Method for operating a motorised positioning device and corresponding positioning device
The method involves operating a motorized positioning device (1) with an electric motor (14), especially a synchronous motor and a controller (10) by measuring the motor phase currents and/or voltages and using them for sensor-less rotor position determination. Below a minimum revolution rate, a pol...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The method involves operating a motorized positioning device (1) with an electric motor (14), especially a synchronous motor and a controller (10) by measuring the motor phase currents and/or voltages and using them for sensor-less rotor position determination. Below a minimum revolution rate, a pole jump is detected by evaluating the measured currents and/or voltages and a detected pole jump is automatically compensated for by regulating the motor. An independent claim is also included for a positioning device for positioning a rotatable device. |
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