CN115689222A - Material scheduling method and construction site material management system based on Internet of things - Google Patents

Material scheduling method and construction site material management system based on Internet of things Download PDF

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CN115689222A
CN115689222A CN202211378088.1A CN202211378088A CN115689222A CN 115689222 A CN115689222 A CN 115689222A CN 202211378088 A CN202211378088 A CN 202211378088A CN 115689222 A CN115689222 A CN 115689222A
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邵振华
黄欢
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Minjiang University
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Minjiang University
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Abstract

The invention discloses a material scheduling method and a construction site material management system based on the Internet of things, wherein the material inventory condition and construction site project information are skillfully closely related to realize accurate monitoring and evaluation of the material use condition, meanwhile, a material quotation monitoring mechanism is introduced, and a material purchasing suggestion is output by combining the material inventory information, so that a construction site material management department can comprehensively judge whether material purchasing is needed or not according to the predicted material price, the inventory of the remaining materials in the current time and the materials which can be constructed and need to be used in a predicted future time period.

Description

Material scheduling method and construction site material management system based on Internet of things
Technical Field
The invention relates to the field of a construction site material scheduling technology and a use monitoring technology, in particular to a material scheduling method and a construction site material management system based on the Internet of things.
Background
On-the-spot as the building construction of building site, it has not only laid a large amount of construction equipment, and simultaneously, still has certain construction material function of keeping in concurrently, because the place of building site is spacious degree different, consequently, the material management of different building sites also has certain difference, to some building sites that the construction plan progress is fast, length is spacious, it can reserve relatively more material for the on-the-spot needs of construction at any time, and to some building sites that the storage place is not sufficient spacious, how to optimize the material scheduling, it is the topic that has realistic meaning very much to adjust in time the stock according to the actual construction condition.
With the wide application of material network equipment and technology, there are currently relevant documents disclosing the application of internet of things technology to a worksite to implement an intelligent worksite solution, such as: for example, chinese patent application CN202011416102.3 discloses a scheme for providing intelligence to material distribution by establishing a neural network, and chinese patent application CN202110033016.2 also discloses a scheme for monitoring materials and construction sites by using internet of things, however, these schemes are often based on threshold prediction or calculation to provide prediction of material exhaustion or reaching criticality, while monitoring the material usage of a construction site by using internet of things, a scheme for providing further reference to material stock by using material price quotations under combination is not available at present, if the material price quotations can be combined with material scheduling, effective reference is provided for construction site stock, and thus, the method has positive practical significance in terms of material stock flexibility and construction project cost optimization.
Disclosure of Invention
In view of the above, the invention aims to provide a material scheduling method which is reliable in implementation, rapid in scheduling response and good in information reference and can actively assist in optimizing construction material cost, and a construction site material management system based on the internet of things.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a building site material management system based on the Internet of things comprises:
the system comprises a server module, a construction management module and a construction management module, wherein the server module is used for storing construction site project information, construction logs and material inventory information, and the construction site project information at least comprises project construction period information, project plan material use information, construction schedule plan, material use plan, construction progress information and material use condition information;
the material scheduling module is connected with the server module and is used for acquiring the construction schedule plan and the material inventory information, and scheduling the materials according to the construction schedule plan and the material inventory information and conveying the materials to a construction site;
the construction monitoring module is connected with the server module and used for acquiring construction progress and material use conditions, generating construction progress information and construction logs, matching the construction logs with a construction schedule plan and outputting construction condition information according to preset conditions;
the inventory updating module is respectively connected with the server module and the construction monitoring module and is used for acquiring the material using condition and updating the material inventory information according to the preset time frequency;
the material monitoring module is respectively connected with the server module and the construction monitoring module and is used for acquiring material inventory information and material use conditions, and generating material abnormal information, material allocation information and material purchase application information according to preset conditions by combining a construction schedule plan and construction progress information;
and the price monitoring module is connected with the server module and is used for acquiring price information of the construction materials according to preset time frequency and outputting material purchasing suggestions according to preset conditions by combining material inventory information.
As a possible implementation manner, further, the construction site project information further includes model data when the building is completed and material stacking area information when the building is constructed.
