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55 results about "System health monitoring" patented technology
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System health monitoring. System health monitoring detects errors in the monitored components, so that you can take corrective action to avoid a failure. The following components are monitored on a Citrix NetScaler SDX appliance: In the Monitoring tab, click System Health. A summary of all the components is displayed.
Cable system health monitoring method based on strain monitoring cable structure
InactiveCN101334275AMonitor and evaluate health statusReduce distortionStructural/machines measurementComplex mathematical operationsReference modelMulti objective optimization algorithm
The invention discloses a health monitoring system of a cable system in a cable structure on the basis of strain monitoring; a plurality of times of mechanical calculation is carried out on the basis of the reference model of the mechanical calculation of a structure, the times of the calculation is equal to the number of cables. Supposing that only one cable has unit damage during each calculation, the calculation result of each time constitutes a current strain calculation vector; a strain change vector is obtained by that each current strain calculation vector minus an initial strain vector; all the strain change vectors constitute a unit damage strain change matrix. According to the similar linear relation between the current strain vector (constituted by the current measured strain of all the given points) and the initial strain vector, the unit damage strain change matrix, an unit damage scalar and a current cable damage vector (constituted by current damage amount of all cables), the noninferior solution of the current cable damage vector can be figured out fast by utilizing the suitable algorithms of multi-objective optimization algorithm, etc., therefore, the position and the degree of damage of the damaged cable can be determined accurately.
Owner:SOUTHEAST UNIV
System and method for outlier detection via estimating clusters
ActiveUS9336484B1Suitable weightAvoiding complexity and expenseDigital computer detailsRelational databasesAnomaly detectionOutlier
An efficient method and system for real-time or offline analysis of multivariate sensor data for use in anomaly detection, fault detection, and system health monitoring is provided. Models automatically derived from training data, typically nominal system data acquired from sensors in normally operating conditions or from detailed simulations, are used to identify unusual, out of family data samples (outliers) that indicate possible system failure or degradation. Outliers are determined through analyzing a degree of deviation of current system behavior from the models formed from the nominal system data. The deviation of current system behavior is presented as an easy to interpret numerical score along with a measure of the relative contribution of each system parameter to any off-nominal deviation. The techniques described herein may also be used to “clean” the training data.
Owner:NASA
Cable system health monitoring method in cable structure based on mixed monitor
ActiveCN101387600AMonitor and evaluate health statusReduce distortionStructural/machines measurementUsing mechanical meansReference modelLinear relationship
The invention relates to a health monitoring method for the cable system of cable structure, based on hybrid monitor, comprising that: based on the mechanical calculation reference model of the structure, the method processes a plurality of mechanical calculations while the calculation number equals to the cable number, wherein each calculation assumes that only one cable has units damaged and each calculation attains a calculation present digit vector of the monitored value (the following texts omits the description of the monitored value); each calculation present digit value is subtracted with an initial digit vector to obtain a digit variable vector; all digit variable vectors form an unit damage monitored value digit variable matrix. By calculating the similar linear relationship among the present digit vector with the initial digit vector, the unit damage monitored value variable matrix, the unit damage scalar and the present cable damage vector (formed by all cable present damage quantity), the non-inferior solution of the present cable damage vector can be calculated by a suitable algorism as multi-object optimization algorism and the like, thereby accurately finding the position of a damaged cable and the damage degrees thereof.
Owner:JIANGSU XINTUO CONSTR GRP +1
System health monitoring
ActiveUS20050049825A1Monitor healthImprove reliabilityTime indicationSynchronous motors for clocksState of healthEngineering
Monitoring the health of a system module can be carried out during state transitioning, for example when starting or stopping a system module. A monitor module can be operationally connected to the system module. The system module can output a status signal for predetermined system status points during state transitioning. The monitor module can start a timer on detecting a first status signal and can reset the timer on detecting a subsequent status signal. The timer can indicate a failed transitioning of the system module in the event that the timer is not reset within a determined period of being reset.
Owner:ORACLE INT CORP
Method for health monitoring with predictive health service in a multiprocessor system
ActiveUS7506215B1Detecting faulty hardware by remote testDigital computer detailsMulti processorData source
An embodiment of the present invention is a method for monitoring various data sources for events indicative of a current or potential system health problem, thereby automating management of system health monitoring, prediction, and notification, and providing the ability to correct said system health issues in the environment of a multiprocessor system.
