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JP5128949B2 |
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JP5125875B2 |
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JP5117663B2 |
A process control system includes economic models disposed in communication with process control modules, as well as with sources of economic data, such as cost, throughput and profit data, and uses the economic models to determine usefu...
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JP5117811B2 |
The system has several simulation blocks with a simulation unit that simulates operation process plant using process model to produces a simulated output for a process variable indicating fluid flow, temperature or pressure, associated w...
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JP5115185B2 |
To detect the abnormality of a plant based on an estimated value to be obtained by simulation following up the operation of the plant with high precision. The plant operation support system using a plant simulator for performing simulati...
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JP5076785B2 |
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JP5077831B2 |
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JP5044370B2 |
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JP5027170B2 |
A method and apparatus for controlling a physical system (10) responsive to an input to produce a selected output comprises defining a virtual identity system that includes the physical system for receiving the input to provide an actual...
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JP2012164341A |
To provide an advanced control block that implements multiple-input/multiple-output control such as model predictive control.Formation of an advanced control block 56 is initiated by creating an initial function control block having gene...
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JP2012164342A |
To provide a method of determining a tuning parameter for a process controller in a process control system.The response of a process control loop is simulated, and overshoot, vibration, and a reply time or the like are displayed (step 12...
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JP5015416B2 |
The model based system for a process uses a PID feedback regulator [12]and a separate feed forward regulator [14].Inputs to the regulators are provided by a model evaluator [30] coupled to a monitor [34] and a status parameter interpolat...
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JP5000506B2 |
The invention relates generally to a process for producing a hydrophilic polymer, a prediction process, hygiene articles, and other chemical products, which comprise a hydrophilic polymer produced according to the process according to th...
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JP4997139B2 |
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JP4997140B2 |
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JP4992909B2 |
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JP2012146061A |
To provide a data extraction device and a data extraction method that can facilitate extraction of actual measurement data suitable for fine tuning of a simulation model without burdening an operator.In a data extraction device 10 for ac...
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JP4965634B2 |
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JP4944869B2 |
A schematic generator for use in a process control network, in which control functions are implemented by field devices interconnected at various and distributed locations on a bus, polls each of the field devices to retrieve information...
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JP4945741B2 |
When chemical process conditions and chemical species are input on a spreadsheet software ( 1 ), a chemical model is selected according to the chemical species by a software ( 4, 5, 6 ) different from the spreadsheet software ( 1 ), ther...
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JP2012093818A |
To provide a heat treatment control unit and a heat treatment control method capable of attaining high heating efficiency and at the same time attaining the uniform temperature distribution of an object to be heated.An off-line PC 10, by...
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JP4919588B2 |
A version control system helps to keep track of versions of process plant items that may represent, or be capable of representing, entities in a process plant. The process plant items may comprise, for example, module objects which may b...
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JP4918207B2 |
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 g...
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JP4910865B2 |
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JP4907403B2 |
A method and apparatus for developing microcomputer-based systems. A controller model having at least one parameter is simulated and, similarly, a plant model having at least one parameter and controlled by the controller model is simula...
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JP4901058B2 |
A multiple region convolver includes tapering between successive models of a physical system. The tapering is performed during a transition period.
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JP4889929B2 |
A configuration system uses process plant items that may represent, or be capable of representing, entities in a process plant to assist in configuring, organizing, and changing the control and display activities within the process plant...
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JP4876057B2 |
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JP4855969B2 |
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JP4850857B2 |
An improved empirical model-based surveillance or control system for monitoring or controlling a process or machine provides adaptation of the empirical model in response to new operational states that are deemed normal or non-exceptiona...
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JP4846885B2 |
A simulator for a distributed process control system utilizes a simulator station as an interface between a plant modeling computer and an instrumentation and control system which uses actual distributed processing units (DPUs) running a...
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JP4846209B2 |
In a numerical control with a machine-tool simulator, a special device is provided for the exchange of information between the numerical control or an allocated PLC and the machine-tool simulator. This device includes a jointly utilized ...
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JP2011248461A |
To realize highly accurate demand prediction that considers environmental conditions and responds to variations in environmental conditions.A demand prediction device for a plant control system includes a current value comparison unit A2...
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JP2011233002A |
To provide a disturbance observer, a feedback compensator, a positioning device, exposure device and a method for designing the disturbance observer which can stabilize a resonance phase using a phase lead compensator and a phase lag com...
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JP4805571B2 |
A method and system may be provided to perform a process for controlling a target system. In one aspect of the invention, the process may include determining a design space (D 8 ) including a first set of control data values associated w...
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JP4789277B2 |
A plant operation support system of the present invention is characterized by the following: The present invention relates to a plant operation support system which performs process simulations in parallel with operations of an actual pl...
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JP2011197714A |
To provide a process control system capable of automatically generating control logic confirming with control know-how and checking how the control logic works.A process controller 21 for controlling processes of a plant 10 is provided w...
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JP4774021B2 |
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JP4774020B2 |
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JP4748635B2 |
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JP4748988B2 |
The temperature (T) of a metal ( 1 ) can be influenced directly or indirectly by at least one actuator ( 2 ) which is actuated in accordance with a control variable (S). The control variable (S) and starting values (TA, p 1 A, p 2 A) for...
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JP4743944B2 |
This invention systematically creates models that simulate operations from a component of a single function to a machine that combines many components and also to a system that combines a plurality of machines, which can be expressed by ...
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JP4741172B2 |
An improved empirical model-based surveillance or control system for monitoring or controlling a process or machine provides adaptation of the empirical model in response to new operational states that are deemed normal or non-exceptiona...
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JP4733695B2 |
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JP4722461B2 |
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 (...
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JP4713488B2 |
A hot melt adhesive system includes a melting unit configured to liquefy a bulk form of hot melt adhesive and deliver the liquefied hot melt adhesive to an application location. The melting unit includes a controller for establishing and...
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JP4698656B2 |
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JP4698578B2 |
Systematic methods to detect, verify, and repair a collinear model are presented. After detecting collinearity in a model or subsets of a model, a directional test is carried out to verify if the collinearity is real. The model can then ...
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JP4693242B2 |
The invention relates to a method and device for sensor monitoring, whereby said sensors detect individual management variables or measured variables (A, B, C) relating to a process (32). The inventive method and device are suitable for ...
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JP4681082B1 |
An object is to provide an equipment parameter setting support system for supporting the setting of parameters in various processing equipment. The equipment parameter setting support system has an execution results acquisition unit for ...
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