ukf_for_track_6_div_system

对动态系统辨识理论做了概括性的介绍，包含了常用的非参数系统辨识方法和参数辨识方法，并将神经网络人工智能算法应用到复杂系统参数识别，适用于系统控制、参数识别与数据预测等领域的学习。传统方法与现在智能算法都配有实例，每个代码文件都有详细注释。(This paper gives a general introduction to the dynamic system identification theory, including commonly used non-parametric system identification methods and parameter identification methods, and applies neural network artificial intelligence algorithms to complex system parameter identification, which is suitable for system control, parameter identification and data prediction. Learning in other fields. Both traditional methods and current smart algorithms are equipped with examples, and each code file has detailed comments.)

abaqus 帮助文档中的蠕变本构模型，包括时效强化模型和应变强化模型，以及一个模型的inp文件(Creep constitutive model in abaqus help document, including time-based reinforcement model and strain reinforcement model, and inp file of a model)

说明：  tarjan算法求解有向图中的简单环，非常好用(Tarjan algorithm is very useful for solving simple rings in directed graphs.)

基于hypermill 10的五轴后处理转换器，优化了算法，中文界面。支持多种结构的五轴机床刀路仿真，输出高质量刀路。是五轴雕刻机的必备后处理转换器。(Based on the hyperMILL 10 five axis post processing converter, the algorithm, the Chinese interface is optimized. Support a variety of structure of the five axis machine tool path simulation, output high quality tool path. It is the necessary post-processing converter for the five axis engraving machine.)

本文首先分析了永磁同步电机矢量控制的发展概况，然后从机电能量转换的角度出发，解释三相永磁同步电机的机电能量转换原理，推导拉格朗日运动方程。此外，列写出永磁同步电机在三相静止坐标系和dq坐标系下的数学模型。基于Simulink建立了转速电流双闭环矢量控制系统的仿真模型，通过对仿真结果分析，验证了永磁同步电机矢量控制系统性能的优越性。(This paper first analyzes the development of permanent magnet synchronous motor vector control, and then explains the electromechanical energy conversion principle of three-phase permanent magnet synchronous motor from the perspective of electromechanical energy conversion, and deduce the Lagrange motion equation. In addition, the mathematical model of permanent magnet synchronous motor (PMSM) in three phase stationary coordinate system and dq coordinate system is listed. Based on Simulink, a simulation model of speed and current double closed loop vector control system is established. By analyzing the simulation results, the performance of PMSM vector control system is verified.)

说明：  用Fortran语言编写的abaqus，Dflux热源子程序，路径为环形路径(Abaqus, Dflux heat source subroutine written in Fortran language, with a circular path)

svpwm的MATLAB仿真实现 ，此程序用于svpwm的S-function的建立(MATLAB simulation implementation of SVPWM)

采用Python脚本语言二次开发ABAQUS的前处理模块创建了一个带孔平板模型，实现了参数化建模。(Parametrical model using Python in Abaqus.)

说明：  lm求解非线性方程组(Solving nonlinear equations by LM)

多目标优化的最大妥协解，转换成单目标优化 三人博弈的部分(The maximum compromise solution of multiobjective optimization)