317 results about "Accident analysis" patented technology

The invention relates to an assistance determination system of a distribution network programming proposal in a electricity technical field, which includes a data input and output module, a power-supply reliability index generation module, a power-supply capacity index generation module, a power-supply quality index generation module, a short-circuit electric-current level index generation module, a projected economy index generation module, an integrated index generation module, a module for analyzing preconceived accident and displaying an analysis report on the preconceived accident consequence and an inquiry module for an calculation result on the assessment index of the distribution network. The data input and output module is used for inputting the data of the distribution network proposal into each index generation module, and outputting the assessment index calculated by each index generation module. Each index is calculated by each index generation module through calling a topology analysis and a power flow calculation, and the analysis reporting module and the inquiry module carry out an analysis and a report to each module respectively. The invention finds out existing problems and weak steps of the projected proposal quickly and accurately, and provides scientific basis for a revise and an execution of the projected proposal.

Methods, systems, and computer program products for restarting event and alert analysis after a shutdown in a distributed processing system are provided. Embodiments include identifying, by an incident analyzer, a shutdown condition of the distributed processing system, the incident analyzer including a plurality of event analyzers and a monitor that monitors the plurality of event analyzers; and determining, by the incident analyzer, whether the shutdown was a planned shutdown or an unplanned shutdown; if the shutdown was planned, storing, by the incident analyzer, an identification of the last event in an event log that was injected in an event queue at the time of the planned shutdown and restarting, by the incident analyzer, event and alert analysis using the next event identified in the event log; and if the shutdown was unplanned, for each event analyzer, identifying the last event included in the last event pool that the event analyzer closed; and restarting, by the incident analyzer, event and alert analysis at the event analyzer using the next event received by the event analyzer after the identified last event.

The invention discloses a vehicle security risk warning and accident reconstruction system and method of big data processing. The system comprises a vehicle-mounted video terminal and a cloud big data processing platform, all kinds of parameters, video images, voice information and the like of vehicle operation are analyzed by the big data processing platform in the background to provide effective information for accident authentication, driving behaviors of drivers, vehicle conditions and the like, and provide a novel method for confirmation of responsibility, vehicle improvement, traffic management and the like. The system is a research and development system of a key common technology based on cloud computing, collected videos are encoded in an H.264 manner, stored locally and are circularly covered, and after an abnormal driving behavior is detected, video data within 10-30 seconds before and after the time point are transmitted to a service system for accident analysis and reconstruction. The system solves the vehicle driving security risk problem and provides a vehicle security public service platform.

Methods, systems, and computer program products for restarting event and alert analysis after a shutdown in a distributed processing system are provided. Embodiments include identifying, by an incident analyzer, a shutdown condition of the distributed processing system; and determining, by the incident analyzer, whether the shutdown was a planned shutdown or an unplanned shutdown; if the shutdown was planned, storing, by the incident analyzer, an identification of the last event in an event log that was injected in an event queue at the time of the planned shutdown and restarting, by the incident analyzer, event and alert analysis using the next event identified in the event log; if the shutdown was unplanned, identifying, by the incident analyzer, a previously configured restart mode; selecting, by the incident analyzer, an identification of a restart event in the event log according to the previously configured restart mode; and restarting, by the incident analyzer, event and alert analysis using the restart event identified in the event log.

Administering incident pools including creating a pool of incidents, the pool having a predetermined initial period of time; assigning each received incident to the pool; assigning, by the incident analyzer, to each incident a predetermined minimum time for inclusion in a pool; extending for one or more of the incidents the predetermined initial period of time of the pool by a particular period of time assigned to the incident; determining whether conditions have been met to close the pool; and if conditions have been met to close the pool determining for each incident in the pool whether the incident has been in the pool for its predetermined minimum time for inclusion in a pool; and if the incident has not been in the pool for its predetermined minimum time, evicting the incident from the closed pool and including the incident in a next pool.

Administering incident pools including creating a pool of incidents, the pool having a predetermined initial period of time; assigning each received incident to the pool; assigning, by the incident analyzer, to each incident a predetermined minimum time for inclusion in a pool; extending for one or more of the incidents the predetermined initial period of time of the pool by a particular period of time assigned to the incident; determining whether conditions have been met to close the pool; and if conditions have been met to close the pool determining for each incident in the pool whether the incident has been in the pool for its predetermined minimum time for inclusion in a pool; and if the incident has not been in the pool for its predetermined minimum time, evicting the incident from the closed pool and including the incident in a next pool.

