52 results about "Evacuation plan" patented technology

The present invention is directed to a web-based system and method for managing traffic and congestion associated with large events while decreasing operating costs and increasing event revenues. A user accesses a webpage to purchase a parking pass for a predetermined event via a user interface. Once the parking lot has been determined and the spectator charged for the pass, a customized map and driving directions are generated for the spectator, detailing the route to the event the spectator is to follow. The system gives the event management advanced revenues and planning information to devise evacuation plans, emergency response plans, security, and traffic pattern designs.

The invention discloses a large-scale regional emergency traffic evacuation simulation system based on activities, which comprises a disaster evolution module, a road network construction module, a population and activity generation module, a microscopic traffic simulation module, an animation display module and a statistical analysis module. The disaster evolution module is used for providing an influence of a disaster on a road system; the road network construction module is used for constructing a road network and an activity place; the population and activity generation module is used for generating a population evacuation and individual and family escape plan; the microscopic traffic simulation module is used for generating a population evacuation and vehicle movement trajectory; the animation display module is used for displaying a population evacuation and vehicle movement process; and the statistical analysis module is used for statistical analysis of traffic conditions during evacuation. The individual and family escape plan and the destructive effects of disasters on the road network during evacuation are comprehensively considered, the vehicle movement process is described via microscopic traffic simulation, the whole traffic evacuation simulation process is enabled to be more practical, and the assessment of an emergency traffic evacuation plan can be realized effectively.

A method of preparing for emergencies in a building setting such as a school and using the method to create to a comprehensive crisis resource kit including evacuation plan, contact numbers, master contingency plan, flashlight, cell phone and first aid kit for use in a variety of emergency situations.

The invention discloses a novel heuristic algorithm for an emergency evacuation plan of an urban traffic network. The novel heuristic algorithm is implemented as follows: (1), an urban emergency evacuation network is established; (2), an optimization model for the emergency evacuation network is established; (3), an emergency evacuation planning problem is optimized by using a Lagrangian relaxation-tabu searching algorithm; and (4), a Lagrangian relaxation problem is solved; to be specific, the operation starts with an evacuation network feasible solution, searching is carried out to update an iteration network state until a stop criterion is met, and a final result is outputted. According to the invnetion, on the basis of combination of the Lagrangian relaxation technique and the tabu searching, the Lagrangian relaxation- is applied to emergency network evacuation planning based on dynamic traffic distribution; and compared with the existing emergency network evacuation plan, the novel heuristic algorithm enabling the travelling behavior of the traveler to be described well becomes efficient and universal and is suitable for a large-scale traffic evacuation network.

This disclosure relates to planning movement of multiple groups over a transport network, for example, but not limited to, the evacuation of persons from geographical zones. A processor receives an initial set of paths for the multiple groups to move through the transport network to respective arrival locations and for each group an initial path to the respective arrival location and an initial departure schedule. The processor then determines based on the initial departure schedules and initial paths one or more critical groups that violate a movement performance threshold and further determines based on the transport network an updated set of paths by adding one or more paths for each critical group to the initial set of paths. Finally, the processor determines for each group an updated path to the arrival location and an updated departure schedule based on the updated set of paths.

The invention discloses a crowd evacuation simulation method and system based on an evacuation path set. The method includes the steps: extracting characteristics of an evacuation scene to obtain a two-dimensional model of the evacuation scene; acquiring all available evacuation paths based on the two-dimensional model of the evacuation scene and a social force model fusing obstacle avoiding strategies to obtain the evacuation path set; performing discretization operation on all paths in the evacuation path set, and calculating crowd distribution degree and block degree information in real time to obtain evaluation values of each individual in crown for the all paths in the evacuation path set; building a roulette according to the evaluation values of each individual in the crown for the all paths in the evacuation path set, and selecting an optimum evacuation path by the aid of pseudo random selection strategies based on the roulette and stable factors to achieve simulation of crowd evacuation processes. According to the method, evacuation strategies are changed in real time by a simulation individual according to current evacuation environments, and safety evacuation plans of sudden events can be scientifically guided.

