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7620462 Robust digital controller and its designing device  
A robust digital controller is equipped with a high degree of approximation and is able to incorporate a novel two-degree-of-freedom robust digital control system without substantially considering...
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...
7603186 Adaptive response time closed loop control algorithm  
A system and method for controlling a flow of a fluid using an adaptive closed-loop-control algorithm is described. One embodiment includes a method for receiving a set point indicator and/or a...
7551969 State based adaptive feedback feedforward PID controller  
A state based adaptive feedback/feedforward PID controller includes a model set component, communicatively coupled to a process input, having a state variable defining a number of process regions,...
7546170 Easily tuned and robust control algorithm for single or multiple variable systems  
A controller and associated methods. A controller has an input for a controlled variable; a proportional term; an integral term; and a predictive term. The predictive term has an error-predictive...
7542810 System and method for user controllable PID autotuning and associated graphical user interface  
A system and method for user configuration of an autotuning algorithm for a PID controller. User input is received via a Graphical User Interface (GUI) indicating a desired characteristic of a PID...
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...
7496041 High speed auto-tuning loop  
An auto-tuner is adapted to be used in a distributed process control network having a communications network that communicatively couples a process controller, which executes a process control...
7457673 Process for rapidly controlling a process variable without overshoot using a time domain polynomial feedback controller  
A method for controlling a process variable as it approaches a predetermined value (setpoint) so that the setpoint is not exceeded. The method employs a time domain polynomial equation in a...
7451004 On-line adaptive model predictive control in a process control system  
A method of creating and using an adaptive DMC type or other MPC controller includes using a model switching technique to periodically determine a process model, such as a parameterized process...
7418301 Method and apparatus for approximating gains in dynamic and steady-state processes for prediction, control, and optimization  
A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and...
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...
7395125 Method and controller for the adaptive control of at least one component of a technical plant  
The invention relates to a method in which at least one component of a technical plant is controlled by means of a PI controller. The actual value of the regulating parameter is continuously...
7380564 System and method for a mass flow controller  
A system and method for controlling a mass flow controller to have a constant control loop gain under a variety of different types of fluids and operating conditions, and for configuring the mass...
7346402 Technique for an integrated and automated model generation and controller tuning process  
A method, apparatus and computer program product for performing integrated model generation and controller tuning is presented. The method, apparatus, and computer program product acquires data...
7346401 Systems and methods for providing constrained optimization using adaptive regulatory control  
Systems and methods are provided for optimizing the performance and/or allocation of constrained resources in a dynamic computing environment using adaptive regulatory control methods. For example,...
7328075 Method of automatic adjustment of the control parameters of a magnetic suspension system  
In adjustment of the control parameters of a magnetic suspension system, an object of the present invention is to provide a technique for adjusting the control parameters to optimum values...
7321801 Automatic gain adjustment device and automatic gain adjustment method  
An automatic gain adjustment device and method capable of accurately adjusting a gain with a simple structure. In an automatic gain adjustment method of a feedback control system that uses a phase...
7262978 Voltage conversion apparatus, voltage conversion method, and computer-readable recording medium with program recorded thereon to allow computer to execute voltage conversion control  
A control device receives an output voltage of a voltage-up converter from a voltage sensor, and calculates a feedback preliminary voltage control value determined by the difference between a...
7231266 Digital control device and program  
A digital control device for tracking a sine wave according to the present invention has a compensator, a control object and a feedback gain. An input into the compensator is a signal obtained by...
7218974 Industrial process data acquisition and analysis  
A method for optimizing an industrial process data is disclosed. The method includes collecting data from a plurality of sensor elements, wherein each sensor element collects data from a portion of...
7216006 Control system for a plant including a slide mode controller  
A control system for a plant is provided. This control system can control the plant more stably, when the model parameters of the controlled object model which are obtained by modeling the plant,...
7184847 Method and system for controlling a process in a plant  
A method and system are disclosed for controlling a process by establishing a control factor for a proportional-integral-derivative (PID) controller used to control a parameter of a process...
7158840 Tuning control parameters of vibration reduction and motion control systems for fabrication equipment and robotic systems  
A method and apparatus is disclosed for acquiring and processing parameters used to adjust and tune a controller used, for example, to govern and compensate for motion, including vibrations and...
7149590 Kiln control and upset recovery using a model predictive control in series with forward chaining  
A method for controlling a non-linear process includes the steps of first providing a controller that is operable to receive inputs representing measured variables of the process and predicting on...
