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Practical Identification Of Non-linear Characteristics Of Elastomeric Couplings In Engine Assemblies

机译:发动机组件中弹性体联轴器非线性特性的实际识别

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摘要

In many engineering applications, the connection between a combustion engine and the load is often done using elastomeric materials. However, these couplings far from behaving in a linear way, show a complex behavior that sometimes is difficult to evaluate. In this sense, with the present work it is intended to develop an easy methodology to identify the coupling characteristics to validate dynamic models of engine assemblies with this kind of connections, as well as to identify possible malfunction or damage behavior in a future. The method is based on static and dynamic tests, non-linear models and techniques for parameter identification. The process has been applied using two different couplings, mounted on a single-cylinder diesel engine (DE) and a three-cylinder spark ignition engine (SIE). Results demonstrate the validity of the method for any kind of engine (DE or SIE) and number of cylinders.
机译:在许多工程应用中,内燃机和负载之间的连接通常使用弹性体材料来完成。但是,这些耦合远没有线性表现,显示出有时很难评估的复杂行为。从这个意义上讲,通过当前的工作,旨在开发一种简单的方法来识别耦合特性,以验证具有这种连接的发动机组件的动态模型,并确定将来可能出现的故障或损坏行为。该方法基于静态和动态测试,非线性模型和参数识别技术。该过程已通过安装在单缸柴油发动机(DE)和三缸火花点火发动机(SIE)上的两种不同的联轴器进行了应用。结果证明了该方法对任何类型的发动机(DE或SIE)和汽缸数的有效性。

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