CN115358034A - Intelligent arrangement method and system based on BIM (building information modeling) comprehensive optimization design - Google Patents
Intelligent arrangement method and system based on BIM (building information modeling) comprehensive optimization design Download PDFInfo
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Abstract
The invention provides an intelligent arrangement method and system based on BIM (building information modeling) comprehensive optimization design, which relate to the technical field of electromechanical comprehensive arrangement, and are characterized in that an adjustment principle when BIM comprehensive optimization is constructed by taking a BIM comprehensive optimization design target as a reference, a pipeline arrangement space constraint condition is constructed based on electromechanical pipeline arrangement space characteristics, whether a current pipeline arrangement scheme meets the pipeline arrangement space constraint condition or not is judged, and if the current pipeline arrangement scheme does not meet the pipeline arrangement space constraint condition, scheme adjustment is carried out based on the adjustment principle to obtain a preset number of candidate arrangement schemes; the method has the advantages that the cost objective function is constructed to screen the scheme, the arrangement scheme with the lowest cost is obtained, the technical problems that in the detection method of the pipeline arrangement scheme in the prior art, due to the fact that the analysis process is not strict enough and auxiliary optimization of a comparison scheme is lacked, the finally determined pipeline arrangement scheme is complemented in accuracy, certain potential operation risk possibly exists, and rework adjustment is needed in the later period are solved, and accurate arrangement of actual fit of the electromechanical pipelines is achieved.
Description
Technical Field
The invention relates to the technical field of electromechanical comprehensive pipe arrangement, in particular to an intelligent arrangement method and system based on BIM comprehensive pipe optimization design.
Background
Along with the development of society, construction requirement to building engineering is higher and higher, because the increase of equipment demand makes arranging of pipeline more and more complicated, simultaneously, considering engineering's aesthetic measure and practicality, need carry out pipeline arrangement scheme design before carrying out the pipeline arrangement, arrange the construction based on the design scheme, consequently the follow-up construction standard of the degree of accuracy influencer of scheme, there may have the potential risk of application if the scheme has the deviation, the later stage need carry out the adjustment of doing over again, now, often carry out the analysis adjustment of scheme deviation through carrying out model simulation application to pipeline arrangement scheme, in order to ensure normal engineering construction, but because prior art's limitation for the analysis and detection to pipeline arrangement scheme is accurate inadequately.
In the prior art, a detection method for a commonly used pipeline arrangement scheme is lack of auxiliary optimization of a comparison scheme due to the fact that an analysis process is not strict enough, so that the accuracy of a finally determined pipeline arrangement scheme is complemented, a certain potential operation risk may exist, and rework adjustment is needed in the later period.
Disclosure of Invention
The application provides an intelligent arrangement method and system based on BIM comprehensive optimization design, which are used for solving the technical problems that in the detection method for pipeline arrangement schemes in the prior art, due to the fact that the analysis process is not strict enough and the auxiliary optimization of a contrast scheme is lacked, the accuracy of the finally determined pipeline arrangement scheme is complemented, certain potential operation risk possibly exists, and rework adjustment is needed in the later period.
In view of the above problems, the present application provides an intelligent configuration method and system based on BIM ensemble optimization design.
In a first aspect, the present application provides an intelligent arrangement method based on BIM ensemble optimization design, the method includes: acquiring a BIM comprehensive optimization design target, and constructing an adjustment principle during BIM comprehensive optimization based on the BIM comprehensive optimization design target; acquiring the arrangement space characteristics of the electromechanical pipelines, and constructing pipeline arrangement space constraint conditions based on the arrangement space characteristics of the electromechanical pipelines; obtaining a current pipeline arrangement scheme, and judging whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition; when the current pipeline arrangement scheme is not satisfied, adjusting the current pipeline arrangement scheme based on an adjusting principle during BIM comprehensive optimization, and judging the adjusting scheme by using the pipeline arrangement space constraint condition to obtain a preset number of candidate arrangement schemes; and constructing a cost objective function, and screening the arrangement scheme with the lowest cost from the candidate arrangement schemes based on the cost objective function to serve as a final output arrangement scheme.
