Drive control system of stepping motor

Details Drive control system of stepping motor Drive control system of stepping motor

1990-07-31

1993-03-30

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

051987414

ABSTRACT:
A drive control system for a stepping motor which stores values for the current driving each phase of the motor in data tables. A central processing unit drives the motor in accordance with the current values stored in the data tables. The current values are stored in the data table with corresponding addresses. The current values are read out sequentially from the addresses in the data tables. Each time the address is incremented by 1, the magnitude of the angle of rotation of the motor is set so that it is always the same.

REFERENCES:
patent: 4140956 (1979-02-01), Pritchard
patent: 4443746 (1984-04-01), Araki
patent: 4638372 (1987-01-01), Leng et al.
patent: 4710691 (1987-12-01), Bergstrom et al.
patent: 4926270 (1990-05-01), Sakamoto
patent: 5008607 (1991-04-01), Ono et al.
patent: 5062006 (1991-10-01), Miura

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