PV_MPPT

航空发动机JT9D模型，可用于航空发动机建模以及控制(JT9D Model of Aeroengine)

labview中使用SQL数据库的演示，已经通过测试(LabVIEW SQL database using the demonstration, has passed the test)

球钟问题描述:球钟是一个利用球的移动来记录时间的简单装置。它有三个可以容纳若干个球的指示器：分钟指示器，五分钟指示器，小时指示器。若分钟指示器中有2个球，5分钟指示器中有6个球，小时指示器中有5个球，则时间为5:32。(Ball bell Problem Description: Ball Clock is a use ball movement to record the time of simple devices. It has three balls can accommodate a number of indicator: Indicator minutes five minutes indicator, hour indicator. If the indicator is 2 minutes balls for 5 minutes with six balls indicator, hour indicator has five balls, the time is 5:32.)

使用keil5编写的STM32输出四路互补的PWM，适配正点原子的mini版，同样是为电赛逆变系统做的准备。通过定时器的输出比较模式，在PC6~PC9，输出4路PWM，每路PWM频率为500Hz，占空比为50%，每一路PWM相位差为45°(The STM32 output four complementary PWM, which is written in keil5, is suitable for the mini version of the positive point atom, which is also the preparation for the electric match inverter system.Through the output comparison mode of the timer, in PC6~PC9, the output 4 road PWM, the PWM frequency of each road is 500Hz, the duty ratio is 50%, and the PWM phase difference of each road is 45 degrees.)

新手上传matlab程序，希望可以和大家互相交流学习(I hope to have a chance to learn from others)

说明：  通过BAS与PSO算法相结合，形成一种新的算法，通过不同的模型，进行仿真。(Through the combination of BAS and PSO algorithm, a new algorithm is formed, which is simulated by different models.)

可以实现脉动风的模拟，用于将功率谱转化为目标谱，实现于时程分析。(The simulation of pulsating wind can be realized to transform the power spectrum into the target spectrum and realize the time history analysis.)

熵权法根据各指标的变异程度，利用信息熵计算出各指标的熵权，再通过熵权对各指标的权重进行修正，从而得出较为客观的指标权重。(According to the variation degree of each index, the entropy weight of each index is calculated by using information entropy, and then the weight of each index is revised by the entropy weight, thus objectively obtaining the weight of each index.)

学习前端安全必备，php程序员可以借鉴学习(Learning Front End Safety Necessary)

锂电池均衡模型，用于均衡仿真，欢迎新能源行业的朋友使用(welcome download for lithium battery balance)