Owner:UNISYS CORP
Methods and reconfigurable systems to incorporate customized executable code within a condition based health maintenance system without recompiling base code
A system for reconfiguring a node of a complex system health monitoring system without recompiling and relinking executable code is provided. The system includes a software module containing previously compiled instructions to perform one of a plurality of different standardized functions and a computing node comprising a processor and plurality of software objects, the processor configured to execute the previously compiled instructions. The system further includes a configuration file configured to provide static and dynamic data to the software module, the configuration file comprising a dynamic data store (DDS), a static data store (SDS) and a binary code database (BCD). The BCD comprises a library of externally compiled executable algorithms that are callable by the software module. The BCD being configured with database identification and retrieval data structures associated with library of externally compiled executable algorithms.
Owner:HONEYWELL INT INC
System health monitoring
ActiveUS7233877B2Improve reliabilityTime indicationSynchronous motors for clocksState of healthMonitoring system
Owner:ORACLE INT CORP
Capacitance-based system health monitoring system, apparatus and method for layered structure
The present disclosure endeavors to provide an SHM system and method using a conductive material (e.g., CNT) to measure changes in a layered structure. Change in capacitance of a layered structure may be measured over time thereby indicating a change in the structural integrity of the material. The SHM system may be embedded with, or within, the layered structure such that the system is effectively part of the material. Alternatively, it may be external to the layered structure such that the system is a separate device used to measure the capacitance. The SHM system may also localize any changes in a layered structure by using, for example, strips or panels of conductive material on opposite sides of the layered structure being measured. Damage within overlapping portions of the conductive material provides localization capability where varying the size of the strips or panels may be use to vary the sensitivity and resolution of both the locations and size of the defect.
Owner:AURORA FLIGHT SCI CORP
Variable area fan nozzle with drive system health monitoring
A nacelle for a turbofan engine includes a variable area fan nozzle (VAFN) and a proximity sensor that is attached to a nacelle forward portion to sense the presence of the VAFN when stowed. The proximity sensor is not attached to the VAFN, thereby enabling the use of a proximity sensor such as linear variable displacement transformer having a relatively compact operational stroke.
Owner:ROHR INC
Performance parameter based civil aircraft engine starting system health monitoring method
InactiveCN110567722AReduce sudden failurePreventing Super-Economic Repair ConditionsEngine testingOperabilitySystem failure
The invention discloses a performance parameter based civil aircraft engine starting system health monitoring method and relates to the technical field of equipment state monitoring. On the basis of aircraft QAR data, a performance parameter baseline model of important parameters in a civil aircraft engine starting system is established with a data mining technology; then, a covariance matrix of test samples is calculated; finally, the similarity and the mahalanobis distance between the test samples and the baseline model are obtained with a mahalanobis distance technology, the health state ofthe system is represented with the distance, and the purpose of health monitoring is achieved. The method is applied to the civil aircraft engine starting system, the problem of insufficiency of performance evaluation means of the aircraft engine starting system is solved, the performance state of the engine starting system can be accurately evaluated, early warning is timely given at the early stage of failure of the engine starting system, and unplanned accidents are reduced; and besides, performance evaluation data come from existing civil aircraft QAR data and have higher practicability and operability.
Owner:SHANGHAI AIRCRAFT CUSTOMER SERVICE +1
System Health Monitor
Described are computer-based methods and apparatuses, including computer program products, for system health monitoring. Backup set metadata is received, wherein the backup set metadata comprises information about backup data sets that are received by a backup storage system. One or more processes that process the backup set metadata through an emulated processing flow path are executed, wherein the one or more processes are also implemented in the backup storage system. Two or more potential processing states are determined within the emulated processing flow path. A reason code is determined for each backup set metadata entry of the backup set metadata indicative of a reason that the backup set metadata entry is in a processing state of the two or more potential processing states. A problem with the manner in which the backup set metadata is flowing through the emulated processing flow path is identified based on the reason codes.
