CN117669847A - BIM-based fire-fighting acceptance route planning method and device and electronic equipment - Google Patents
BIM-based fire-fighting acceptance route planning method and device and electronic equipment Download PDFInfo
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Abstract
The invention belongs to the technical field of fire control acceptance, and discloses a fire control acceptance route planning method and device based on BIM and electronic equipment, wherein the method comprises the following steps: s1, BIM model information of a building engineering is obtained; s2, determining a target area and a target component which need fire protection acceptance according to BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points; s3, calculating path information between any two acceptance points by combining BIM model information; s4, generating an acceptance recommendation route according to the acceptance points and the path information between any two acceptance points. According to the invention, each acceptance point position required to be subjected to fire control acceptance is determined based on the BIM model, and then the acceptance recommendation route is automatically generated based on the coordinate information of each acceptance point position and the position information in the BIM model, so that the improvement of acceptance efficiency, the reduction of acceptance time, the reduction of acceptance cost and the reduction of workload of acceptance personnel are facilitated.
Description
Technical Field
The invention belongs to the technical field of fire control acceptance, and particularly relates to a fire control acceptance route planning method and device based on BIM and electronic equipment.
Background
Fire acceptance is an important step in the field of construction engineering to ensure compliance and safety of fire protection systems within buildings. In the traditional fire-fighting acceptance process, fire-fighting acceptance personnel often need to manually analyze building structures, equipment configuration and evacuation channels, make acceptance routes and then conduct acceptance according to the routes. However, this method has problems of lengthy route, low efficiency, easy occurrence of incomplete acceptance, easy influence by subjective factors, and the like.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a fire-fighting acceptance route planning method, a fire-fighting acceptance route planning device and electronic equipment based on BIM, which solve the problems that fire-fighting acceptance of the existing building engineering needs to manually make an acceptance route, has long route, low efficiency, is easy to cause incomplete acceptance, is easily influenced by subjective factors and the like, and greatly improve acceptance efficiency, reduce acceptance time and lower acceptance cost by automatically generating an acceptance recommended route based on a model.
To achieve the above object, according to a first aspect of the present invention, there is provided a fire-fighting acceptance route planning method based on BIM, including:
s1, BIM model information of a building engineering is obtained;
s2, determining a target area and a target component which need fire protection acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points;
s3, calculating path information between any two acceptance points by combining the BIM model information;
s4, generating an acceptance recommended route according to the acceptance points and path information between any two of the acceptance points.
According to the BIM-based fire inspection and acceptance route planning method provided by the invention, S2 specifically comprises the following steps:
dividing fire protection acceptance of the building engineering into a plurality of acceptance blocks according to the BIM model information;
for a plurality of acceptance blocks, screening a target area and a target component which need to be subjected to fire protection acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points;
correspondingly, S4 is specifically: and generating acceptance recommendation routes for the plurality of acceptance blocks respectively.
According to the BIM-based fire protection acceptance route planning method provided by the invention, the acceptance block comprises a plurality of types of general plane layout acceptance, standard layer acceptance, refuge layer acceptance, roof acceptance, basement acceptance, fire control room acceptance, fire pump room acceptance, distribution room acceptance and equipment room acceptance.
According to the BIM-based fire inspection and acceptance route planning method provided by the invention, in S2, a target area and a target component which need to be subjected to fire inspection and acceptance are determined according to the BIM model information, and the method specifically comprises the following steps:
acquiring a region and a member related to fire control acceptance of the building engineering according to the BIM model information;
screening the regions and the components related to fire acceptance for any acceptance block, and determining the regions and the components corresponding to any acceptance block as alternative regions and alternative components;
and determining the target area and the target member corresponding to any acceptance block from the candidate area and the candidate member.
According to the BIM-based fire inspection and acceptance route planning method provided by the invention, S3 specifically comprises the following steps:
according to the BIM model information, determining communication path information between any two acceptance points;
and determining the shortest path between any two acceptance points according to the coordinates of the acceptance points and the communication path information between any two acceptance points.
