Logic controlled integrator

Details Logic controlled integrator Logic controlled integrator

1975-09-29

1977-11-22

Atkinson, Charles E.

Boots, shoes, and leggings

328127, G06G 718

Patent

active

040597512

ABSTRACT:
The input to an integrator is controlled by a logic circuit to reduce tracking errors caused by changes in acceleration. In one embodiment, the logic circuit obtains the derivative of the input signal and multiplies it with the input signal. The input signal is fed to the integrator through a switch which is closed when the product of the input signal and its derivative is positive, and which is open when the product is negative.

REFERENCES:
patent: 2675469 (1954-04-01), Harker et al.
patent: 3311740 (1967-03-01), Urban
patent: 3404262 (1968-10-01), Udall
patent: 3444361 (1969-05-01), Bekey
patent: 3609314 (1971-09-01), Anderson
patent: 3685159 (1972-08-01), Erhard
patent: 3783392 (1974-01-01), Drake et al.
patent: 3842416 (1974-10-01), Eto
patent: 3883863 (1975-05-01), Willard
patent: 3885760 (1975-05-01), Grimes et al.

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