Owner:HITACHI VANTARA LLC
Hybrid monitoring based cable system health monitoring method applied in supporting seat generalized displacement
InactiveCN102323081AMonitor and evaluate health statusStructural/machines measurementTension measurementReference modelControl engineering
The invention discloses a hybrid monitoring based cable system health method applied in supporting seat generalized displacement. The need of updating a mechanical calculation reference model of a structure is decided by monitoring the supporting seat generalized coordinates of the structure, based on hybrid monitoring, and the mechanical calculation reference model of the structure is updated only when the supporting seat generalized coordinates of the structure vary, so that a new mechanical calculation reference model of the structure included in the supporting seat generalized coordinates of the structure is obtained, and a unit damage monitored quantity variance matrix is obtained by calculating on the basis of the model. A noninferior solution of a current cable damage vector can be calculated quickly with appropriate algorithms such as a multi-target optimization algorithm and the like according to approximate linear relations between a current numeric vector of a monitored quantity and an initial vector of the monitored quantity, the unit damage monitored quantity variance matrix, a unit damage scalar quantity and a cable system current damage vector to be resolved, so that the position and damage degree of the damaged cable can be determined accurately relatively when supporting seat generalized displacement occurs.
Owner:SOUTHEAST UNIV
Space coordinate monitoring based cable system health monitoring method applied in supporting seat generalized displacement
InactiveCN102323080AMonitor and evaluate health statusEffective Health MonitoringStructural/machines measurementReference modelControl engineering
The invention discloses a space coordinate monitoring based cable system health monitoring method applied in supporting seat generalized displacement. The need of updating a mechanical calculation reference model of a structure is decided by monitoring the supporting seat generalized coordinates of the structure, based on space coordinate monitoring, and the mechanical calculation reference model of the structure is updated only when the supporting seat generalized coordinates of the structure vary, so that a new mechanical calculation reference model of the structure included in the supporting seat generalized coordinates of the structure is obtained, and a unit damage monitored quantity variance matrix is obtained by calculating on the basis of the model. A noninferior solution of a current cable damage vector can be calculated quickly with appropriate algorithms such as a multi-target optimization algorithm and the like according to approximate linear relations between a current numeric vector of a monitored quantity and an initial vector of the monitored quantity, the unit damage monitored quantity variance matrix, a unit damage scalar quantity and a cable system current damage vector to be resolved, so that the position and damage degree of the damaged cable can be determined accurately relatively when supporting seat generalized displacement occurs.
Owner:SOUTHEAST UNIV
Network system health monitoring using cantor set signals
InactiveUS7283480B1Error preventionFrequency-division multiplex detailsState of healthNetworked system
Non-invasive systems and methods monitor network system health by monitoring signals inherently on the network. These signals are deciphered and characterized using Cantor set theory such that a signature of the network is determined. Variations in the characteristics of the reflected signals indicate a network event, such as changes in network topology often due to device degradation, system failure, or physical intrusion. The source of the reflected signals can be characterized and the location on the network identified.
Owner:LOCKHEED MARTIN CORP
System and method for fuel system health monitoring
InactiveUS20120325348A1Machine part testingTurbine/propulsion fuel supply systemsSystem health monitoringEngineering
A method of monitoring operation of a fuel system includes urging a fuel flow from a fuel source toward a pressure regulating valve via a fuel pump. A pressure of the fuel flow is detected at the pressure regulating valve, and a pump speed required to produce a selected pressure at the pressure regulating valve is detected. The pump speed is compared to a range of acceptable pump speeds, and an operational status of the fuel pump is determined based on a result of the comparison.
Owner:HAMILTON SUNDSTRAND CORP
Fusion of aviation-related data for comprehensive aircraft system health monitoring
PendingUS20190026963A1Aircraft health monitoring devicesRegistering/indicating working of vehiclesAviationSystem health monitoring
Systems and methods to fuse aviation-related data systems for comprehensive aircraft system health monitoring are provided. One example method includes obtaining, by one or more computing devices, fault data indicative of a plurality of fault indications provided by a first plurality of components of an aircraft. The method includes obtaining, by the one or more computing devices, condition indicators describing the respective operational conditions of a second plurality of components of the aircraft. The method includes fusing, by the one or more computing devices, the fault data with the condition indicators to form a comprehensive data set. The method includes identifying, by the one or more computing devices, one or more causes of the plurality of fault conditions based at least in part on the comprehensive data set. One example system includes a data fuser, a cause identifier, and an alert generator.
