Patent ID: 8988018
Filing Date: 2015-03-24
Classification: H02P

Abstract:
1. An arrangement having an oscillating motor having one or more stator coils, a control circuit to control the motor, one or more connecting lines that connect the control circuit to said one or more stator coils, creating a stator coil connection; wherein the control circuit uses the stator coil connection to determine an electric characteristic of the motor at a predetermined measuring time or in a predetermined measuring position during an oscillation process, and a processor to determine a movement variable of the motor by means of only information from the stator coil connection, including at least the electric characteristic and a constant inductivity value of the motor, wherein the control circuit in the operating state controls the motor as a function of the movement variable, and the measuring time or the measuring position is predetermined such that the inductivity of the motor remains approximately constant at least in a given current interval, even with different currents through the motor and further, wherein the arrangement has a memory to store the measuring time or the measuring position.