共查询到17条相似文献,搜索用时 62 毫秒
1.
针对永磁同步电动机中存在的混沌运动,给出了一种基于冲洗滤波(washout filter)技术的永磁同步电动机混沌控制方法.该方法以永磁同步电动机的电流作反馈,实现了混沌运动的控制.该控制方法不影响原系统的参数,只需要调整滤波器的控制参数,算法简单、易于工程实现.数值仿真结果表明了该方法的有效性和鲁棒性.
关键词:
冲洗滤波器
永磁同步电动机
混沌控制 相似文献
2.
3.
采用Lyapunov间接法分析永磁同步电动机系统平衡点的稳定性 ,确定系统参数取值范围 ,研究其分岔、混沌特性 ,并应用基于系统变量延迟反馈的控制及外加周期信号控制两种方法对系统的混沌进行控制 ,取得很好的控制结果。 相似文献
4.
5.
6.
7.
针对永磁同步风力发电系统的混沌运动现象, 提出了基于系统Hamilton模型的H∞控制方案, 使得系统脱离混沌, 运行稳定. 首先将永磁同步风力发电系统模型经过一系列状态变换, 转化为类Lorenz经典数学模型, 并验证了系统在一定参数区域内存在混沌现象. 随后基于Hamilton系统充分利用系统物理结构和无需补偿“无功力”的优点, 建立了混沌系统的Hamilton模型, 并考虑了系统存在外扰情况下的H∞控制方法. 本文所设计的控制器不仅简单易实现而且反映了系统内部结构以及动态特性的信息. 仿真实验证明了控制器的有效性. 相似文献
8.
9.
针对永磁同步风力发电系统的混沌运动现象, 提出了基于系统Hamilton模型的H∞控制方案, 使得系统脱离混沌, 运行稳定. 首先将永磁同步风力发电系统模型经过一系列状态变换, 转化为类Lorenz经典数学模型, 并验证了系统在一定参数区域内存在混沌现象. 随后基于Hamilton系统充分利用系统物理结构和无需补偿“无功力”的优点, 建立了混沌系统的Hamilton模型, 并考虑了系统存在外扰情况下的H∞控制方法. 本文所设计的控制器 相似文献
10.
11.
Controlling chaos in permanent magnet synchronous motor based on finite-time stability theory 下载免费PDF全文
This paper reports that the performance of permanent magnet
synchronous motor (PMSM) degrades due to chaos when its systemic
parameters fall into a certain area. To control the undesirable
chaos in PMSM, a nonlinear controller, which is simple and easy to
be constructed, is presented to achieve finite-time chaos control
based on the finite-time stability theory. Computer simulation
results show that the proposed controller is very effective. The
obtained results may help to maintain the industrial servo driven
system's security operation. 相似文献
12.
13.
14.
15.
Adaptive synchronization of chaos in permanent magnet synchronous motors based on passivity theory 下载免费PDF全文
An adaptive synchronization control method is proposed for chaotic permanent magnet synchronous motors based on the property of a passive system. We prove that the controller makes the synchronization error system between the driving and the response systems not only passive but also asymptotically stable. The simulation results show that the proposed method is effective and robust against uncertainties in the systemic parameters. 相似文献
16.
Adaptive synchronization of chaos in permanent magnet synchronous motors based on passivity theory 下载免费PDF全文
An adaptive synchronization control method is proposed for chaotic permanent magnet synchronous motors based on the property of a passive system.We prove that the controller makes the synchronization error system between the driving and the response systems not only passive but also asymptotically stable.The simulation results show that the proposed method is effective and robust against uncertainties in the systemic parameters. 相似文献
17.
In this paper we investigate the chaotic behaviors of the fractional-order permanent magnet synchronous motor(PMSM).The necessary condition for the existence of chaos in the fractional-order PMSM is deduced.And an adaptivefeedback controller is developed based on the stability theory for fractional systems.The presented control scheme,which contains only one single state variable,is simple and flexible,and it is suitable both for design and for implementation in practice.Simulation is carried out to verify that the obtained scheme is efficient and robust against external interference for controlling the fractional-order PMSM system. 相似文献