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| Number | Title | Issue Date |
| 6879971 | Automated method for building a model A method for determining an output value having a known relationship to an input value with a predicted value includes the step of first training a predictive model with at least one output for a given set of inputs that exist in a finite dataset. Data is then input... | 04/12/2005 |
| 6775594 | Method for ranking and dispatching electrical generation systems over a computer network A method of dispatching a plurality of electrical generation systems that are controlled by a central monitoring and control system. The central system determines the order in which the distributed generators are deployed based upon several variables, such as mainte... | 08/10/2004 |
| 6757665 | Detection of pump cavitation/blockage and seal failure via current signature analysis A system and method is provided for monitoring the operating condition of a pump by evaluating fault data encoded in the instantaneous current of the motor driving the pump. The data is converted to a frequency spectrum which is analyzed to create a fault signature ... | 06/29/2004 |
| 6567795 | Artificial neural network and fuzzy logic based boiler tube leak detection systems Power industry boiler tube failures are a major cause of utility forced outages in the United States, with approximately 41,000 tube failures occurring every year at a cost of $5 billion a year. Accordingly, early tube leak detection and isolation is high... | 05/20/2003 |
| 6321216 | Method for analysis and display of transient process events using Kohonen map A method for analyzing and displaying process states of a technical plant includes enabling simultaneous, coherent assessment and display of relevant process variables of the plant by evaluating relevant process variables with regard to one another throug... | 11/20/2001 |
| 6314413 | Method for controlling process events using neural network The invention relates to a method for controlling process events of a technical plant. In order to permit a simultaneous and coherent assessment of relevant process variables of the plant, it is proposed to use a neural analysis on the basis of self-organ... | 11/06/2001 |
| 6243696 | Automated method for building a model A method for building a model of a system includes first extracting data from a historical database (310). Once the data is extracted, a dataset is then created, which dataset involves the steps of preprocessing the data. This dataset is then utilized to ... | 06/05/2001 |
| 6108616 | Process diagnosis system and method for the diagnosis of processes and states in an technical process The invention relates to a process diagnosis system and a method for the diagnosis of processes and states in a technical process, in particular for the diagnosis of a power station process. The invention is a structured multi-agent system which correspon... | 08/22/2000 |
| 6102958 | Multiresolutional decision support system A process control system determines optimal trajectories (input controls) using multiresolutional analysis of acquired data. In contrast to conventional control systems, the present control system does not use a predetermined mathematical model or algorit... | 08/15/2000 |
| 6081661 | Command value decision unit A command value decision unit capable of solving a problem of a conventional system in that when using a static fuel consuming characteristic model obtained by the least squares method as a fuel consuming characteristic model, it is sometimes difficult to... | 06/27/2000 |
| 5923558 | Automated integrated input-output control system apparatus The automated integrated input-output control system apparatus. A versatile industrial control apparatus that can be utilized as a modular unit or integrated into industrial machinery or tools to provide an apparatus and method for programmable control of... | 07/13/1999 |
| 5838881 | System and method for mitigation of streaming electrification in power transformers by intelligent cooling system control An intelligent controller for on-line monitoring of circulation system in order to minimize a problem of streaming electrification and to avoid degradation of the electrical insulation of the system. The controller is designed to combine advantages of fuz... | 11/17/1998 |
| 5796922 | Trainable, state-sampled, network controller A trainable, state-sampled, network controller (TSSNC) or state-sampled controller (SSC) requires little information regarding a plant (as with neural networks), but can use what information is available (as in classical controllers), and provides a linea... | 08/18/1998 |
| 5701394 | Information processing apparatus having a neural network and an expert system Disclosed is an information processing system having a neural processing unit, an expert system for executing an inference using a rule, and an information selection unit. The neural processing unit and the expert system being arranged in parallel to each... | 12/23/1997 |
| 5696696 | Apparatus and method for automatically achieving and maintaining congruent control in an industrial boiler A control system for automatically achieving and maintaining a desired sodium/phosphate ratio and phosphate concentration of the boiler water in an industrial boiler for minimizing corrosion. The system uses an adaptive controller that models the boiler w... | 12/09/1997 |
| 5634039 | Method and management system for controlling, monitoring and regulating complex industrial processes in particular, such as in a nuclear power plant A method is provided for controlling, monitoring and regulating processes in industrial plants, especially complex industrial processes, such as plant management in failure mode situations in a nuclear power plant. Robots provided as a computation program... | 05/27/1997 |
