传感器与微系统
傳感器與微繫統
전감기여미계통
TRANSDUCER AND MICROSYSTEM TECHNOLOGY
2015年
6期
46-49
,共4页
常海涛%祝连庆%王中宇%周哲海%郭阳宽
常海濤%祝連慶%王中宇%週哲海%郭暘寬
상해도%축련경%왕중우%주철해%곽양관
全息凹面光栅%多组分定量分析%改进遗传算法%自适应寻优空间%小生境技术
全息凹麵光柵%多組分定量分析%改進遺傳算法%自適應尋優空間%小生境技術
전식요면광책%다조분정량분석%개진유전산법%자괄응심우공간%소생경기술
holographic concave grating%multicomponent quantitative analysis%improved genetic algorithm%adaptive search space%niche technology
为了提高酶免分析仪检测精度,建立了基于改进遗传算法的多组分定量分析校正模型。通过自适应寻优空间技术和小生境技术,对遗传算法进行改进。采用全息凹面光栅作为分光元件,搭建扫描式紫外可见分光光度实验系统,对食品工业中最常见的苋菜红和胭脂红二组分混合水溶液进行定量分析,并与最小二乘回归方法进行了比较。实验结果表明:改进遗传算法预测精度与最小二乘法相近,对苋菜红和胭脂红的预测均方根误差( RMSEP)分别为0.88,1.71μg/mL;收敛速度明显快于传统遗传算法,为多组分同时测定提供了新的思路。
為瞭提高酶免分析儀檢測精度,建立瞭基于改進遺傳算法的多組分定量分析校正模型。通過自適應尋優空間技術和小生境技術,對遺傳算法進行改進。採用全息凹麵光柵作為分光元件,搭建掃描式紫外可見分光光度實驗繫統,對食品工業中最常見的莧菜紅和胭脂紅二組分混閤水溶液進行定量分析,併與最小二乘迴歸方法進行瞭比較。實驗結果錶明:改進遺傳算法預測精度與最小二乘法相近,對莧菜紅和胭脂紅的預測均方根誤差( RMSEP)分彆為0.88,1.71μg/mL;收斂速度明顯快于傳統遺傳算法,為多組分同時測定提供瞭新的思路。
위료제고매면분석의검측정도,건립료기우개진유전산법적다조분정량분석교정모형。통과자괄응심우공간기술화소생경기술,대유전산법진행개진。채용전식요면광책작위분광원건,탑건소묘식자외가견분광광도실험계통,대식품공업중최상견적현채홍화연지홍이조분혼합수용액진행정량분석,병여최소이승회귀방법진행료비교。실험결과표명:개진유전산법예측정도여최소이승법상근,대현채홍화연지홍적예측균방근오차( RMSEP)분별위0.88,1.71μg/mL;수렴속도명현쾌우전통유전산법,위다조분동시측정제공료신적사로。
In order to improve detection precision of automatic enzyme-linked immunoassay analyzer,a correction model for multicomponent quantitative analysis based on improved genetic algorithm is developed. Through adaptive search space technology and niche technology are proposed to improve performance of genetic algorithm. A UV-Vis spectrophotometer is built by using holographic concave grating as spectroscope. The comparison is made between the proposed method and least squares regression method by application to simultaneous determination of amaranth and carmine samples which are commonly used in the food industry. Experimental results indicate that prediction precision of the improved genetic algorithm and LS are similar,for amaranth and carmine are 0. 88,1. 71μg/mL,respectively;and convergence rate is significantly faster than ordinary GA. It also provides a new idea for multicomponent simultaneous determination.