Owner:TALERIS GLOBAL +1
Methods and reconfigurable systems to incorporate customized executable code within a condition based health maintenance system
Owner:HONEYWELL INT INC
Remote sensing satellite ground station health monitoring system and method
ActiveCN112152698AReduce maintenance workloadReduce complexityNetwork topologiesRadio transmissionState predictionSystem maintenance
The invention provides a remote sensing satellite ground station health monitoring system and method, and the system comprises a data collection and processing unit, a fault diagnosis unit, a full life cycle management unit, a health state monitoring unit, and a health state prediction unit. Acquisition, test, fault and performance analysis of various monitoring data in the remote sensing satellite ground station can be realized so that remote sensing satellite ground station equipment-level, system-level and ground station-level health management can be completed. According to the scheme, a fault diagnosis scheme of the universal remote sensing satellite ground station can be formed, equipment fault full-life-cycle management and system health monitoring and prediction capacity are achieved, it is guaranteed that the system is in a good state, and then the purposes of reducing the maintenance workload and complexity of the remote sensing satellite ground station system and improving the operation efficiency are achieved.
Owner:AEROSPACE INFORMATION RES INST CAS
Spacecraft test power supply and distribution system health monitoring and processing method
ActiveCN109873414ACalculate power consumption in real timeHarm reductionBatteries circuit arrangementsEmergency protective arrangement detailsEarly warning systemTest power
The invention discloses a spacecraft test power supply and distribution system health monitoring and processing method, and relates to the technical field of spacecraft test health monitoring; the method comprises the following steps of step 1, performing power supply under voltage early warning processing before power on of single unit equipment; step 2, performing under voltage fault alarm and automatic emergency treatment on a bus; step 3, carrying out over-charge pre-warning, fault alarming and automatic emergency treatment on a storage battery; step 4, carrying out over-discharge early warning, fault alarming and automatic emergency treatment on the storage battery; and step 5, carrying out PCU temperature fault alarm and automatic emergency treatment. By adoption of the method, problems of lack of power supply early warning before power-on of the load, weak automatic emergency treatment function and low monitoring coverage in spacecraft testing are solved.
Owner:BEIJING INST OF SPACECRAFT SYST ENG
AADL-based IMA system health monitoring test method
ActiveCN112115022AHealth monitoring is accurate and reliableHardware monitoringSoftware testing/debuggingSystem health monitoringTest requirements
The invention discloses an AADL-based IMA system health monitoring test method, and aims to provide corresponding test requirements for a health monitoring function in IMA fault management, use AADL to model IMA system fault management, provide fault management information for an IMA system test environment, analyze IMA fault management test cases, achieve fault triggering by modifying program codes and configuration, and therefore the health monitoring function is verified.
Owner:BEIHANG UNIV
Angle monitoring based cable system health monitoring method applied in supporting seat generalized displacement
InactiveCN102323079AMonitor and evaluate health statusEffective Health MonitoringStructural/machines measurementTension measurementReference modelControl engineering
The invention discloses an angle monitoring based cable system health monitoring method applied in supporting seat generalized displacement. The need of updating a mechanical calculation reference model of a structure is decided by monitoring the supporting seat generalized coordinates of the structure, based on angle monitoring, and the mechanical calculation reference model of the structure is updated only when the supporting seat generalized coordinates of the structure vary, so that a new mechanical calculation reference model of the structure included in the supporting seat generalized coordinates of the structure is obtained, and a unit damage monitored quantity variance matrix is obtained by calculating on the basis of the model. A noninferior solution of a current cable damage vector can be calculated quickly with appropriate algorithms such as a multi-target optimization algorithm and the like according to approximate linear relations between a current numeric vector of a monitored quantity and an initial vector of the monitored quantity, the unit damage monitored quantity variance matrix, a unit damage scalar quantity and a cable system current damage vector to be resolved, so that the position and damage degree of the damaged cable can be determined accurately relatively when supporting seat generalized displacement occurs.
Owner:JIANGSU PENGFEI GROUP +1
System health monitor
Owner:HITACHI VANTARA LLC
Partition operating system-based module support layer fault processing method for health monitoring
The invention belongs to the professional technical field of computer system software, and relates to a partition operating system-based module support layer troubleshooting method for health monitoring. The method mainly comprises the following steps: 1, setting up a module support layer; 2, initializing the module support layer; 3, injecting a fault; 4, judging whether the initialization of operation system health monitoring is finished or not; 5, constructing an organization structure of fault information; 6, recording the fault; 7, processing the fault. By using the method, fault processing, fault logs and user-defined processing in the module support layer can be realized.
