Path optimization method, system and apparatus
A shortest path and node technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as division of functional areas, taking more time to find, involving vertical traffic, etc.
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Embodiment 1
[0114] The optimization calculation method provided by the present invention is applied to indoor navigation.
[0115] Combine figure 2 , There are several space areas in the building 100, the space areas are adjacent to each other and independent of each other; each space area has data receiving, processing, and sending function node units, with A, B, C, D, E , F, G, H, I represent the node units, and the solid black lines between each node unit represent the topological connection between the rooms. Because these spaces are directly connected physically, people can directly move from one area To reach another area, for example, people can directly reach room B and room D from room A, but cannot directly reach room E from room A, so there is a connection between each node unit, and each node unit forms a distributed Computing network. T marked on the connection between each room AB , T BC The waiting mark represents the estimated time t required for a person to get from one ...
Embodiment 2
[0138] Table 2
[0139]
[0140] As the starting point of the calculation, A sends 0 to all its neighbors. B and D accumulate the time to reach the source node A based on the data sent by the source node A, and send it to all neighbor nodes (B sends to A, C and E, and D are sent to A, G and E, but B and D are not recorded in the table and sent to node A), the nodes that receive the data repeat this process, and accumulate them on the basis of the data sent by the source node The time to reach the corresponding source node is sent to all neighboring nodes after data selection. The node unit will perform this processing every time it receives data. Taking node E as an example, suppose it first receives B and sends it to it. Data and calculate 0+t AB +t BE This result, E sends the result to all neighboring nodes; then E receives the data sent to it by D, and calculates 0+t AD +t DE This result, at this time, E will judge whether it is less than the previous result 0+t AB +t B...
Embodiment 3
[0146] The optimized calculation method provided by the present invention is applied to fire evacuation.
[0147] When a sudden emergency such as fire, explosion, robbery occurs in the building, the crowd needs to be evacuated immediately. Traditional evacuation systems provide people with fixed evacuation guidance, indicating emergency exits and safety signs showing the direction of stairs. This kind of fixed evacuation guidance cannot effectively adapt to emergencies, because accidents may occur anywhere in the building, and the distribution of people in each room at the time of the accident cannot be predetermined.
[0148] Based on the building information system, real-time information on the distribution of people in the building can be obtained, as well as the location, intensity and development trend of disasters. Based on this real-time information, the safest and fastest escape route can be dynamically planned, and the display in each room and traffic artery can guide the...
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