As a preferred alternative, the present solution preferably further comprises:
the image monitoring modules are distributed on a construction site of a construction site and used for collecting images of the construction site, and the image capturing ranges of the image monitoring modules cover a construction area of the construction site;
the image processing module is used for acquiring the construction site images acquired by the image monitoring module, and positioning and identifying the content of the images according to preset conditions to acquire the building outline and the material outline stacked in a specified area;
the digital twin construction module is used for establishing a data model corresponding to the building outline and the outline of the material stacked in the designated area and visually outputting the data model; meanwhile, a corresponding digital model is established according to model data when the building is finished.
As a possible implementation, the present solution further includes:
and the weather monitoring module is connected with the server module and the material scheduling module, and is used for acquiring weather information within a preset time length, feeding back material scheduling suggestion information to the material scheduling module according to the preset condition and the weather information, and controlling the amount of scheduling of the material to a construction site within a single time or the preset time length by the material scheduling module according to the preset condition and the material scheduling suggestion information.
Based on the above, the present invention further provides a material scheduling method, which includes:
building a database in a server module, and storing construction site project information, construction logs and material inventory information, wherein the construction site project information at least comprises project construction period information, project plan material use information, construction schedule plan, material use plan, construction progress information and material use condition information, and the construction schedule plan comprises the construction amount finished by the current day plan and the material use amount of the current day plan;
acquiring a construction schedule plan and material inventory information according to preset conditions, and calling and conveying materials to a construction site according to the construction schedule plan and the material inventory information;
the constructor feeds back the construction progress, the material usage amount and the re-warehousing amount according to preset conditions to generate the material usage condition;
acquiring the use condition of the material and updating the inventory information of the material according to the preset time frequency;
acquiring a construction progress and a material use condition, generating construction progress information and a construction log, matching the construction log with a construction schedule plan, and outputting construction condition information according to preset conditions;
acquiring material inventory information and material use conditions, and generating material abnormal information, material allocation information and material purchase application information according to preset conditions by combining a construction schedule plan and construction progress information;
acquiring price information of construction materials according to preset time frequency, and outputting material purchasing suggestions according to preset conditions by combining material inventory information.
As a preferred embodiment, preferably, the method for matching the construction log with the construction schedule plan and outputting the construction condition information according to the preset condition includes:
acquiring a construction log, comparing the material use condition in the construction log with the material use amount of a daily plan in a construction schedule plan, outputting a first comparison result, comparing the construction progress in the construction log with the construction amount of the daily plan completion in the construction schedule plan, and outputting a second comparison result;
acquiring a first comparison result and outputting first judgment information;
acquiring a second comparison result and outputting second judgment information;
and combining the first judgment information and the second judgment information, and outputting the construction condition information according to preset conditions.
As a preferred selection implementation manner, preferably, the first judgment information in the scheme is material excess information or material remaining information;
when the difference value delta X between the material use condition in the first comparison result and the material amount planned to be used on the same day exceeds a preset threshold value, generating material excess information, and when the difference value delta X is lower than the preset threshold value, generating material residual information;
the second judgment information is construction lag information or construction lead information;
and when the construction progress in the second comparison result is slower than the planned construction completion amount on the current day, generating construction lag information, and when the construction progress is faster than the planned construction completion amount on the current day, generating construction advance information.
As a preferred selection implementation, preferably, the scheme acquires the price information of the construction materials according to a preset time frequency, and outputs the material purchase suggestion according to a preset condition by combining the material inventory information, wherein the scheme comprises the following steps:
acquiring construction material quotations according to preset time frequency, establishing quotation data (t, S), establishing a quotation data curve by taking the price S as a vertical coordinate data value and a quotation number t associated with data acquisition time as a horizontal coordinate data value, and selecting quotation data corresponding to at least 5 recent times to fit and establish a price trend mathematical prediction model;
acquiring weather data within a future preset time length according to a preset time frequency, and acquiring construction days according to the weather data and preset conditions;
obtaining the expected material usage amount in a future preset time length and the expected material usage amount at a future time point according to the construction days and the construction schedule plan, and generating expected usage data;
acquiring material inventory information, and generating material purchase prompt information by combining the expected use data and preset upper and lower thresholds of material storage, wherein the material purchase prompt information comprises a material quantity range and a material type proposed to be purchased in a future preset time point;
acquiring material purchase prompt information and a price trend mathematical prediction model, and substituting time data in the material purchase prompt information into the price trend data prediction model to obtain a material predicted price;
and acquiring a material forecast price, and acquiring a material type, a material quantity range and a forecast expense for suggesting purchase in a future preset time point by combining with the material purchase prompt information.
