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The rack and pinion steering system, in automobiles, is the most commonly used steering system. Being directly connected to the suspension system in most vehicles, it is a critical component. The main intent of this research is to design a rack and pinion steering system for an All-Terrain Vehicle (ATV) and to reduce its weight by topology optimization. The design calculations are performed using AGMA bending, and contact stress equation and modelling is done using SolidWorks. ANSYS is used for structural analysis and the stress and deformation distribution is visualized. Vibrational analysis from ANSYS is utilized to obtain the natural frequencies, which are compared with the operating frequencies of the system. Topology optimization is conducted from this analysis to obtain an optimal and lightweight design.

Design and topology optimization of a rack and pinion steering system using structural and vibrational analysis