According to the fire protection acceptance route planning method based on BIM provided by the invention, in S4, an acceptance recommended route is generated through an ant colony algorithm, and S4 specifically comprises the following steps:
s41, initializing parameters: let time t=0, iteration number N C =1, initial pheromone concentration τ ij (0) =c, initial pheromone increment Δτ ij (0) =0, set maximum iteration number N cmax Randomly and correspondingly placing m ants at m acceptance points one by one;
s42, an ant number k=1 is set;
s43, initializing an acceptance point set allowed of ant k k A set of all acceptance points except the starting acceptance point;
s44, according to allowed k The transition probability of each acceptance point in the test pattern is that the next acceptance point j to be accepted is selected by using a roulette method, and the acceptance point set allowed of ant k is updated k I.e. from allowed k Removing the acceptance point j;
s45, judging the aggregate allowed k Whether or not it is empty, if allowed k If the air is empty, the process proceeds to step S46; otherwise, go to S44;
s46, judging a one-time circulation stop standard: if k=m, stopping, recording the travelling paths of M ants into a globally feasible solution set M and entering S47; otherwise, let k=k+1 go to S43;
s47, updating pheromone according to the travelling paths of m ants to enable N C ＝N C +1, go to step S42;
s48, if the iteration number is equal to the preset maximum iteration number N Cmax The algorithm terminates and outputs the optimal solution in M as the acceptance recommended route, wherein the optimal solution is the travel path with the shortest length.
According to the BIM-based fire inspection and acceptance route planning method provided by the invention, the transition probability P is transferred in S44 ij k The calculation formula of (t) is as follows:
wherein P is ij k (t) represents the probability that ant k is transferred from acceptance point i to acceptance point j at time t, namely the transfer probability from acceptance point i to acceptance point j; alpha represents the relative importance of the pheromone; beta represents the relative importance of the heuristic factor; τ ij (t) represents the pheromone concentration from the acceptance point i to the acceptance point j at time t; η (eta) ij A heuristic factor representing from acceptance point i to acceptance point j;
the heuristic factor calculation formula is as follows:
wherein d ij Representing the length of the shortest path from acceptance point i to acceptance point j;
in S47, after all ants complete one travel path, the pheromone on each path is updated as follows:
τ ij (t+n)＝(1-ρ)*τ ij (t)+Δτ ij ；
wherein ρ is informationA prime volatility coefficient; Δτ ij The increment of the pheromone between the acceptance point position i and the acceptance point position j in the iteration is represented; Δτ ij k Representing the amount of pheromone of the kth ant left between the acceptance point i and the acceptance point j in the iteration; q is a pheromone constant; l (L) k Is the length of the path that ant k traveled in this iteration.
The fire-fighting acceptance route planning method based on BIM provided by the invention further comprises the following steps:
s5, providing navigation guidance for the acceptance process according to the acceptance recommended route;
and prompting or re-planning navigation when the user deviates from the acceptance recommended route in the acceptance process.
According to a second aspect of the present invention, there is provided a fire acceptance route planning apparatus based on BIM, comprising:
the information acquisition module is used for acquiring BIM model information of the building engineering;
the acceptance point position generation module is used for determining a target area and a target component which need to be subjected to fire acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component and generating an acceptance point position;
the path calculation module is used for combining the BIM model information and calculating path information between any two acceptance points;
and the route recommendation module is used for generating an acceptance recommendation route according to the acceptance points and the route information between any two acceptance points.
According to a third aspect of the present invention there is provided an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterised in that the steps of the BIM-based fire acceptance route planning method as described in any of the preceding claims are carried out when the program is executed by the processor.
