将人工智能化引入河工模型试验,提出河工模型智能化测控的涵义,建立以"模型自设计、试验自运行、数据自处理"为一体的全自动河工模型试验新模式,阐述了模型设计、试验及数据处理各过程的自动化流程及实施方法。基于VB(Visual ...将人工智能化引入河工模型试验,提出河工模型智能化测控的涵义,建立以"模型自设计、试验自运行、数据自处理"为一体的全自动河工模型试验新模式,阐述了模型设计、试验及数据处理各过程的自动化流程及实施方法。基于VB(Visual Basic)、ASP(Active Server Pages)和JAVA编程语言,开发了适用于电脑、服务器、移动终端等不同应用平台的智能测控系统。以赣江朝阳大桥河工模型为例,运用智能化测控系统自主完成了模型设计、边界控制、数据采集和数据分析,系统自主对比模型流速与原型流速,经人工验证,分析结果准确可靠。展开更多
An improved model predictive control algorithm is proposed for Hammerstein-Wiener nonlinear systems.The proposed synthesis algorithm contains two parts:offline design the polytopic invariant sets,and online solve the ...An improved model predictive control algorithm is proposed for Hammerstein-Wiener nonlinear systems.The proposed synthesis algorithm contains two parts:offline design the polytopic invariant sets,and online solve the min-max optimization problem.The polytopic invariant set is adopted to replace the traditional ellipsoid invariant set.And the parameter-correlation nonlinear control law is designed to replace the traditional linear control law.Consequently,the terminal region is enlarged and the control effect is improved.Simulation and experiment are used to verify the validity of the wind tunnel flow field control algorithm.展开更多
文摘将人工智能化引入河工模型试验,提出河工模型智能化测控的涵义,建立以"模型自设计、试验自运行、数据自处理"为一体的全自动河工模型试验新模式,阐述了模型设计、试验及数据处理各过程的自动化流程及实施方法。基于VB(Visual Basic)、ASP(Active Server Pages)和JAVA编程语言,开发了适用于电脑、服务器、移动终端等不同应用平台的智能测控系统。以赣江朝阳大桥河工模型为例,运用智能化测控系统自主完成了模型设计、边界控制、数据采集和数据分析,系统自主对比模型流速与原型流速,经人工验证,分析结果准确可靠。
基金Project(61074074)supported by the National Natural Science Foundation,ChinaProject(KT2012C01J0401)supported by the Group Innovation Fund,China
文摘An improved model predictive control algorithm is proposed for Hammerstein-Wiener nonlinear systems.The proposed synthesis algorithm contains two parts:offline design the polytopic invariant sets,and online solve the min-max optimization problem.The polytopic invariant set is adopted to replace the traditional ellipsoid invariant set.And the parameter-correlation nonlinear control law is designed to replace the traditional linear control law.Consequently,the terminal region is enlarged and the control effect is improved.Simulation and experiment are used to verify the validity of the wind tunnel flow field control algorithm.