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Automotive Powerplant Isolation Strategies
ISSN: 0148-7191, e-ISSN: 2688-3627
Published May 20, 1997 by SAE International in United States
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Recently an increase in interest has occurred in automotive powerplant mounting. Evidence of this growth is the increase in the number of publications on the topic. The majority of this renewed interest has come from predicting and understanding the response of hydraulic engine mounts and the application of optimization techniques to the problem of powertrain vibration isolation, and occasionally to the combination of these two topics. However, it appears that these analytical techniques have been sufficiently developed and correlated to actual powertrain systems to have found widespread use by the automotive manufacturers. Subject to timing and packaging constraints, the more traditional mounting system design strategies are typically utilized. These strategies include natural frequency placement, torque axis mounting and elastic axis mounting. This paper presents a comprehensive review of these three strategies including a discussion of the assumptions associated with each method. In addition, the center of percussion mounting strategy, applicable to the isolation of transient inputs to the powertrain, is discussed in detail, including the technical basis for the theory.
|Technical Paper||Front Wheel Drive Engine Mount Optimization|
|Technical Paper||An Analysis and Application of a Decoupled Engine Mount System for Idle Isolation|
|Technical Paper||Engine Mount System Focusing to Reduce Vehicle Shake|
CitationBrach, R., "Automotive Powerplant Isolation Strategies," SAE Technical Paper 971942, 1997, https://doi.org/10.4271/971942.
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