The invention relates to a method for setting accidence diagnose and accidence prediction, which comprises a real-time data interface and a processing module. It provides many kinds of data interfaces to collect and treat data. Wherein, the accidence diagnose and accident prediction module can real-time detect the state of device, and diagnose accidence to alarm and give treating advice; the process detecting, accidence diagnose, accidence analysis and prediction are based on real-time data, that used in process control system; it uses the real-time and history database system modules to provide to the data service of alarm processing module, and provide the quick search of real-time and history data via function type; the alarm unit comprises an alarm operation function treating unit, an alarm container and an alarm manage unit. The invention can integrate the process detection, accidence diagnose, accidence analysis prediction and on-line operation instruction.

Administering incident pools including receiving, by an incident analyzer from an incident queue, a plurality of incidents from one or more components of the distributed processing system; assigning, by the incident analyzer, each received incident to a pool of incidents; assigning, by the incident analyzer, to each incident a particular combined minimum time for inclusion in one or more pools, each particular combined minimum time corresponding to a particular incident; in response to the pool closing, determining, by the incident analyzer, for each incident in the pool whether the incident has met its combined minimum time for inclusion in one or more pools; and if the incident has been in the pool for its combined minimum time, including, by the incident analyzer, the incident in the closed pool; and if the incident has not been in the pool for its combined minimum time, including the incident in a next pool.

The invention discloses a safety management method based on dynamic quantitative accident risk prediction, and the method comprises the following steps: an accident predicting platform is provided, and a basic event dynamic predicting model and an accident analyzing model are established; the accident predicting platform detects state information of production units in real time, and failure information is obtained; then the basic event dynamic predicting model predicts the failure information to obtain basic event dynamic probability; then the accident analyzing model calculates the basic event dynamic probability to obtain the current accident risk probability of the production unit; then the current accident risk probability and a preset risk probability control criterion are compared, if the accident risk probability is more than the risk probability control criterion, a preset emergency plan is started to assist an executor to tackle the accident; if not, a preset standard working flow is started, and a warning message is emitted so that the executor can correct a mistake. The method and the system can reflect the influence of dangerous factor change on probability dangers in real time, thus really realizing the safety management idea of prevention first.

An automobile running record device and central monitor software with GSM network access function, which is able to realize real-time monitor of various status of automobile in running, record the automobile running data during the running process and transmit the real-time automobile data to the monitor center via a GSM module. The automobile running record device comprises of the following components: a shell with electromagnetic shield function and is able to prevent water, fire and mechanical bump; a microprocessor; a ferroelectric memory for temporary storage of data; a large capacity FLASH memory; a sound record information memory; a real time clock; an IC card for recognizing the user identity; a RS232 communication interface; a USB HOST interface; a GSM module circuit; a printer interface; a LCD; a sound alarm circuit; an operation panel; an external signal input module; a photoelectric isolation device; acceleration test; a CAN bus interface; a power management module and EMC module. The central monitor software is installed on a main frame in the monitor center via the communication interface of the record device and communicates with the record device via wireless (GSM module) or wired (UART or USB) to acquired the recorded data and analyze the running status of automobile. Therefore, the invention is able to help relevant administrations to implement real-time monitor of vehicle running status and judge whether illegal driving exists or not. Because the invention realizes that the driver can operate concealed switch to conduct real time sound record in the automobile when emergency occurs during the running, the invention brings much significance for vehicle safety and accident analysis.

The invention discloses an automobile oblique collision accident analytic computation and simulative reappearance computer system for road traffic accident assessment of the public security traffic administrative department, which can use basic data obtained by investigating the accident scene to compute driving speed and collision speed of the automobiles in the automobile oblique collision accident, and realize the two-dimension track description, the third-dimension process reappearance, the output of a main computation data table of the automobile oblique collision accident and the output of an accident occurrence process brief text of the accident automobiles. The invention is suitable for being extensively popularized for effectively improving the technological content of traffic accident assessment and treatment so that the analysis assessment result is easy to be highly recognized by the traffic administrative department, the accident assessment authority and the accident parties; the system plays an important role in distinguishing responsibility, avoiding aggravating contradiction, reducing social unstable factor, enhancing harmonious operation of the social life and the like so as to promote the development of the assessment of road traffic accident in our country in a more scientific, accurate and authoritative direction.