As a preferred selection implementation, preferably, the method for obtaining the construction material quotation according to the preset time frequency, establishing quotation data (t, S) and fitting to establish a mathematical prediction model of the price trend comprises the following steps:
acquiring the prices of the bulk goods corresponding to different suppliers and/or materials;
substituting the acquired quotation information into a formula (I) to perform weight calculation to obtain the price S of quotation data:
Figure BDA0003927594690000041
wherein A is 1 、A 2 、A 3 、……A n Price of the bulk goods, m, corresponding to the supplier quote or material, respectively 1 、m 2 、m 3 、……、m n Preset weight values of quotes of different suppliers or the prices of bulk goods futures respectively;
acquiring a price S as a vertical coordinate data value, and establishing a quotation data curve by taking a quotation number t associated with the acquired date and time as a horizontal coordinate data value;
obtaining a quotation data curve, selecting quotation data corresponding to at least 5 recent times to fit and establish a fitting curve mathematical model, obtaining more than one of a corresponding linear mathematical model, an exponential mathematical model, a polynomial mathematical model, a power function mathematical model and a logarithm mathematical model, and simultaneously generating a corresponding correlation coefficient R 2 A value;
selecting a correlation coefficient R according to preset conditions 2 And (4) obtaining a mathematical prediction model of the price trend according to the mathematical model with the value meeting the preset requirement.
Based on the foregoing, the present invention further provides a computer-readable storage medium, where at least one instruction, at least one program, a code set, or a set of instructions is stored in the storage medium, and the at least one instruction, the at least one program, the code set, or the set of instructions is loaded by a processor and executed to implement the material scheduling method.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: the invention skillfully and closely relates the material stock condition and the construction site project information to realize accurate monitoring and evaluation of the material use condition, simultaneously, a material quotation monitoring mechanism is introduced, and a material purchasing suggestion is output by combining the material stock information, so that a construction site material management department can comprehensively judge whether material purchasing is needed or not according to the predicted material price, the current residual material stock and the predicted materials which can be constructed and need to be used in the future time period.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a scheduling method according to an embodiment of the present invention;
FIG. 2 is a simplified schematic diagram of a linear mathematical model (dashed line) built from a quote data curve (solid line) in the dispatch method of the present invention;
FIG. 3 is a schematic representation of the exponential mathematical model (dashed line) built from the quote data curve (solid line) in the dispatch method of the present invention;
FIG. 4 is a simplified schematic diagram of the creation of a logarithmic mathematical model (dashed line) from a quote data curve (solid line) in the dispatch method of the present invention;
FIG. 5 is a schematic diagram of a polynomial mathematical model (dashed line) built from a quote data curve (solid line) in the scheduling method of the present invention;
FIG. 6 is one of the schematic block diagram connections of the system of the present invention;
FIG. 7 is a second schematic block diagram of the system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in fig. 1, the material scheduling method of the present embodiment includes:
s01, a database is built in a server module, and construction site project information, construction logs and material inventory information are stored, wherein the construction site project information at least comprises project construction period information, project plan material use information, construction schedule plan, material use plan, construction progress information and material use condition information, and the construction schedule plan comprises the construction amount finished by the current day plan and the material amount used by the current day plan;
s02, acquiring a construction schedule plan and material inventory information according to preset conditions, and calling and conveying materials to a construction site according to the construction schedule plan and the material inventory information;
s03, feeding back construction progress, material usage amount and re-warehousing amount according to preset conditions by constructors to generate material usage conditions;
s04, obtaining a material use condition and updating material inventory information according to a preset time frequency;
s05, acquiring construction progress and material use conditions, generating construction progress information and construction logs, matching the construction logs with a construction schedule plan, and outputting construction condition information according to preset conditions;
s06, material inventory information and material use conditions are obtained, and material abnormal information, material allocation information and material purchase application information are generated according to preset conditions by combining a construction schedule plan and construction progress information;
and S07, acquiring price information of the construction materials according to preset time frequency, and outputting material purchasing suggestions according to preset conditions by combining material inventory information.