7133763 Control apparatus for controlling a plant by using a delta-sigma modulation algorithm  
The invention provides a control apparatus comprising a controller for determining a manipulated variable for manipulating a controlled object so that an output of the controlled object converges...
7123973 Partitioned control system and method  
A method for controlling a controlled process in response to an input signal and a disturbance signal includes modeling the controlled process in a process model; controlling the process model by a...
7117046 Cascaded control of an average value of a process parameter to a desired value  
At least one of the multiple process parameters (MPPs) is a controllable process parameter (CTPP) and one is a targeted process parameter (TPP). The process also has a defined target limit (DTV)...
7113835 Control of rolling or moving average values of air pollution control emissions to a desired value  
A controller directs performance of a process having multiple process parameters (MPPs), including a controllable process parameter (CTPP), a targeted process parameter (TPP), a defined target...
7113834 State based adaptive feedback feedforward PID controller  
A state based adaptive PID controller includes a model set component including a plurality of process models, each process model including a plurality of parameters. An error generator generates a...
7092770 Feedback control method and feedback control device  
The response process of disturbance recovery control is divided into a follow-up phase, a convergence phase, and a stable phase. A feedback control device includes a first phase switching unit ( 3...
7068002 Motor control device  
A motor control device comprises: a current limiter 115 for limiting a current-instruction signal Ir for a motor 18 and for turning a limiting signal L from off to on when the...
7065414 Methods and apparatus for operating production facilities  
A method and apparatus for operating a production system that includes a plurality of production facilities is provided. The method includes receiving, in real-time, for each facility, cost data...
7054846 Temporally discrete dynamic fuzzy logic control elements  
A control unit has at least one control element, in particular with at least one integrating and/or differentiating transfer characteristic which is constructed as a temporally discrete dynamic...
7050866 Dynamic controller for controlling a system  
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...
7050864 Control system for a plant using identified model parameters  
A control system for a plant is provided. This control system can control the plant more stably, when the model parameters of the controlled object model which are obtained by modeling the plant,...
7047089 Kiln thermal and combustion control  
A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and...
7039567 System identification method  
Quick real-time identification and estimation of a time-non-varying or time-varying system. A new H ∞ evaluation criterion is determined, a fast algorithm for a modified H ∞ filter based on...
7035695 Method and apparatus for tuning a PID controller  
In tuning a controller for a process in a feedback control system, a method is provided for bringing the system into asymmetric self-excited oscillations for measuring the frequency of the...
7024253 Auto-tuning controller using loop-shaping  
A method and apparatus for automatically adjusting the gains of a feedback controller while the process continues to run and the controller continues to operate and control the process is...
7020537 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece  
A facility for selecting and refining electrical parameters for processing a microelectronic workpiece in a processing chamber is described. The facility initially configures the electrical...
6993397 System and method for implementing real-time applications based on stochastic compute time algorithms  
A method for developing and using real time applications for a dynamic system having a sensing subsystem, actuation subsystem, a control subsystem, and an application subsystem utilizes stochastic...
6970750 Model-free adaptation of a process controller  
An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on...
6968240 Method for controlling process parameters to achieve constant process conditions  
A method for controlling process parameters to achieve constant process conditions, including studying the actual data and reference data independent of time and applying them one on top of the...
6963782 System and method for effecting control tuning of a manufacturing process  
The present invention includes a system and method for fine tuning the control of a manufacturing process. A material adjusting device is in communication with a PID controller and PID control...
6961636 Method and apparatus for dynamically monitoring controller tuning parameters  
A method includes processing a plurality of workpieces in accordance with an operating recipe. Metrology data associated with the processing is collected. A control model including at least one...
6961628 Method and apparatus for tuning compensation parameters  
A method and apparatus for tuning a feedforward compensation parameter in a motion control system is provided. According to one such embodiment, the method includes the acts of determining an...
6961627 Control system  
A control system that constantly and accurately controls a control variable so that it remains within an allowable range is provided. The control system in accordance with the present invention...
6961625 Characteristic control device for control subject  
A characteristic control device which is provided with a basic control module which determines the amount of control used to control the output of a control subject based on predetermined input...
6961624 Two-wire field-mounted process device  
A two-wire field-mounted process device with multiple isolated channels includes a channel that can be an input channel or an output channel. The given input or output channel can couple to...
Matches 1 - 50 out of 277 1 2 3 4 5 6 >