslav Darula*, Sergey Sorokin

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

3 Citations (Scopus)

Abstract

The choice of a most suitable model of an electro-mechanical system depends on many variables, such as a scale of the system, type and frequency range of its operation, or power requirements. The article focuses on the model of the electromagnetic element used in passive regime (no feedback loops are assumed) and a general lumped parameter model (a conventional mass–spring–damper system coupled to an electric circuit consisting of a resistance, an inductance and a capacitance) is compared with its simplified version, where the full RLC circuit is replaced with its RL simplification, i.e. the capacitance of the electric system is neglected and just its inductance and the resistance are considered. From the comparison of dynamical responses of these systems, the range of applicability of a simplified model is assessed for free as well as forced vibration.

Original languageEnglish
JournalJournal of Sound and Vibration
Volume385
Pages (from-to)402-414
Number of pages13
ISSN0022-460X
DOIs
Publication statusPublished - 22 Dec 2016

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