JP2022531332A - ブロードバンドインピーダンス測定のための増強されたチャープ励起信号 - Google Patents
ブロードバンドインピーダンス測定のための増強されたチャープ励起信号 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/02—Measuring effective values, i.e. root-mean-square values
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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Abstract
Description
本国際特許協力条約特許出願は、参照することによって本明細書に組み込まれる、2019年5月2日に出願された、米国仮特許出願第62/842,313号の利益を主張する。
2kHz(fend)で終了し、開始周波数まで減少する、M=15周波数に関する所与の2を底とする対数が、以下によって与えられる。
ステップ群チャープ:
これらの周波数群に関する周波数分布係数は、以下である。
の係数によって分離された周波数を確立することに基づいて、IMD(1)によって実装された。
の周波数分布係数を伴う、16の周波数の20秒のHCSD SOS時間記録に匹敵する、持続時間を有する。
Claims (20)
- デバイスのインピーダンスを決定するための方法であって、
1つ以上の周波数群のシーケンスにおいて、二乗平均平方根電流または二乗平均平方根電圧を含む励起時間記録を使用して、前記デバイスを励起させることであって、前記1つ以上の周波数群はそれぞれ、周波数拡散内の1つ以上の周波数の総和を含む、ことと、
前記励起時間記録に対する前記デバイスの応答の応答時間記録を記録することと、
前記1つ以上の周波数群のそれぞれの前記応答時間記録の初期時間部分を破棄することと、
インピーダンススペクトルアルゴリズムを使用して、前記応答時間記録を処理することと、
前記デバイスのインピーダンスを決定することと
を含む、方法。 - 前記励起時間記録は、前記1つ以上の周波数群を含む前記二乗平均平方根電流または二乗平均平方根電圧の持続励起を備える、請求項1に記載の方法。
- 各周波数群の前記励起時間記録は、複数の周波数と、前記周波数群内の前記複数の周波数内の最低周波数の少なくとも1つの周期の持続時間とを含む、請求項1に記載の方法。
- 前記1つ以上の周波数群のそれぞれの前記励起時間記録は、1つの周波数と、前記周波数の少なくとも1つの周期の持続時間とを含む、請求項1に記載の方法。
- 前記インピーダンススペクトルアルゴリズムは、時間クロストーク補償を備える、請求項1に記載の方法。
- 前記1つ以上の周波数群のそれぞれの前記励起時間記録は、
高調波分離を有する1つ以上の周波数および前記周波数の少なくとも1つの周期の持続時間と、
前記周波数の前記少なくとも1つの周期に先行する負の時間周期と
を含む、請求項1に記載の方法。 - 前記インピーダンススペクトルアルゴリズムは、高調波補償同期検出を備える、請求項6に記載の方法。
- 前記1つ以上の周波数群のそれぞれから破棄される前記応答時間記録の前記初期時間周期は、前記群内の最低周波数の前記周期の50パーセント未満の範囲内で生じる、請求項1に記載の方法。
- 前記励起時間記録は、少なくとも1つの標的周波数を有する少なくとも1つの周波数群を含む、請求項1に記載の方法。
- 前記1つ以上の周波数群は、
1つ以上のベース周波数群であって、前記ベース周波数群はそれぞれ、前記周波数拡散内の前記1つ以上の周波数の総和を含む、1つ以上のベース周波数群と、
1つ以上のオフセット周波数群であって、前記オフセット周波数群はそれぞれ、前記周波数拡散内の前記1つ以上の周波数の総和を含み、前記1つ以上のオフセット周波数群は、前記1つ以上のベース周波数群に関連して偏移される、1つ以上のオフセット周波数群と
を備える、請求項1に記載の方法。 - 前記デバイスのインピーダンススペクトル偏移を決定することに基づいて、前記少なくとも1つの標的周波数を修正することをさらに含む、請求項9に記載の方法。
- 直接、計算されたインピーダンスデータに基づいて、前記インピーダンススペクトル偏移を決定することをさらに含む、請求項11に記載の方法。
- 直接、等価回路モデル化に基づいて、前記インピーダンススペクトル偏移を決定することをさらに含む、請求項11に記載の方法。
- 前記デバイスのインピーダンスを決定するための方法は、事前に定義されたインピーダンススペクトル偏移閾値を超えることに基づいて繰り返される、請求項11に記載の方法。
- 前記励起時間記録は、少なくとも1つの標的化された周波数を有する少なくとも1つの周波数群を含む、請求項10に記載の方法。
- 前記インピーダンススペクトル偏移に基づいて、前記標的化された周波数を調節することをさらに含む、請求項15に記載の方法。
- 前記1つ以上の周波数群は、最小限にされた巨大波に基づいて決定される、請求項1に記載の方法。
- 前記応答時間記録のサンプル率が、前記1つ以上の周波数群内の前記1つ以上の周波数の最低周波数の周期に基づいて調節され、前記応答時間記録の前記サンプル率は、最低周波数の前記周期が増加するにつれて低減され、前記応答時間記録の前記サンプル率は、前記周波数群を伴う最低周波数の前記周期が各前記1つ以上の周波数群内で減少するにつれて増加される、請求項1に記載の方法。
- 各周波数群内の前記周波数拡散は、オクターブ高調波を備える、請求項1に記載の方法。
- 各周波数群内の前記周波数拡散は、非オクターブ高調波を備え、前記インピーダンススペクトルアルゴリズムは、時間クロストーク補償を備える、請求項1に記載の方法。
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US201962842313P | 2019-05-02 | 2019-05-02 | |
US62/842,313 | 2019-05-02 | ||
PCT/US2020/031021 WO2020223630A1 (en) | 2019-05-02 | 2020-05-01 | Enhanced chirp excitation signal for broadband impedance measurement |
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JP2022531332A true JP2022531332A (ja) | 2022-07-06 |
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US (2) | US12117493B2 (ja) |
EP (1) | EP3963345A4 (ja) |
JP (1) | JP2022531332A (ja) |
KR (1) | KR20220003615A (ja) |
WO (1) | WO2020223630A1 (ja) |
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