In a second aspect, the present application provides an intelligent arrangement system based on BIM heald optimization design, the system includes: the principle building module is used for obtaining a BIM comprehensive optimization design target and building an adjusting principle during BIM comprehensive optimization based on the BIM comprehensive optimization design target; the constraint condition construction module is used for obtaining the electromechanical pipeline arrangement space characteristics and constructing pipeline arrangement space constraint conditions based on the electromechanical pipeline arrangement space characteristics; the scheme judging module is used for obtaining a current pipeline arrangement scheme and judging whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition; the scheme adjusting module is used for adjusting the current pipeline arrangement scheme based on an adjusting principle during BIM comprehensive optimization when the current pipeline arrangement scheme is not met, and judging the adjustment scheme by using the pipeline arrangement space constraint condition to obtain a preset number of candidate arrangement schemes; and the scheme screening module is used for constructing a cost objective function and screening the arrangement scheme with the lowest cost from the candidate arrangement schemes as a final output arrangement scheme based on the cost objective function.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
according to the intelligent arrangement method based on the BIM comprehensive optimization design, the adjusting principle when the BIM comprehensive optimization design target is used as a reference to construct the BIM comprehensive optimization is constructed, the pipeline arrangement space constraint condition is constructed based on the electromechanical pipeline arrangement space characteristics, whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition is judged, when the current pipeline arrangement scheme does not meet the pipeline arrangement space constraint condition, scheme adjustment is carried out based on the adjusting principle when the BIM comprehensive optimization is carried out, the pipeline arrangement space constraint condition is utilized to judge the adjusting scheme, and the preset number of candidate arrangement schemes are obtained; the method comprises the steps of constructing a cost objective function, screening an arrangement scheme with the lowest cost from the candidate arrangement schemes to serve as a final output arrangement scheme, solving the technical problems that in a detection method of the pipeline arrangement scheme in the prior art, due to the fact that an analysis process is not strict enough and auxiliary optimization of a comparison scheme is lacked, the accuracy of a finally determined pipeline arrangement scheme is complemented, certain potential operation risk possibly exists, and rework adjustment needs to be carried out in the later period, and achieving actual fit accurate arrangement of the electromechanical pipelines.
Drawings
FIG. 1 is a schematic flow chart of an intelligent configuration method based on BIM ensemble optimization design provided herein;
FIG. 2 is a schematic diagram of a process for obtaining spatial characteristics of electromechanical pipeline layout in an intelligent layout method based on BIM comprehensive optimization design provided by the present application;
fig. 3 is a schematic diagram of a candidate arrangement scheme obtaining process in an intelligent arrangement method based on BIM ensemble optimization design provided in the present application;
fig. 4 is a schematic structural diagram of an intelligent arrangement system based on BIM ensemble optimization design provided in the present application.
Description of the reference numerals: the system comprises a principle construction module 11, a constraint condition construction module 12, a scheme judgment module 13, a scheme adjustment module 14 and a scheme screening module 15.
Detailed Description
The method comprises the steps of constructing an adjusting principle during BIM ensemble optimization by taking a BIM ensemble optimization design target as a reference, constructing a pipeline arrangement space constraint condition based on electromechanical pipeline arrangement space characteristics, judging whether a current pipeline arrangement scheme meets the pipeline arrangement space constraint condition, and if not, carrying out scheme adjustment based on the adjusting principle to obtain a preset number of candidate arrangement schemes; the method is used for solving the technical problems that in the detection method of the pipeline arrangement scheme in the prior art, due to the fact that an analysis flow is not strict enough and auxiliary optimization of a comparison scheme is lacked, the accuracy of the finally determined pipeline arrangement scheme is complemented, certain potential operation risk possibly exists, and rework adjustment is needed in the later period.
Example one
As shown in fig. 1, the present application provides an intelligent arrangement method based on BIM ensemble optimization design, the method includes:
step S100: acquiring a BIM comprehensive optimization design target, and constructing an adjustment principle during BIM comprehensive optimization based on the BIM comprehensive optimization design target;
specifically, according to the intelligent arrangement method based on the BIM comprehensive optimization design, the current various pipeline arrangement schemes are optimized and adjusted to obtain the pipeline arrangement scheme with the best adaptability to actual requirements, so that a construction unit and project personnel can be effectively prevented from timely correcting various potential problems such as pipeline collision in the construction process, repeated correction and rework of a project are avoided, and the loss of the project amount is reduced.
Further, based on the adjustment principle when building the BIM heald optimization by the BIM heald optimization design target, step S100 of the present application further includes:
step S110: performing target parameter composition analysis based on the BIM comprehensive optimization design target, and determining target description parameters;
step S120: respectively extracting the characteristics of the target description parameters corresponding to the BIM comprehensive optimization design targets to obtain target parameter characteristics;
step S130: constructing each target fitness function according to the target value of each BIM comprehensive optimization design target and the corresponding target parameter characteristics;
step S140: and obtaining an adjusting principle during BIM comprehensive optimization based on all target fitness functions.
Specifically, the BIM pipe comprehensive optimization design target is obtained, a composition analysis of a target parameter is performed by taking the BIM pipe comprehensive optimization design target as a reference, the target parameter refers to a parameter for expressing pipeline arrangement, such as a pipeline position parameter, an arrangement parameter and the like, the target description parameter is determined by taking the target parameter as an analysis standard, the target description parameter refers to parameter data for describing a specific condition of the target parameter, such as a specific type of pipeline collision, pipeline position overlap or pipeline collision caused by pipeline strike conflict and the like, the target description parameter corresponding to each BIM pipe comprehensive optimization design target is further subjected to multi-angle analysis, analysis accuracy can be effectively improved, recognition deviation caused by visual error is avoided, and feature extraction is further performed to obtain a target parameter feature, the target parameter feature refers to a specific data feature shown by the target parameter, exemplarily, a specific overlapping manner, an overlapping pipeline number, a pipeline type and the pipeline type when pipeline positions overlap and the like; the number of conflicting pipelines, the degree of conflict, etc. when the pipelines run into conflict.
