77 results about "Reliability management" patented technology

A computer system implements a process for gathering, synthesizing, and analyzing failure and other data relating to a pump, seal or other equipment. Data indicating the current state of the equipment may be gathered and verified prior to a failure occurring so that accurate information is available. After a failure or problem occurs, data about the system and the problem or failure can be methodically gathered to aid in the determination of the root cause of the failure. The data may be synthesized and an analysis performed to determine the cause or causes of the failure or problem. The system may suggest corrective actions and plans for implementing corrective action. Installation instructions, training and safety information can be provided to the user to ensure proper execution of the selected corrective action. A plant reliability manager also may monitor the progress and verify that installation, maintenance and failure correction are performed correctly. The plant reliability manager also may track problems or failures by each individual or department to determine if additional training is needed.

Senior multi-lines administrative application system, it relates to a senior multi-lines administrative application of the computer, especially directing to the reliability administrative system and the safety of the computer net the scale of which is large and the running situation is complex. It includes the senior lines administrative element which has the name of the line, the parameter of the line, the sequence of the line, the numbering of the line phase and the lines which is used to apply the save memory and found the administrative lines, and registers a timer. It also includes a self adjustable line pool which is founded by the senior line administer, the number of the line is the minimal value of the defined range, and the administrative line also sets the overtime according to every lines in the line pool. This invention applies to the net computer system.

The invention relates to the technical field of nuclear power plant equipment reliability management, and specifically discloses a nuclear power plant system supervision method based on ERDB. The supervision method comprises the steps that 1 the supervision scope of a nuclear power plant system is determined to form a system supervision list; 2 the performance target level of the system supervision list is classified according to the health status of the nuclear power plant system or equipment; 3 a system notebook module is used to automatically generate and query the supervision data of the system; and 4 system supervision is carried out on the nuclear power plant system or equipment. According to the method, system and equipment important for nuclear safety and power generation are identified through system function analysis; through failure mode and effect analysis (FMEA), the degradation mechanism and monitoring parameters of the equipment are identified; the degradation of the equipment is found and predicted in advance through monitoring and trend analysis of the parameters; and corresponding corrective actions are taken in time to improve the reliability of the equipment toensure the safe operation of a power station.

The optical fiber grating sensor comprises: a groove in shell with one side formed a drawing-off port outward, and the optical fiber grating arranged in the groove with ends drawing-off the shell. The corresponding portable electric equipment temperature detection system comprises: a broadband light source connected with in turns an optical isolator, the first outlet of an optical coupler and an optical connector; the second outlet of the couple connected with a microelectronic signal demodulation device and a signal processing system; and the fiber grating sensor in ring cycle network. This invention is fit to real-time detection, improves power supplying reliability and the reliability management.

A system and method is disclosed for facilitating the management of pipeline reliability, maintenance, repair, and/or replacement. Embodiments may be computer-implemented, and may be suitable for prestressed concrete cylinder pipe (e.g., PCCP). Method steps include inspecting the pipe and storing or inputting design and inspection parameters, as well as the maximum expected pressure within the pipe. A relation of pressure versus degradation (e.g., number of broken wires) may be used, which may have zones of risk or classifications corresponding to pipe management actions. The pipe may be analyzed for lack of prestress over various portions of circumference and length. The pipe rupture pressure, crack onset pressure, or can rupture pressure may be analyzed and compared to the expected pressure. The method may be tested and the inspection repeated while tracking changes. The action may involve, for instance, doing nothing, monitoring the pipe, repairing the pipe, or replacing the pipe.

The invention provides a composite-measurement-based reliability research method for a power communication fiber network. The method comprises: effectiveness and fiber attenuation are used as measurement indexes for evaluating reliability of a power communication fiber network; a bandwidth, time delay, a packet loss, and a cost are used as indexes for evaluating a service transmission performance of the power communication fiber network; effectiveness, fiber attenuation, bandwidth, time delay, packet loss, and cost data are collected from operation data of an existing power communication fiber network, a mathematic model of the power communication fiber network is established by using the data, and constraint conditions of the measurement indexes including the effectiveness, fiber attenuation, bandwidth, time delay, packet loss, and cost are set; and composite measurement m optical circuit configuration is carried out on a to-be-evaluated power communication fiber network by using the mathematic model of the power communication fiber network. According to the invention, the method has a certain guidance significance in network optimization and resource allocation of the power communication fiber network as well as improvement of the reliability management level of the power communication network.

