Current measurement circuit

Details Current measurement circuit Current measurement circuit

1997-01-07

1998-12-01

MacDonald, Allen R.

Data processing: artificial intelligence

Fuzzy logic hardware

706 52, 706900, 324 7611, 324132, G06G 700, G01R 1900

Patent

active

058452753

ABSTRACT:
A circuit for the measurement of current in a load includes a non-linear element for transforming a current into a voltage and includes a fuzzy logic processor to process a measurement of the voltage and provide an information element representing the current. The device permits the precise use of semi-conductor or other components for the measurement of current in making a linear approximation of the current-voltage characteristics of the semi-conductors used by using triangular type membership functions. The linear approximation may also be combined with a Gaussian interpolation.

REFERENCES:
patent: 4553084 (1985-11-01), Wrathall
patent: 4599554 (1986-07-01), Jaycox et al.
patent: 4827207 (1989-05-01), Chieli
French Search Report from French Patent Application No. 96 00402, filed Jan. 11, 1996.
Simoes, M. Godoy et al. "Application of Fuzzy Logic in the Estimation of Power Electronic Waveforms," Industry Applications Society, 1993 Annual Meeting, pp. 853-861.
Wang, Li-Xin. "Fuzzy Systems are Universal Approximators," Fuzzy Systems, Int'l. Conference 1992, pp. 1163-1170.

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