The invention relates to a high-rise building emergency evacuation method and system based on digital twinning and electronic equipment. The method comprises the following steps: establishing a digital world twinning with a physical world; analyzing historical personnel evacuation data through the digital world, and predicting personnel space-time distribution data of a physical world according toan analysis result; performing evacuation simulation according to the personnel space-time distribution prediction data, and constructing an evacuation plan evaluation model according to an evacuation simulation result; enabling the evacuation plan evaluation model to generate at least two evacuation plans according to the personnel space-time distribution prediction data, evaluate the at least two evacuation plans, and select an optimal evacuation plan; and establishing virtual-real fusion and dynamic interaction between the physical world and the digital world by adopting Socket, and performing personnel evacuation on the physical world by adopting the optimal evacuation plan. Through a virtual-real interaction mode and collaborative evolution, the problems of emergencies, instability,nonlinearity and uncertainty in the physical world are solved.

The invention discloses a multi-exit evacuation method based on prediction time. The multi-exit evacuation method comprises the following steps: 1, proposing prediction evacuation time to acquire a formula; 2, carrying out optimal planning based on a global path of A* algorithm; and 3, calculating a formula of exit evacuation capability. According to the multi-exit evacuation method based on the prediction time disclosed by the invention, by fully taking consideration of key points including a distance of every pedestrian to the exits, pedestrian expected speed, the total number of the pedestrians corresponding to each exit and different evacuation capability of different width exits, of crowd evacuation from multiple exits, a calculation method of evacuation time required by selection ofdifferent exits by the pedestrian is given, and the evacuation is simulated according to actual scenes. An experimental result proves that compared with a conventional mode, the time prediction modeldisclosed by the invention has the advantages that the evacuation to the pedestrian is simulated and predicted preferably, and effective help is provided for drawing an emergent evacuation plan.

The invention discloses an urban large building fire fighting emergency evacuation system and method, and belongs to the field of building fire fighting safety, and the system comprises a region marking module, a personnel collection module, a fire detection module, a disaster situation prediction module, a disaster situation management and control module, an evacuation planning module and a loss analysis module, the area marking module is used for carrying out data marking on the building; according to the invention, evacuation personnel can be rapidly and accurately guided, the probability that the personnel are jammed and trampled in a single channel is greatly reduced, the safety of the evacuation personnel in the evacuation process is ensured, a response can be made in time when a fire occurs, corresponding fire extinguishing management and control processing is carried out on the fire, the fire spreading speed is effectively restrained, and the safety of the evacuation personnel is ensured. And the personnel escape rate is improved.

The invention belongs to the field of ship personnel evacuation capability evaluation, and particularly relates to an MSC-based offshore personnel emergency escape path planning method. According to the invention, on the basis of the shortest path; the number of personnel on the path is comprehensively considered; that is, congestion issues, checking and judging evacuation time factors; the optimal evacuation route is finally planned, the evacuation capacity of the ship personnel can be evaluated in the early stage of design, the optimal evacuation route for personnel emergency escape is planned, and the method has great theoretical value and social significance for ship design, emergency situation setting, evacuation plan making and even promotion of the safety of the shipping industry.

A control system for optimising emergency multi-storey building stairwell evacuation, the system includes an occupant tracking subsystem configured to monitor the locations of building occupants within a building as the occupants move between floors of the building so as to be able to continuously calculate the number of occupants on each floor of the building at any time, such that, during an emergency. The control system is configured and able to, using an access door controller subsystem: control the closing of a plurality of access doors of a stairwell; and control the successive opening of certain access doors of certain floors of the stairwell in accordance with an evacuation plan. Wherein the evacuation plan is dynamically configured in accordance with the calculated number of occupants on each floor of the building.

The disclosure provides an evacuation information system and an evacuation information method adapted for the system. The system includes a fire detector, a system control center, a plurality of alarm information transmitters, and a mobile communication device. Each alarm information transmitter stores an electronic evacuation plan of a floor in a building, which marks evacuation routes. When the fire detector detects the presence of a fire, the mobile communication device on the same floor as the fire calculates the coordinates of the mobile communication device to confirm the position on the plan, and displays the plan and an optimal evacuation route. The mobile communication device on a different floor as the fire area displays the plan of the floor and a plurality of evacuation routes.

