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SpeedRegulationSystemResearchofMiningElectricLocom
矿用电机车电控系统有两种,一种是有触点的电控系统,另一种是脉冲调速系统。以晶闸管为主要元件的脉冲调速系统在矿用电机车中仍大量使用。晶闸管属于半控型器件,其控制极只能控制开通而不能控制其关断,在低速运行时,晶闸管一经导通后,如果不能根据需要关断,则电动机承受全部电压而失去控制,电机车全速运行。本文利用MATLAB软件对矿用电机车晶闸管脉冲调速系统的主电路进行建模并仿真,对影响安全运行的关键元器件进行了详细的分析。仿真结果表明晶闸管脉冲调速系统存在安全隐患。随着电子工业的飞速发展,一种新型的全控型电力器件(绝缘门极晶体管IGBT)开始在工业中得到广泛的应用,脉冲调速电控系统如采用全控型电力器件代替半控型元器件(晶闸管),将会大大简化控制电路。由于控制电路简单,便于实现数字化控制。本文对IGBT的调速原理进行分析,采用IGBT和集成PWM脉宽调制器SG3525为主要元件,设计出了双闭环可逆自动调速系统,并对该系统进行实验验证,实验结果表明该系统优于晶闸管直流调速系统,而且运行稳定,可以很方便实现可逆运行。(Mine electric locomotive electronic control system has two types of electronic control system with contacts, and the other is the pulse speed control system. The pulse thyristor as the main component in the mining electric locomotive speed control system is still widely used. A semi-controlled thyristor type devices, the control can only control a very open and can not control the turn-off, in the low speed, the thyristor turn-on once, if not turned off as needed, then the loss of the motor under full voltage control, motor vehicle running at full speed. In this paper, MATLAB software mining electric locomotive speed control system pulse thyristor main circuit modeling and simulation, the key components of the safe operation of a detailed analysis. Simulation results show that the thyristor pulse control system security weaknesses. With the rapid development of the electronics industry, a new full-controlled power devices (Insulated Gate Transistor IGBT) began to be widely used in indu)
- 2010-12-24 13:40:45下载
- 积分：1
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matlabGAtoolbox
这是一个利用MATLAB遗传算法工具箱进行求函数最值的实际程序文档，对数学建摸及从事算法研究的人员具有很好的参考价值(This is a genetic algorithms using MATLAB toolbox function for the most value for the actual process documentation, mathematical modeling and algorithm engaged in the research staff has a good reference value)
- 2007-05-24 09:12:27下载
- 积分：1
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OLDA
正交线性判别分析（Orthogonal Linear Discriminant Analysis），可以用于数据降维上面。(orthogonal linear discriminant analysis (Orthogonal Linear Discriminan t Analysis), can be used for cutting down the data above.)
- 2007-04-09 16:49:12下载
- 积分：1
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criminisi
criminisi算法在matlab实现图像修复的代码,包括图像,源代码(the criminisi algorithm in Matlab code of image restoration, including images, source code)
- 2020-10-14 09:47:31下载
- 积分：1
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Class
Its all belongs to the beginners who loves to do projects or research in matlab
- 2011-08-12 20:51:57下载
- 积分：1
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armav
采用ARMAV模型识别模态参数,适用于多测点的工况(Identify modal parameters using ARMAV model)
- 2013-03-12 16:51:18下载
- 积分：1
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Desktop
光伏发电MPPT模型跟踪成功，利用电导增量法实现，效果很好。(Tracking success MPPT photovoltaic power generation model, using incremental conductance method, the effect is very good)
- 2020-09-05 16:48:05下载
- 积分：1
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KPCA
实现故障检测的核主元分析方法,自己编的程序，稍微修改一下运行效果很好(Achieve fault detection kernel principal component analysis method)
- 2021-04-10 11:58:59下载
- 积分：1
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ds1104_vect_serial
DS 1014 IMFOC control
- 2012-05-16 04:20:45下载
- 积分：1
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ICA
Independent Component Analysis Play a Role
in Unmixing Hyperspectral Data(This paper studies the impact of hyperspectral source statistical dependence on ICA and IFA performances)
- 2013-03-15 09:59:43下载
- 积分：1
