| 非线性分离法广义预测控制稳态特性分析 |
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| 引用本文： | 丁宝苍,袁建顺. 非线性分离法广义预测控制稳态特性分析[J]. 控制工程, 2004, 11(4): 364-366,370 |
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| 作者姓名： | 丁宝苍 袁建顺 |
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| 作者单位： | 河北工业大学,自动化研究所,天津,300130;石家庄化纤有限责任公司,河北,石家庄,050032 |
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| 摘 要： | 对具有输入饱和约束和Harnmerstein非线性的系统,采用“非线性分离法广义预测控制(GPC)”策略,即采用线性GPC时先不考虑Hammerstein非线性,然后采用解非线性代数方程的方法处理该非线性。根据处理饱和约束和解方程的不同顺序,可得到两种“两步法GPC”和一种“非线性移去法GPC”,分析了这些方法的稳态特性,并通过仿真进行了验证。
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| 关 键 词： | 输入非线性 非线性分离法 广义预测控制 稳态特性 |
| 文章编号： | 1671-7848(2004)04-0364-04 |
| 修稿时间： | 2004-02-15 |
Properties of Nonlinear Removal Generalized Predictive Control |
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| DING Bao-cang,YUAN Jian-shun. Properties of Nonlinear Removal Generalized Predictive Control[J]. Control Engineering of China, 2004, 11(4): 364-366,370 |
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| Authors: | DING Bao-cang YUAN Jian-shun |
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| Abstract: | For systems with input saturation constraint and Hammerstein nonlinearity, the Hammerstein nonlinear separation generalized predictive control (HNSGPC) strategy is adopted. First, linear GPC is used without considering Hammerstein nonlinearity. Then, this nonlinearity is dealt with by solving nonlinear algebraic equation. According to the sequencing in dealing with saturation constraint and solving equation, two kinds of "two-step GPC" and a kind of "nonlinear removal GPC"are obtained. The steady properties of these controllers are analyzed and validated by a simulation example. |
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| Keywords: | input nonlinearity nonlinear separation strategy generalized predictive control steady property |
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