The invention discloses a hierarchical evacuation simulation optimization method based on an artificial fish swarm algorithm. The method comprises the steps of acquiring an evacuation scene; constructing a three-dimensional hierarchical evacuation network according to the evacuation scene; acquiring spaces capable of accommodating evacuees according to the three-dimensional hierarchical evacuationnetwork, abstracting the spaces capable of accommodating the evacuees as nodes, abstracting channels between the spaces for accommodating the evacuees as edges between the connected nodes; establishing a logic evacuation network topological graph according to the adjacency relationship between the nodes and the edges; obtaining the total number of the nodes, the total number of valid edges, the number of inbound edges of the nodes, the number of outbound edges of the nodes, the serial number of the nodes, the capacity of the nodes, the coordinates of the nodes and the level of the nodes according to the topological graph, and adopting the artificial fish swarm algorithm for simulating personnel evacuating to obtain an optimal evacuation plan.

The invention provides a road control method for emergency evacuation of city transportation. The road control method comprises the following steps of S1, determining an evacuation request of a target transportation network; S2, according to the evacuation request and a network structure of the target transportation network, obtaining an optimum evacuation plan; S3, according to the optimum evacuation plan, generating a road control plan; S4, implementing the road control plan. The road control method for the emergency evacuation of the city transportation has the advantages that the lane turnover control is combined with the junction conflict releasing strategy, the direction selection in the evacuation process is simplified, and the whole evacuation efficiency of the network is improved; the management is convenient and rapid, and the evacuation efficiency is high.

The invention provides an entropy-based multi-ant-colony man-vehicle competition-collaboration evacuation optimization method, which is characterized in that the evacuation process of people and the evacuation process of vehicles are respectively simulated mainly through a multi-ant-colony optimization algorithm, competition and collaboration between people and vehicles are simulated by using a communication mechanism between ant colonies, the movement process of particles simulates evacuation individuals including the mixed evacuation process of people and vehicles, and competition and information sharing between people and vehicle groups are simulated by adopting an entropy-based multi-ant-colony communication mechanism, thereby being capable of better simulating people groups and vehicle groups in the man-vehicle mixed evacuation process and interaction between different objects, effectively avoiding a congestion phenomenon brought about by a positive feedback mechanism of the single ant colony, and better reflecting competition and collaboration of different traffic objects in the man-vehicle mixed evacuation process. The acquired evacuation scheme can meet requirements of multiple targets at the same time, thereby providing a reasonable and efficient decision-making basis and evacuation plans for different decision makers and evacuees.

The invention belongs to the intelligent fire protection emergency lighting and evacuation indication system field and provides a method for automatically generating an evacuation plan through gridding. The method includes the following steps that: 1) a grid composed of polygon cells is drawn; 2) attributes such as ''pass forbidden'', ''channel'' and ''exit'' are set for the cells in the grid, and evacuation channels and exits in a building are described; 3) control points of fire detection devices and fire protection emergency indication lights are dragged onto the cells, so that correlations are established; and 4) evacuation paths between ''channel'' cells and a nearest ''exit'' cell are obtained through a software algorithm, and the ''channel'' cells are set to point to the ''exit'' cell; and 5) an evacuation plan correlated with the fire protection emergency indication lights is generated according to the pointing directions of the ''channel'' cells.

A method, evacuation system and hazard warning center for the evacuation of a building divided into sections by the hazard warning center, which is connected to at least one hazard warning unit detecting a hazard. The hazard warning center produces an evacuation plan for the sections of the building on the basis of the location of the hazard detected by the hazard warning unit, the data received in connection with the hazard and at least one stored condition, and at least one alarm signaling unit in a section is sent at least one request to emit either a warning signal or an evacuation signal on the basis of the evacuation plan.