In general, compared with the prior art, the technical scheme adopted by the invention is that the BIM-based fire-fighting acceptance route planning method, the BIM-based fire-fighting acceptance route planning device and the electronic equipment are provided by the invention:
1. each acceptance point position needing fire-fighting acceptance is determined based on the BIM model, then an acceptance recommendation route can be automatically generated based on the coordinate information of each acceptance point position and the position information in the BIM model, fire-fighting acceptance personnel can conduct fire-fighting acceptance according to the acceptance recommendation route, the existing step of manually making the acceptance route is avoided, the improvement of acceptance efficiency, the reduction of acceptance time, the reduction of acceptance cost and the reduction of workload of the acceptance personnel are facilitated, meanwhile omission of fire-fighting acceptance and artificial subjective factor interference are avoided to a certain extent, and the accuracy and the comprehensiveness of fire-fighting acceptance are ensured; the method has wide application prospect in the technical field of fire-fighting acceptance;
2. the target area and the target component are respectively determined based on the BIM model acceptance dividing block so as to respectively generate acceptance recommendation routes, and the method is favorable for orderly, efficient and comprehensive fire control acceptance;
3. the specific method for determining the target area and the target component is provided, so that the determination of the target area and the target component can be realized efficiently to generate the acceptance point position information, thereby being beneficial to reducing the acceptance plan making time, improving the efficiency and reducing the workload of acceptance personnel;
4. it is proposed to determine shortest path information between each acceptance point location first, and then generate an acceptance recommended route based on the shortest path information, which is beneficial to ensuring that the shortest and feasible acceptance recommended route is generated.
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FIG. 1 is a flow chart of a BIM-based fire acceptance route planning method provided by the invention;
FIG. 2 is a schematic diagram of a specific algorithm for generating an acceptance recommendation route provided by the invention;
fig. 3 is a schematic diagram of an electronic device provided by the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, the present invention provides a fire-fighting acceptance route planning method based on BIM, which includes:
s1, BIM model information of a building engineering is obtained;
s2, determining a target area and a target component which need fire protection acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points;
s3, calculating path information between any two acceptance points by combining the BIM model information;
s4, generating an acceptance recommended route according to the acceptance points and path information between any two of the acceptance points.
According to the BIM-based fire-fighting acceptance route planning method provided by the invention, each acceptance point position required to be subjected to fire-fighting acceptance is determined based on the BIM model, then the acceptance recommendation route can be automatically generated based on the coordinate information of each acceptance point position and the position information in the BIM model, fire-fighting acceptance personnel can carry out fire-fighting acceptance according to the acceptance recommendation route, the existing step of manually making the acceptance route is avoided, the improvement of acceptance efficiency, the reduction of acceptance time, the reduction of acceptance cost and the reduction of the workload of the acceptance personnel are facilitated, meanwhile, omission and artificial subjective factor interference of fire-fighting acceptance are avoided to a certain extent, and the accuracy and the comprehensiveness of fire-fighting acceptance are ensured; the method has wide application prospect in the technical field of fire-fighting acceptance.
The BIM model of the building engineering used meets BIM modeling standards of the building field, preferably meets BIM modeling standards aiming at the fire-fighting acceptance field so as to meet the fire-fighting acceptance requirement, and has total plane layout information, floor distribution, fire-fighting system configuration, evacuation walk information, room and component information and the like so as to meet the fire-fighting safety standard design requirement, and the BIM model which is generally regular or is subjected to verification meets the above requirements and has corresponding required information.
The step S1 may specifically be: the following information in the building engineering BIM model is called through an API interface: global attributes, areas/areas, rooms, component information, general planar layout information, fire protection system configuration information, evacuation walk information, building structure, floor distribution, material attributes, and component types of the building engineering; the information related to fire inspection and acceptance in the BIM is called through the API interface, all information lists related to fire inspection and acceptance in the BIM are called, so that the information lists can be traversed later to obtain target areas and target components which need to be subjected to fire inspection and acceptance, related information in the BIM is extracted first, the target areas and the target components can be accurately determined later, and fire inspection and acceptance planning can be accurately and efficiently conducted.
In particular, the information retrieved from the BIM model is intended to retrieve all information related to fire acceptance, and the type of retrieved information may be set according to the area and components to be accepted as specified in the fire acceptance specification. The acquired BIM model information meets the requirements of the subsequent steps, and specifically comprises the steps of screening a fire-fighting acceptance target area and a target component in the step S2 and generating acceptance point location coordinates of fire-fighting acceptance; in step S3, travel path information between each acceptance point is extracted, and in step S4, a recommended acceptance route is generated.
Step S1 further includes: the retrieved BIM model information can also be supplemented by manual input. Under the condition that the information is not comprehensive in the BIM model, the information can be manually input to perfect the acquired information related to the building engineering, so that the acquired information meets the requirements of subsequent steps.
