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Multiple-order excitation and response of centrifugal pendulum vibration absorbers
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
2018 (English)In: Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, KU Leuven - Departement Werktuigkunde , 2018, p. 4305-4319Conference paper, Published paper (Refereed)
Abstract [en]

The multiple-order response of a rotor equipped with a centrifugal pendulum vibration absorber (CPVA) is investigated in this study. CPVAs have been used in the abatement of torsional vibrations since the 1930s and have been extensively researched but seldom with a focus on the full multiple-harmonic response. Although the firing order in reciprocating engines dominates in amplitude, the higher-order harmonics have impact on driveline-related noise issues. This investigation is conducted in order to understand if an higher-order amplification can stem from the design of the CPVA or if this phenomenon is due an interaction between other powertrain components. Therefore, an isolated rotor-CPVA system is studied. The investigated rotor is subjected to an oscillating torque consisting of single- and multiple-order harmonics. The equations of motion are derived by Kane s method and the multiple-harmonic response of the system is analyzed. The linear steady-state response is compared with numerical time integration of the equations of motion. 

Place, publisher, year, edition, pages
KU Leuven - Departement Werktuigkunde , 2018. p. 4305-4319
Keywords [en]
Centrifugation, Equations of motion, Harmonic analysis, Pendulums, Structural dynamics, Centrifugal pendulum vibration absorbers, Higher order harmonics, Multiple harmonics, Oscillating torque, Powertrain components, Reciprocating engines, Steady-state response, Torsional vibration, Vibrations (mechanical)
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-246557Scopus ID: 2-s2.0-85060371273OAI: oai:DiVA.org:kth-246557DiVA, id: diva2:1315733
Conference
28th International Conference on Noise and Vibration Engineering, ISMA 2018 and 7th International Conference on Uncertainty in Structural Dynamics, USD 2018, 17 September 2018 through 19 September 2018
Note

QC 20190514

Available from: 2019-05-14 Created: 2019-05-14 Last updated: 2019-05-14Bibliographically approved

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Citation style
  • apa
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