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Modeling and Analysis of Front End Accessory Drive System with Overrunning Alternator Decoupler
Technical Paper
2020-01-0398
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The generator is an important loaded component of an engine front end accessory drive system (EFEADS). With a huge moment of inertia and a highest running speed, the vibration and noise often occurs in operation, which has an effect on the service life. Thus an overrunning alternator decoupler (OAD) is used in the EFEADS for reducing the vibration of system. In this paper, a model of EFEADS with an OAD is established. The impact of the OAD on the dynamic responses of pulley of generator and the system are analyzed, and is verified by bench experiments. And the influence of parameters, such as spring stiffness, moment of inertia of generator and loaded torque on the dynamic performances of the system are studied. The influence of misalignment in pulleys on the dynamic performance of system is also discussed. The presented method is useful for optimizing the dynamic performance of system, such as the oscillation of tensioner arm and the slip ratio of the belt-generator pulley.
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Authors
Citation
Yin, Z., Long, S., Sun, Y., Zhao, W. et al., "Modeling and Analysis of Front End Accessory Drive System with Overrunning Alternator Decoupler," SAE Technical Paper 2020-01-0398, 2020, https://doi.org/10.4271/2020-01-0398.Data Sets - Support Documents
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