The global attribute in the information is attribute information such as the name, type, application, classification (high-rise, multi-layer, fire-resistant grade and the like) of the building engineering; the areas and areas are the same meaning in the BIM model, i.e. the partition information representing the construction engineering, etc.; room information of a room, i.e., a building engineering; the component information is the physical structure information of the components forming the construction engineering, such as walls, doors, windows, various parts and the like; the total plane layout information is the plane information of the building engineering; fire protection system configuration information, i.e., some information related to fire protection, such as the setting of fire protection channels, the setting information of fire protection equipment, etc.; the evacuation pavement information is related information of evacuation pavement setting in the construction engineering; the information related to the building structure, namely the internal structure of the building, can reflect the information such as the internal structure of the building, the room communication condition and the like; the floor distribution is related information such as floor number, floor use (refuge layer, overhead layer) and the like; material properties, i.e. properties of building materials, etc.; the type of the component, i.e., classification information of the component, etc.
In some embodiments, S2 specifically includes:
dividing fire protection acceptance of the building engineering into a plurality of acceptance blocks according to the BIM model information;
for a plurality of acceptance blocks, screening a target area and a target component which need to be subjected to fire protection acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points;
correspondingly, S4 is specifically: and generating acceptance recommendation routes for the plurality of acceptance blocks respectively.
The fire-fighting acceptance blocks, namely the fire-fighting acceptance directions of the building engineering, can be respectively subjected to fire-fighting acceptance from the fire-fighting acceptance directions, so that the fire-fighting acceptance can be completed in a orderly and comprehensive manner in different directions. Specifically, according to existing fire safety regulations and fire acceptance criteria, fire inspection of construction engineering can be divided into aspects in which the acceptance block includes a plurality of kinds of general plane layout acceptance, standard layer acceptance, refuge layer acceptance, roofing acceptance, basement acceptance, fire control room acceptance, fire pump room acceptance, distribution room acceptance, and equipment room acceptance.
The building engineering does not necessarily include all the above-mentioned acceptance blocks, and the acceptance block items included in the specific building engineering can be determined according to BIM model information; for example, when the building engineering reaches a certain scale according to the global attribute information, the total plane layout acceptance should be carried out; when a standard layer and a refuge layer are arranged in the building engineering, checking and accepting the standard layer and the refuge layer should be carried out; namely, whether the building engineering contains the above-mentioned each block of acceptance is judged according to BIM model information, should carry on the acceptance of the corresponding block of acceptance when containing.
Further, in S2, determining, according to the BIM model information, a target area and a target member required to be subjected to fire protection acceptance, specifically including:
acquiring a region and a member related to fire control acceptance of the building engineering according to the BIM model information;
screening the regions and the components related to fire acceptance for any acceptance block, and determining the regions and the components corresponding to any acceptance block as alternative regions and alternative components;
and determining the target area and the target member corresponding to any acceptance block from the candidate area and the candidate member.
The retrieved BIM model information can be traversed firstly to obtain the fire-fighting acceptance-related areas and components, namely all the fire-fighting acceptance-related areas and components are traversed from the retrieved BIM model information; screening the region and the components related to fire control acceptance according to the fire control acceptance requirement, namely a specific acceptance block, and deriving an alternative region and an alternative component belonging to the acceptance block; then determining a target area and a target component belonging to the acceptance block from the candidate area and the candidate component. For example, a specified number of areas and components may be randomly selected from among the candidate areas and candidate components as targets for fire acceptance.
And then extracting the coordinates of the center points of the fire-fighting acceptance target area and the target component as the coordinates of the fire-fighting acceptance point positions according to the information of the fire-fighting acceptance target area and the target component, and generating a fire-fighting acceptance target information table.
In this example, the preset traversal algorithm and fire-fighting acceptance demands are combined, block screening is performed according to different projects and ranges of fire-fighting acceptance, individual screening is performed for each acceptance block, screening results are distributed according to the acceptance blocks, a target area and a target component information table of each acceptance block are formed, acceptance targets with the designated demand number are selected in each acceptance block, and coordinate information of target points is extracted.
The area of the building engineering relevant to fire inspection and acceptance specifically comprises: regional information such as fire fighting lanes, evacuation walkways, fire truck ascending sides, fire truck ascending operation sites, fireproof subareas, smoke-proof subareas, refuge walkways, underground garage ramps and the like; the components of the construction engineering related to fire inspection and acceptance specifically comprise: the fire hydrant, the fire pump, the smoke extractor, the fire water pool, the fire rolling curtain, the fire window, the fire door, the fire nozzle and other component information.
