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| Number | Title | Issue Date |
| 8417361 | Model predictive control system and method for integrated gasification combined cycle power generation Control system and method for controlling an integrated gasification combined cycle (IGCC) plant are provided. The system may include a controller coupled to a dynamic model of the plant to process a prediction of plant performance and determine a control strategy f... | 04/09/2013 |
| 8244385 | Control device including iterative learning control circuit A control device includes an iterative learning control circuit that includes first and second learning filters to which a synchronization error is input and is configured to feed forward a control input to a first control target based on an output of the first lear... | 08/14/2012 |
| 8200346 | Model predictive controller with tunable integral component to compensate for model mismatch An MPC controller technique integrates feedback control performance better than methods commonly used today in MPC type controllers, resulting in an MPC controller that performs better than traditional MPC techniques in the presence of process model mismatch. In par... | 06/12/2012 |
| 8180464 | Extended active disturbance rejection controller Multiple designs, systems, methods and processes for controlling a system or plant using an extended active disturbance rejection control (ADRC) based controller are presented. The extended ADRC controller accepts sensor information from the plant. The sensor inform... | 05/15/2012 |
| 8155764 | Multivariable model predictive control for coalbed gas production A multivariable model predictive controller (MPC) for controlling a coalbed methane (CBM) production process. The MPC includes input ports for receiving a plurality of measurement signals including measured process parameters from CBM wells in a well field. A contro... | 04/10/2012 |
| 8036763 | Dynamic controller utilizing a hybrid model A system and method for predicting operation of a plant or process receive an input value from the plant or process. An integrity of a non-linear model corresponding to a local input space of the input value may be determined. The non-linear model may include an emp... | 10/11/2011 |
| 8032237 | Correction signal capable of diminishing a future change to an output signal This document describes a correction signal usable to correct an effect of a disturbance signal on a controlled system or apparatus. In one case this document describes ways in which to diminish a future change to an output signal based on determining that a disturb... | 10/04/2011 |
| 8014881 | Lithographic apparatus and device manufacturing method In a lithographic apparatus, a feedforward transfer function of a control system is determined by: a) iteratively learning a feedforward output signal of the control system by iterative learning control for a given setpoint signal; b) determining a relation between ... | 09/06/2011 |
| 7949417 | Model predictive controller solution analysis process The solution from a multivariable predictive controller (MPC) is analyzed and described by providing quantitative input to operators regarding the effect of changing controller limits on the MPC controller solution. This information allows a rapid operator response ... | 05/24/2011 |
| 7930044 | Use of dynamic variance correction in optimization The present invention relates to a steady state optimization method incorporating dynamic variance correction for dynamic variations of both independent variables and dependent variables of a dynamic system. The dynamic variance correction is based on measured varia... | 04/19/2011 |
| 7844352 | Iterative matrix processor based implementation of real-time model predictive control A system for embedding real-time Model Predictive Control (MPC) in a System-on-a-Chip (SoC) devices is provided. In the system, a microprocessor is connected to an auxiliary unit or application-specific matrix coprocessor. The microprocessor can control the operatio... | 11/30/2010 |
| 7826908 | Variable rate feedforward control based on set point rate of change A method of controlling a power generating unit or other process equipment with a slow reaction time includes creating a feedforward control signal to selectively include a fast response rate component or a slow response rate component based on the average rate at w... | 11/02/2010 |
| 7797063 | Method for model gain matrix modification A method is presented for adjusting the steady-state gains of a multivariable predictive control, planning or optimization model with uncertainty. The user selects a desired matrix relative gain criteria for the predictive model or sub-model. This is used to calcula... | 09/14/2010 |
| 7774076 | System and method for validation of transactions A financial institution may flag suspicious transactions that are conducted using an NFC-enabled mobile phone. The account holder establishes a second PIN that is separate from the primary PIN used by the customer to authenticate transactions. When a transaction is ... | 08/10/2010 |
| 7610108 | Method and apparatus for attenuating error in dynamic and steady-state processes for prediction, control, and optimization A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model (20) and an independent dynamic model (22). The static model (20) is a rigorous predictive mo... | 10/27/2009 |
| 7603187 | Adapative control device, image forming apparatus, and recording medium An adaptive control device includes an identifier and a feedforward controller. The identifier estimates an unknown coefficient in a discrete-time transfer function model of a controlled object to identify the discrete-time transfer function model. Estimation is per... | 10/13/2009 |
| 7496414 | Dynamic controller utilizing a hybrid model A system and method for predicting operation of a plant or process receive an input value from the plant or process. An integrity of a non-linear model corresponding to a local input space of the input value may be determined. The non-linear model may include an emp... | 02/24/2009 |
| 7430502 | Using thermal management register to simulate processor performance states Systems, methodologies, media, and other embodiments associated with simulating a processor performance state by controlling a thermal management signal are described. One exemplary system embodiment includes a data structure for storing bit patterns that facilitate... | 09/30/2008 |
| 7418372 | Model predictive control apparatus A model predictive control apparatus includes an initial solution generation section, an abnormality handling section, and an objective function adjustment section. The abnormality handling section performs initial solution generation when it is determined that perf... | 08/26/2008 |
| 7415311 | System and method for adaptive control of uncertain nonlinear processes A computer system for controlling a nonlinear physical process. The computer system comprises a linear controller and a neural network. The linear controller receives a command signal for control of the nonlinear physical process and a measured output signal from th... | 08/19/2008 |