Further, with the target value of each BIM comprehensive optimization design target with target parameter characteristic as the benchmark, based on the corresponding relation between target requirement and the target parameter construct each target fitness function, wherein, the target value of BIM comprehensive optimization design target with target parameter characteristic is corresponding, exemplarily, when the target requirement is the cost minimum requirement, corresponding target fitness function is the target minimum function, whether further carry out fitness calculation satisfies the target, the higher the fitness is, the higher the expression target satisfaction is, the closer to the target requirement, regard it as subsequent optimization standard, carry out the integration processing to all target fitness functions confirmed, as adjustment principle when BIM comprehensive optimization, through carrying out parameter characteristic analysis and fitness function's construction, make final definite the adjustment principle more objective.
Step S200: obtaining the spatial characteristics of the electromechanical pipeline arrangement, and constructing a pipeline arrangement spatial constraint condition based on the spatial characteristics of the electromechanical pipeline arrangement;
specifically, the spatial arrangement characteristics of the electromechanical pipelines are obtained, the spatial arrangement characteristics refer to the spatial arrangement requirements of different types of pipelines when the pipelines are arranged, for example, air pipes and other gas pipelines are arranged above, liquid pipelines are arranged below, high-pressure pipelines are arranged above and low-pressure pipelines, and maintenance spaces and the like are reserved for the pipelines which need to be frequently maintained.
Further, as shown in fig. 2, in order to obtain the spatial arrangement characteristic of the electromechanical pipeline, step S200 of the present application further includes:
step S210-1: reading the arrangement position of the electromechanical pipelines through a BIM model;
step S220-1: marking a connecting space according to the arrangement position of the electromechanical pipeline, and determining a marking position;
step S230-1: based on the marking position, extracting a spatial structure and a spatial dimension of the marking position through a BIM (building information modeling);
step S240-1: and extracting structural space characteristics and size space characteristics according to the marked position space structure and the marked position space size to obtain the electromechanical pipeline arrangement space characteristics.
Specifically, based on the BIM model reads the electromechanical pipeline arrangement position, the BIM model is a virtual model of a pipeline arrangement space architecture of a constructed target project, the virtual model is matched with the current situation of an actual project, exemplarily, a space coordinate system can be constructed based on the pipeline arrangement space to determine the pipeline arrangement position, based on the electromechanical pipeline arrangement position, a connection space marking is performed, namely, the spatial position through which a pipeline passes can be marked based on different serial numbers, so that the pipeline can be identified and distinguished, and further classified, integrated and determined, the marking position is taken as a reference, according to the BIM model, the marking position spatial structure and the marking position spatial dimension are extracted, the marking position spatial dimension is a specific spatial layout of the position point, structural spatial feature extraction is performed on the marking position spatial structure, such as wall design situation, material and the like, whether the pipeline arrangement is suitable for being performed, whether the pipeline arrangement is forcibly performed, whether the forced arrangement causes potential risks and the like, the marking position spatial dimension refers to the interval area of the space, the size spatial feature extraction is performed, such as shape, thickness, height, corner integration, corner and the like, whether the layout influence on the spatial arrangement difficulty of the pipeline is limited, and the structural spatial arrangement difficulty of the pipeline can be increased through analysis of the pipeline arrangement space information, and the pipeline arrangement accuracy can be improved through the finally, the pipeline arrangement of the pipeline can be obtained through the model.
Further, based on the electromechanical pipeline arrangement spatial features, a pipeline arrangement spatial constraint condition is constructed, and step S200 of the present application further includes:
step S210-2: extracting constraint characteristics according to the structural space characteristics to obtain a constraint relation between the structural space constraint characteristics and a wiring scheme;
step S220-2: extracting constraint characteristics according to the dimension space characteristics to obtain the constraint relation between the dimension space constraint characteristics and a wiring scheme;
step S230-2: obtaining a historical wiring scheme information set, carrying out structural space constraint characteristic and size space constraint characteristic on the historical wiring scheme information set, carrying out constraint influence ratio analysis, and determining constraint characteristic influence weight;
step S240-2: and constructing the pipeline arrangement space constraint condition according to the constraint characteristic influence weight, the constraint relation between the structural space constraint characteristic and the wiring scheme, and the constraint relation between the size space constraint characteristic and the wiring scheme.