In some embodiments, S3 specifically includes:
according to the BIM model information, determining communication path information between any two acceptance points;
and determining the shortest path between any two acceptance points according to the coordinates of the acceptance points and the communication path information between any two acceptance points.
In step S3, according to the fire-fighting acceptance point information generated in step S2, extracting travel path information through a preset algorithm, taking into account communication path factors such as walls, equipment and walkways in the building, generating an optimal travel path between acceptance points by using graph theory and network analysis technology, and extracting optimal travel path length information between the acceptance points; the optimal travel path, i.e., the shortest travel path information between each acceptance point, ensures the shortest acceptance route.
In this example, the extracted optimal travel path between the acceptance points includes an optimal travel path between any two acceptance points within each acceptance block. The extracted optimal travel path length information is distributed according to the acceptance blocks. And S3, specifically, calculating path information between any two acceptance points through an A-algorithm.
In some embodiments, in step S4, the ant colony algorithm generates an acceptance recommendation route, and in step S4, the ant colony algorithm considers factors such as path length and time between fire-fighting acceptance points, simulates the behavior of ants in the process of searching food, and under the action of pheromone concentration and heuristic information, the ant colony algorithm gradually generates an optimal fire-fighting acceptance route through multiple iterations through propagation and evaporation of pheromone, so that an efficient and feasible recommended acceptance route is provided for fire-fighting acceptance.
In step S4, a fire-fighting acceptance path optimization model is created according to the travel path information among the acceptance points extracted in step S3. The main thought based on the ant colony algorithm is as follows:
constructing a fire-fighting path optimization model by taking the total length of the minimum fire-fighting path as a target, wherein N fire-fighting points are extracted from fire-fighting projects in step S2, and the collection of the fire-fighting points is I; setting m ants, wherein the number of the ants is K, and the set of the ants is K; t is the moment; ρ is the pheromone volatility coefficient; n (N) cmax The maximum number of loops of the algorithm; d, d ij Representing the distance from the acceptance point i to the acceptance point j; allowed k (i) Representing a set of acceptance points that ant k next allows to select; l (L) k Fire-fighting acceptance path length for ant k to pass through;
due to the existence of the internal environment constraint of the building, the length of the optimal travel path between the fire-fighting acceptance points is used for replacing the linear distance between any fire-fighting acceptance points. And constructing a shortest distance matrix according to the length of the optimal travelling path among the fire-fighting acceptance points.
And adopting an ant colony algorithm to perform multiple state transfer and pheromone updating operations on the distance matrix, gradually approaching a feasible solution to an optimal solution through multiple iterations, so as to obtain an optimal path, wherein as shown in fig. 2, the step S4 specifically comprises the following steps:
s41, initializing parameters: let time t=0, iteration number N C =1, initial pheromone concentration τ ij (0) =c, initial pheromone increment Δτ ij (0) =0, set maximum iteration number N cmax Randomly and correspondingly placing m ants at m acceptance points one by one;
s42, an ant number k=1 is set;
s43, initializing an acceptance point set allowed of ant k k A set of all acceptance points except the starting acceptance point;
s44, according to allowed k The transition probability of each acceptance point in the series is used for selecting the next acceptance to be accepted by using the roulette methodPoint location j, updating acceptance point location set allowed of ant k k I.e. from allowed k Removing the acceptance point j;
s45, judging the aggregate allowed k Whether it is empty; with the increase of the number of acceptance points accessed by ants, the aggregate allowed k The elements in (a) also decrease continuously to 0 if allowed k If the air is empty, the process proceeds to step S46; otherwise, go to S44;
s46, judging a one-time circulation stop standard: if k=m, stopping, recording the travelling paths of M ants into a globally feasible solution set M and entering S47; otherwise, let k=k+1 go to S43;
s47, updating pheromone according to the travelling paths of m ants to enable N C ＝N C +1, go to step S42;
s48, if the iteration number is equal to the preset maximum iteration number N Cmax The algorithm terminates and outputs the optimal solution in M as the acceptance recommended route, wherein the optimal solution is the travel path with the shortest length. I.e. the judgment of algorithm stopping, if the iteration number is less than or equal to the preset maximum iteration number N Cmax Recording all solutions in the global feasible solution set M, and setting N C ＝N C +1, and proceeds to step S42; otherwise, the algorithm terminates and outputs M as the optimal solution, i.e., all optimal fire acceptance paths.
