基于遺傳算法的三維電場(chǎng)傳感器解耦標(biāo)定方法研究

李冰; 彭春榮; 凌必赟; 鄭鳳杰; 陳博; 夏善紅

doi:10.11999/JEIT161277

基于遺傳算法的三維電場(chǎng)傳感器解耦標(biāo)定方法研究

doi: 10.11999/JEIT161277 cstr: 32379.14.JEIT161277

2.
(中國(guó)科學(xué)院電子學(xué)研究所北京 100190) ②(中國(guó)科學(xué)院大學(xué) 北京 100049)

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61327810, 61302032)，國(guó)家863計(jì)劃項(xiàng)目(2015AA042602)

計(jì)量
- 文章訪問數(shù): 1332
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2016-11-24
- 修回日期: 2017-02-26
- 刊出日期: 2017-09-19

The Decoupling Calibration Method Based on Genetic Algorithm of Three Dimensional Electric Field Sensor

2.
(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)

Funds:

The National Natural Science Foundation of China (61327810, 61302032), The National 863 Program of China (2015AA042602)

摘要

摘要: 3維電場(chǎng)分量對(duì)傳感器輸出信號(hào)的耦合干擾是影響3維電場(chǎng)探測(cè)準(zhǔn)確性的關(guān)鍵問題。為了減小耦合干擾，實(shí)現(xiàn)3維電場(chǎng)的準(zhǔn)確測(cè)量，該文提出一種基于遺傳算法的3維電場(chǎng)傳感器解耦標(biāo)定方法。區(qū)別于求逆矩陣運(yùn)算的傳統(tǒng)標(biāo)定方法，該方法利用遺傳算法并行全局搜索的特點(diǎn)，通過設(shè)置適應(yīng)度函數(shù)和遺傳算子獲得最優(yōu)化解耦標(biāo)定矩陣，避免了復(fù)雜的矩陣求逆計(jì)算，減小了計(jì)算誤差。該文設(shè)計(jì)了一種可實(shí)現(xiàn)傳感器與電場(chǎng)矢量成任意夾角的測(cè)試標(biāo)定裝置，建立了電場(chǎng)理論值計(jì)算模型。對(duì)基于矩陣求逆計(jì)算和基于遺傳算法的兩種解耦標(biāo)定方法進(jìn)行了對(duì)比實(shí)驗(yàn)，實(shí)驗(yàn)結(jié)果表明，基于遺傳算法的3維電場(chǎng)傳感器解耦標(biāo)定方法與傳統(tǒng)標(biāo)定方法相比，有效地消除了電場(chǎng)分量對(duì)傳感器的耦合干擾，提高了標(biāo)定精度，實(shí)現(xiàn)了3維電場(chǎng)的準(zhǔn)確測(cè)量。
- 3維電場(chǎng)傳感器 /
- 3維標(biāo)定 /
- 耦合干擾 /
- 遺傳算法
Abstract: The accuracy of three dimensional electric field measurement is greatly influenced by the coupling interference between components of Three Dimension (3D) electric field applied to the electric field sensor. In order to reduce the coupling interference and to realize accurate measurements, a decoupling calibration method based on Genetic Algorithm (GA) of 3D electric field sensor is proposed. Different from the traditional calibration method based on the matrix inversion technology, GA is utilized to obtain the optimal decoupling calibration matrix by setting the objective function and evolution operators, which avoids the calculation errors in the complex matrix inversion. A calibration apparatus, which can make an arbitrary angle between the sensor and the electric field, is designed, and a calculation model of theoretical electric field values is built. Experiments are conducted to verify the decoupling calibration methods based on the matrix inversion technology and GA. The experimental results show that the proposed method can effectively eliminate coupling interferences, improve the calibration precision and realize accurate measurements.
- Three dimensional electric field sensor /
- Three dimension calibration /
- Coupling interference /
- Genetic Algorithm (GA)

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