Method for controlling a continuous rotation miniature motor

Details Method for controlling a continuous rotation miniature motor Method for controlling a continuous rotation miniature motor

1998-06-16

2000-03-07

Ro, Bentsu

Electricity: motive power systems

Synchronous motor systems

368217, 318254, H02P 517, G04C 316, G04C 1500

Patent

active

060345020

ABSTRACT:
The invention concerns a method for controlling a continuous rotation miniature motor including a rotor carrying permanent magnets and a stator carrying at least one coil in which an alternating induced voltage is generated when the rotor rotates, this method consisting in maintaining the rotation of said rotor by successive pulses (102) supplied, in respective half periods of the induced voltage (U.sub.i), before the induced voltage reaches a maximum absolute value in each of these half periods. In particular, the time interval (t.sub.1) between a passage through zero of the induced voltage and the beginning of a maintenance pulse (102), provided in the half period following said passage through zero, is constant.

REFERENCES:
patent: 4704566 (1987-11-01), Hirano et al.
patent: 4961038 (1990-10-01), MacMinn
patent: 5200684 (1993-04-01), Fisher
patent: 5485072 (1996-01-01), Fehringer

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