Wherein, this scheme matches construction log and construction schedule plan, and it includes to export construction situation information according to the condition of predetermineeing:
obtaining a construction log, comparing the material use condition in the construction log with the material use amount of a current day plan in a construction schedule plan, outputting a first comparison result, comparing the construction progress in the construction log with the construction amount of the current day plan in the construction schedule plan, and outputting a second comparison result;
acquiring a first comparison result and outputting first judgment information;
acquiring a second comparison result and outputting second judgment information;
and combining the first judgment information and the second judgment information, and outputting the construction condition information according to preset conditions.
As an example, preferably, in the scheme, the first judgment information is material excess information or material surplus information;
when the difference value delta X between the material use condition in the first comparison result and the material amount used on the current day plan exceeds a preset threshold value, generating material excess information, and when the difference value delta X is lower than the preset threshold value, generating material residual information;
the second judgment information is construction lag information or construction lead information;
and when the construction progress in the second comparison result is slower than the planned construction completion amount on the current day, generating construction lag information, and when the construction progress is faster than the planned construction completion amount on the current day, generating construction advance information.
In order to facilitate corresponding output instructions, according to the scheme, the construction condition can be correspondingly output in a mode of establishing the following lookup table so as to be used for the background management personnel to carry out preliminary judgment on the progress and the materials.
Figure BDA0003927594690000071
Because the materials on the construction site are usually managed dynamically, the materials are scheduled and purchased according to the arrangement of the construction period, the materials are usually temporarily ordered when needed, the price of the materials also floats to a certain extent, when the material demand is strong or the price of the upstream raw materials rises, the price of the materials shows a rising trend, otherwise, the price of the materials falls, and under the general condition, the price floating of the materials usually has a certain trend, and the possibility of sudden big rise and big fall is low, therefore, the scheme acquires the price information of the construction materials according to the preset time frequency, and outputs the material purchase suggestion according to the preset conditions by combining the material inventory information, wherein the proposal comprises the following steps:
a01, obtaining construction material quotations according to a preset time frequency, establishing quotation data (t, S), then taking the price S as a vertical coordinate data value, taking a quotation number t associated with data obtaining time as a horizontal coordinate data value, establishing a quotation data curve, and selecting quotation data corresponding to at least 5 recent times to perform fitting to establish a price trend mathematical prediction model;
a02, acquiring weather data within a future preset time according to a preset time frequency, and acquiring the number of days for construction according to the weather data and preset conditions;
a03, obtaining expected material usage in a preset time in the future and expected material usage at a future time point according to the construction days and a construction schedule plan, and generating expected usage data;
a04, obtaining material inventory information, and generating material purchase prompt information by combining the expected use data and preset upper and lower material storage thresholds, wherein the material purchase prompt information comprises a material quantity range and a material type proposed to be purchased in a preset time point in the future;
a05, acquiring material purchase prompt information and a price trend mathematical prediction model, and substituting time data in the material purchase prompt information into the price trend data prediction model to obtain a material predicted price;
and A06, obtaining a material forecast price, and obtaining the material type, the material quantity range and the forecast expenditure proposed for purchasing in the future preset time point by combining with the material purchasing prompt information.
Because the quotations of different channels may have certain difference, in order to predict the market price more comprehensively, the proposal obtains the quotation of construction materials according to the preset time frequency, and the method for establishing quotation data (t, S) and fitting the price trend mathematical prediction model comprises the following steps:
b01, acquiring quoted prices of different suppliers and/or bulk commodity future prices corresponding to materials;
b02, substituting the acquired quotation information into a formula (I) to perform weight calculation, and acquiring the price S of quotation data:
Figure BDA0003927594690000081
wherein, A 1 、A 2 、A 3 、……A n Price of the bulk goods, m, corresponding to the supplier quote or material, respectively 1 、m 2 、m 3 、……、m n Respectively are preset weighted values of quotes of different suppliers or the future prices of bulk goods;
b03, acquiring the price S and taking the price S as a vertical coordinate data value, and establishing a quotation data curve by taking the quotation number t associated with the acquired date and time as a horizontal coordinate data value;
b04, obtaining a quotation data curve, selecting quotation data corresponding to at least 5 recent times to fit and establish a fitting curve mathematical model, obtaining more than one of a corresponding linear mathematical model, an exponential mathematical model, a polynomial mathematical model, a power function mathematical model and a logarithm mathematical model, and simultaneously generating a corresponding correlation coefficient R 2 A value;
b05, selecting a correlation coefficient R according to preset conditions 2 And (4) obtaining a mathematical prediction model of the price trend according to the mathematical model with the value meeting the preset requirement.
