基于CATIA软件的汽车转向系统转向力矩波动分析及优化

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中图分类号：U463 DOI：10.20042/j.cnki.1009-4903.2026.01.007

Kinematic Analysis and Optimizationof Steering Torque Fluctuation in Automotive Steering System Based on CATIA Software

Abstract：Asoneofthecriticalperformanceatributesofacompletevehicle，thesterigsystemhasatractedgrowingatentiofrom driverintermsofissafetyandsteeringcomfortSteeringtorquefluctuationservesasakeyfactorafectingsteeing maneuveailty directlyinfluencingthedriver’sdrivingexperience.Basedonthelayouthardpointsof thesteringsystemofadomesticcommercial vehicle，thispaperconductsakinematicanalysisofsteringsystemtorquefluctuationbyutizingtheDMU（DigitalMock-Up） module ofCATIAsoftare，andreduces thestering torquefluctuationrate through phaseangleoptimization，therebyenhancingthe maneuverability of the steering system.

KeyWords： Steering system; Universal joint; Phase angle;Torque fluctuation; DMU （Digital Mock-Up）

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随着汽车工业的发展，人们对车辆品质的要求日益提高。（剩余3037字）