An underground water supply network water leakage detecting method utilizes a multi-probe dependence tester, and probes of the tester are installed on a pipe network to collect the sound wave data. The method comprises the following steps: a. the probes are installed a pipe network valve, a hydrant or a water meter at internals, and the probes are closely contacted with the pipe network valve, the hydrant or the water meter; b. the sound wave data is collected; c. whether water leakage fault occurs is judged by analyzing the data. By utilizing function relevant principle, the method can calculate the position of water leakage point just by collecting the sound wave data at two points, thus having high locating efficiency; regional water leakage general investigation can be completed by testing for once, the data is easy to store, and the accident analysis can be conveniently carried out; as the data can be automatically collected, recorded and processed, the working intensity and anthropogenic influence can be greatly reduced.

The invention discloses a passenger car driving data recording device and a method for accident analysis by using the device. 13 types of sensors and switches such as a steering wheel rotary angle sensor, a retarder gear switch and an XYZ three-axis acceleration sensor are installed at the passenger car; exact time when an accident occurs is recorded by using a real-time clock, and various data collected is stored by a Flash memory. Simultaneously, the device carries out data transmission and communication by various interfaces including CAN bus, and an iButton interface is used for identifying the identity of a driver; the whole device finishes signal acquisition, processing and storage by an ECU processor and a peripheral modulate circuit. Matched software can completely show the operation actions of the driver and the working conditions of the passenger car in the driving process so as to carry out accident analysis for the passenger car having accidents and restore actual conditions in the process of accident, thereby providing original reference data as efficient auxiliary decision support of claim settlement for accident recording and discrimination, doubtful points analysis of accident and responsible party confirmation of accident.

The invention relates to an accident analysis method for a digital control diversity protection system of a million-kilowatt nuclear power station. The method analyzes that a pile main protection system of a 'digital control system (DCS)' in a million-kilowatt nuclear power project is in software common cause failure, and simultaneously, the method superposes the expected operation transient or design basis accident, in the case that an operator has no time to perform manual intervention, the method further researches on adding a diverse actuation system (DAS) in the DCS to ensure the safety of the pile. A DAS scheme is determined after rounded accident analysis of the nuclear power station, and the DAS scheme comprises corresponding automatic protection signals and setting values, so as to guarantee that the accident consequence meets the requirement of a 'diversity and defense in depth (3D)' acceptance criterion.

The invention provides an underground emergency evacuation virtual crowd simulation method based on multiple intelligent agents. A virtual mine emergency evacuation crowd simulation frame is built by using the underground emergency evacuation virtual crowd simulation method based on the multiple intelligent agents. The virtual mine emergency evacuation crowd simulation frame is mainly composed of five portions of a crowd simulation engine, a geometric scene simulation engine, a scene database, an event recorder and a human-computer interaction interface. In consideration of different understandings on mine knowledge and different behavior decisions of miners playing different roles when mine disasters occur, a multiple intelligent agent miner crowd emergency evacuation module and a crowd emergency evacuation algorithm for the different roles of the miners such as job foremen, expert miners, common miners and rescuers are built by using the underground emergency evacuation virtual crowd simulation method based on the multiple intelligent agents according to a role theory. The underground emergency evacuation virtual crowd simulation method based on the multiple intelligent agents can simulate true situations of a mine well, has good universality and verisimilitude, and can provide effective technical support for underground security accident analysis and prevention, mine safety training and rescue exercises.

The invention provides a watershed refined management system integrating a water environment model. The refined management system is provided with a database, the database stores hydrological data, meteorological data, pollution source data and water quality monitoring data, watershed river network meshing information stored in a river network meshing module divides a watershed into sub-computingunits, a sub-computing unit mesh of an entire watershed water system is finally determined, a model calculation module is used for simulating the pollutant concentration of each sub-computing unit mesh in the watershed to, and based on a water environment model, a water pollution accident analysis method, a pollution source response and treatment project benefit analysis method and a water qualitystandard exceeding influence backtracking pollution source method are constructed, thereby achieving the dynamic and refined management of pollution sources, projects, water quality and the like in the watershed.

