IJISA-V4-N12-2

为了给变频调速系统提供必要的设计参数，依据空间电压矢量脉宽调制（SVPWM）基本原理，介绍了 异步电动机及 SVPWM 算法在 Matlab/Simulink 环境下的建模过程及基于矢量控制理论的变频调速系统动态 模型建立。详细地阐述了实现仿真的方法，并针对仿真中的关键问题及系统的仿真结果进行了分析。仿真结 果表明，采用该控制系统，电压及转矩波动小，转速响应迅速，系统的各项指标都满足电机实际运行特性要 求。其仿真算法对于实现数字化控制变频调速系统具有一定的价值。 (To provide the necessary design parameters for the actual motor control system, the modeling course of voltage space vector pulse wide modulation（SVPWM）agrithmetic and AC motor under Matlab/Simulink environment are introduced. The dynamic model of variable frequency speed regulating system based on vector control is discussed according to the principle of SVPWM. The new method of realizing simulation, key problems and results of the simulation are analyzed in detail. The experimental simulation results show that this system has smaller fluctuations of voltage and torque, quicker response speed, and all of the indicators accord with the performance of the actual motor. The simulation agrithmetic have value to realize controlling motor with digital signal processing. )

将老师的信息更好的管理，提高工作效率，同时避免人工管理的错误，所以制作了老师信息管理系统(Better teacher management, and improve work efficiency, while avoiding the errors of manual management, so the production the teacher information management system)

带串行控制的10位模数转换器TLC1549在8051系统中的应用(with serial control of the TLC1549 10 Analog to Digital in 8051 System of)

SAP Advanced Planning and Optimization

本文研究开发了大功率风电齿轮箱试验台,用于6兆瓦以下的风电齿轮箱台架试验。论述了风电机组和风电齿轮箱的基本结构及电功率封闭式的齿轮箱试验台在风电齿轮箱试验台中的应用。在此基础上,利用西门子变频器、电动机、可编程控制器和WINCC监控软件搭建了风电齿轮箱试验台的驱动和加载系统,可实现对风电齿轮箱的驱动和加载,完成风电齿轮箱的各种试验,模拟风电齿轮箱在风力发电时的工作状态。利用NI数据采集卡和Labview软件搭建了风电齿轮箱运行状态监控系统,可对试验中的风电齿轮箱进行状态监控、故障诊断和停机保护。(With the development of science and technology , Phoenix can be more and more attention as a new non-polluting and renewable energy . )

很好的获取捷联航姿参数的说明文件，具有指导意义(obtained SINS parameter)

改程序是郭磊，基于定向二维插值的逆投影变换方法论文中对应的程序，对于学习该篇论文的朋友有一定的帮助。(Guo Lei reform program is based on inverse projection transform paper orientation corresponding two-dimensional interpolation program for learning the papers friends will certainly help.)

是不错的MIS规划书，基于C、java、vb、vc等都可以，很好的编程资料(It s a good planning book about MIS,basing on Cjavavbvc...,good programing material)

battery NiMH Charging

用户用电的数据采集与分析，能对用电用户进行数据采集，然后对这些数据进行统计分析。(users use electricity behavior data collection and analysis,which can collect data from different users and carry on analysis.)