| 一类鲁棒非线性励磁控制器设计的新方法 |
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| 引用本文： | 张秀华,张庆灵,谢彦红.一类鲁棒非线性励磁控制器设计的新方法[J].东北大学学报(自然科学版),2004,25(1):17-19. |
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| 作者姓名： | 张秀华 张庆灵 谢彦红 |
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| 作者单位： | 东北大学,理学院,辽宁,沈阳,110004;沈阳化工学院,基础部,辽宁,沈阳,110142 |
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| 基金项目： | 辽宁省高等学校中青年学科带头人基金，辽宁省科技计划 |
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| 摘 要： | 运用控制领域的新成果非线性控制理论的H J不等式,针对一类鲁棒非线性励磁控制的单机无穷大电力系统,给出了非线性励磁控制器·它既考虑了电力系统的非线性,又顾及了干扰的影响,因此,具有广泛性·由于在控制器设计过程中未用到任何线性化方法,因而能完整地保留系统的非线性特性·且该设计方法使H∞控制理论在电力系统控制研究中得到了进一步的应用·与传统的线性化方法设计的控制器相比,新的励磁控制器具有结构简单,有效改善系统稳定性等多方面优点·
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| 关 键 词： | 鲁棒 非线性 励磁控制 H∞控制理论 电力系统 |
| 文章编号： | 1005-3026(2004)01-0017-03 |
| 修稿时间： | 2003年7月16日 |
New Approach to Design of Nonlinear Robust Excitation Controller |
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| ZHANG Xiu-hua,ZHANG Qing-ling,XIE Yan-hong.New Approach to Design of Nonlinear Robust Excitation Controller[J].Journal of Northeastern University(Natural Science),2004,25(1):17-19. |
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| Authors: | ZHANG Xiu-hua ZHANG Qing-ling XIE Yan-hong |
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| Institution: | ZHANG Xiu-hua~1,ZHANG Qing-ling~1,XIE Yan-hong~2 |
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| Abstract: | A kind of nonlinear robust controllers for power systems was studied.Applying the latest achievements in the field of control theory,i.e. Hamilton-Jacobi inequality of nonlinear control theory, a new approach to the design of nonlinear robust excitation controller is proposed. It takes account of not only the nonlinearity of power systems but the interference effect, with higher versatility provided. In the design process nonlinear characteristics are kept completely without linear technique used here, so as to enhance the capability of the system and enable the control theory to be applied further to power systems. Compared with the excitation controllers designed via conventional linearization, the newly designed ones have superiorities in simpler construction and more efficient stability. |
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