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The objective of robot calibration is to identify all parameters in a robot model 80 that the model represents the true robot. h c h model has its own set of parameters. This paper proves that regardless of the kinematic model chosen, there are a maximum number of parameters that must be determined, implying that model accuracy cannot be improved by adding "extra" parameters. In addition, the paper demonstrates how to model any manipulator 80 that a minimum size Jacobian is used, thus reducingdoi:10.1109/robot.1988.12156 dblp:conf/icra/EverettS88 fatcat:l2efmtbr2vco5lbe7wm5j5bnwa