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    • 5. 发明申请
    • METHOD AND SYSTEM FOR PROCESS CONTROL
    • 用于过程控制的方法和系统
    • US20090018671A1
    • 2009-01-15
    • US11776785
    • 2007-07-12
    • Ranganathan SrinivasanJ. Ward MacArthurGobinath PanduranganMurugesh PalanisamySriram Hallihole
    • Ranganathan SrinivasanJ. Ward MacArthurGobinath PanduranganMurugesh PalanisamySriram Hallihole
    • G05B15/00
    • G05B17/02
    • A method and system for process control. The control system can be operably coupled to a processing system. The control system can include control devices operably coupled to the processing system; a modeling module to provide a linear model based at least in part on the processing system; a computational module to provide controller algorithms associated with the control devices; a user interface module to present at a user interface controller information based at least in part on the linear model and the controller algorithms; and a separate coordination module for establishing communication between the modeling module, the computational module and the user interface module. One or more control signals can be provided to at least one of the control devices for controlling the processing system. In one embodiment, the modeling module can generate the linear model from a non-linear process.
    • 一种过程控制的方法和系统。 控制系统可以可操作地耦合到处理系统。 控制系统可以包括可操作地耦合到处理系统的控制装置; 至少部分地基于处理系统提供线性模型的建模模块; 提供与控制装置相关联的控制器算法的计算模块; 用户界面模块,用于至少部分地基于所述线性模型和所述控制器算法在用户界面处呈现控制器信息; 以及用于建立建模模块,计算模块和用户界面模块之间的通信的单独的协调模块。 可以向至少一个控制装置提供一个或多个控制信号,以控制处理系统。 在一个实施例中,建模模块可以从非线性过程生成线性模型。
    • 6. 发明授权
    • Method and system for process control
    • 过程控制的方法和系统
    • US07881815B2
    • 2011-02-01
    • US11776785
    • 2007-07-12
    • Ranganathan SrinivasanJ. Ward MacArthurGobinath PanduranganMurugesh PalanisamySriram Hallihole
    • Ranganathan SrinivasanJ. Ward MacArthurGobinath PanduranganMurugesh PalanisamySriram Hallihole
    • G05B13/02
    • G05B17/02
    • A method and system for process control. The control system can be operably coupled to a processing system. The control system can include control devices operably coupled to the processing system; a modeling module to provide a linear model based at least in part on the processing system; a computational module to provide controller algorithms associated with the control devices; a user interface module to present at a user interface controller information based at least in part on the linear model and the controller algorithms; and a separate coordination module for establishing communication between the modeling module, the computational module and the user interface module. One or more control signals can be provided to at least one of the control devices for controlling the processing system. In one embodiment, the modeling module can generate the linear model from a non-linear process.
    • 一种过程控制的方法和系统。 控制系统可以可操作地耦合到处理系统。 控制系统可以包括可操作地耦合到处理系统的控制装置; 至少部分地基于处理系统提供线性模型的建模模块; 提供与控制装置相关联的控制器算法的计算模块; 用户界面模块,用于至少部分地基于所述线性模型和所述控制器算法在用户界面处呈现控制器信息; 以及用于建立建模模块,计算模块和用户界面模块之间的通信的单独的协调模块。 可以向至少一个控制装置提供一个或多个控制信号,以控制处理系统。 在一个实施例中,建模模块可以从非线性过程生成线性模型。
    • 7. 发明授权
    • Method and system for process control
    • 过程控制的方法和系统
    • US07970482B2
    • 2011-06-28
    • US11836289
    • 2007-08-09
    • Ranganathan SrinivasanJ. Ward MacArthur
    • Ranganathan SrinivasanJ. Ward MacArthur
    • G05B13/02G06G7/48G06F17/10
    • G05B13/04
    • A method and system for process control using a model predictive controller. The control system can have one or more control devices operably coupled to a processing system for controlling a process of the processing system; a modeling tool to provide a non-linear model based at least in part on the process and to provide a plurality of linearized models based at least in part on the non-linear model, where the plurality of linearized models are linearized at different linearization rates; and a controller operably coupled to the modeling tool. The controller can select one of the plurality of linearized models based on a comparison of the plurality of linearized models with a reference model. The controller can send one or more control signals to at least one of the one or more control devices. The one or more control signals can be determined using the selected one of the plurality of linearized models.