S44 transition probability P ij k The calculation formula of (t) is as follows:
wherein P is ij k (t) represents the probability that ant k is transferred from acceptance point i to acceptance point j at time t, namely the transfer probability from acceptance point i to acceptance point j; alpha represents the relative importance of the pheromone; beta represents the relative importance of the heuristic factor; τ ij (t) represents the pheromone concentration from the acceptance point i to the acceptance point j at time t; η (eta) ij Heuristic factor representing from acceptance point i to acceptance point j reflecting transfer of ants from acceptance point i to acceptance pointj heuristic degree;
the heuristic factor calculation formula is as follows:
wherein d ij Representing the length of the shortest path from acceptance point i to acceptance point j;
in S47, after all ants complete one travel path, the pheromone on each path is updated as follows:
τ ij (t+n)＝(1-ρ)*τ ij (t)+Δτ ij ；
wherein ρ is the pheromone volatilization coefficient; Δτ ij The increment of the pheromone between the acceptance point position i and the acceptance point position j in the iteration is represented; Δτ ij k Representing the amount of pheromone of the kth ant left between the acceptance point i and the acceptance point j in the iteration; q is a pheromone constant; l (L) k Is the length of the path that ant k traveled in this iteration.
The intelligent route planning method based on the BIM and the ant colony algorithm is adopted, one or more optimal routes are generated according to the actual building model and the acceptance points, and the optimal routes are provided for fire-fighting acceptance personnel to refer to. The ant colony algorithm simulates the behavior of ants when finding food, and continuously optimizes path selection through the propagation and evaporation of pheromones to finally find the shortest path, so that the ant colony algorithm is particularly suitable for processing complex path planning problems, such as fire-fighting acceptance routes in buildings. In fire acceptance route planning, the ant colony algorithm can consider a plurality of factors, such as path length, time and the like, and complex relations among fire acceptance points, so as to generate an optimal path capable of meeting various conditions. By the method, fire-fighting acceptance personnel can find the acceptance point position more quickly and can conduct inspection according to the optimal route, so that the waste of time and energy is reduced; by implementing the technical scheme of the invention, the acceptance route can be automatically planned through the BIM model and the intelligent algorithm in the fire-fighting acceptance process.
Further, the fire-fighting acceptance route planning method based on BIM further comprises the following steps:
and S5, providing navigation guidance for the acceptance process according to the acceptance recommended route.
The method specifically comprises the following steps: and prompting or re-planning navigation when the user deviates from the acceptance recommended route in the acceptance process.
And the user can acquire the position information of the user in real time through the positioning function of the intelligent equipment in the acceptance process. Based on the acceptance recommended route, the intelligent device can provide navigation guidance to help the user complete the fire-fighting acceptance task. If the user leaves the recommended route, the system can re-plan the navigation route, so that the user can smoothly reach the acceptance point to complete the acceptance task.
The positioning function of the user intelligent device is performed through a global satellite navigation system (such as a GPS) or a wireless positioning technology, so that the navigation accuracy and the real-time performance are ensured. And inertial navigation technology and landmark recognition technology are also included to provide more accurate positioning information and navigation guidance. The BIM model-based acceptance recommendation route can be synchronized into the intelligent device through the positioning function, namely, the positions in the model are synchronized into the intelligent device, and navigation can be achieved through the intelligent device according to the acceptance recommendation route. When the user deviates from the route, the route between the next check points in the route can be re-planned to navigate in real time.
The invention also provides a fire-fighting acceptance route planning device based on BIM, which is used for realizing the fire-fighting acceptance route planning method based on BIM, and can be correspondingly referred to and understood with the method, and comprises the following steps:
the information acquisition module is used for acquiring BIM model information of the building engineering;
the acceptance point position generation module is used for determining a target area and a target component which need to be subjected to fire acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component and generating an acceptance point position;
the path calculation module is used for combining the BIM model information and calculating path information between any two acceptance points;
and the route recommendation module is used for generating an acceptance recommendation route according to the acceptance points and the route information between any two acceptance points.
