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基于Hammerstein-Wiener逆模型补偿的预测控制非线性变换策略
Alternative TitleA nonlinear transformation strategy of predictive control based on Hammerstein-Wiener inverse model compensation
孙浩杰1,2,3; 邹涛1,2; 张鑫1,2; 惠存万4)
Department工业控制网络与系统研究室
Source Publication控制理论与应用
ISSN1000-8152
2019
Pages1-8
Contribution Rank1
Funding Organization国家重点研发计划项目(2016YFF0101700-04) ; 国家自然科学基金项目(61773366,61533015)
KeywordHammerstein-Wiener模型 逆模型 非线性系统 模型预测控制
Abstract针对一类Hammerstein-Wiener模型描述的非线性控制系统,提出一种基于逆模型补偿的预测控制策略.在控制优化计算中,利用Wiener非线性环节的逆模型分别对系统输出设定值和采样值进行变换;在控制实施过程中,将控制器输出操作量经过Hammerstein静态非线性环节模型逆变换后施加到实际被控对象上,通过两次逆变换,使得标称模型下控制器输出与闭环系统中线性环节的输入相一致.通过非线性变换补偿将非线性过程的控制转化为线性系统控制,避免了对非线性模型进行优化计算量大及预测不准确的问题.最后通过仿真验证了所提方案的可行性及有效性.
Other AbstractThis work focuses on the nonlinearity control system which is descripted by Hammerstein-Wiener model, and proposes a model predictive control strategy bases on compensation of inverse model. During the calculation of optimal control, an anti-model of Wiener nonlinearity unit is used to set the output setting values and the sample values, and in the control process, the controller output is applied to the actual controlled object after the inverse transformation by the static nonlinear Hammerstein link model. Through the above two inverse transformation, which could ensure the output of the controller consistent with the input of the linearity unit in the closed-loop system. Nonlinear transform compensation method is utilized to transform nonlinear process control into linear system control, which avoid large computation and inaccurate prediction in optimizing the nonlinear model directly. Finally, the feasibility and effectiveness of the proposed scheme are verified by simulation.
Language中文
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/25631
Collection工业控制网络与系统研究室
Corresponding Author邹涛
Affiliation1.中国科学院沈阳自动化研究所中国科学院网络化控制系统重点实验室
2.中国科学院机器人与智能制造创新研究院
3.中国科学院大学
4.抚顺石化公司烯烃厂
Recommended Citation
GB/T 7714
孙浩杰,邹涛,张鑫,等. 基于Hammerstein-Wiener逆模型补偿的预测控制非线性变换策略[J]. 控制理论与应用,2019:1-8.
APA 孙浩杰,邹涛,张鑫,&惠存万4).(2019).基于Hammerstein-Wiener逆模型补偿的预测控制非线性变换策略.控制理论与应用,1-8.
MLA 孙浩杰,et al."基于Hammerstein-Wiener逆模型补偿的预测控制非线性变换策略".控制理论与应用 (2019):1-8.
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