| 7408316 | Multiple motor position control A controller for motor activation providing accurate and repeatable position changes by pressing and releasing a push button switch. Repeatable position changes are made in an advance direction by triggering a digital counter for a predetermined number of cycles of ... | 08/05/2008 |
| 7403832 | Method and system for advanced process control including tool dependent machine constants A controller and a method of controlling a process tool is provided, in which machine constants used for calibrating manipulated variables of the control algorithm are explicitly introduced into the process model, thereby providing an enhanced controller behavior im... | 07/22/2008 |
| 7400933 | SISO model predictive controller A method of predictive control for a single input, single output (SISO) system, including modeling the SISO system with model factors, detecting output from the SISO system, estimating a filtered disturbance from the output, determining a steady state target state f... | 07/15/2008 |
| 7381303 | System and method for controlling a thermo-mechanical wood pulp refiner Thermomechanical pulp is an important process for producing fibrous mass used in papermaking. A two-level control strategy that stabilizes and optimizes the refining process has been developed. The Stabilization layer consists of a multivariable model predicative ra... | 06/03/2008 |
| 7369904 | Integration method for automation components A method for integrating a number of automation components into an industrial controller with a uniform running level model of the runtime system. The basic clock of the running level model is devised from either an internal timer, an internal clock of a communicati... | 05/06/2008 |
| 7363380 | Method for optimizing a link schedule A method for improving a link schedule used in a communications network is disclosed. While the method applies generally to networks that operate on a scheduled communications basis, it is described in the context of a Foundation FIELDBUS. The method includes: sched... | 04/22/2008 |
| 7363094 | Multivariable controller design method for multiple input/outputs systems with multiple input/output constraints A method for dynamically controlling a multiple input, multiple output (MIMO) system having multiple input and output constraints, the method comprising. In an exemplary embodiment, the method includes configuring a MIMO tracking controller to implement closed loop ... | 04/22/2008 |
| 7359830 | Method for automatic on-line calibration of a process model A method is disclosed for collecting and processing raw process data. The method includes processing the raw data through a process model to obtain a prediction of the process quality; processing this prediction through two dynamic transfer functions thus creating t... | 04/15/2008 |
| 7356371 | Adaptive sensor model The invention provides a method of predicting output values of a physical system from a set of measured inputs of the system using an adaptive model. At each time when a prediction is made, the model is re-initialized to an initial, off-line model and is then refine... | 04/08/2008 |
| 7346403 | Pid parameter adjustment device A PID parameter adjustment device includes: a model storage section (1) for storing an equation model to be controlled; a PID controller storage section (2) for storing a control algorithm; a constraint condition storage section (3) for storing ... | 03/18/2008 |
| 7337021 | Robust spacecraft controller and method for designing same A method, apparatus, article of manufacture, and a memory structure for designing a robust controller. The method comprises the steps of determining a plant model G of the system dynamics; bounding system dynamics unmodeled by the plant model G of the system dynamic... | 02/26/2008 |
| 7337022 | Constraint and limit feasibility handling in a process control system optimizer An optimization technique for use in driving a process plant controller, such as a model predictive controller, uses an organized, systematic but computationally simple method of relaxing or redefining manipulated, control and/or auxiliary variable constraints when ... | 02/26/2008 |
| 7330804 | Computer method and apparatus for constraining a non-linear approximator of an empirical process A constrained non-linear approximator for empirical process control is disclosed. The approximator constrains the behavior of the derivative of a subject empirical model without adversely affecting the ability of the model to represent generic non-linear relationshi... | 02/12/2008 |
| 7330012 | High frequency bus system Certain exemplary embodiments can comprise a system comprising an electric drive system for a machine. The system can comprise a rectifier adapted to convert AC power from an alternator to DC power. The system can comprise an inverter adapted to receive DC power fro... | 02/12/2008 |
| 7330767 | Configuration and viewing display for an integrated model predictive control and optimizer function block An interface or display routine is provided for use in viewing and configuring a function block that performs integrated optimization and control within a process control system. The interface routine may enable a user to view or configure variables, values or other... | 02/12/2008 |
| 7330602 | Variable density signal sampling An optimal sampling pattern for variable density sampling of a continuous signal uses a statistical knowledge of the signal to determine an autocorrelation matrix from which a basis set is identified. Sampling is performed at locations determined from an eigenvector... | 02/12/2008 |
| 7323036 | Maximizing regulatory credits in controlling air pollution A controller directs the operation of an air pollution control (APC) system having one or more controllable operating parameters and a defined operating limit representing a regulatory limit on an allowed amount of pollutant to be emitted by the APC system. An inter... | 01/29/2008 |
| 7321211 | Power variation control system for cyclic loads A method and apparatus for managing power demand of a motor in a cyclic load system having a rotational mass is provided. Flat power draw is achieved through continuous manipulation of the motor torque as a function of feedback velocity while using the rotational ma... | 01/22/2008 |
| 7317953 | Adaptive multivariable process controller using model switching and attribute interpolation An adaptive multivariable process control system includes a multivariable process controller, such as a model predictive controller, having a multivariable process model characterized as a set of two or more single-input, single-output (SISO) models and an adaptatio... | 01/08/2008 |
| 7302595 | Method and apparatus for dynamic power management in a processor system A dynamic power management system includes an operating system (OS) that causes a processor to operate in one of multiple run states that have different performance and/or power dissipation levels. The OS selects the run state in response to processor information (e... | 11/27/2007 |
