356results about How to "Monitor health" patented technology

A method for monitoring the health of a system comprises performing at each of a plurality of times the steps of:

constructing a condition signature from a plurality of condition indicators including (a) a plurality of vibration measurements acquired from the system or (b) one or more vibration measurements and one or more performance parameter measurements acquired from the system;

predicting a normal signature from a model defining one or more inter-dependencies between said condition indicators, the normal signature corresponding to the condition signature for a healthy system;

comparing the condition signature with the normal signature; and

registering an event if the condition signature differs from the normal signature by more than a predetermined threshold.

The invention relates to a construction and operation method of a container cloud platform system. The construction and operation method comprises the following steps: (1) the system is constructed; (2) access shunting is carried out on a control instruction and a service instruction; (3) a container cluster scheduling module forwards an access request to a specific container, and the specific container carries out service processing on the access request, returns the access request to the container cluster scheduling module, and then returns a processing result to a caller; (4) a host containerization engine module containerizes a host, records and maintains an application operated in the current platform and an application operation example list, supports and processes the control instruction, forwards instruction information, and monitors and feeds back the state of an application operation example; (5) a general controller module processes the control instruction of a container cloud platform; (6) an application health management module monitors the application condition; and (7) a message bus carries out message communication of a cloud platform device. The construction and operation method provided by the invention is used for packaging and operating dependent terms of third party applications with a container as a unit for achieving isolated operation and avoiding mutual interference, and the system resources of the host are used more fully.

The invention provides a grid-side regional distributed photovoltaic operation and maintenance management system and a grid-side regional distributed photovoltaic operation and maintenance management method. The management system and the management method orient to the requirements of provincial and municipal electric power companies for regional distributed photovoltaic grid-connected monitoring and operation management, achieve the regional distributed photovoltaic data acquisition, region monitoring, grid-connected management, billing supervision and safe operation inspection, solve the technical difficulties of data fusion, operational monitoring, data analysis and the like after provincial and municipal large-scale distributed photovoltaic access, improve a distributed photovoltaic integrated management system, enhance distributed photovoltaic integrated management level, operation and maintenance analysis level and operation service level, increase distributed power supply access efficiency, and ensure safe and economical operation of the power grid.

The invention belongs to the field of biomedical engineering and mainly relates to the technical field of physiological parameter monitoring, in particular to a mobile physiological parameter monitoring system. The system comprises a data acquisition end and a data receiving end and is characterized in that the data acquisition end is mounted in portable wrist type equipment and comprises a photoelectric sensor, a physiological signal processing circuit, a temperature sensor, a single chip microcomputer, a liquid crystal display screen and a Bluetooth pass-through module; and the data receiving end is a smartphone which uses an Android operation system and has a Bluetooth function and comprises a database, a GPS (Global Positioning System), a short message help module and physiological parameter analysis software. Compared with the prior art, the mobile physiological parameter monitoring system has the beneficial effects that the system is small and convenient, is convenient for a user to carry and can monitor the health condition of the user in real time; when the health condition of the user is abnormal, an alarm is triggered, and an emergency contact person is notified through sending a message; the system has a GPS positioning function; and the stored historical physiological data provides a reference for the diagnosis of a doctor.

A method, apparatus, article of manufacture, and a memory structure provide the ability to determine an input operating point and an output operating point on a non-linear traveling wave tube amplifier (TWTA). The non-linearity of the TWTA is measured. An input roots mean-square (RMS) value of an input signal used to measure the non-linearity of the TWTA is computed. The RMS value identifies an input operating point of the measured non-linearity of the TWTA. Lastly, an output operating point is obtained.

The invention discloses a gas transmission pipeline leakage detection system and method suitable for multiple state changes. The gas transmission pipeline leakage detection system and method suitable for the multiple state changes comprise a gas transmission pipeline leakage detection system (system for short) suitable for multiple state changes and a gas transmission pipeline leakage detection method (method for short) suitable for the multiple state changes. The system comprises an input module, a gas transmission pipeline transmission mechanism model, a neural network compensation model, a pipeline system signal collection module, a correction output processing module and an error obtaining module; the method aims at building a gas transmission pipeline mathematical model, obtaining a gas transmission pipeline state-space equation, processing flow signals of the gas transmission pipeline state-space equation, building the RBF neural network and verifying a detection model; the gas transmission pipeline flowing mathematical model and the detection method based on knowledge are combined, tail end loads, the pipeline diameter, pipeline bending, the environment temperature, the gas wave velocity, a compression coefficient, the pipeline hydraulic frictional resistance coefficient and the like are researched, and the gas transmission pipeline leakage is monitored; and a pipeline model is trained, and an accurate model suitable for the pipeline condition changes is obtained.

