Abstract
A novel structure for a six-axis force/moment sensor is proposed in this paper. Parallel plate structures are combined in the one-block structure of the sensor. A method for estimating the sensitivity and stiffness is developed by comparing the results of numeric estimations with those of finite element method (FEM) analyses. A detailed FEM model was used to analyse the surface strain in the area where the strain gauge was attached. Tests carried out on the characteristics revealed a sensitivity design error of less than 8.5%, a relative measurement error of less than 2.13%, and an interference error of less than 9.51%. A performance enhancement method is also proposed.
Published Version
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