Methods, apparatuses, and computer program products for administering checkpoints for incident analysis are provided. Embodiments include a checkpoint manager receiving from each incident analyzer of a plurality of incident analyzers, a checkpoint indicating an incident having the oldest identification number still in analysis by the incident analyzer at the time associated with the checkpoint. The checkpoint manager examines each received checkpoint to identify, as a restore incident, an incident having the oldest identification number indicated in any of the received checkpoints. A monitor sends to the incident analyzers, a stream of incidents beginning with the identified restore incident and continuing with any incidents having a newer identification number than the identified restore incident. Each incident analyzer processes from the stream of incidents only the incident indicated in the last checkpoint of the incident analyzer and any subsequent incidents having a newer identification number than the indicated incident.

A method and apparatus for consolidating troubleshooting information generated by a variety of troubleshooting systems is presented. A fault occurs in a network. At least one troubleshooting system notifies a network incident analyzer of the fault. A graphical user interface (GUI) is presented to a network operator. The network operator inputs information into the GUI. The information is used in conjunction with the original troubleshooting information to generate a query to a plurality of troubleshooting systems. Updated troubleshooting information is received in the network incident analyzer in response to the queries. The network incident analyzer uses the updated troubleshooting information to update the GUI and ultimately isolate the fault.

The invention relates to the technical field of on-site safety management, and especially relates to a factory hidden danger identification method and system. The system includes a check subsystem, ahidden danger report subsystem and a safety accident analysis subsystem which are in communication connection with a server provided with a database and a task controller. The database stores check task lists corresponding to items to be checked, typical accident analysis data, and check item generation templates. The task controller includes a task calling program, a task writing program, a taskallocation program, and a checker management program. A checker logs into the account to establish a new check task. The task controller identifies the level of the checker and the type of the task, calls a corresponding check task list from the database, and sends the check task list to the checker. The checker transmits the check record and problems found to the task controller after completingcheck. The task controller writes the check record to the database, and allocates the problems found in check to the accounts of corresponding persons in charge. All the staff on site can log into thesystem to participate in on-site safety management based on a variety of handheld devices, paperless check recording and reporting can be completed on site, the results can be responded to quickly and tracked correspondingly, and the coverage is wide.

The present invention discloses an accident parameter identification method, combining optimization algorithm and severe accident analysis software, for severe accidents. The optimization algorithm and severe accident analysis software are compiled into individual applications. The process for parameter identification is decided by the optimization algorithm. The actual accident parameter can be obtained by minimizing the difference between the calculations and the actual signals in the nuclear power plant.

The invention discloses a logic simulation method of the comprehensive automation system equipment of a transformer substation. The logic simulation method comprises the following steps: equipment configuration module development, simulation module library management, simulation engineering configuration / management, simulation configuration rule examination, simulation compiling, simulation operation control, simulation energizing control and simulation monitoring. The comprehensive automation system in the transformer substation is subjected to the logic function decoupling of equipment according to a three-layer structure, forms a simulation module library capable of reconfiguring logics and implementation functions, constructs and generates a simulation target system, which is the same with a practical transformer substation, of a secondary system by construction modules, applies or imports an energizing quantity to carry out simulation operation and carries out whole-process simulation monitoring, wherein the three-layer structure comprises a station control layer, a spacing layer and a process layer. The method is favorable for quickly mastering working principles in the secondary system and equipment of the transformer substation and mastering relevant overhauling and maintaining skills, and provides a means for accident analysis and processing.

The present invention discloses a traffic accident responsibility identification and claim settlement method which comprises the steps of vehicle data recording, accident information collection, remote accident analysis, first time responsibility identification, responsibility identification checkup and claim settlement determination. According to the method, through arranging the third party mechanism of a remote accident identification center, vehicle accident information is transmitted to the identification center, the responsibility can be rapidly identified and claim settlement information is determined. A responsibility identification analysis report is completed by professionals, is confirmed by accident parties and then is sent to an insurance company for claim settlement. Due to the video record and the common confirmation of both parties or multiple parties, a claim settlement result has high accuracy, the satisfaction degree of the parties is high, thus a traffic accident claim settlement case is rapidly processed, a lot of manpower and material resources of the insurance company are saved, a claim settlement process is simplified, and a claim settlement management link is improved.

The invention discloses an automobile and ground fixed object collision accident analytical calculation and simulation reproduction system for road traffic accident appraisal of the public security traffic management department. In the system, the running speed and the collision speed of an accident automobile in an automobile and ground fixed object collision accident can be calculated by using basic data investigated on the accident site, and two-dimensional locus description of the accident automobile, three-dimensional process reproduction, main calculated data table output of the automobile and ground fixed object collision accident and accident process summarizing text output are realized. The system effectively improves the technical content of traffic accident appraisal and processing, so that the analysis and appraisal results of the system are easily high approved by the traffic management department, the accident appraisal unit and the accident parties; and the system plays an important role in distinguishing responsibilities, avoiding sharpening contradiction, reducing unstable factors of the society, promoting harmonious operation of social life and the like. The system can be widely popularized and applied, and has obvious industrial generality and social public welfare.