    • 一种使用模型预测控制器进行过程控制的方法和系统。 控制系统可以具有可操作地耦合到处理系统的一个或多个控制装置,用于控制处理系统的处理; 至少部分地基于该过程提供非线性模型的建模工具,并且至少部分地基于非线性模型提供多个线性化模型,其中多个线性化模型以不同的线性化速率线性化 ; 以及可操作地耦合到建模工具的控制器。 控制器可以基于多个线性化模型与参考模型的比较来选择多个线性化模型中的一个。 控制器可以向一个或多个控制装置中的至少一个发送一个或多个控制信号。 可以使用多个线性化模型中的所选择的一个来确定一个或多个控制信号。
    • 8. 发明申请
    • METHOD AND SYSTEM FOR PROCESS CONTROL
    • 用于过程控制的方法和系统
    • US20090043546A1
    • 2009-02-12
    • US11836289
    • 2007-08-09
    • Ranganathan SrinivasanJ. Ward MacArthur
    • Ranganathan SrinivasanJ. Ward MacArthur
    • G06F7/60
    • G05B13/04
    • A method and system for process control using a model predictive controller. The control system can have one or more control devices operably coupled to a processing system for controlling a process of the processing system; a modeling tool to provide a non-linear model based at least in part on the process and to provide a plurality of linearized models based at least in part on the non-linear model, where the plurality of linearized models are linearized at different linearization rates; and a controller operably coupled to the modeling tool. The controller can select one of the plurality of linearized models based on a comparison of the plurality of linearized models with a reference model. The controller can send one or more control signals to at least one of the one or more control devices. The one or more control signals can be determined using the selected one of the plurality of linearized models.
    • 一种使用模型预测控制器进行过程控制的方法和系统。 控制系统可以具有可操作地耦合到处理系统的一个或多个控制装置,用于控制处理系统的处理; 至少部分地基于该过程提供非线性模型的建模工具,并且至少部分地基于非线性模型提供多个线性化模型,其中多个线性化模型以不同的线性化速率线性化 ; 以及可操作地耦合到建模工具的控制器。 控制器可以基于多个线性化模型与参考模型的比较来选择多个线性化模型中的一个。 控制器可以向一个或多个控制装置中的至少一个发送一个或多个控制信号。 可以使用多个线性化模型中的所选择的一个来确定一个或多个控制信号。
    • 9. 发明授权
    • Apparatus and method for stiction compensation in a process control system
    • 过程控制系统中静态补偿的装置和方法
    • US07797082B2
    • 2010-09-14
    • US11542463
    • 2006-10-03
    • Ranganathan SrinivasanRaghunathan Rengaswamy
    • Ranganathan SrinivasanRaghunathan Rengaswamy
    • G05D3/12G05D7/00G05B13/02
    • G05D7/005
    • An apparatus, method, and computer program for stiction compensation in a process control system are provided. A determination is made as to whether a valve is suffering from stiction. A control signal provided to the valve is adjusted in order to at least partially compensate for the stiction suffered by the valve. Adjusting the control signal could include (i) adjusting the control signal to cause the valve to move into a steady-state position and (ii) adjusting the control signal to cause the valve to remain in the steady-state position. Adjusting the control signal to cause the valve to move into the steady-state position could include (a) adjusting the control signal to cause the valve to move from a current position into a new position and (b) adjusting the control signal to cause the valve to move from the new position into the steady-state position.
    • 提供了一种用于过程控制系统中的静态补偿的装置,方法和计算机程序。 确定阀门是否患有静息。 调整提供给阀的控制信号,以便至少部分地补偿阀遭受的粘滞。 调整控制信号可以包括(i)调节控制信号以使阀门进入稳态位置,和(ii)调节控制信号使阀门保持在稳态位置。 调节控制信号使阀门进入稳态位置可能包括(a)调节控制信号使阀门从当前位置移动到新位置,(b)调节控制信号,使 阀从新位置移动到稳态位置。