Abstract
Validation is important for a high product quality of drive components. An X-in-the-Loop test bench enables the integration of scaled prototypes through coupling systems and scaling models even before serial parts are available. In the context of X-in-the-loop investigations, it is still unclear whether a scaling model enables the early investigation of geometry variants in powertrain subsystems. In this paper, scaled geometry experiments taking into account the interacting system are considered to evaluate the scaling model in terms of early investigation of geometry variants. The aim of this paper is the functional investigation of geometrically scaled drive components by integrating scaled prototypes in an X-in-the-Loop test bench. Using an overload clutch with detents, component variants of different size levels are investigated in scaled experiments with a scaling model. The results confirm possibilities of X-in-the-Loop integration of scaled prototypes and their investigation on geometrically scaled drive components. The investigations show, therefore, the opportunities of integrating scaled drive components through the scaling model to support the investigation of geometry variants before serial parts are available. Scaled geometry investigations considering the interacting system can, thus, support product development.
Highlights
To reduce uncertainties early in product development, it is necessary to validate the product, which requires knowledge about the behavior of the system [1,2,3]
It can be seen that the scaling model within the coupling systems allows an adaptation of the clutch torques of the different variants
By using a scaling model in an X-in-the-Loop test. These results confirm dependence of thecan behavior on for thefunctional raceway geometry bench, geometrically scaleda drive components be tested propertiessimilar and to investigation results presented by geometry variants can be evaluated for product development.”
Summary
To reduce uncertainties early in product development, it is necessary to validate the product, which requires knowledge about the behavior of the system [1,2,3]. The necessary system knowledge can be determined by experimental investigations with prototypes in powertrain test benches, whereby non-existent components must be simulated [2,4]. Frontloading can shorten development times in product development and avoid late design changes [5,6]. Validation is very important, as is evident from the wide range of testing and validation activities. For the validation of product series, problems result because, often, not all subsystems are available for early experimental investigations. Validation can, only be postponed to later phases in the development process, or be carried out via simulation
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