Abstract
In this study, an accelerated test track construction necessary during research and development phase of Light Commercial vehicles (LCV) is described. By the questionnaire method, the Turkish customer automotive usages are defined. This paper focuses on defining load spectrum affected by steering wheel tie rod axial force derived during maneuvers. Finite Element Analyses (FEA) is used for fatigue analysis and it is verified by the Palmgren-Miner rule. As a result, lifetime of the part is calculated. An accelerated test tracks is designed for reliability and fatigue tests of the related company and linear FEA of the steering wheel tie rod represents a convenient procedure.DOI: http://dx.doi.org/10.5755/j01.mech.23.5.16078
Highlights
The development time of vehicle is becoming shorter and shorter in last two decades
The automotive usage of Turkish customer for a Light Commercial vehicles (LCV) is described from the questionnaire results
In the comparison result of the derived data from Turkey with one of the another European country, the most important difference is found as the amount of city LCV usage as 50% in Turkey
Summary
The development time of vehicle is becoming shorter and shorter in last two decades. The demands set for the characteristics of a car (e.g. noise and vibration, fatigue life, crash behaviour etc.) are becoming increasingly stringent [1, 2]. Fatigue testing are the most critical ones in all of these parameters according to the implementation time, because fatigue problem arises in the long-mileage as well [3,4,5,6]. Today widely fatigue methods applications of a vehicle are CAE (computer aided engineering), test-rig and test track is shown in Fig. 1 [4]. Accelerated road tests are closer to actual values, it is more time consuming and over costing [7]. Reproducibility will always be poor due to the drivers, traffic conditions and the weather [8,9,10]
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