The invention relates to a middleware system applied to a rail traffic signal safety system and belongs to the technical field of rail traffic. The middleware system comprises a configurable management module, a bottom layer interface adaption management module, an application development management module and a safety and reliability management module. The configurable management module is configured with an operation system, a drive, a system internal data structure and software and hardware resources; the application development management module is used for providing united APIs (Application Programming Interfaces) for upper-layer application and meanwhile being in charge of information interaction and system initialization; the safety and reliability management module is used for realizing management on system safety and reliability; and the bottom layer interface adaption management module is used for realizing information interaction with other sub-systems in a rail traffic signal system. The middleware system, which can be adapted to different bottom-layer operation systems and applied to various rail traffic safety sub-systems, undertakes a universality task of accessing bottom-layer operation of various application programs and provides universal service for application systems through the simple and convenient public-safety APIs.

The present invention relates to a reliability management-based uncertainty elimination scene perception system and a working method thereof. The system comprises a scene information collection module, a scene information processing module, a knowledge library module, a scene response module, a scene information application module, a scene information retrieval or subscription module, a scene information correction module, and a user feedback module. The scene processing module comprises a multi-algorithm incompleteness elimination unit, an algorithm result inconsistency elimination unit, a credibility management unit, a reliability management unit, an information source inconsistency elimination unit, a scene information fusion deduction unit, and an adaptive management unit. Through adoption of the system and method, more reliable scene information can be obtained, and the accuracy, reliability and self-adaptation of the scene perception system are improved remarkably.

The invention provides a reliability management method used for a small telecom and calculation general hardware platform framework (MicroTCA) system; wherein, the MicroTCA system comprises at least a MicroTCA bearing management controller (MCMC), a main bearing board FRU information equipment and a standby bearing board FRU information equipment; the method comprises the steps as follows: when the main bearing board FRU information equipment is determined not in place or failure occurs, the FRU data of the standby bearing board FRU information equipment is used for configuration disposal. Meanwhile, the invention also discloses a MicroTCA system and a MicroTCA bearing management controller. In the embodiment of the invention, when the failure occurs to the bearing board FRU information equipment, complex main/standby conversion flow is not needed to be started, correct FRU data can be gained only by accessing the standby bearing board FRU information equipment, thus achieving the normal configuration and ,management on the system equipment.

The invention discloses a method for processing operation and maintenance data. The method comprises the following steps: acquiring operation and maintenance data generated by execution of operation and maintenance work through an operation and maintenance server within past historical time; performing statistics to obtain service data of the operation and maintenance server in an operation and maintenance working process according to the operation and maintenance data, wherein the service data include security management data, reliability management data and service response data; quantifying the service data by a uniform standard to obtain monitoring data generated by monitoring of the operation and maintenance work of the operation and maintenance server; and pre-judging a future working condition of the operation and maintenance server according to the monitoring data. Correspondingly, the invention also discloses a device for processing the operation and maintenance data. Through adoption of the method and the device, the working condition of the operation and maintenance server is monitored, and the fault rate of the operation and maintenance server is lowered.

The invention relates to a device for evaluating, analyzing and processing reliability of a transmission system, comprising a PMS (production management system) server, a PMS client-side, an SCADA (supervisory control and data acquisition) server, an evaluation and analysis server of the transmission system and an evaluation and analysis client-side of the transmission system, wherein the PMS server is respectively connected with the SCADA server and the evaluation and analysis server of the transmission system; the PMS server and the evaluation and analysis server of the transmission system are respectively connected with the PMS client-side and the evaluation and analysis client-side of the transmission system; the PMS server comprises a power-grid base information management module, a transmission system base data maintenance module, a production running service module, a transmission system blackout analysis module and a transmission system blackout accident maintenance module; the SCADA server comprises an SCADA module; and the evaluation and analysis server of the transmission system comprises a reliability statistical analysis module of transmission system. The device can improve the reliability management efficiency of the transmission system.