In a specific embodiment, as shown in fig. 1 and fig. 2, the invention provides a fire-fighting acceptance route planning method based on a BIM model, and the basic idea of the method is to automatically plan a fire-fighting acceptance route by an intelligent algorithm by using the model, so as to realize efficient, accurate and comprehensive fire-fighting acceptance. The method of the invention comprises the following steps:
step S1: acquiring BIM model information; information of the BIM model is called through an API interface, wherein the information comprises global attribute, area/area, room, component information and the like, and supplementary information can be manually added according to specific conditions of projects;
step S2: screening fire-fighting acceptance target areas and components; according to fire-fighting acceptance demands, screening target area and component information to be accepted from the BIM model, extracting center point coordinates of the acceptance target area and the component, and generating point coordinates of fire-fighting acceptance;
step S3: extracting travel path information; extracting the travelling path information among the fire-fighting acceptance points from the BIM according to the coordinates of the fire-fighting acceptance points;
step S4: generating a recommended acceptance route; and creating a fire-fighting acceptance path optimization model according to the travel path information among the acceptance points. Searching an optimal fire-fighting acceptance path based on an ant colony algorithm, so that an efficient and feasible recommended acceptance path is provided for fire-fighting acceptance;
step S5: and through the positioning function of the intelligent equipment, the position information of the user is acquired in real time, and navigation guidance is provided for the user according to the recommended acceptance route so as to complete the fire-fighting acceptance task.
According to the invention, through the steps of obtaining BIM model information, screening fire-fighting acceptance target areas and components, generating fire-fighting acceptance point position coordinates, extracting travel path information, generating recommended acceptance routes and the like, a user can accurately and real-time locate through intelligent equipment carried by the user, and intelligent fire-fighting acceptance route recommendation is performed in combination with fire-fighting acceptance demands and current project conditions, so that current construction engineering fire-fighting acceptance is assisted, acceptance efficiency is greatly improved, acceptance time is reduced, acceptance cost is reduced, workload of acceptance personnel is reduced, and omission and human subjective factor interference of fire-fighting acceptance are avoided to a certain extent.
Further, the invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the fire protection acceptance route planning method based on BIM according to any embodiment when executing the program.
Further, a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of a BIM-based fire protection acceptance route planning method according to any of the embodiments described above.
Fig. 3 illustrates a physical schematic diagram of an electronic device, as shown in fig. 3, where the electronic device may include: a processor (processor), a communication interface (Communications Interface), a memory (memory) and a communication bus, wherein the processor, the communication interface, and the memory communicate with each other via the communication bus. The processor may invoke logic instructions in the memory to perform the BIM based fire check route planning method.
Further, the logic instructions in the memory described above may be implemented in the form of software functional units and stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, are capable of performing the BIM-based fire acceptance route planning method provided by the above methods.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The fire-fighting acceptance route planning method based on BIM is characterized by comprising the following steps of:
s1, BIM model information of a building engineering is obtained;
s2, determining a target area and a target component which need fire protection acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points;
s3, calculating path information between any two acceptance points by combining the BIM model information;
s4, generating an acceptance recommended route according to the acceptance points and path information between any two of the acceptance points.
2. The fire acceptance route planning method based on BIM according to claim 1, wherein S2 specifically includes:
dividing fire protection acceptance of the building engineering into a plurality of acceptance blocks according to the BIM model information;
for a plurality of acceptance blocks, screening a target area and a target component which need to be subjected to fire protection acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component, and generating acceptance points;
correspondingly, S4 is specifically: and generating acceptance recommendation routes for the plurality of acceptance blocks respectively.
3. The BIM-based fire protection check route planning method of claim 2, wherein the check block includes a plurality of general floor plan checks, standard floor checks, refuge floor checks, roofing checks, basement checks, fire control room checks, fire pump room checks, distribution room checks, and equipment room checks.