| 5625751 | Neural network for contingency ranking dynamic security indices for use under fault conditions in a power distribution system Analysis and evaluation of outage effects on the dynamic security of power systems is made with a neural network using composite contingency severity indices. A preferably small number of indices describes the power system characteristics immediately post... | 04/29/1997 |
| 5576970 | Nitrogen oxide removal control method A plant with a gas turbine such as a combined cycle power plant of a gas turbine cycle and a steam turbine cycle is provided with a nitrogen oxide removal device for removing NOx by injecting ammonia to an exhaust gas of the gas turbine. The de... | 11/19/1996 |
| 5553003 | Distributed control system In a control system equipped with a plurality of subsystems and a supervising subsystem for supervising these subsystems, a subgoal achievement performance is calculated by the subsystem using its own knowledge and its own condition with respect to a subg... | 09/03/1996 |
| 5550751 | Expert system for detecting high impedance faults An expert detection system includes a method and apparatus for detecting high impedance faults occurring on a distribution circuit coupled to an AC power source. Based upon an expert's knowledge of high impedance fault behavior and the performance of vari... | 08/27/1996 |
| 5537327 | Method and apparatus for detecting high-impedance faults in electrical power systems The present invention features a method and apparatus for detecting and enabling the clearance of high impedance faults (HIFs) in an electrical transmission or distribution system. Current in at least one phase in a distribution system is monitored in rea... | 07/16/1996 |
| 5517424 | Steam turbine fuzzy logic cyclic control method and apparatus therefor A method for automated control of a steam turbine during cyclic operation includes the steps of comparing current turbine loading with an anticipated load profile to generate a load error signal. Anticipated electrical load profiles correspond to the time... | 05/14/1996 |
| 5467265 | Plant operation method and plant operation control system A system for determining a cost effective and practical operation method for thermal source equipments includes a fundamental plan data storage unit, a fundamental plan generating unit for determining a fundamental operation plan of each equipment while m... | 11/14/1995 |
| 5448681 | Intelligent controller with neural network and reinforcement learning A plant controller using reinforcement learning for controlling a plant includes action and critic networks with enhanced learning for generating a plant control signal. Learning is enhanced within the action network by using a neural network configured t... | 09/05/1995 |
| 5349541 | Method and apparatus utilizing neural networks to predict a specified signal value within a multi-element system A method and apparatus for predicting a signal value for a target element within a multi-element system is disclosed. The method includes modeling the multi-element system by defining fundamental physical relationships between the target element and other... | 09/20/1994 |
| 5323328 | System for controlling power generating plant having a plurality of units in accordance with distributed computer system A power generating plant control system for collectively operating and controlling a power generating plant having a plurality of generating units with unit controllers provided in correspondence with respective generating units belonging to the generatin... | 06/21/1994 |
| 5278772 | Real-time economic load allocation The method allocates a demanded amount of power to a plurality of power output apparatus, each power output apparatus having a cost curve associated therewith, such that each of the power output apparatus supplies a portion of the demanded power, and the ... | 01/11/1994 |
| 5249260 | Data input system In an expert system of an operating system e.g. an industrial plant it is desired to input data in the form of relationships between operating parameters of the system to a database. However, if such data are input by inexperienced users, there is the pos... | 09/28/1993 |
| 4880993 | Building heat and power system There is disclosed a combined heat and power system for a building having a heat demand comprising a primer mover an electrical generator, adapted to provide building power, the said prime mover being drivingly connected thereto a heat recovery arrangement sai... | 11/14/1989 |
| 4839823 | Automatic trouble analysis apparatus and method thereof In a trouble analysis apparatus, a cause of an accident which is empirically and statistically obtained, and a plurality of effects corresponding to the cause are entered in advance at a keyboard and stored as a data base in a magnetic disk unit. In this ... | 06/13/1989 |
| 4563746 | Method of operating power plants This invention refers to a plant operating method for overcoming an abnormal status of a plant. A plant data is detected from the plant, and all plant state members indicating an abnormality of the plant are identified from the plant data. The plant opera... | 01/07/1986 |
| 4459259 | Digital computer operation of a nuclear reactor A method is described for the safe operation of a complex system such as a nuclear reactor using a digital computer. The computer is supplied with a data base containing a list of the safe state of the reactor and a list of operating instructions for achi... | 07/10/1984 |
