Device for determining and following the instantaneous coordinat

Details Device for determining and following the instantaneous coordinat Device for determining and following the instantaneous coordinat

1982-11-10

1986-04-01

Caldwell, Sr., John W.

Boots, shoes, and leggings

364605, 364807, 364828, 364829, G06G 736, G06G 700, G06G 718, G06F 1531

Patent

active

045802270

ABSTRACT:
The invention relates to a device for determining and following the instantaneous coordinates of the extreme value of a curve y=f(x), characteristic of a system having an input x and an output y.
The device comprises a multiplier having two inputs and one output, a first differentiator, whose input is connected to the input x of the system and whose output is connected to one of the inputs of the multiplier, a second differentiator, whose input is connected to the output y of the system and whose output is connected to the other input of the multiplier, and an integrator, whose input is connected to the output of the multiplier and whose output is connected to the input x of the system.

REFERENCES:
patent: 3003080 (1961-10-01), Post
patent: 3080754 (1961-07-01), Johnson
patent: 3300640 (1967-01-01), Eubank
patent: 3404262 (1968-10-01), Udall
patent: 3733248 (1973-05-01), Hendel et al.
patent: 4017721 (1977-04-01), Michaud
patent: 4107689 (1978-08-01), Jellinek
patent: 4124838 (1978-11-01), Kiss
patent: 4143314 (1979-03-01), Grubor
patent: 4183671 (1980-01-01), Jacobson
patent: 4298948 (1981-11-01), Davis
Automatisme, vol. 13, No. 3, Mar. 1968, Paris J. L. Abatut et al., "Classification des systemes de regulation extremale", pp. 123-126.
Electronic Engineering, vol. 37, No. 445, Mar. 1965, London, P. Zorkoczy: "A Simple Automatic Extremum Seeker", pp. 178-179.

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