Drive and positioning system

H - Electricity – 02 – K

Patent

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318/94

H02K 29/08 (2006.01)

Patent

CA 1259099

ABSTRACT A driving and positioning system consisting of a rotor equipped with permanent magnets and of a stator with at least two windings. The windingsare connected to an electronic voltage- supply circuit controlled by rotor-position sensors for commutating the current. To improve its adjustment potential by converting the system into one that can be magnetically meshed or latched, the stator is non-ferrous, the disk-shaped stator windings, which are positioned in parallel planes, are overlapped in such a way that the magnetic field generated by the windings and surrounded by the coils is essentially parallel to the magnetic field generated by the permanent magnets, and the rotor-position sensors are each integrated into both windings. A practical electronic voltage-supply circuit for controlling the system is also described. It has two sets of multiplication stages and a set of addition stages in a prescribed layout.

589995

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