本文選題：電磁學(xué) + 角振動(dòng)臺(tái)　； 參考：《兵工學(xué)報(bào)》2017年01期

【摘要】：針對(duì)有限元法求解氣隙磁場(chǎng)的磁路幾何模型占用內(nèi)存空間多和計(jì)算時(shí)間長(zhǎng)等問(wèn)題,提出一種基于等效磁化強(qiáng)度法求解電磁式角振動(dòng)臺(tái)氣隙磁場(chǎng)分析方法�；诘刃Т呕瘡�(qiáng)度法建立矢量磁位的微分方程組,得到包含磁路幾何參數(shù)的磁感應(yīng)強(qiáng)度解析表達(dá)式;與有限元法計(jì)算結(jié)果對(duì)比,驗(yàn)證等效磁化強(qiáng)度法的正確性;采用等效磁化強(qiáng)度法對(duì)磁路參數(shù)進(jìn)行優(yōu)化。分析結(jié)果表明:當(dāng)氣隙厚度保持不變時(shí),隨著永磁體扇形角的增加,氣隙中有效均勻磁感應(yīng)強(qiáng)度的區(qū)域變寬,而隨永磁體厚度的增加,氣隙磁感應(yīng)強(qiáng)度將增強(qiáng);當(dāng)永磁體扇形角和厚度保持不變時(shí),磁感應(yīng)強(qiáng)度隨氣隙厚度的增加而減小。該方法可以快速分析磁路結(jié)構(gòu)參數(shù)變化對(duì)氣隙磁感應(yīng)強(qiáng)度的影響程度,為優(yōu)化設(shè)計(jì)電磁式角振動(dòng)臺(tái)磁路結(jié)構(gòu)提供理論參考。
[Abstract]:In order to solve the problems of the magnetic path geometry model of air gap magnetic field using finite element method, a method based on the equivalent magnetization method is proposed to solve the magnetic field analysis of the air gap of the electromagnetic angular vibration table. The differential equations of vector magnetic potential are established based on the equivalent magnetization method, and the analytical expression of magnetic induction intensity including the geometric parameters of the magnetic circuit is obtained, and the validity of the equivalent magnetization method is verified by comparing the calculated results with the finite element method. The equivalent magnetization method is used to optimize the magnetic circuit parameters. The results show that when the thickness of the air gap remains constant, the effective and uniform magnetic induction intensity in the air gap becomes wider with the increase of the fan angle of the permanent magnet, but with the increase of the thickness of the permanent magnet, the intensity of the air gap magnetic induction will increase. When the fan angle and thickness of the permanent magnet remain constant, the magnetic induction intensity decreases with the increase of the air gap thickness. This method can rapidly analyze the influence of the change of magnetic circuit structure parameters on the magnetic induction intensity of air gap and provide a theoretical reference for the optimization design of magnetic circuit structure of electromagnetic angular vibration table.
【作者單位】： 中國(guó)計(jì)量大學(xué)工業(yè)與商貿(mào)計(jì)量技術(shù)研究所;浙江大學(xué)機(jī)械工程學(xué)院浙江省先進(jìn)制造技術(shù)重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(51375443) 國(guó)家重大儀器設(shè)備開(kāi)發(fā)專(zhuān)項(xiàng)項(xiàng)目(2013YQ470765) 浙江省自然科學(xué)基金杰出青年基金項(xiàng)目(LR12E05001) 浙江省先進(jìn)制造技術(shù)重點(diǎn)實(shí)驗(yàn)室開(kāi)放基金項(xiàng)目(2016KF05)
【分類(lèi)號(hào)】：TB534.2

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本文編號(hào)：2103110