A technique for protecting traffic in a Layer 2 (L2) communication network between a first and a second local nodes (CE1, CE2) interconnected via a redundant dual homed structure, the technique comprises a) distributing the traffic in the dual homed structure in a fault-free state, to form two traffic flows between the CE1 and CE2; b) providing Layer 2 (L2) fault indications for the dual homed structure, in the form of operation and maintenance (OAM) tools, c) in a faulty state of the dual homed structure, forwarding traffic packets at the provider edges of the structure, based only on conventional physical fault indications and L2 fault indications, by locally making forwarding decisions for selecting an active communication line via the redundant dual homed structure.

The invention relates to an internal resistance measuring method of an accumulator, which belongs to a measuring method that the internal resistance of the accumulator is measured by utilizing heavy current direct current discharge method. The specific steps are as follows: (1) a resistance with high power, high precision and low resistance value is selected as the discharge resistance; (2) close of the high power relay is controlled, and the discharge circuit is switched on to cause the accumulator to perform spark on the discharge resistance from earth. The discharge time is controlled within 7 - 12s and the discharge current I and voltage at both terminals of the accumulator V1 are measured at the same time; (3) the discharge circuit is switched off for a 1 -2ms delay time, and the voltage at both terminals of the accumulator V2 are measured for the moment; and (4) the internal resistance of the accumulator is calculated. The method has the advantages of high measurement accuracy, and strong interference-free feature. The accumulator can be measured on line, the health status of the accumulator can be monitored and capacity of the accumulator can be estimated by the method.

The invention discloses a state evaluating method applied to secondary equipment of an intelligent transformer station. The state evaluating method comprises a step 1 of according to an evaluation object, acquiring online real-time detection data from correlative secondary equipment and acquiring historical data and basic data from a database; a step 2 of fusing multiple types of data and performing comprehensive evaluation by using multiple evaluating methods; and a step 3 of according to an evaluated result, guiding a worker to overhaul and replacement of the secondary equipment. The state evaluating method applies online monitoring information to a state evaluating system, integrates the historical data of the secondary equipment into the state evaluation in order to provide guarantee for detection reliability, objectively determines the weights of evaluating factors by using an experts objective weight method in group decision, and fast and effectively monitors the health state of the secondary equipment by the combination of the weighted TOPSIS evaluating method and an improved fuzzy integration SVM state evaluating method so as to facilitate the maintenance of the secondary equipment.

The invention discloses an intelligent delivery pipeline with multiple integrated sensors and a monitoring system for the intelligent delivery pipeline. The intelligent delivery pipeline and the monitoring system comprise a base station, a delivery pipeline and a wireless sensor node, and are characterized in that the base station receives and processes data transmitted by the wireless sensor node, a temperature sensor, a humidity sensor and interfaces of a distributed fiber sensor, a force measuring strain gauge, a pressure sensor, a flow meter and an ultrasonic sensor are integrated on a sensor module, a processor module comprises two functional modules, namely, a micro-processing unit and a wireless communication unit, the wireless sensor node is powered in a wireless timed charged mode, an attached cavity is arranged on the delivery pipeline, and the wireless sensor node is mounted in the attached cavity. The intelligent delivery pipeline and the monitoring system have the advantages that the various sensors are integrated on the sensor module, so that the delivery pipeline can be monitored, and the signal data can be wirelessly transmitted between the sensor node and the base station; electric energy can be supplied to the sensor node by the aid of a wireless charging technology, accordingly, cable arrangement can be omitted, and large quantities of data of the delivery pipeline can be efficiently monitored.

A method and system provide the ability to measure a transmission performance characteristic. A signal is received and demodulated. An ideal signal is generated from the demodulated signal. The received signal is coherently averaged to reduce noise. The performance characteristic is the estimated TWTA nonlinearity from a difference between the coherently averaged ideal signal and received signal.

The invention provides a remote data acquisition and real-time analysis system for a filling production line, and belongs to the technical field of data acquisition systems. The system comprises a filling production line data acquisition end, a cloud server and a remote application end; the filling production line data acquisition end takes an MCU (Micro Control Unit) module as the control center; a working gas pressure monitoring module, a leak detection pool water bath temperature detection module and a raw liquid level height detection module are connected to the MCU module via an analog-to-digital conversion module; a communication module, a working cylinder position monitoring module, a conveying belt motor working condition detection module, a filled liquid flow detection module and a weighing detection module are respectively directly connected to the MCU module; and the cloud server comprises a data storage module and a message transfer module. The filling production process is comprehensively monitored in real time by acquiring data of each working link of the filling production line, and on-line SPC analysis and fault diagnosis are performed, so that the system is beneficial to improving the qualification rate and quality of products and reducing the maintenance cost.

A manufacturing execution system (MES) with virtual-metrology capabilities and a manufacturing system including the MES are provided. The MES is built on a middleware architecture (such as an object request broker architecture), and includes an equipment manager, a virtual metrology system (VMS), a statistical process control (SPC) system, an alarm manager and a scheduler. The manufacturing system includes a first process tool, a second process tool, a metrology tool, the aforementioned MES, a first R2R (Run-to-Run) controller and a second R2R controller.

