Efficient dynamic machine tool simulation with included damping and linearized friction effects

T. Semm, D. Spescha, N. Ceresa, M. F. Zaeh, K. Wegener

Research output: Contribution to journalConference articlepeer-review

10 Scopus citations

Abstract

Friction is a nonlinear phenomenon being present between moving components. For the axis of a machine tool, frictional and control effects have a strong influence on the system's dynamic behavior. Due to their nonlinearity, frictional effects are usually modeled using time consuming transient simulations. This paper presents an approach to efficiently linearize frictional effects for a given excitation based on the nonlinear behavior of the system. The linear friction models can be used together with linear models of the control for an efficient frequency domain analysis of the dynamic behavior, while preserving high accuracy.

Original languageEnglish
Pages (from-to)1442-1447
Number of pages6
JournalProcedia CIRP
Volume93
DOIs
StatePublished - 2020
Event53rd CIRP Conference on Manufacturing Systems, CMS 2020 - Chicago, United States
Duration: 1 Jul 20203 Jul 2020

Keywords

  • Control Modeling
  • Damping
  • Friction Linearization
  • Machine Tool
  • Structural Dynamics

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