Specifically, the structure space feature and the dimension space feature are obtained by performing feature extraction on the labeled position space structure and the labeled position space dimension, constraint feature extraction is performed based on the structure space feature, for example, when the structure space feature crosses a wall body, a surrounding arrangement is required for arranging barriers such as doors and windows, a plurality of pipeline arrangement constraint features are obtained to limit the wiring scheme, a constraint relation between the structure space constraint feature and the wiring scheme is determined, similarly, constraint feature extraction is performed based on the dimension space feature, for example, when wiring is performed, due to the limitation of the dimension of the wall body, the crossing of the wall body or vertical penetration, the trend and inflection points of pipelines are determined, a plurality of pipeline arrangement constraint features are obtained to limit the wiring scheme, and the constraint relation between the dimension space constraint feature and the wiring scheme is determined.
Further, the historical wiring scheme information set is obtained, the historical wiring scheme information set refers to wiring scheme information which has been used in a past preset time period based on big data collection, and based on the historical wiring scheme information, feature constraint influence analysis is performed on the structural space constraint feature and the size space constraint feature, wherein the larger the influence degree and the higher the influence ratio of the constraint feature on the wiring scheme are, the larger the influence weight value of the constraint feature is, the constraint feature influence weight is obtained.
Step S300: obtaining a current pipeline arrangement scheme, and judging whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition;
step S400: when the current pipeline arrangement scheme is not satisfied, adjusting the current pipeline arrangement scheme based on an adjustment principle during BIM comprehensive optimization, and judging the adjustment scheme by using the pipeline arrangement space constraint condition to obtain a preset number of candidate arrangement schemes;
specifically, a current pipeline arrangement scheme is collected, the current pipeline arrangement scheme refers to a pipeline arrangement scheme designed based on actual engineering information and an arrangement space, the current pipeline arrangement scheme is gradually analyzed and judged based on a pipeline arrangement space constraint condition, whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition is determined, when the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition, the current pipeline arrangement scheme can be determined to be a final pipeline arrangement scheme, when the current pipeline arrangement scheme does not meet the pipeline arrangement space constraint condition, the current pipeline arrangement scheme is subjected to diversified adjustment combination by taking an adjustment principle during BIM comprehensive optimization as a reference, a plurality of adjustment schemes are obtained, whether the adjustment schemes meet the pipeline arrangement space constraint condition is further determined, the adjustment schemes meeting the pipeline arrangement space constraint condition are obtained, whether the preset number is met is determined, the preset number is a number standard for limiting candidate arrangement schemes, when the adjustment schemes are larger than the preset number, scheme optimization judgment is performed on the adjustment schemes meeting the pipeline arrangement space constraint condition, scheme searching is further performed, and the number of the adjustment schemes is obtained as a screening scheme of the candidate arrangement schemes.
Step S500: and constructing a cost objective function, and screening the arrangement scheme with the lowest cost from the candidate arrangement schemes based on the cost objective function to serve as a final output arrangement scheme.
Specifically, the cost objective function is constructed based on an actual engineering space frame, the cost objective function is a function for calculating the engineering cost of the candidate arrangement schemes, the cost objective function is set as a cost minimum requirement, the candidate arrangement schemes are calculated based on the cost objective function respectively, the working condition cost of each candidate arrangement scheme is determined, scheme screening is performed based on a target minimum principle, the arrangement scheme with the lowest cost in the candidate arrangement schemes is determined and is used as the finally determined pipeline arrangement scheme, the optimal pipeline arrangement scheme which is consistent with the actual working condition and has the lowest cost can be determined by performing adjustment optimization and iterative screening of the current pipeline arrangement scheme, and subsequent pipeline arrangement construction is performed based on the optimal pipeline arrangement scheme.
Further, as shown in fig. 3, adjusting the current pipeline arrangement scheme based on the adjustment principle during BIM ensemble optimization, and determining the adjustment scheme by using the constraint condition of pipeline arrangement space to obtain a preset number of candidate arrangement schemes, in which step S400 further includes:
step S410: based on the adjustment principle during BIM comprehensive optimization, respectively adjusting and combining the current pipeline arrangement scheme by using each adjustment principle to obtain an adjustment scheme set;
step S420: judging the adjustment scheme set by using the pipeline arrangement space constraint condition to obtain an arrangement scheme meeting the constraint condition;
step S430: judging whether the arrangement scheme meeting the constraint condition meets a preset number or not;
step S440: when satisfied, the satisfying constraint condition assignment is taken as the candidate assignment.
Specifically, the adjusting principles when performing BIM ensemble optimization based on the BIM ensemble optimization design target are constructed, each adjusting principle is used as a reference to perform adjustment and combination on the current pipeline arrangement scheme, for example, for the same pipeline arrangement defect, adjustment can be performed in multiple ways, pipeline surrounding, internal line, external line and the like, multiple adjusting schemes which meet the adjusting principles and have differences are obtained to serve as the adjusting scheme set, whether the adjusting scheme set meets the pipeline arrangement space constraint condition is further judged, the adjusting schemes which do not meet the pipeline arrangement space constraint condition are screened and excluded, the arrangement scheme which meets the pipeline arrangement space constraint condition is obtained, analysis data amount is reduced by performing scheme adjustment and screening, whether the arrangement scheme which meets the constraint condition meets the preset number is further judged, the preset number indicates that the minimum number of schemes which meet the constraint condition arrangement scheme is limited, for example, the preset number is set to 10, and finally, scheme optimization is performed on the scheme which meets the requirement to determine a final candidate output scheme, the more the arrangement scheme which meets the constraint condition indicates that the space which can be subsequently adjusted is larger, and when the arrangement scheme which meets the constraint condition is larger than the preset number is larger, the candidate output scheme which meets the arrangement constraint condition is determined.
