Patent application number | Description | Published |
20090040535 | REFLECTIVE CORNER CUBE ARRAY - The present invention relates to vibration detection devices. In one embodiment a corner reflective array is provided. The corner reflective array includes at least one corner cube. Each corner cube includes three mutually perpendicular reflective surfaces that intersect in a corner. | 02-12-2009 |
20090327202 | PREDICTION OF FUNCTIONAL AVAILABILITY OF COMPLEX SYSTEM - A method, system, and computer program product for predicting the functional availability of a complex system is provided. Parameters of the complex system are converted from a plurality of binary values to at least one prognostic vector. At least a portion of a binary input expression is converted into an equivalent fuzzy output expression, the fuzzy output expression operable on the at least one prognostic vector. | 12-31-2009 |
20100023301 | ELECTROMECHANICAL ACTUATOR AND EFFECTOR HEALTH MANAGEMENT SYSTEM AND METHOD - A system and method are provided for supplying electromechanical actuator (EMA) health status information to a control system. A determination is made as to whether the EMA has experienced a fault. If the EMA has experienced a fault, a fault-based position limit and a fault-based rate limit of the EMA are determined, based on the fault. A design position limit and a design rate limit of the EMA are supplied. An updated position limit of the EMA is determined based on at least the design position limit and the fault-based position limit, and an updated rate limit of the EMA is supplied based on at least the design rate limit and the fault-based rate limit. | 01-28-2010 |
20100042366 | DISTRIBUTED DECISION MAKING ARCHITECTURE FOR EMBEDDED PROGNOSTICS - A distributed decision making architecture for embedded prognostics in a platform is provided. An estimation system determines at least one performance characteristic of at least one device in the platform. A supervisory system is in communication with, and superior to, the estimation system. The supervisory system calculates a prediction of remaining useful life (RUL) of the at least one device in the platform. The supervisory system is adapted for collecting the at least one performance characteristic from the estimation system to generate a performance estimate, and implementing at least one data-driven equation to match the at least one performance estimate against of at least one known degradation condition to generate the prediction of remaining useful life of the at least one device. | 02-18-2010 |
20100042872 | RECURSIVE STRUCTURE FOR DIAGNOSTIC MODEL - A recursive mapping structure for diagnostic models is provided. A parent diagnostic model includes a first input module, a first output module, a first monitor module coupled to the first input and first output modules, and a first propagation module coupled between the first input and first output modules. A child diagnostic model includes a second input module, a second output module, a second monitor module coupled to the second input and second output modules, and a second propagation module coupled between the second input and second output modules, wherein the second monitor module is coupled to the first monitor module. | 02-18-2010 |
Patent application number | Description | Published |
20100162027 | HEALTH CAPABILITY DETERMINATION SYSTEM AND METHOD - A system and method are provided for the determining of the potential effect(s) that a degraded system, subsystem, or component may have on the overall capabilities of a vehicle or other system, and any mitigating actions that may need to be taken. Mission-related capabilities of the system are decomposed into a plurality of lower-level capabilities that have an impact on the mission-related capabilities. One or more faults that have an impact on at least one of the lower-level capabilities are mapped to appropriate lower-level capabilities. The lower-level capabilities to which the one or more vehicle faults is mapped are computed, and values of the mission-related capabilities are computed from each of the lower-level capabilities. | 06-24-2010 |
20100332715 | VEHICLE SYSTEM MONITORING AND COMMUNICATIONS ARCHITECTURE - Systems, methods and devices are provided that allow more efficient transfer and processing of sensor information in a hierarchical data system. The system provides for a plurality of component area managers (CAM), each of the CAMS being in operable communication with at least one of a plurality of transducers that monitors a phenomena of a component and in operable communication with a data bus. A CAM comprises a processor in operable communication with the at least one transducer of the plurality of transducers, wherein the first processor is configured to record data generated by the at least one transducer of the plurality of transducers, to reduce the recorded data, to place the reduced data on the data bus. The system also includes a transducer selection module controlled by the first processor by which the first processor selects one of the plurality of transducers to record and a rolling buffer in operable communication with the first processor and in operable communication with the at least one transducer by which to record the data generated by the at least one transducer of the plurality in a first-in-first-out manner. | 12-30-2010 |
20110010130 | HEALTH MANAGEMENT SYSTEMS AND METHODS WITH PREDICTED DIAGNOSTIC INDICATORS - A system for monitoring the health of a component includes a memory configured to store a health management system for evaluating the health of the component. The health management system includes a first prognostic module, a first diagnostic module, a first failure mode module, and a first functional module. A processor is coupled to the memory and configured to retrieve the health management system from the memory; receive a first prognostic indicator associated with the health of the component; determine a first predicted diagnostic indicator based on the prognostic indicator with the prognostic module; determine a first failure mode probability based on the first predicted diagnostic indicator with the diagnostic module; determine a first failure mode vector based on the first failure mode probability with the failure mode module; and generate a first functional output based on the first failure mode vector with the first functional mode module. | 01-13-2011 |
20110029804 | FLEET MISSION MANAGEMENT SYSTEM AND METHOD USING HEALTH CAPABILITY DETERMINATION - A system and method are provided for planning and controlling a plurality of machines. A mission is assigned to each machine of the plurality of machines. A plurality of system capabilities is computed in each machine and, from the plurality of computed system capabilities, a machine mission capability is computed for each machine. The mission of one or more of the machines may be selectively reassigned based on the computed machine mission capability of each machine. | 02-03-2011 |
20110118905 | METHODS SYSTEMS AND APPARATUS FOR ANALYZING COMPLEX SYSTEMS VIA PROGNOSTIC REASONING - Methods and apparatus are provided for analyzing a complex system that includes a number of subsystems. Each subsystem comprises at least one sensor designed to generate sensor data. Sensor data from at least one of the sensors is processed to generate binary evidence of a sensed event, and complex evidence of a sensed event. The complex evidence has more sophisticated mathematical properties than the binary evidence. The complex evidence comprises one or more of: a condition indicator (CI), a health indicator (HI), and a prognostic indicator (PI). A system fault model (SFM) is provided that defines statistical relationships between binary evidence, complex evidence, and an underlying failure mode (FM) that is occurring in the complex system. The binary evidence and the complex evidence are processed to identify failure modes taking place within one or more of the subsystems. Based on the binary evidence and the complex evidence and the SFM, diagnostic conclusions can be generated regarding adverse events that are taking place within the complex system, and prognostic conclusions can be generated regarding adverse events that are predicted to take place within the complex system. | 05-19-2011 |
20110175766 | THREE DIMENSIONAL NONCONTACT MOTION SENSOR - A non-contact motion sensor comprising a radar detector that includes a first antenna, a second antenna that is orthogonal to the first antenna and a third antenna that is orthogonal to the first antenna and the second antenna. The non-contact motion sensor further includes a control that collects and analyzes signals that are received from the radar detector. | 07-21-2011 |