Amplifier for inductive loads with corrective current sensing

Details Amplifier for inductive loads with corrective current sensing Amplifier for inductive loads with corrective current sensing

1980-04-04

1982-09-21

Truhe, J. V.

Electricity: motive power systems

Open-loop stepping motor control systems

318432, 323284, 323287, 323285, G05B 1940

Patent

active

043509436

ABSTRACT:
This switching amplifier is for driving inductive loads, stepping motors in particular. This amplifier uses dual threshold concept with improvements to the current feedback. These improvements compensate for errors in the feedback signals of the prior art. These improvements measure currents erroneously omitted or included in the feedback signal and add or subtract said measurements from said feedback to improve signal fidelity.

REFERENCES:
patent: 4074175 (1978-02-01), Born et al.

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