Further, after determining whether the constraint condition satisfying arrangement scheme satisfies the preset number, step S430 of the present application further includes:
step S431: when the distribution scheme is not satisfied, if the number of the distribution schemes satisfying the constraint conditions is smaller than the preset number, inputting the distribution schemes satisfying the constraint conditions into a BIM (building information modeling) model for scheme simulation, and adjusting the parameters of the wiring scheme according to a scheme simulation picture and based on the pipeline distribution space constraint conditions to obtain a simulation adjustment scheme and add the simulation adjustment scheme into the distribution schemes satisfying the constraint conditions;
step S432: and if the configuration schemes meeting the constraint conditions and added with the simulation adjustment scheme still do not meet the preset number, taking the configuration schemes meeting the constraint conditions and in the current number as the candidate configuration schemes.
Specifically, whether the constraint condition-satisfying configuration scheme meets the preset number is judged, when the constraint condition-satisfying configuration scheme does not meet the preset number, that is, when the constraint condition-satisfying configuration scheme number is smaller than the preset number, it indicates that the candidate configuration scheme is few and the accuracy of optimization of subsequent schemes cannot be guaranteed, the constraint condition-satisfying configuration scheme is input into the BIM model, live operation configuration simulation is performed on a plurality of schemes, a scheme simulation picture is obtained, multiple trial adjustment of a wiring scheme is further performed based on the pipeline configuration space constraint condition, a qualified pipeline adjustment scheme meeting the standard is obtained, due to adjustment performed on the basis of the current scheme, the scheme adjustment result may have local optimality, partial parameter correction can be performed through the process of model simulation, other qualified schemes are obtained through simulation adjustment, if the qualified schemes are added into the constraint condition-satisfying configuration scheme, candidate scheme complement is performed, whether the constraint condition-satisfying configuration scheme meeting the preset number after the simulation adjustment scheme is further judged, and when the constraint condition-satisfying configuration scheme does not meet the preset number, the qualified scheme does not meet the number of the constraint condition-satisfying configuration scheme, the screening requirement is used as the candidate configuration scheme.
Further, step S440 of the present application further includes:
step S441: if the number of the configuration schemes meeting the constraint conditions is larger than the preset number, optimizing the configuration schemes meeting the constraint conditions according to the preset number by using an optimizing algorithm, and determining the optimizing schemes meeting the preset number to serve as the candidate configuration schemes.
Further, the optimizing algorithm is used to perform optimizing calculation on the arrangement schemes meeting the constraint conditions according to the preset number, and the optimizing schemes meeting the preset number are determined, where step S441 in this application further includes:
step S4411: randomly selecting two schemes from the arrangement schemes meeting the constraint conditions, and evaluating the fitness by utilizing an adjustment principle during BIM comprehensive optimization to obtain the fitness of each of the two schemes;
step S4412: selecting a scheme with high fitness as a first optimization searching scheme, randomly selecting one scheme from the rest arrangement schemes meeting the constraint conditions, evaluating the fitness with the first optimization searching scheme, selecting the scheme with high fitness as the current optimal scheme, continuously iterating, and adding a discrimination formula if the current optimal times of the first optimization searching scheme exceeds the preset number
Probability discrimination is carried out, wherein the fitness of the first optimizing scheme is w 1 The fitness of the current comparison scheme is w 2 E is a natural logarithm, k is a constant;
step S4413: if P is larger than the random number in the interval of [0, 1), taking the current comparison scheme as the current optimal strategy, and if not, taking the first optimization scheme as the current optimal scheme;
step S4414: and repeating iteration until the optimization stopping condition is reached, and screening a preset number of schemes from all current optimal schemes as the candidate arrangement schemes.
Specifically speaking, whether the quantity of the constraint condition arrangement scheme is larger than the preset quantity is judged, when the quantity is larger than the preset quantity, the scheme optimization calculation needs to be carried out on the constraint condition arrangement scheme, then the two schemes are randomly extracted from the constraint condition arrangement scheme, the adaptability evaluation of the scheme is carried out based on the adjusting principle during the BIM comprehensive optimization, the principle adaptation degrees of the two schemes are determined, the adaptability of the two schemes is obtained, the principle adaptation degree is higher, the higher the adaptability of the scheme is shown, the more conformity with the actual construction situation is achieved, the adaptability comparison is carried out on the two schemes, the scheme with the higher adaptability is determined to be the current optimal scheme, and the scheme is taken as the first optimization searching scheme.
