mieca

三电平载波PWM谐波分析及LCL滤波器设计(Three-level PWM carrier harmonic analysis and LCL filter design)

矢量控制与直接转矩控制是当前主要的两种电机变频调速控制方法，已在两相交流感应电机中得到 了应用。分析了两相不对称电机矢量控制和直接转矩控制原理以及两相三桥臂逆变器的SVPWM实现方法； 运用Matlab的Simulink建立了两相不对称交流感应电机矢量控制和直接转矩控制调速系统的仿真模型，并 对两种控制系统进行了仿真研究，给出了仿真波形，进行了特性比较． 关键词：两相电机；矢量控制；直接转矩控制；SVPWM；MATLAB；仿真(Vector Control and Direct Torque Control is currently the main method of frequency control of two motors, has been in two-phase AC induction motor has been applied. Analysis of asymmetric two-phase motor vector control and direct torque control principle and two-phase SVPWM inverter arm Bridge Implementation the use of Matlab in Simulink to establish a two-phase AC induction motor asymmetry of vector control and direct torque control modulation speed of system simulation models, and the two control system was simulated, the simulation waveform characteristics were compared. Key words: two-phase motor vector control direct torque control SVPWM MATLAB Simulation)

说明：  以齿轮箱的历史故障数据为依据,提出了齿轮故障诊断数据仓库的功能架构,并对数据的收 集、集成、存储等方面进行了研究,建立了齿轮故障诊断模型。为齿轮故障诊断提供了一种新的方法。 (The functional structure of datawarehouse of gear fault diagnosis is proposed based on gear fault date previously. Research on data collect, data integration, data storage is carried out. The diagnosis model of gear fault diagnosis is established. A newmethod of gear fault diagnosis is provided )

一种基于ABC-AFS算法的混合入侵检测系统，用于误用和异常检测(A hybrid intrusion detection system based on ABC-AFS algorithm for misuse and anomaly detection)

HVAC part 01-By Eng.Ramy Ghoraba

三相电压型逆变器的建模、设计，IEEE，讲解非常细致深入，非常有帮助！(Three-phase voltage source inverter modeling, design, IEEE, explaining in great detail in depth, very helpful!)

THESIS FOR UPFC DAMPING CONTROLLER

ChinaPay商户支付接口接入为ChinaPay商户会员提供完善的网上支付解决方案，让商户更快捷、方便和安心的开展网上交易。目前ChinaPay商户支付接口接入提供如下功能：  商户消费交易的银行支付  商户针对成功消费交易的退款  商户对已有交易(消费)查询(ChinaPay merchant payment interface to provide better access to online payment solutions for merchants ChinaPay members make business more efficient, convenient and secure online transactions carried out. Currently ChinaPay merchant payment interface provides access to the following functions:  merchant bank consumer transactions for merchants to pay refunds   consumer transactions business success of the existing transaction (consumption) inquiry)

嵌入式电网故障自动录波系统的设计论文，全面介绍了前置机的数据采集板设计方案，包括开关量和模拟量的采集(Embedded Network Fault automatic recording system design papers, FRONT-END comprehensive presentation of the data acquisition board design programs, including switching and analog volume collection)

这是我转子动力学的大作业。用matlab编程计算双转子的临界转速。使用传递矩阵的思想编的。(This is my homeworkrotor of cuorse of rotordynamics . It contains a Matlab programe with dual-rotor calculation of critical speed using the idea of transfer matrix .)