Stepping motor drive apparatus and stepping motor

Details Stepping motor drive apparatus and stepping motor Stepping motor drive apparatus and stepping motor

1998-07-27

1999-11-23

Masih, Karen

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, 318560, G05B 1940

Patent

active

059906510

ABSTRACT:
A stepping motor has Hall elements which detect the position of the rotor and which output detection signals that have the same period as the excitation period, and which leads the position of the rotor by 90 degrees. The stepping motor is driven by the output of a drive current that is obtained by multiplying the detection signals output from the Hall elements with a torque command signal that controls the output torque of the stepping motor.

REFERENCES:
patent: 5796194 (1998-08-01), Archer et al.
patent: 5850130 (1998-12-01), Fujisaki et al.

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