Further, randomly extracting a scheme from the rest schemes meeting the constraint condition arrangement scheme again, determining the scheme fitness based on an adjustment principle, further comparing the scheme fitness with the first optimization searching scheme, determining the scheme with higher fitness as the current optimal scheme, performing scheme iteration, and if the times of the first optimization searching scheme as the current optimal exceeds the preset number, performing iteration based on a discrimination formula
Carrying out scheme optimization probability calculation, wherein the first optimization scheme fitness is w 1 The fitness of the current comparison scheme is w 2 E is a natural logarithm, k is a constant, P is calculated to determine an optimization probability, if P is a random number larger than the interval [0, 1), the current comparison scheme is used as a current optimal strategy, if not, the first optimization scheme is used as a current optimal scheme, scheme optimization is carried out through a reference simulated annealing algorithm, local optimization caused by parameter instability in the initial optimization process of the scheme can be avoided, the optimization result is influenced, the optimization iteration operation is repeated, the scheme optimization operation is stopped until the optimization stopping condition is reached, for example, a preset optimization number can be set as the optimization stopping condition, a plurality of current optimal schemes are obtained, a scheme with a preset number is selected from all the current optimal schemes as the candidate arrangement scheme, and the optimization of the candidate arrangement scheme can be guaranteed through scheme optimization screening.
Example two
Based on the same inventive concept as the intelligent configuration method based on the BIM heald optimization design in the foregoing embodiment, as shown in fig. 4, the present application provides an intelligent configuration system based on the BIM heald optimization design, the system includes:
the principle building module 11 is used for obtaining a BIM comprehensive optimization design target and building an adjustment principle during BIM comprehensive optimization based on the BIM comprehensive optimization design target;
the constraint condition construction module 12 is used for obtaining the electromechanical pipeline arrangement space characteristics, and constructing pipeline arrangement space constraint conditions based on the electromechanical pipeline arrangement space characteristics;
a scheme judging module 13, where the scheme judging module 13 is configured to obtain a current pipeline arrangement scheme, and judge whether the current pipeline arrangement scheme satisfies the pipeline arrangement space constraint condition;
a plan adjusting module 14, where the plan adjusting module 14 is configured to, when the plan is not satisfied, adjust the current pipeline arrangement plan based on an adjustment principle in the BIM comprehensive optimization, and determine the adjustment plan by using the pipeline arrangement space constraint condition, so as to obtain a preset number of candidate arrangement plans;
and the scheme screening module 15 is configured to construct a cost objective function, and screen an arrangement scheme with the lowest cost from the candidate arrangement schemes based on the cost objective function as a final output arrangement scheme.
Further, the system further comprises:
the parameter determination module is used for carrying out target parameter composition analysis based on the BIM comprehensive optimization design target and determining target description parameters;
the characteristic extraction module is used for respectively extracting the characteristics of the target description parameters corresponding to the BIM comprehensive optimization design targets to obtain target parameter characteristics;
the function construction module is used for constructing each target fitness function according to the target value and the corresponding target parameter characteristic of each BIM comprehensive optimization design target;
and the adjustment principle acquisition module is used for acquiring the adjustment principle during the BIM comprehensive optimization based on all target fitness functions.
Further, the system further comprises:
the position reading module is used for reading the arrangement position of the electromechanical pipelines through the BIM model;
the position determining module is used for marking a connecting space according to the arrangement position of the electromechanical pipelines and determining a marking position;
the structure size extraction module is used for extracting a spatial structure and a spatial size of a marked position through a BIM (building information modeling) based on the marked position;
and the characteristic acquisition module is used for extracting structural space characteristics and size space characteristics according to the marked position space structure and the marked position space size to obtain the electromechanical pipeline arrangement space characteristics.
Further, the system further comprises:
the structure constraint relation acquisition module is used for extracting constraint characteristics according to the structure space characteristics to obtain the constraint relation between the structure space constraint characteristics and the wiring scheme;
the size constraint relation acquisition module is used for extracting constraint characteristics according to the size space characteristics to obtain the constraint relation between the size space constraint characteristics and a wiring scheme;
the weight analysis module is used for obtaining a historical wiring scheme information set, carrying out constraint influence ratio analysis on the structural space constraint characteristic and the size space constraint characteristic of the historical wiring scheme information set and determining the constraint characteristic influence weight;
and the space constraint condition construction module is used for constructing the pipeline arrangement space constraint condition according to the constraint characteristic influence weight, the constraint relation between the structural space constraint characteristic and the wiring scheme and the constraint relation between the size space constraint characteristic and the wiring scheme.
Further, the system further comprises:
the scheme adjusting and combining module is used for adjusting and combining the current pipeline arrangement scheme by utilizing each adjusting principle based on the adjusting principle during BIM comprehensive optimization to obtain an adjusting scheme set;
the condition limiting module is used for judging the adjusting scheme set by using the pipeline arrangement space constraint condition to obtain an arrangement scheme meeting the constraint condition;
the arrangement scheme judging module is used for judging whether the arrangement schemes meeting the constraint conditions meet the preset number;
a candidate determination module for, when satisfied, taking the satisfying constraint assignment as the candidate assignment.
