粒子群算法的仿真程序，并采用典型benchmark进行演示分析； 然后，应用粒子群算法进行热工过程水轮机系统模型辨识，matlab软件可直接运行； 采用粒子群算法与PID参数整定进行联合仿真，用以提高PID控制器对热工过程水轮机的控制性能。(Particle swarm algorithm simulation program, and the use of a typical benchmark for demonstration analysis; Then, the particle

能够对二维桁架进行静力分析，快速求解二维桁架静力问题，适用于复杂大型二维桁架结构静力学问题(The static analysis of two-dimensional truss can be used to solve the static problem of two-dimensional truss, and it can be applied to the statics of complex and large two-dimensional truss structures.)

分别对matlab和ansys两种平台的拓扑优化结果分析比较，为学习者提供了两种不同优化设计思路，过程详细清晰，易于学习理解(The analysis and comparison of topology optimization results between MATLAB and ANSYS two platforms provide two different optimization design ideas for learners. The process is clear and

matlab有限元结构动力学分析实例，对结构动力学分析过程中的频率，特征值，模态的求解都有详细实例(Examples of finite element dynamics analysis of matlab, there are detailed examples for the frequency, eigenvalues, modal solutions in the process of structural dynamic analysis.)

A single phase grid connected with a photovoltaic (PV) power system that will provide high voltage gain with state model analysis for the control of the system has been presented. First the photovoltaic system is designed and simulated using MATLAB