Inertial error study and simulation of the simulating inertial system

Simulating inertial system was applied to the test of the starting and braking performance of rotary mechanism. The accuracy of inertia has an important impact on test precision of simulating inertial system. So the distribution of the inertia error caused by the mass error and the centroid error is analyzed and the models of the simulating inertial system with the theoretical inertia and the limit inertia are built by SIMMECHANICS or “M-function”. These models are carried out and angular acceleration error of rotary mechanism caused by mass error and the centroid error is investigated by these simulation models. It lays a theoretical foundation for the actual testing of rotary mechanism.