具有单调性非线性项的非线性系统降维观测器设计

朱芳来; 丁宣浩

doi:10.1360/aas-007-1290

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具有单调性非线性项的非线性系统降维观测器设计

doi: 10.1360/aas-007-1290

1.
Institute of Mathematics and Statistics, Chongqing Technology & Business University, Chongqing 400067, P.R.China
2.
College of Electronics and Information Engineering, Tongji University, Shanghai 200092, P.R.China

详细信息

通讯作者:
朱芳来

计量
- 文章访问数: 3281
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- PDF下载量: 2035
- 被引次数: 0
出版历程
- 收稿日期: 2006-08-29
- 修回日期: 2007-02-05
- 刊出日期: 2007-12-20

The Design of Reduced-order Observer for Systems with Monotone Nonlinearities

1.
Institute of Mathematics and Statistics, Chongqing Technology &Business University, Chongqing 400067, P.R.China;
2.
College of Electronics and Information Engineering, Tongji University, Shanghai 200092, P.R.China

More Information

Corresponding author: ZHU Fang-Lai

摘要

摘要: Based on the discussion about the existence and design method of full-order observer for systems with monotone nonlinearities, a reduced-order observer design method is developed under the assumption that a linear matrix inequality (LMI) has positive definite matrix solution and the reduced-order observer gain matrix is computed by the solution of LMI. By a linear transformation, a reduced-order observer which does not contain the information of the derivative of the system output is provided. A model is simulated and some conclusions are drawn based on the comparison of the results of reduced-order observer to that of full-order observer. The simulation shows that the design method developed by this paper has good performance.
- Linear matrix inequality (LMI) /
- monotone nonlinearities /
- full-order observer /
- reduced-order observer
Abstract: Based on the discussion about the existence and design method of full-order observer for systems with monotone nonlinearities, a reduced-order observer design method is developed under the assumption that a linear matrix inequality (LMI) has positive definite matrix solution and the reduced-order observer gain matrix is computed by the solution of LMI. By a linear transformation, a reduced-order observer which does not contain the information of the derivative of the system output is provided. A model is simulated and some conclusions are drawn based on the comparison of the results of reduced-order observer to that of full-order observer. The simulation shows that the design method developed by this paper has good performance.
- Linear matrix inequality (LMI) /
- monotone nonlinearities /
- full-order observer /
- reduced-order observer