Record medium recording equivalent circuit model of electricity storage element, derivation program, record medium thereof, derivation apparatus, simulation program, record medium thereof, simulation apparatus, method of designing, method for conforming/nonconforming decision, and conforming/nonconforming decision apparatus
First Claim
1. A computer-readable record medium recording an equivalent circuit model of an electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and a first inductance connected in parallel with said first resistance; and
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance.
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Accused Products
Abstract
A computer-readable record medium, recording an equivalent circuit model of an electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal, records the equivalent circuit model including a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with the first circuit, wherein the first circuit includes at least one series circuit including a first parallel circuit and a second parallel circuit connected in series, the first parallel circuit includes a first resistance and a first inductance connected in parallel with the first resistance, and the second parallel circuit includes a second resistance and a capacitance connected in parallel with the second resistance.
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Citations
25 Claims
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1. A computer-readable record medium recording an equivalent circuit model of an electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and a first inductance connected in parallel with said first resistance; and
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance. - View Dependent Claims (2, 3, 4)
- wherein
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5. A program to be executed by a computer for derivation of an equivalent circuit model of an electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance; and
said program allows a computer to execute the steps of accepting a frequency characteristic of the real part of the measured impedance of said electricity storage element and optimizing each value of an element forming said first circuit to approximate a frequency characteristic of the real part of the equivalent impedance of said equivalent circuit model to the frequency characteristic of the real part of said measured impedance. - View Dependent Claims (6, 7, 8)
- wherein
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9. A program to be executed by a computer for a simulation of electric characteristics of an electric circuit having an electricity storage element using an equivalent circuit model of said electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance; and
said program allows a computer to execute the steps of accepting a circuit model of said electric circuit including the equivalent circuit model of said electricity storage element, accepting a simulation condition, calculating said electric characteristics based on the circuit model of said electric circuit and the simulation condition, and outputting calculated electric characteristics. - View Dependent Claims (10, 11)
- wherein
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12. A method of designing an electricity storage element to set electric characteristics of an electric circuit having said electricity storage element to desired electric characteristics using an equivalent circuit model of said electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance; and
said method comprising the steps of;
making a circuit model of said electric circuit including the equivalent circuit model of said electricity storage element;
determining said desired electric characteristics;
optimizing each value of an element forming said first circuit to approximate the electric characteristics of the circuit model of said electric circuit to said desired electric characteristics; and
fabricating said electricity storage element based on each optimized value of the element forming said first circuit. - View Dependent Claims (13, 14)
- wherein
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15. A method of making a conforming/nonconforming decision for an electricity storage element using an equivalent circuit model of said electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance; and
said method comprising the steps of;
obtaining a frequency characteristic of the real part of the measured impedance of said electricity storage element;
optimizing each value of an element forming said first circuit to approximate a frequency characteristic of the real part of the equivalent impedance of said equivalent circuit model to the frequency characteristic of the real part of said measured impedance; and
deciding that said electricity storage element is a conforming item if each optimized value of the element forming said first circuit is within a predetermined range. - View Dependent Claims (16, 17)
- wherein
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18. An apparatus for deriving an equivalent circuit model of an electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance; and
said apparatus comprising;
a portion for accepting a frequency characteristic of the real part of the measured impedance of said electricity storage element; and
a portion for optimizing each value of an element forming said first circuit to approximate a frequency characteristic of the real part of the equivalent impedance of said equivalent circuit model to the frequency characteristic of the real part of said measured impedance. - View Dependent Claims (19, 20)
- wherein
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21. An apparatus for performing a simulation of electric characteristics of an electric circuit having an electricity storage element using an equivalent circuit model of said electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a capacitance connected in parallel with said second resistance; and
said apparatus comprising;
a portion for accepting a circuit model of said electric circuit including said equivalent circuit model;
a portion for accepting a simulation condition;
a portion for calculating said electric characteristics based on the circuit model of said electric circuit and the simulation condition; and
a portion for outputting calculated electric characteristics. - View Dependent Claims (22)
- wherein
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23. An apparatus for making a conforming/nonconforming decision for an electricity storage element using an equivalent circuit model of said electricity storage element wherein a real part of an equivalent impedance varies to approximate to a real part of a measured impedance according to a frequency of an applied AC signal;
- wherein
said equivalent circuit model includes a first circuit corresponding to an electricity storage unit and a second circuit corresponding to a terminal unit and connected in series with said first circuit;
said first circuit includes at least one first series circuit including a first parallel circuit and a second parallel circuit connected in series;
said first parallel circuit includes a first resistance and an inductance connected in parallel with said first resistance;
said second parallel circuit includes a second resistance and a first capacitance connected in parallel with said second resistance; and
said apparatus comprising;
a portion for obtaining a frequency characteristic of the real part of the measured impedance of said electricity storage element;
a portion for optimizing each value of an element forming said first circuit to approximate a frequency characteristic of the real part of the equivalent impedance of said equivalent circuit model to the frequency characteristic of the real part of said measured impedance; and
a portion for deciding that said electricity storage element is a conforming item if each optimized value of the element forming said first circuit is within a predetermined range. - View Dependent Claims (24, 25)
- wherein
Specification