Digital drive unit regulator

Details Digital drive unit regulator Digital drive unit regulator

1980-12-09

1983-02-15

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318603, G05B 1926

Patent

active

043743510

ABSTRACT:
A means to change the position of a drive unit in accordance with desired changes periodically provided as a digital value and entered in a first register, which is then decremented to zero by counting actual increments of drive unit change. Power to change the drive unit is proportional to the residual value in this register, with no power when actual change has equalled desired change. The count of actual change increments is determined from clock pulses updating a second register representing position whenever the analog equivalent of this register differs from an analog signal representing actual position.

REFERENCES:
patent: 3523229 (1970-08-01), Black et al.
patent: 3742326 (1973-06-01), Masahiko
patent: 3752969 (1973-08-01), Kiffmeyer et al.
patent: 3795851 (1974-03-01), Gage et al.
patent: 3904858 (1975-09-01), Rosshirt
patent: 4023085 (1977-05-01), Bishop et al.
patent: 4294531 (1981-10-01), Shenk
patent: 4296364 (1981-10-01), Fukuyama
Millman et al., Integrated Electronics: Analog and Digital Systems, 1972, pp. 665-666.

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