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1.Through comparing the simulationresults, tracing and filtering performances of linear tracing differentiator and extendedstate observer and characteristics of quadratic linear ADRC are analyzed.
通过大量仿真、对比,分析了非线性跟踪-微分器、扩张状态观测器的跟踪和滤波性能以及二阶线性自抗扰控制器的性能。收藏指正
2.In this paper, history of ADRC is introduced, ADRC and its three componentsincluding linear tracing differentiator, extended state observer and the structure ofnonlinear error feedback control regulation are deeply analyzed and simulationmodels of quadratic nonlinear tracing differentiator, thress order extended stateobserver and quadratic linear ADRC are given.
本文介绍了自抗扰控制器的发展历程,分析了自抗扰控制器及其三个组成部分,即非线性跟踪-微分器、扩张状态观测器和非线性误差反馈控制率的结构,并分别建立二阶非线性跟踪-微分器、三阶扩张状态观测器和二阶线性自抗扰控制器的仿真模型。收藏指正
3.In accordance with the feature of non-linear and time varying for ferment process,the neural network model is established to estimate the concentration of product. Based on this model,PSO algorithm is applied to reach the optimum and optimal trajectory for the ferment process of L-Asparaginase Ⅱ. By online adjustment,the tracing control to the optimal trajectory is implemented.
针对发酵过程的非线性、时变等特点,建立了基于BP神经网络的产物浓度预估模型,并在此模型的基础上,利用改进的粒子群算法(PSO)实现对L-天冬酰胺酶II发酵过程控制参数的寻优,以确定该过程的优化轨线,通过在线调整实现对优化轨线的跟踪控制,实验应用结果表明效果良好。收藏指正
4.Using a ray-tracing code combined with a fast two-dimensional relativistic quasi-linear Fokker-Planck solver,the 2D equation is discretized in momentum space using an implicit 5-point stencil and solved using the NAG library routine D03UAF. Numerical simulation of synergy of LHW and FW for the FTU(Frascati Tokamak Upgrade) plasmas has been carried out.
在二维Fokker-Planck方程求解的程序中,把含有相对论、准线性效应二维快Fokker-Planck方程的求解子程序与波的射线轨迹程序相结合,采用了5点模板对动量空间进行离散化处理,调用了NAG库子程序D03UAF对方程求解。收藏指正
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