Patent application number | Description | Published |
20140271185 | DETERMINING LOADS USING VARIOUS SENSOR LOCATIONS - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 09-18-2014 |
20140271186 | Blade Balancing - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 09-18-2014 |
20140271187 | Distributed Control System - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 09-18-2014 |
20140271193 | Load Distribution Estimation - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 09-18-2014 |
Patent application number | Description | Published |
20090285682 | Wind Turbine With Deployable Air Deflectors - An apparatus and system for compensating for various load situations in a turbine includes the use of one or more deployable devices configured to extend an air deflector outwardly from a surface of a rotor blade. The air deflector may subsequently be retracted into the rotor blade once the load falls below a certain threshold. Mechanisms for extending and retracting the air deflector may include pneumatic, hydraulic and/or electromechanical devices. Air deflectors are generally configured to modify the air flow around the rotor blade to increase or decrease power generation, or reduce loads so that the risk of potential damage to components of the wind turbine is minimized. Deflectors may be positioned at various chordwise stations including leading-edge, mid-chord, and trailing-edge locations on the upper and lower surfaces at spanwise positions. Accordingly, a plurality of devices can be actuated to aerodynamically control rotor performance and loads based on wind conditions. | 11-19-2009 |
20120243989 | WIND TURBINE LOAD MITIGATION DEVICE AND PORT CONFIGURATION - An active sensing system for wind turbines is described. The sensing system may include a plurality of ports, a local sensing device and a load mitigation device and may be operably coupled to a control system. The plurality of ports, local sensing device, and load mitigation device may be operably coupled and configured to monitor air pressure on wind turbine blades, determine if proper sensing operation is occurring, and eradicate an obstruction if proper sensing operation is being prevented by the obstruction. Associated methods performing the sensing and eradication of the obstruction including purging and deicing are disclosed. Wind turbines and wind turbine blades with the active sensing system are also described. | 09-27-2012 |
20120263601 | Wind Turbine With Deployable Air Deflectors - An apparatus and system for compensating for various load situations in a turbine includes the use of one or more deployable devices configured to extend an air deflector outwardly from a surface of a rotor blade. The air deflector may subsequently be retracted into the rotor blade once the load falls below a certain threshold. Mechanisms for extending and retracting the air deflector may include pneumatic, hydraulic and/or electromechanical devices. Air deflectors are generally configured to modify the air flow around the rotor blade to increase or decrease power generation, or reduce loads so that the risk of potential damage to components of the wind turbine is minimized. Deflectors may be positioned at various chordwise stations including leading-edge, mid-chord, and trailing-edge locations on the upper and lower surfaces at spanwise positions. Accordingly, a plurality of devices can be actuated to aerodynamically control rotor performance and loads based on wind conditions. | 10-18-2012 |
Patent application number | Description | Published |
20090003657 | System and Method for Grouping and Visualizing Data - A method for visualizing data comprises allocating the data to one or more groups. The method further comprises displaying one or more non-overlapping symbols on a map to represent the groups. The method further comprises merging the non-overlapping symbols into a lesser number of non-overlapping symbols when the map is zoomed out. The method also comprises splitting the one or more non-overlapping symbols into a greater number of non-overlapping symbols when the map is zoomed in. | 01-01-2009 |
20090005970 | System and Method for Displaying Geographical Information - A method for displaying geographical information comprises determining one or more geographical locations associated with a map. The method further comprises displaying information to a user regarding the one or more geographic locations, wherein the information displayed is retrieved from one or more databases. The method further comprises updating the information displayed if the user alters the one or more geographical locations on the map. | 01-01-2009 |
20090006323 | System and Method for Analyzing Intelligence Information - According to one embodiment of the disclosure, a method for information analysis comprises receiving a message in a database. The method further comprises identifying at least one of a person, place, or object within the received message. The method comprises obtaining information stored in one or more databases regarding the identified at least one person, place, or object. Finally, the method comprises displaying at least a portion of the information and the message for analysis. | 01-01-2009 |
20100121884 | Applying Formal Concept Analysis To Validate Expanded Concept Types - According to one embodiment, attributes associated with a concept type of a query conceptual graph are received. A potentially conceptually similar term is received from an onomasticon. The potentially conceptually similar term is validated according to the attributes. According to another embodiment, attributes associated with a concept type of a document conceptual graph are received. A potentially conceptually similar term is received from an onomasticon. The potentially conceptually similar term is validated according to the attributes. | 05-13-2010 |
20100161669 | Categorizing Concept Types Of A Conceptual Graph - According to one embodiment, categorizing concept types of a conceptual graph includes receiving the conceptual graph comprising one or more concept types, one or more relationship types, and one or more arcs. Each concept type is categorized according to the relationship types and the arcs. The categorization of the each concept type is recorded. | 06-24-2010 |
20100287179 | Expanding Concept Types In Conceptual Graphs - In one embodiment, searching documents includes generating a query conceptual graph for a search query. The query conceptual graph has graph terms representing concept types. A set of conceptually similar terms is identified for each graph term, and the set is mapped to the concept type represented by the graph term. Documents are searched in accordance with the set of conceptually similar terms. In another embodiment, selecting a document includes determining documents that satisfy a search query expressed as a query conceptual graph. A document conceptual graph that has graph terms representing concept types is generated for each document. A set of conceptually similar terms is identified for each graph term, where the set is mapped to the concept type represented by the graph term. A document is selected if terms of the sets associated with the document match terms associated with the query conceptual graph. | 11-11-2010 |
20110238603 | System and Method for Predicting Events Via Dynamic Ontologies - Disclosed is a system and method for determining the probability of an event occurring. The method involves developing models relating a number of factors and variables. The factors and variables can be unique to a specified field of endeavor, such as military security or epidemiology. The models can be ontological models. A rule set is then utilized to relate certain variables in the models to a specific event. The rule set can be embodied in a computer model, such as a Bayesian-Network. The system permits a user to query a knowledge store or database to acquire referent values for the rule set. Thereafter, the referent values are used to populate the rule set and compute the probability of the event occurring. | 09-29-2011 |
20120278271 | System and Method for Expanding Variables Associated a Computational Model - Disclosed is a system and method for expanding variables within a computational model. The computational model, which can be a Bayesian-network, includes input and output variables that are interrelated via a conditional probability table. Term expansion is accomplished via a lexical database and a logic engine to determine semantic equivalents that are relevant to the computational model. The expanded terms allow the computational model to be related to instance data, which may be in the form of a dynamic ontology. Input variable expansion permits the computational model to be populated with semantically relevant instance data from the ontology, and output variable expansion permits the computational model to be associated with semantically relevant ontology nodes. | 11-01-2012 |