Comparison of single- and two-degree-of-freedom models for passive and active vibration isolation design

Dino Sciulli; Daniel J. Inman

doi:10.1117/12.239096

1 May 1996 Comparison of single- and two-degree-of-freedom models for passive and active vibration isolation design

Dino Sciulli, Daniel J. Inman

Proceedings Volume 2720, Smart Structures and Materials 1996: Passive Damping and Isolation; (1996) https://doi.org/10.1117/12.239096
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

Abstract

The simplest model for vibration isolation design is the single-degree-of-freedom (SDOF) mass-spring-damper system. This system has been widely analyzed, however, it has been argued that the SDOF model is not a good design model and a two-degree-of-freedom (2DOF) model should be used instead. This paper delves into the limitations of the SDOF model and the advantages of the 2DOF model to design vibration isolation systems. The reduction in system transmissibility by using active damping versus passive damping is also discussed for both models.

Citation Download Citation

Dino Sciulli and Daniel J. Inman "Comparison of single- and two-degree-of-freedom models for passive and active vibration isolation design", Proc. SPIE 2720, Smart Structures and Materials 1996: Passive Damping and Isolation, (1 May 1996); https://doi.org/10.1117/12.239096

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