基于MATLAB的直流调速系统的仿真研究
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摘要
在现代生产过程中,许多电机要求在一定的范围内进行速度的平滑调节,并且要求有良好的稳态、动态性能。而直流电动机开环调速系统具有良好的启动、制动性能,适宜在大范围内平滑调速,在许多需要调速或快速正反向的电力拖动领域中得到广泛的应用。从控制角度来看,直流调速还是交流拖动的基础。直流电动机虽然存在结构复杂、价格较高、维修麻烦等缺点,但由于具有较大的起动转矩和良好的起、制动性能以及易于在宽范围内实现平滑调速,因此直流调速系统至今仍是自动调速系统的主要形式。
In the modern production process, many motors require a smooth adjustment of speed within a certain range, and requires a good steady-state, dynamic performance. The DC motor open-loop speed control system has a good start, braking performance. It is suitable for smooth speed adjustment in a wide range, and it is widely used in many fields of power drag that require speed adjustment or fast forward and negative direction. From the control point of view, DC speed regulation is the basis of AC drag. The DC motor has some disadvantages such as complex structure, high price and trouble maintenance, but due to the high torque and good start, braking performance and easy to achieve smooth speed adjustment in wide range. Therefore, DC speed control system is still the main form of automatic speed control system.
In the modern production process, many motors require a smooth adjustment of speed within a certain range, and requires a good steady-state, dynamic performance. The DC motor open-loop speed control system has a good start, braking performance. It is suitable for smooth speed adjustment in a wide range, and it is widely used in many fields of power drag that require speed adjustment or fast forward and negative direction. From the control point of view, DC speed regulation is the basis of AC drag. The DC motor has some disadvantages such as complex structure, high price and trouble maintenance, but due to the high torque and good start, braking performance and easy to achieve smooth speed adjustment in wide range. Therefore, DC speed control system is still the main form of automatic speed control system.
引文
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[4]薛定雨.控制系统计算机辅助设计MATLAB语言及其应用[M].北京:清华大学出版社,1996.
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[8]周渊深.交-直流调速系统与MATLAB仿真[M].中国电力出版社,2007.
[9]胡祝兵,陈颖峰. V-M系统的MATLAB仿真研究[N].承德石油高等专科学校学报,2005 Vol.7 No.4.
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