最近邻耦合网络&度分布计算

大坝变形的精确预测对其安全评价方面发挥着重要作用。为了进一步提高大坝变形预测精度，提出了一种改进的灰狼算法优化支持向量机的预测模型。通过引入非线性收敛因子和采用动态加权策略，提升灰狼算法优化支持向量机惩罚因子和核函数参数的能力，并以优化的参数来建立支持向量机大坝变形预测模型。选取实例数据，在与布谷鸟算法、差分进化算法、粒子群算法、基本灰狼算法优化的支持向量机预测比较中，实验结果表明，改进的灰狼算法对支持向量机参数的优化是有效的，可以提高大坝变形预测精度。(Accurate prediction of dam deformation plays an important role in its safety evaluation. In order to further improve the prediction accuracy of dam deformation, an improved grey Wolf algorithm is proposed to optimize the prediction model of support vector machine. By introducing the nonlinear convergence factor and using the dynamic weighting strategy, the gray wolf algorithm is improved to optimize the capacity of the support vector machine penalty factor and the kernel parameter, and the support vector machine dam deformation prediction model is established with the optimized parameters. The experimental results show that the Improved Grey Wolf algorithm is effective for the optimization of support vector machine parameters, and it can improve the accuracy of the deformation prediction of the dam.)

纳入了机械损伤和应变速率的断裂UMAT子程序，不能用于平面应力。(The fracture UMAT subroutine incorporating mechanical damage and strain rate can not be used for plane stress.)

这个程序是雷达信号处理中的恒虚警检测算法，使用matalab语言编写，运行即可使用。(This program is constant false alarm detection in radar signal processing algorithm, using matalab language, running can be used.)

说明：  Matlab 有限元的分析全过程 ，包括前期建模，后处理(Matlab finite element analysis of the whole process, including pre modeling, post-processing)

PID控制的水轮机调速器 simulink模型(Simlink Model of Hydraulic Turbine Governor Controlled by PID)

基于bpa的IEEE39节点算例，包含暂态数据和稳态数据(Example of IEEE39 node based on BPA)

说明：  根据一设定运动轨迹进行模糊pid观测器设定，让后进行跟踪，实现有效跟踪。(According to a set motion trajectory, the fuzzy PID observer is set, and then the tracking is carried out to achieve effective tracking.)

说明：  直流电机双闭环系统，实现转速和电流的反馈，根据给定的不同，电动机转速也会不同(DC motor double closed loop system)

说明：  电力系统电压调节及一次调频的MATLAB仿真(Matlab simulation of primary frequency regulation)

说明：  该模型是对50kW、380V、50Hz三相三电平逆变器的两个相同电路进行建模。IGBT逆变器采用SPWM技术，(8kHz载频)将直流电源从a +/-200Vdc源转换为220V AC, 50Hz。逆变器通过75kVA 220/380V变压器输入50kW电阻负载。变频器输出采用L-C滤波器滤除主要产生于8kHz开关频率倍数(Fh=n*8000 +/-k*50Hz)附近的谐波频率Fh。逆变器所需的12个逆变脉冲由PWM发生器块产生。该系统以恒定的调制指标在开环中工作。 电路1使用三电平桥块对逆变器进行建模。电路2使用独立的IGBTs和二极管块。用开/关延时块模拟死区，仅在电路1上应用。(It is easy for us)