The invention discloses a campus security management system based on finger vein recognition technology. The campus security management system comprises a master controller, a server and a user side, wherein the server is used for storing information, and the user side is connected with the server. The master controller is connected with the server. The master controller is in control connection with an entrance guard module, a classroom forecasting module and an informing module, wherein the entrance guard module comprises a finger vein recognition module, the classroom forecasting module has the function of judging the school stage or the after-school stage of students, and the informing module can automatically remind and inform parents of the students. The campus security management system has the higher security, reliability and operability, and the campus security management level is improved.

The invention relates to a method and a system for arranging big data ETL tasks. The method comprises the following steps: 1) carrying out data processing component configuration and data flow direction configuration on an ETL task arranged by a user; 2) according to the data processing component and the data flow direction, generating a model description language for the ETL task arranged by theuser; 3) analyzing the model description language into a directed acyclic graph of the ETL task,wherein nodes in the directed acyclic graph are data processing components, and edges in the directed acyclic graph are data flow directions; and 4) according to the directed acyclic graph of the ETL task, executing the task through an execution engine. In the ETL task execution process, the ETL task execution condition can be monitored, and logs can be analyzed. The system comprises a visualization engine, a Rest API interface, an execution engine, a monitoring module and a log module. According to the method, the big data ETL process can be configured visually, the running state of the ETL is monitored, rich data processing components are provided, and the components are extensible.

A system for positioning power distribution network terminal failures comprises a primary transformer, secondary transformers subordinate to the primary transformer, a data acquisition unit, a data processing unit, a central information processing unit and a wireless communication unit. A method for positioning the power distribution network terminal failures includes the specific steps: 1) acquiring voltage and current values of the primary transformer; 2) judging whether fluctuations of the acquired voltage and current values exceed preset threshold values or not; 3) sending alarm information of the primary transformer to a monitoring center computer, wherein the alarm information comprises a physical address of the primary transformer; and 4) positioning failure positions of the secondary transformers subordinate to the primary transformer and branches, and sending the failure positions to the monitoring center computer. Operation states of power distribution network terminals can be monitored timely and effectively and sent to a monitoring center in real time, and thereby the system and the method can be widely applied to increasingly complex power distribution networks to shorten failure time and reduce economic losses caused by the failures.

The invention discloses a Docker Container monitoring method. The method comprises the following steps of obtaining id information of all Containers in a current host; according to the id informationof the Containers, obtaining Namespace states of the Containers, namely, obtaining Namespaces of all the Containers in the current host and exported by a kernel; according to the id information and Namespace information of the Containers, obtaining mirror information, container life cycles and container performance data; and presenting the container data, and deploying a monitoring script. According to the method, the host which already creates a Docker Container environment can be monitored; the profile data, the performance data and the mirror data of the Containers are collected; and good monitoring and display of Docker Container application are realized.

The invention discloses a piezoelectric strain sensor, a method for testing the strain sensitivity of the piezoelectric strain sensor and the application of the piezoelectric strain sensor. The sensor comprises a piezoelectric ceramic piece, a silica gel layer and a packaging layer, wherein the silica gel layer makes the sensor stressed evenly and good in sensitivity, and the packaging layer makes the sensor good in insulating property and resistant to interference of the external environment. According to the method, strain sensitivity testing is carried out through a constant-strength beam device, the strain sensitivity (mV/mu epsilon) of the sensor under the condition of different low vibration frequencies of a bridge can be tested, and the strain of a bridge structure can be indirectly reflected according to the strain sensitivity under different vibration frequencies and the voltage output of the sensor; in this way, the piezoelectric strain sensor can replace a strain gage to measure the strain of structures like the bridge under low frequencies, various shortcomings caused by using the strain gage are overcome, and the sensor has broad application prospects in bridge monitoring.

The invention discloses a touch screen air-conditioning gateway system. The touch screen air-conditioning gateway system comprises a touch screen gateway, terminal equipment, an air-conditioning system, an air energy water heater, a smart home system, a camera and a management server, wherein the terminal equipment, the air-conditioning system, the air energy water heater, the smart home system, the camera and the management server are respectively connected with the touch screen gateway; the number of air conditioners in the air-conditioning system can be increased to 64; the terminal equipment is equipped with an air-conditioning control system; the touch screen gateway is accessed through a network so as to monitor the air-conditioning system and the quality of ambient air; and the terminal equipment is connected with the network of the touch screen gateway in a plurality of modes. The touch screen air-conditioning gateway system monitors the running state of the air conditioners anytime and anywhere through the touch screen gateway system, simultaneously analyzes the air quality through sampling, automatically regulates the air quality, provides great convenience for users, improves the environment and satisfies the requirements of the users.