Further, the system further comprises:
the scheme simulation adjusting module is used for inputting the arrangement schemes meeting the constraint conditions into a BIM (building information modeling) model for scheme simulation if the number of the arrangement schemes meeting the constraint conditions is smaller than the preset number when the arrangement schemes do not meet the constraint conditions, and performing wiring scheme parameter adjustment based on the pipeline arrangement space constraint conditions according to scheme simulation pictures to obtain simulation adjusting schemes and add the simulation adjusting schemes into the arrangement schemes meeting the constraint conditions;
and the scheme acquisition module is used for taking the constraint condition-meeting arrangement schemes of the current number as the candidate arrangement schemes if the constraint condition-meeting arrangement schemes after the simulation adjustment scheme is added do not meet the preset number.
Further, the system further comprises:
and the scheme optimizing calculation module is used for performing optimizing calculation on the arrangement schemes meeting the constraint conditions according to the preset number by utilizing an optimizing algorithm if the number of the arrangement schemes meeting the constraint conditions is greater than the preset number, and determining the optimizing schemes meeting the preset number to serve as the candidate arrangement schemes.
Further, the system further comprises:
the system comprises a scheme fitness evaluation module, a constraint condition configuration module and a constraint condition configuration module, wherein the scheme fitness evaluation module is used for randomly selecting two schemes from the arrangement schemes meeting the constraint condition, and performing fitness evaluation by using an adjustment principle during BIM comprehensive optimization to obtain the fitness of the two schemes respectively;
the scheme iteration module is used for selecting a scheme with high adaptability as a first optimization searching scheme, randomly selecting one scheme from the rest arrangement schemes meeting the constraint conditions, evaluating the adaptability with the first optimization searching scheme, selecting the scheme with high adaptability as the current optimal scheme, continuously iterating, and adding a discrimination formula if the current optimal times of the first optimization searching scheme exceeds a preset number
Carrying out probability discrimination, wherein the fitness of the first optimizing scheme is w 1 The fitness of the current comparison scheme is w 2 E is a natural logarithm, k is a constant;
an optimal scheme determining module, configured to, if P is greater than the random number in the interval [0, 1), take the current comparison scheme as the current optimal policy, and if not, take the first optimization scheme as the current optimal scheme;
and the candidate arrangement scheme acquisition module is used for repeating iteration until an optimization stop condition is reached, and screening a preset number of schemes from all current optimal schemes as the candidate arrangement schemes.
In the present specification, through the foregoing detailed description of the intelligent layout method based on the BIM heald optimization design, those skilled in the art can clearly know that the intelligent layout method and system based on the BIM heald optimization design in the present embodiment, for the apparatus disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the relevant part, refer to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An intelligent arrangement method based on BIM comprehensive optimization design is characterized by comprising the following steps:
acquiring a BIM comprehensive optimization design target, and constructing an adjustment principle during BIM comprehensive optimization based on the BIM comprehensive optimization design target;
acquiring the arrangement space characteristics of the electromechanical pipelines, and constructing pipeline arrangement space constraint conditions based on the arrangement space characteristics of the electromechanical pipelines;
obtaining a current pipeline arrangement scheme, and judging whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition or not;
when the current pipeline arrangement scheme is not satisfied, adjusting the current pipeline arrangement scheme based on an adjusting principle during BIM comprehensive optimization, and judging the adjusting scheme by using the pipeline arrangement space constraint condition to obtain a preset number of candidate arrangement schemes;
and constructing a cost objective function, and screening the arrangement scheme with the lowest cost from the candidate arrangement schemes based on the cost objective function to serve as a final output arrangement scheme.
2. The method of claim 1, wherein constructing the adjustment rules for BIM ensemble optimization based on the BIM ensemble optimization design objective comprises:
performing target parameter composition analysis based on the BIM comprehensive optimization design target, and determining target description parameters;
respectively extracting the characteristics of the target description parameters corresponding to the BIM comprehensive optimization design targets to obtain target parameter characteristics;
constructing each target fitness function according to the target value of each BIM comprehensive optimization design target and the corresponding target parameter characteristics;
and obtaining an adjusting principle during the BIM comprehensive optimization based on all target fitness functions.
3. The method of claim 1, wherein obtaining the electromechanical pipeline routing spatial signature comprises:
reading the arrangement position of the electromechanical pipelines through a BIM model;
marking a connecting space according to the arrangement position of the electromechanical pipeline, and determining a marking position;
based on the marking position, extracting a spatial structure and a spatial dimension of the marking position through a BIM (building information modeling);
and extracting structure space characteristics and size space characteristics according to the marked position space structure and the marked position space size to obtain the electromechanical pipeline arrangement space characteristics.
