This paper describes the energy flow in jerk-decoupled translatory feed axes. After an introductory survey on jerk-decoupled feed axes, a system simulation is presented. This system simulation includes a model of the mechanical parts, a model of a synchronous linear motor, and a model of the control circuits. Different energy flows can be simulated using an energy observer. The results are shown in the last section of this paper. With these results, an energy-optimal design of jerk-decoupled linear feed axes can be accomplished.
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