本文關(guān)鍵詞：基于混沌多項(xiàng)式展開法的線束串?dāng)_統(tǒng)計(jì)模型　出處：《吉林大學(xué)學(xué)報(bào)(工學(xué)版)》2017年05期 　論文類型：期刊論文

  更多相關(guān)文章： 儀器儀表技術(shù) 混沌多項(xiàng)式展開 線束串?dāng)_ 多導(dǎo)體傳輸線 統(tǒng)計(jì)分析

【摘要】：針對(duì)線束導(dǎo)線在實(shí)際情況中為非確定性幾何布置的這一問題,提出了一種基于混沌多項(xiàng)式展開法的線束串?dāng)_統(tǒng)計(jì)分析方法。該方法根據(jù)線束導(dǎo)線位置變量的分布類型選取相應(yīng)的正交多項(xiàng)式對(duì)線束導(dǎo)線分布參數(shù)進(jìn)行展開,結(jié)合邊界條件,采用模式理論對(duì)基于混沌多項(xiàng)式展開的多導(dǎo)體傳輸線方程擴(kuò)展形式進(jìn)行求解,進(jìn)而得到電壓和電流向量的混沌多項(xiàng)式展開表達(dá)式,并利用混沌多項(xiàng)式展開法的相關(guān)性質(zhì)得到表征線束串?dāng)_統(tǒng)計(jì)特征的相關(guān)參數(shù)。通過與傳統(tǒng)的蒙特卡法進(jìn)行對(duì)比可知,該方法在保證計(jì)算結(jié)果準(zhǔn)確可靠的同時(shí),計(jì)算效率也得到了大幅度的提高,從而實(shí)現(xiàn)復(fù)雜系統(tǒng)線束電磁兼容性能的高效預(yù)測(cè)。
[Abstract]:This paper aims at the problem that the conductor of the wire harness is not deterministic geometric arrangement in the actual situation. A statistical analysis method based on chaotic polynomial expansion method for bundle crosstalk is proposed, in which the corresponding orthogonal polynomials are selected according to the distribution type of conductor location variables. Combined with boundary conditions, the expansion form of multi-conductor transmission line equation based on chaotic polynomial expansion is solved by mode theory, and then the expression of chaotic polynomial expansion of voltage and current vector is obtained. By using the correlation properties of the chaotic polynomial expansion method, the correlation parameters of the statistical characteristics of crosstalk are obtained. Compared with the traditional Monte Carlo method, this method can ensure the accuracy and reliability of the calculation results at the same time. The computational efficiency has also been greatly improved, thus realizing the efficient prediction of EMC performance of wire harness in complex system.
【作者單位】： 吉林大學(xué)儀器科學(xué)與電氣工程學(xué)院;吉林大學(xué)汽車仿真與控制國家重點(diǎn)實(shí)驗(yàn)室;中國第一汽車股份有限公司技術(shù)中心;
【基金】：吉林省基礎(chǔ)研究計(jì)劃基金項(xiàng)目(20150101029JC)
【分類號(hào)】：TM50;TN03
【正文快照】： electromagnetic compatibility of cable bundle in complex system has realized.0引言隨著現(xiàn)代工業(yè)的不斷發(fā)展,越來越多的電氣電子設(shè)備被廣泛應(yīng)用于飛機(jī)、艦艇、汽車等復(fù)雜系統(tǒng)中。線束作為系統(tǒng)中電路網(wǎng)絡(luò)主體,連接著各個(gè)電氣電子部件,并使之發(fā)揮功效。但其也為干擾信號(hào)的

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