The invention relates to a refresh self-adaptive continuous high-reliability on-orbit FPGA reconstruction system and a refresh self-adaptive continuous high-reliability on-orbit FPGA reconstruction method. The system comprises an SRAM type FPGA unit which is used for receiving a ground control instruction and reconstructing configuration data, a read-only storage unit which is used for storing theoriginal configuration data corresponding to the SRAM type FPGA unit. a programmable storage unit which is used for storing the reconstruction configuration data, a high-reliability management and control unit which is used for automatically selecting a guide source to guide the SRAM type FPGA and refreshing the SRAM type FPGA when the high-reliability management and control unit is powered on, and when a ground control instruction is received, selecting the corresponding configuration data to carry out FPGA guidance, or carrying out FPGA reconstruction according to the reconstruction configuration data obtained from the SRAM type FPGA. According to the system, a reliable hardware architecture is provided for FPGA on-orbit reconstruction, bug repairing and function adding through programupdating are supported, the system problem caused by the fact that the FPGA reconstruction process is successful but bugs exist in updating software is avoided, and the reliability, effectiveness andflexibility of systems such as satellites can be improved.

The invention discloses a method of analyzing structural reliability of an aeroengine turbine disc; a random variable mathematical model is established according to non-uniformity of turbine disc material, and a stress analysis model is established according to stress condition; PDS (probabilistic design system) in ANSYS environment is used to perform Monte Carlo sampling on random variables of a turbine disc three-dimensional model to obtain maximum stress MAXSTRESS distribution of the turbine disc under different conditions; Monte Carlo simulation tests of different levels are performed on the random variables on MATLAB (matrix laboratory) platform, and reliability of the turbine disc is calculated according to structural functions to obtain the structural reliability of the turbine disc under different conditions; sensitivity of the random variables influencing the structural reliability of the turbine disc is calculated according to sensitivity equation. The method has the advantages of high convergence speed, low cost and high precision, and theoretical basis is provided for the optimal design and reliability management for a turbine disc.

The invention discloses an intelligent management system at a power distribution unit area. The system comprises a data acquiring terminal, a communication system and a background master control system, wherein the data acquiring terminal is used for acquiringthe voltage, the current, the residual current and the fault information at the power distribution unit area field; the communication system is used for transmitting the data; and the background master control system is used for monitoring a running condition of the power distribution unit area in real time, and remotely operating the power distribution unit area.The system disclosed by the invention realizes the distribution transformation and power utilization information monitoring of a user, has basic functions of voltage qualified rate statistic and line loss analysis management, and is capable of selectively configuring capacitor automaticswitching, three-phase imbalance adjustment and distribution transformation status monitoring functions; the voltage, the current, the residual current and other basic data of a low-voltage line can be acquired in real time; the acquired unit area running status data is more accurate and reliable, so that a power supply company possesses scientific and accurate valid data in the line loss management, the voltage management, the power supply reliability management and other work.

The invention provides a terminal model for supporting management of reliability in power supply of a terminal user. The terminal model comprises a basic user data maintenance module, an operation event data maintenance module, an index statistical analysis module, an index visualization module and a data communication module, wherein the basic user data maintenance module is used for automatically collecting basic user data of a power system and saving the basic user data to a database; the operation event data maintenance module is used for automatically collecting operation event data of the power system and saving the operation event data to the database; the index statistical analysis module is used for performing statistical analysis on the basic user data collected by the basic user data maintenance module and the operation event data collected by the operation event data maintenance module to form various statistical indexes; the index visualization module is used for performing visualization display on the statistical indexes formed by the index statistical analysis module; the data communication module is used for synchronizing the statistical indexes formed by the index statistical analysis module to a reliability management system. The terminal module can obtain the basic user data and the operation event data which are in line with the requirements by automatic collection, filtration, conversion and curing.

The invention provides a power transmission and transformation system reliability statistics evaluation method based on a circuit and connection points. The power transmission and transformation system reliability statistics evaluation method comprises the following steps: dividing each bus line, each main transformation line and each power transmission line in a power transmission and transformation system to generate a logic circuit; dividing each physical connection point; obtaining the power transmission and transformation facility outage event information of a reliability management system, and calculating a conversion coefficient of the logic circuit according to a loss degree of a logic circuit function due to the outage event; obtaining a power supply reliability outage event of the reliability management system, and recording a connection point outage event and outage loss into a logic circuit outage event and connection point outage influence; obtaining the logic circuit outage event, calculating the power transmission and transformation reliability index of the logic circuit; and obtaining the outage influence of each class of physical connection points, and carrying out accumulative calculation on the comprehensive reliability index of the power transmission and transformation system. The power transmission and transformation system reliability statistics evaluation method adds the evaluation index of a space truss structure toughness degree and the evaluation index of power supply continuity, and therefore, a power transmission and transformation system reliability statistics evaluation result is complete and accurate.

