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篇名 以運算放大器實現模糊歸屬函數之類比電路
卷期 4:4
並列篇名 OPA Based Analog Circuit for Fuzzy Membership Functions
作者 侯俊禮陳世翔洪君維
頁次 403-406
關鍵字 模糊歸屬函數類比電路運算放大器fuzzy membership functionanalog circuitoperational amplifier
出刊日期 200910

中文摘要

本文利用兩個運算放大器和一個超級二極體來實現模糊理論中的歸屬函數電路合成。藉由運算放大器適當的偏壓製造出片段線性曲線。調整電路內部大量的電阻來獲得所需片段線性曲線的斜率。運算放大器使用ㄧ般的 UA741而超級二極體則由運算放大器和一個二極體組成。超級二極體連接在輸出端。而商業用運算放大器有著非常廣大的用途。

英文摘要

In this paper, two OPAs and a superdiode are used to realize the circuit of a fuzzy membership function. It allows the piecewise linear curve to be generated by biasing the OPAs properly. A lot of variable resistors are adjusted to obtain the required slope of the piecewise linear curve. The OPAs adopts the common UA741 ICs and the super-diode composed of an OPA and a diode. The superdiode is connected in the output end.
The commercially available operational amplifiers are widely used in practical applica-tions.

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