The invention provides an RNN-based indoor crowd evacuation automatic guidance simulation method and system, and the method comprises the steps: optimizing RNN network parameters through employing a difference algorithm and taking the reduction of evacuation time as an optimization criterion, and building the relation among a real-time evacuation state, a guidance strategy and the crowd evacuationtime; in evacuation process, obtaining crowd distribution density information of all regions in the evacuation process to serve as input of an RNN network and a network intermediate state at the first lambda moment; obtaining the guidance probability between navigation points at the current moment, creating a temporary moving target at the next moment for pedestrians at the current moment by utilizing a roulette-based pseudo-random selection strategy, and guiding the pedestrians to evacuate, thereby achieving the purpose of reducing the crowd evacuation time. According to the invention, starting from one of key factors influencing evacuation efficiency, i.e., congestion, the RNN is used for establishing the mapping relation between the evacuation crowd distribution probability and the evacuation strategy, effective evacuation help can be effectively provided for pedestrians who are unfamiliar with scenes and cannot obtain complete evacuation information, and scientific guidance of anemergency indoor crowd safe evacuation plan is achieved.

Disclosed are a system and method for developing computational models of the behavior of a building's occupants using data acquired from sensor-equipped connected luminaires. The models are then used to develop an optimized evacuation plan for safe and timely egress of the occupants without requiring mock evaluation drills.

A method for providing an updated digital building model is provided. The method includes the following steps: a) providing a digital building model for a physical building, b) ascertaining a virtually accessible area within the digital building model, c) capturing real data obtained by a number N of data sources, where N≥1, wherein the real data include data from a real accessible area within the physical building that corresponds to the virtually accessible area, and d) updating the virtually accessible area within the digital building model by the captured real data of the real accessible area to provide the updated digital building model. This means that when there is a need to evacuate a physical building, there are updated virtually accessible areas present, and hence these can be taken as a basis for providing an updated evacuation plan for evacuating people.

The invention discloses a method for evaluating and improving a fire extinguishing and emergency evacuation plan. The method comprises the following steps: 1, constructing a fire extinguishing and emergency evacuation plan case library; 2, constructing a fire extinguishing and emergency evacuation plan evaluation index system; 3, constructing an index judgment matrix according to the index systemof the fire extinguishing and emergency evacuation plan, and determining an index weight; 4, establishing an evaluation grade and an up-to-standard threshold value; and 5, establishing an evaluation and improvement program, evaluating the pre-arranged plan, and performing targeted improvement on the pre-arranged plan based on the current evaluation result until the pre-arranged plan evaluation result reaches the standard. Preplan review personnel can carry out standardized quantitative evaluation on fire extinguishing and emergency evacuation preplans according to the method, and preplan compilation personnel can carry out targeted improvement on the preplans in combination with preplan review results. According to the method, the comprehensiveness and objectivity of fire extinguishing andemergency evacuation plan review work can be greatly improved, and the work efficiency of plan revision and improvement is improved.

A system for the coordinated collection of information related to a potentially hazardous condition, within a specific venue, from a community of interested entities, the comparison of such information against a set of generally accepted criteria for control and containment of a potentially hazardous condition, and the rating of the specific environment, as to safety and as to the risk associated with the potentially hazardous condition via-a-vis the specific structural environment within which it exists. This system can also do prediction analysis and therefore extrapolate solutions to impending problems. This can lead to systems of mitigation and or apply methods and means of life safety such as evacuation plans, preparation plans, etc., since understanding structural integrity is related to how much time a first responder or occupant may have before a building collapse based on specific conditions.

The invention relates to an assembly pedestrian evacuation guide simulation system, which comprises a base data module, an operational simulation module and a statistical output module, wherein the output end of the base data module is connected with the input end of the operational simulation module, and the base data module is used for generating and storing the related base data for the operation simulation module to invoke; the output end of the operational simulation module is connected with the input end of the statistical output module, and the operational simulation module is used for searching pedestrian location to generate the number of evacuated pedestrian at each exit of a pedestrian location matrix and the pedestrian density in the field range of each exit for the statistical output module to invoke; and the statistical output module is used for calculating a total evacuation time, a system exit pedestrian density disproportion degree and an exit evacuated pedestrian number disproportion degree according to the simulation data provided by a simulation data recording module of the operational simulation module. The assembly pedestrian evacuation guide simulation system of the invention provides the method and means for the evaluation and optimization of the assembly evacuation plan and the guiding strategy in a complex environment.