The invention provides an instrument development reliability management and support system, which comprises a user interface module, a reliability tool software module, an instrument service life management module and a foundation database, wherein the user interface module provides a user operation interface; the instrument service life management module analyzes instrument functions and establishes an instruction function module; the instrument service life management module analyzes an instrument object, obtains an instrument structure and a fault tree, establishes an instantiated design model of the instrument, and stores data into the foundation database; the reliability tool software module is utilized to call instrument foundation data, the instrument function module and the instantiated design model of the instrument, carries out reliability design and analysis to the instrument and sends a result to the instrument service life management module; and the instrument service life management module integrates and weighs to output an instrument reliability report. The whole system favorably manages and controls the reliability in an instrument research process by aiming at the function and the structure of the instrument, and can effectively accelerate the popularization and application of the instrument.

The invention provides a reliability management information system and method covering high-voltage, medium-voltage and low-voltage customers. The system comprises a data interface module, a database module, a customer display module and an index display module, wherein the data interface module is used for obtaining data information of a power grid and storing the obtained data information to the database module according to the required format; the database module is used for storing basic data and operating data and being in data interaction with other modules; the customer display module is used for displaying the customers of a power distribution network according to the topological relation, the power supply relation, equipment state and transformer substation parameters, line parameters, transformer parameters and parameters of the high-voltage, medium-voltage and low-voltage customers; the index display module is used for displaying an index result according to power failure information and comparing the result with a target value. By the system and method, the function of automatic acquisition of the basic data and the operating data can be achieved, statistics of indexes can be achieved for the high-voltage, medium-voltage and low-voltage customers, and labor cost is lowered.

The invention discloses a redundant and high-reliability partitioning method for an embedded Linux system and belongs to the field of computer systems. The method specifically comprises the following steps: (1) analyzing the structure and file constitution of the Linux system; (2) additionally installing a system disc based on a single system disc; (3) partitioning the system disc into four partitions; (4) detecting a starting system of the system disc by virtue of a GRUB (GRand Unified Bootloader) guiding method; (5) carrying out a self-repairing function on a dual-standby system disc; (6) starting the Linux system; and (7) carrying out high-reliability management on the dual-standby system disc. The redundant and high-reliability partitioning method has the beneficial effects that by providing a reliable and reasonable deployment method for the embedded Linux system, the reliability of the system during the operation is substantially increased; the frequency of IO (input and output) access to the system disc during the operation of the system is substantially decreased; by reasonably partitioning files of the Linux system and storing the files into different partitions, the interaction among the files is reduced; by utilizing two redundant backup system discs, the reliability of the system is greatly improved.

The invention relates to the technical field of shutdown maintenance of equipment, in particular to overhaul plan TIER4 evaluation technology based on shutdown overhaul of a refining device, which cancorrectly determine an overhaul strategy so as to evaluate and optimize an overhaul plan of a refining enterprise, improve the pertinence and effectiveness of the overhaul plan, reduce missed overhaul, excessive overhaul and wrong overhaul and improve the overhaul benefit. Meanwhile, the defects caused by an existing maintenance plan submission mechanism and an existing maintenance mode can be overcome, and an enterprise is guided to be gradually converted from a traditional maintenance mode to predictive maintenance, risk maintenance, reliable maintenance and improved maintenance in the aspect of the maintenance mode. The invention comprises (1) Trend (equipment state detection trend). (2) Integrity (process integrity) is carried out; (3) Experty (expert experience), (4) Reliability (based on a reliability management theory), (5) Risk Technology (risk assessment technology application achievements), (6) Regulator (regular inspection laws and regulations and execution standards), (7)Remains (legacy problems).

The invention discloses a quantification model of technical conditions of an airplane and a construction method of the quantification model. Through a proper method, a quantification model of technical conditions of an airplane is constructed. The quantification model has a data structure in a certain level. The data structure comprises maintenance report data, engine performance data, reliability management data, engineering management data and common data. Each data comprises a data item. Each data item is defined into an event parameter or a risk parameter, and has a corresponding scoring logic and a scoring method. Each event parameter is divided into A, B, C, D and E grades according to the serious degree of the event. Each grad has a corresponding quantification score value. According to the invention, technical conditions of the airplane can be comprehensively and directly displayed; relative data is conveniently searched, exported and stored; and the model and the method are assistances for airplane dispatching decisions.