Motor control with digital feedback

Details Motor control with digital feedback Motor control with digital feedback

1989-08-02

1991-02-12

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318603, 318592, 318594, 341112, 341113, 341114, 341116, G05B 106

Patent

active

049927167

ABSTRACT:
A motor feedback control system which in addition to a quantized digital position feedback value, uses a feedback signal which represents the error between the actual motor position and the quantized digital position. The error function is combined with the quantized digital position value to produce a digital position value with greater resolution. The combined value is differentiated to produce a velocity value for velocity feedback control of the motor.

REFERENCES:
patent: 3984831 (1976-10-01), Jones et al.
patent: 4014014 (1977-03-01), Jones et al.
patent: 4021714 (1977-05-01), Jones et al.
patent: 4315198 (1982-02-01), Lin et al.
patent: 4429267 (1984-01-01), Veale
patent: 4447771 (1984-05-01), Whited
patent: 4599547 (1986-07-01), Ho
Analog Devices, "Variable Resolution, Monolithic Resolver-to-Digital Converter (2S82)", Preliminary Data Sheet dated 11/87.
Analog Devices, "Variable Resolution, Monolithic Resolver-to-Digital Converter (2S80)", Data Sheet dated 6/87.
Intel, "MCS -96,809XBH-10, Advanced 16-Bit Microcontroller with 8-OR or 16-Bit External Bus", Data Sheet dated 7/87.

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