Owner:XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
Linear motion system health monitoring method based on spatial domain information
ActiveCN110927485AFully reflect the state of healthRealize full-stroke monitoringElectrical testingTime domainLinear motion
The invention discloses a linear motion system health monitoring method based on spatial domain information, and belongs to the field of electromechanical system health state monitoring. The method comprises the steps: measuring a spatial position signal of a linear motion system, and an electric signal for dragging an AC motor of the linear motion system; converting the electric signal based on the time domain into a space domain; calculating a local characteristic index of the local travel interval and a global characteristic index of the whole motion travel; judging whether the local feature indexes and the global feature indexes exceed corresponding set thresholds or not; if any index exceeds a set threshold value, determining that the linear motion system is in an abnormal state at the corresponding spatial position; and if not, determining that the motion travels of the linear motion system are all in a healthy state. According to the method, the measurement information based onthe time domain is converted into the space domain, the health state of the linear motion system on the whole motion stroke can be comprehensively and accurately reflected, the position where the abnormal state occurs is indicated, and the method has great application value for linear motion system full-stroke monitoring.
Owner:HUAZHONG UNIV OF SCI & TECH
System and method for fuel system health monitoring
InactiveUS8578763B2Machine part testingTurbine/propulsion fuel supply systemsSystem health monitoringEngineering
Owner:HAMILTON SUNDSTRAND CORP
Method to enhance micro-c4 reliability by reducing the impact of hot spot pulsing
InactiveUS20080282114A1Simple methodDigital data processing detailsDigital computer detailsSystem health monitoringEngineering
A system for reducing an impact of hot spot, pulsing of a semiconductor device including: first generating means for generating a plurality of local op-codes; a sequencer for augmenting customer op-codes with the plurality of local op-codes; selecting means for selecting one or more of the randomly arriving customer op-codes awaiting execution; monitoring means for tracking which of the one or more randomly arriving customer op-codes have been selected; separating means for separating the plurality of local op-codes from the one or more customer op-codes; storing means for storing one or more data related to the processing of the plurality of local op-codes and the customer op-codes; and second generating means for generating an output for a customer corresponding to that customer op-code while gainfully employing an output generated by local op-codes for system health monitoring purpose.
Owner:IBM CORP
Building health monitoring evaluation system based on BDS/GPS
InactiveCN104237909AImprove usabilityImprove reliabilitySatellite radio beaconingTransmissionData centerEngineering
The invention discloses a building health monitoring evaluation system based on BDS / GPS. The building health monitoring evaluation system comprises a BDS monitoring point, a BDS base station, a GPS monitoring point, a GPS base station, a BDS / GPS joint resolving position, the Ethernet, a cloud architecture data center, a decision-making scientific research center, a warning, forecasting and emergency command center and an application terminal. The BDS base station transmits data of the BDS monitoring point to the BDS / GPS joint resolving position, the GPS base station transmits data of the GPS monitoring point to the BDS / GPS joint resolving position, the BDS / GPS joint resolving position transmits the data to the cloud architecture data center, the warning, forecasting and emergency command center and the application terminal through the Ethernet, and the cloud architecture data center transmits the data to the decision-making scientific research center. Compared with single system health monitoring, multi-system combined health monitoring has more advantages in continuity, usability, reliability, accuracy, efficiency and other aspects.
Owner:ANHUI ENMITE MICROELECTRONICS
Multifunctional electronic tag system based on NB-Iot (5G)
InactiveCN112437420AAchieving the goal of remote monitoringRealize automatic configurationCo-operative working arrangementsNear-field in RFIDCommunication unitMobile end
The invention provides a multifunctional electronic tag system based on NB-Iot (5G). The multifunctional electronic tag system comprises a front-end tag unit, a communication unit, a system health monitoring unit, a monitoring management platform and a mobile terminal unit, the front-end label unit is used for monitoring the position and posture of an attached target, sending the collected operation data to the monitoring management platform, and adjusting the working parameters according to a feedback instruction of the monitoring management platform. The system health monitoring unit is usedfor carrying out periodic inspection on each module and uploading fault information, and comprises a fault detection module and a record uploading module; the monitoring management platform is used for receiving the operation data and performing visual management on remote target assets; the mobile terminal unit is used for carrying out online monitoring on the target position, the posture changetrend, the health degree and the construction data, automatic configuration of target remote monitoring and system operation can be achieved, the application scene is wider and more flexible, and themanagement efficiency is high.
Owner:福建铂语物联科技有限公司
Steel bridge deck pavement system health monitoring system and method based on acoustic emission technology
PendingCN114324611AAccurate and effective assessmentAccurate and effective early warningMaterial analysis using acoustic emission techniquesReal time analysisAcoustic emission
Owner:JIANGSU SINOROAD ENG TECH RES INST CO LTD
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