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Fractional order element converter

A technology of order elements and converters, applied in the field of fractional order element converters, can solve the problems of limited types of fractional order elements and no mutual conversion function of fractional order elements, and achieve the effect of comprehensive and flexible functions

Inactive Publication Date: 2014-04-02
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The selection of fractional-order components of different types, different orders and different component values ​​can make circuit design and large-scale circuit integration more flexible and convenient, but the types of fractional-order components currently available are limited and there is no mutual conversion function for fractional-order components circuit

Method used

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] The structure and function of the fractional-order component converter are as follows: use the least number of active integrated devices and existing circuit components, connect according to the designed circuit topology, and realize fractional-order category conversion by rationally configuring the components in the circuit , order transformation and transformation of component values.

[0022] The active integrated device used in this converter is a commercial monolithic amplifier AD844, which functions as a current feedback operational amplifier (CFOA).

[0023] CFOA is an amplifier with high-impedance voltage non-inverting input, low-impedance current input, and low-impedance voltage output. Its circuit symbol is as attached figure 1 shown. The port characteristic equation of the current feedback op amp is

[0024] ...

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Abstract

The invention discloses a fractional order element converter, and belongs to the technical field of theory of electrical engineering. The fractional order element converter is structurally and functionally characterized in that a minimum number of active integrated devices and existing circuit elements are connected according to a designed circuit topological structure, and the existing circuit elements in a circuit are configured reasonably, so that fractional order conversion, order conversion and element value conversion can be realized. The fractional order element converter has the characteristic of comprehensive and flexible functions, and the following functions can be realized: firstly, conversion of fractional order element types can be realized to obtain a fractional order element of a needed type; secondly, conversion of fractional order element orders can be realized to obtain a fraction order element of a needed order; thirdly, conversion of fractional order element values can be realized to obtain a fraction order element of a needed element value. By using the fractional order element converter, an integer order element can be obtained through the fractional order element.

Description

technical field [0001] The invention belongs to the technical field of electric engineering theory, and in particular relates to a fractional order element converter. Background technique [0002] At present, the circuit elements widely used by people are considered as integer-order elements, that is, integer-order capacitive elements, inductive elements, and resistive elements. However, these components are not ideal integer order, and all exhibit certain non-integer order characteristics, that is, fractional order characteristics. Therefore, the introduction of fractional components can more accurately describe the characteristics of circuit components. In addition, usually a fractional-order element can describe a complex high-order integer-order system, so the use of fractional-order elements can realize the circuit more concisely. Fractional-order elements include fractional-order inductive elements and fractional-order capacitive elements. The fractional-order eleme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M1/50
Inventor 梁贵书刘欣马龙
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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