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In this paper, three different models of friction in presliding regime on linear motor platform are deduced according to basic physical laws, which are named as the Kelvin model, the modified Kelvin model and the four-element model. To validate the effectiveness of these models, the particle swarm optimization is applied to determine the coefficients in each model. Then experiments of ramp input force...
Tubular linear motor has many favorable features, like quick response, strong output, suitable for narrow installation space, et al, so it is widely used for the linear electromechanical servo systems. But, the tubular linear motor design constraints by a plurality of structural parameters, so there are some problems, for example output force cannot meet the needs and large power fluctuation. In order...
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