| 柴油发电机调速系统极点配置和LQR控制设计 |
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| 引用本文： | 许明华.柴油发电机调速系统极点配置和LQR控制设计[J].福建工程学院学报,2012(3):245-249. |
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| 作者姓名： | 许明华 |
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| 作者单位： | 福建船政交通职业学院船政学院 |
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| 摘 要： | 柴油发电机调速器稳定性主要取决于柴油发电机调速系统的转速响应特性。文章分析了柴油机发电机调速特性,建立了柴油发电机调速系统的数学模型,得到柴油机调速系统参数表达式。应用现代控制理论,进行控制器的选择,分析比较闭环状态反馈极点配置控制器和最优控制策略LQR控制器,以完善调速器参数。通过仿真系统状态在阶跃响应和参数摄动时响应曲线,分析比较仿真结果,结果显示该设计的发电机调速系统具有更好的动态性能,并且改善了系统频率的稳定性。
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| 关 键 词： | 发电机 调速器 极点配置 LQR控制器 |
Pole placement and linear quadratic regulator(LQR) design of generator speed control system |
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| Xu Minghua.Pole placement and linear quadratic regulator(LQR) design of generator speed control system[J].Journal of Fujian University of Technology,2012(3):245-249. |
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| Authors: | Xu Minghua |
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| Institution: | Xu Minghua(School of Chunzheng,Fujian Chuanzheng Communications College,Fuzhou 350007,China) |
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| Abstract: | The stability of the control system of diesel generator mainly depends on the speed response characteristics of the speed regulation system.The dynamic characteristics of the speed control system of diesel generators were analysed.A mathematical model of the speed control system of diesel generator was established.Parameter expressions of the speed control system of diesel generators were obtained.The speed control system was selected and the control parameters were bettered via comparison between the speed controller in the pole placement of closed-loop state feedback and the optimal control strategy linear quadratic regulator(LQR) controller.The simulation results of the step response and parameter perturbation show that the diesel generator speed regulation system has better dynamic performance and can improve the system’s frequency stability. |
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| Keywords: | generator speed regulator pole placement linear quadratic regulator(LQR) controller |
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