4. The method of claim 3, wherein constructing a pipeline configuration spatial constraint based on the electromechanical pipeline configuration spatial signature comprises:
extracting constraint characteristics according to the structural space characteristics to obtain a constraint relation between the structural space constraint characteristics and a wiring scheme;
extracting constraint characteristics according to the dimension space characteristics to obtain a constraint relation between the dimension space constraint characteristics and a wiring scheme;
obtaining a historical wiring scheme information set, carrying out structural space constraint characteristic and size space constraint characteristic on the historical wiring scheme information set, carrying out constraint influence ratio analysis, and determining constraint characteristic influence weight;
and constructing the pipeline arrangement space constraint condition according to the constraint characteristic influence weight, the constraint relation between the structural space constraint characteristic and the wiring scheme, and the constraint relation between the size space constraint characteristic and the wiring scheme.
5. The method of claim 1, wherein adjusting the current pipeline arrangement scheme based on an adjustment principle during the BIM ensemble optimization, and determining the adjustment scheme by using the pipeline arrangement space constraint condition to obtain a predetermined number of candidate arrangement schemes comprises:
based on the adjustment principle during BIM comprehensive optimization, respectively adjusting and combining the current pipeline arrangement scheme by using each adjustment principle to obtain an adjustment scheme set;
judging the adjustment scheme set by using the pipeline arrangement space constraint condition to obtain an arrangement scheme meeting the constraint condition;
judging whether the arrangement scheme meeting the constraint condition meets a preset number or not;
when satisfied, the satisfying constraint condition assignment is taken as the candidate assignment.
6. The method of claim 5, wherein determining whether the constraint-satisfying configuration scheme satisfies a predetermined number comprises:
when the distribution schemes do not meet the requirements, if the number of the distribution schemes meeting the requirements is smaller than the preset number, inputting the distribution schemes meeting the requirements into a BIM (building information modeling) model for scheme simulation, and performing wiring scheme parameter adjustment according to scheme simulation pictures and on the basis of the pipeline distribution space constraints to obtain simulation adjustment schemes and add the simulation adjustment schemes into the distribution schemes meeting the requirements;
and if the configuration schemes meeting the constraint conditions and added with the simulation adjustment scheme still do not meet the preset number, taking the configuration schemes meeting the constraint conditions and in the current number as the candidate configuration schemes.
7. The method of claim 6, wherein the method further comprises:
if the number of the configuration schemes meeting the constraint conditions is larger than the preset number, optimizing the configuration schemes meeting the constraint conditions according to the preset number by using an optimizing algorithm, and determining the optimizing schemes meeting the preset number to serve as the candidate configuration schemes.
8. The method as claimed in claim 7, wherein said determining the optimal solution satisfying the predetermined number by using the optimal algorithm to perform optimal calculation on the constraint enforcement satisfying the predetermined number comprises:
randomly selecting two schemes from the arrangement schemes meeting the constraint conditions, and evaluating the fitness by utilizing an adjustment principle during BIM comprehensive optimization to obtain the fitness of each of the two schemes;
selecting a scheme with high fitness as a first optimization searching scheme, randomly selecting one scheme from the rest arrangement schemes meeting the constraint conditions, evaluating the fitness with the first optimization searching scheme, selecting the scheme with high fitness as the current optimal scheme, continuously iterating, and adding a discrimination formula if the current optimal times of the first optimization searching scheme exceeds the preset number
Carrying out probability discrimination, wherein the fitness of the first optimizing scheme is w 1 The fitness of the current comparison scheme is w 2 E is a natural logarithm, k is a constant;
if P is larger than the random number in the interval of [0, 1), taking the current comparison scheme as the current optimal strategy, and if not, taking the first optimization scheme as the current optimal scheme;
and repeating iteration until the optimization stopping condition is reached, and screening a preset number of schemes from all current optimal schemes as the candidate arrangement schemes.
9. An intelligent arrangement system based on BIM comprehensive optimization design, which is characterized by comprising:
the principle building module is used for obtaining a BIM comprehensive optimization design target and building an adjusting principle during BIM comprehensive optimization based on the BIM comprehensive optimization design target;
the constraint condition construction module is used for obtaining the arrangement space characteristics of the electromechanical pipelines and constructing pipeline arrangement space constraint conditions based on the arrangement space characteristics of the electromechanical pipelines;
the scheme judging module is used for obtaining a current pipeline arrangement scheme and judging whether the current pipeline arrangement scheme meets the pipeline arrangement space constraint condition;
the scheme adjusting module is used for adjusting the current pipeline arrangement scheme based on an adjusting principle during BIM comprehensive optimization when the current pipeline arrangement scheme is not met, and judging the adjustment scheme by using the pipeline arrangement space constraint condition to obtain a preset number of candidate arrangement schemes;
and the scheme screening module is used for constructing a cost objective function and screening the arrangement scheme with the lowest cost from the candidate arrangement schemes as a final output arrangement scheme based on the cost objective function.
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