The invention relates to a networked on-line real-time analysis system for an electric power fault recording device. The networked on-line real-time analysis system comprises a main station system, an external network and an internal network, wherein the external network and the internal network are connected with the main station system; the main station system comprises a data server serving as an application server, a maintenance working station and a printing terminal; the maintenance working station and the printing terminal are connected in parallel; the external network comprises an external communication server which is networked with a dispatching data network through a GPS (Global Positioning System) network and a network switch; the dispatching data network is networked with a sub-station; fault recorders connected in parallel are arranged in the sub-station; the internal network comprises an internal communication server which is connected with a database server, a communication server and a WEB server, and the whole internal communication server is connected with a DMIS (Dispatching Management Information System) server group. According to the networked on-line real-time analysis system for the electric power fault recording device, fault reports and fault recording data can be quickly and accurately obtained, and a relay protector can accurately analyze and judge the fault conditions, so that the accident analysis and processing speed is increased, and the safe and stable running of the electric power system is improved. The running state of the recorder can be monitored, and the running maintenance cost for daily monitoring is reduced.

To provide a vehicle accident analyzing apparatus in which reconstruction quality of low speed crashes is improved. An impact parameter determination apparatus 10 is provided with a triggering unit 20 which uses input signals from in-vehicle sensors, and an area determination unit 30, and a parameter calculation unit 50. The triggering unit 20 generates a trigger signal 21 based on the input signals for triggering the area determination unit 30 and the parameter calculation unit 50. The area determination unit 30 uses the input signals to calculate the most probable impact area 31. The parameter calculation unit 50 calculates the final desired crash parameters based on the input signals and the most probable impact area 31.

The invention discloses a networking system for a digital transformer substation. The networking system comprises first Ethernet, second Ethernet, a first generic object oriented substation event (GOOSE) net and a second GOOSE net, wherein the first Ethernet is arranged in a substation control layer, the second Ethernet is in redundancy configuration with the first Ethernet, the first GOOSE net is arranged in a process layer, and the second GOOSE net is in redundancy configuration with the first GOOSE net, a fault wave-recording device collects and processes digital quantity information of equipment in a separation layer through the first Ethernet and the second Ethernet, collects and processes digital quantity information of equipment in a process layer through the first GOOSE net and the second GOOSE net, in addition, a merging unit is used for collecting analog quantity information of a voltage mutual inductor and a current mutual inductor, and a protection information sub station carries out fault information processing according to the collected information so that the accident analysis is carried out. When the technical scheme of the invention is implemented, the network configuration is eliminated, in addition, more information than fault wave-recording net can be recorded, and an information sub station can be more favorably protected to do accident analysis, so the safety, the stability and the reliability of the fault wave recording are improved.

The invention relates to the field of power system simulation training, and particularly relates to a substation safety case type simulation training method based on a virtual reality technology. The method comprises the following steps: 1, collecting case materials; 2, selecting typical safety accident cases; 3, forming a typical case table; 4, teasing the cases to obtain key events and key steps for key manufacturing; 5, forming a case script; 6, generating a case data file using a case making tool; and 7, performing immersed application interaction of the substation safety accident cases. By using the method, a trainee can carry out effective interaction and task operation with a virtual imaged device or environment by directly using limb actions, experience actual production accidents and feel hazards in various operating environments and consequences caused by non-standard operation, so that the accident analysis and handling abilities are improved.

The invention discloses an electric transmission line corridor fire condition detection system based on satellite remote sensing. The electric transmission line corridor fire condition detection system based on satellite remote sensing is composed of a private wire network, a data storage unit, a data bus I, an analysis and alarm unit, a Web application unit and a data bus II. Due to the implement of concentration, process and analysis of satellite forest fire detection data and application of relevant Geographic Information System (GIS) data, the electric transmission line corridor fire condition detection system based on satellite remote sensing achieves fire condition discovery of the periphery of the electric transmission line and a fire danger alarm of the electric transmission line operation and provides technical support for power transmission network forest fire accident analysis and power forest fire resistant scheduling.