Multi-parameter optimization circuit

Details Multi-parameter optimization circuit Multi-parameter optimization circuit

1988-03-30

1990-03-27

MacDonald, Allen

Boots, shoes, and leggings

G05B 1302

Patent

active

049126245

ABSTRACT:
A multi-parameter control circuit supplies a number of control signals to a multiple-input system, and these regulate process parameters. A cost function, which depends on all of the parameters, is measured, and a time derivative signal is produced which represents the time differential of the cost function. There are a number of control signal circuits responsive to the cost function derivative which each include a multiplier that receives the time derivative signal, and a second input. An integrator integrates the output of the multiplier and provides a time integral to one input of an adder, a second input of which is provided with a rapidly varying incoherent signal, which can be white noise. The adder produces a parameter control output signal which is used to control the process parameter. A differentiator has an input connected to the adder output and an output that provides a time derivative of the parameter control signal to the second input of the multiplier. Alternatively, a single digital circuit may be used in a multiplexing mode to represent in succession all control signal circuits.

REFERENCES:
patent: 3460096 (1969-08-01), Barron
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patent: 3617717 (1971-01-01), Smith
patent: 4096562 (1978-06-01), Linz
patent: 4163279 (1979-07-01), Kubota
patent: 4175283 (1979-11-01), Buchwald et al.
patent: 4232364 (1980-11-01), Bibbero
patent: 4358822 (1982-11-01), Sanchez
patent: 4509110 (1985-04-01), Levesque, Jr. et al.

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