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1)  magnetismeffect Preisach model
磁后效Preisach模型
2)  Preisach hysteresis model
Preisach磁滞模型
1.
Research and application on Preisach hysteresis model based on ANN
基于人工神经网络的Preisach磁滞模型与实现
2.
To obtain the highest average magnetic strength in the effective region of a fixed magic ring,a genetic algorithm was combined with finite element analysis and Preisach hysteresis model based on the actual property simulation of permanent magnet material.
以魔环安装完毕有效区内产生最大平均磁密为优化目标,在对强磁场下永磁材料磁特性精确模拟的基础上,将遗传算法与有限元分析及Preisach磁滞模型三者结合起来,对魔环内部软磁材料的结构进行了优化设计。
3)  Vector Preisach hysteresis model
矢量Preisach磁滞模型
4)  Preisach model
Preisach模型
1.
The data have been analyzed within the framework of a generalized Preisach model,which includes thermal fluctuations,critical phenomenon and the temperature dependent distribution of free energy barriers.
考虑热涨落和自由能壁垒随温度的变化,用Preisach模型对测量数据进行了拟合。
2.
The numerical simulations clearly replicate all of the experimental data using the same parameters based on the Preisach model.
用相同的一套参数,利用基于双势阱的Preisach模型再现了样品所有的磁测量曲线,得到了耗散场的大小和分布。
3.
The si mulation of the Preisach model for materials mainly tookinto account the sequences of spontaneous magnetic moment switching,and gave a detailed numerical explanation ofmagnetization structure.
Preisach模型对材料的模拟,主要从自发磁矩的先后翻转顺序出发对材料磁化结构有一个详细的数值解释,考察了材料Barkhausen跳跃的实质问题。
5)  inverse Preisach model
Preisach逆模型
1.
To reduce the effect of hysteresis of piezoceramic actuator to the accuracy of the nano positioning stage,inverse Preisach model is used to compensate the hysteresis nonlinearity and an adaptive sliding mode controller is designed to cancel the remaining hysteresis,uncertainty of the model,and other disturbances.
为了降低压电陶瓷执行器迟滞特性对纳米定位平台精度的影响,利用Preisach逆模型补偿迟滞特性,并针对逆模型未能完全补偿的迟滞特性、模型参数的不确定性以及其他扰动设计了自适应滑模控制律。
2.
In order to realize high precision tracking control of the Giant Magnetostrictive Administer(GMA),a numerical compensation approach was presented based on inverse Preisach model and a series of optimized experimental methods were discussed.
针对超磁致伸缩执行器(GMA)的非线性迟滞,研究了开环条件下采用Preisach逆模型对参考轨迹实现精密跟踪的补偿方法。
6)  Preisach-DOK model
Preisach-DOK模型
1.
The Henkel plot and the Δm plot of a longitudinal barium ferrite hard disk and γ-Fe2O3 flexible disk were simulated by the improved Preisach-DOK model.
利用改进的Preisach-DOK模型模拟得到了纵向钡铁硬磁盘及γ-Fe2O3软盘的Henkel曲线和Δm曲线。
补充资料:磁铅石型旋磁铁氧体
分子式:
CAS号:

性质:晶体结构和天然磁铅石Pb(Fe7.5Mn3.5A10.5Ti0.5)19类似的铁氧体称为磁铅石型铁氧体。其结构对称性较尖晶石型的为低。其中晶体具有各向异性大、矫顽力高的六角晶系铁氧体,称为磁铅石型微波铁氧体。主要有M型(BaFe12O19)和W型(BaM2+2Fel6O27),M为锰、钴、镍、锌、镁等二价金属离子。通过离子代换部分Ba2+,可获得BaO-MO-Fe2O3三元系的磁铅石型复合铁氧体,并可使各向异性场在一定范围内变化。制造方法可用一般磁性瓷生产工艺,热压烧结或气氛烧结制成。用于微波频段,可制成隔离器、相移器、调制器、环行器等线性器件和倍频器、限幅器、振荡器、混频器、参量放大器等非线性器件。是发展现代微波技术的重要材料。

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