Bram Vervisch

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Stepping motors are used in numerous applications because of their low manufacturing cost and simple speed control. It is well known that their energetic efficiency is low but actual values are typically not available. In this paper the influence of the control algorithm on the efficiency of the stepping motor is analyzed, measured and discussed. For a good(More)
A proper real-time system identification method is of great importance in order to acquire an analytical model that sufficiently represents the characteristics of the monitored system. While the use of different time-domain online identification techniques has been widely recognized as a powerful approach to system diagnostics, the frequency-domain(More)
Stepping motor operation is characterized by torque ripples. In this paper it is shown these torque ripples are caused by both the stepping motor drive algorithms and the toothed construction of rotor and stator of the studied hybrid stepping motors. These torque ripples are analyzed, discussed and measured. The torque ripples are measured in the complete(More)
Stepping motors are used in numerous applications because of their low manufacturing cost and simple open-loop position control capabilities. It is well known that their energy efficiency is low, although the actual efficiency values are generally not available. Moreover, the bulk of the stepping motors are driven in a non-optimal way, e.g., in an open loop(More)
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