Abstract
In this paper, the characteristics and simulation accuracy of different simulation algorithms are studied for the cam profile. The triangular square approximation is improved, and a high-precision simulation algorithm is proposed. The improved simulation algorithm has achieved good results in practical applications. Comparative analysis using examples: comparing the accuracy of the three approximation methods of spline interpolation, unconstrained best square approximation, and best square approximation with first-order boundary. It is concluded that the optimal triangular square approximation of the first-order boundary can more accurately reflect the law of periodic motion, and is suitable for the state approximation and characteristics of periodic motion.
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