4. The fire inspection and acceptance route planning method based on BIM according to claim 2, wherein the determining in S2 the target area and the target component to be subjected to fire inspection according to the BIM model information specifically includes:
acquiring a region and a member related to fire control acceptance of the building engineering according to the BIM model information;
screening the regions and the components related to fire acceptance for any acceptance block, and determining the regions and the components corresponding to any acceptance block as alternative regions and alternative components;
and determining the target area and the target member corresponding to any acceptance block from the candidate area and the candidate member.
5. The BIM-based fire inspection route planning method according to any one of claims 1 to 4, wherein S3 specifically includes:
according to the BIM model information, determining communication path information between any two acceptance points;
and determining the shortest path between any two acceptance points according to the coordinates of the acceptance points and the communication path information between any two acceptance points.
6. The fire protection acceptance route planning method based on BIM according to any one of claims 1 to 4, wherein in S4, the acceptance recommended route is generated by an ant colony algorithm, and S4 specifically includes:
s41, initializing parameters: let time t=0, iteration number N C =1, initial pheromone concentration τ ij (0) =c, initial pheromone increment Δτ ij (0) =0, set maximum iteration number N cmax Randomly and correspondingly placing m ants at m acceptance points one by one;
s42, an ant number k=1 is set;
s43, initializing an acceptance point set allowed of ant k k A set of all acceptance points except the starting acceptance point;
s44, according to allowed k The transition probability of each acceptance point in the test pattern is that the next acceptance point j to be accepted is selected by using a roulette method, and the acceptance point set allowed of ant k is updated k I.e. from allowed k Removing the acceptance point j;
s45, judging the aggregate allowed k Whether or not it is empty, if allowed k If the air is empty, the process proceeds to step S46; otherwise, go to S44;
s46, judging a one-time circulation stop standard: if k=m, stopping, recording the travelling paths of M ants into a globally feasible solution set M and entering S47; otherwise, let k=k+1 go to S43;
s47, updating pheromone according to the travelling paths of m ants to enable N C ＝N C +1, go to step S42;
s48, if the iteration number is equal to the preset maximum iteration number N Cmax The algorithm terminates and outputs the optimal solution in M as the acceptance recommended route, wherein the optimal solution is the travel path with the shortest length.
7. The fire acceptance route planning method based on BIM according to claim 6, wherein the transition probability P is S44 ij k The calculation formula of (t) is as follows:
wherein P is ij k (t) represents the probability that ant k is transferred from acceptance point i to acceptance point j at time t, namely the transfer probability from acceptance point i to acceptance point j; alpha represents the relative importance of the pheromone; beta represents the relative importance of the heuristic factor; τ ij (t) represents the pheromone concentration from the acceptance point i to the acceptance point j at time t; η (eta) ij A heuristic factor representing from acceptance point i to acceptance point j;
the heuristic factor calculation formula is as follows:
wherein d ij Representing the length of the shortest path from acceptance point i to acceptance point j;
in S47, after all ants complete one travel path, the pheromone on each path is updated as follows:
τ ij (t+n)＝(1-ρ)*τ ij (t)+Δτ ij ；
wherein ρ is the pheromone volatilization coefficient; Δτ ij The increment of the pheromone between the acceptance point position i and the acceptance point position j in the iteration is represented; Δτ ij k Representing the amount of pheromone of the kth ant left between the acceptance point i and the acceptance point j in the iteration; q is a pheromone constant; l (L) k Is the length of the path that ant k traveled in this iteration.
8. The BIM-based fire check route planning method of any one of claims 1-4, further comprising:
s5, providing navigation guidance for the acceptance process according to the acceptance recommended route;
and prompting or re-planning navigation when the user deviates from the acceptance recommended route in the acceptance process.
9. Fire control acceptance route planning device based on BIM, characterized by, include:
the information acquisition module is used for acquiring BIM model information of the building engineering;
the acceptance point position generation module is used for determining a target area and a target component which need to be subjected to fire acceptance according to the BIM model information, extracting center point coordinates of the target area and the target component and generating an acceptance point position;
the path calculation module is used for combining the BIM model information and calculating path information between any two acceptance points;
and the route recommendation module is used for generating an acceptance recommendation route according to the acceptance points and the route information between any two acceptance points.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, implements the steps of the BIM-based fire acceptance route planning method of any one of claims 1 to 8.
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