As an implementation example, fig. 2 is a schematic diagram of a linear mathematical model (dashed line) built according to a quote data curve (solid line) in the dispatching method of the present invention, which is shown in one of fig. 2 to fig. 5;
FIG. 3 is a simplified schematic diagram of the creation of an exponential mathematical model (dashed line) from a quote data curve (solid line) in the dispatch method of the present invention;
FIG. 4 is a simplified schematic diagram of the creation of a logarithmic mathematical model (dashed line) from a quote data curve (solid line) in the dispatch method of the present invention;
fig. 5 is a schematic diagram of a polynomial mathematical model (dashed line) built from a quote data curve (solid line) in the scheduling method of the present invention.
As shown in fig. 6, the present embodiment also provides a worksite material management system based on the internet of things, which includes:
the system comprises a server module, a construction management module and a construction management module, wherein the server module is used for storing construction site project information, construction logs and material inventory information, and the construction site project information at least comprises project construction period information, project plan material use information, construction schedule plan, material use plan, construction progress information and material use condition information;
the material scheduling module is connected with the server module and is used for acquiring the construction schedule plan and the material inventory information, and scheduling the material to be conveyed to a construction site according to the construction schedule plan and the material inventory information;
the construction monitoring module is connected with the server module and used for acquiring construction progress and material use conditions, generating construction progress information and construction logs, matching the construction logs with a construction schedule plan and outputting construction condition information according to preset conditions;
the inventory updating module is respectively connected with the server module and the construction monitoring module and is used for acquiring the material using condition and updating the material inventory information according to the preset time frequency;
the material monitoring module is respectively connected with the server module and the construction monitoring module and is used for acquiring material inventory information and material use conditions, and generating material abnormal information, material allocation information and material purchase application information according to preset conditions by combining a construction schedule plan and construction progress information;
and the material price monitoring module is connected with the server module and is used for acquiring price information of the construction materials according to preset time frequency and outputting material purchasing suggestions according to preset conditions by combining material inventory information.
In order to more intuitively understand the situation after the project engineering is completed, the construction site project information further includes model data during building completion and material stacking area information during building construction according to the scheme, as shown in fig. 7; as a preferred alternative, the present solution may further include:
the image monitoring modules are distributed on a construction site of a construction site and used for collecting images of the construction site, and the image capturing ranges of the image monitoring modules cover the construction area of the construction site;
the image processing module is used for acquiring the construction site images acquired by the image monitoring module, and positioning and identifying the content of the images according to preset conditions to acquire the building outline and the material outline stacked in a specified area;
the digital twin construction module is used for establishing a data model corresponding to the building outline and the outline of the material stacked in the designated area and visually outputting the data model; meanwhile, a corresponding digital model is established according to model data when the building is finished;
and the weather monitoring module is connected with the server module and the material scheduling module, and is used for acquiring weather information within a preset time length, feeding back material scheduling suggestion information to the material scheduling module according to the preset condition according to the weather information, and controlling the scheduling amount of the materials to be scheduled to a construction site within a single time or the preset time length by the material scheduling module according to the material scheduling suggestion information and the preset condition.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each of the units may exist alone physically, or two or more units may be integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute 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), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the contents of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are all included in the scope of the present invention.

Claims (10)

1. A building site material management system based on thing networking, its characterized in that includes:
the system comprises a server module, a construction management module and a construction management module, wherein the server module is used for storing construction site project information, construction logs and material inventory information, and the construction site project information at least comprises project construction period information, project plan material use information, construction schedule plan, material use plan, construction progress information and material use condition information;
the material scheduling module is connected with the server module and is used for acquiring the construction schedule plan and the material inventory information, and scheduling the materials according to the construction schedule plan and the material inventory information and conveying the materials to a construction site;
the construction monitoring module is connected with the server module and used for acquiring construction progress and material use conditions, generating construction progress information and construction logs, matching the construction logs with a construction schedule plan and outputting construction condition information according to preset conditions;
the inventory updating module is respectively connected with the server module and the construction monitoring module and is used for acquiring the material using condition and updating the material inventory information according to the preset time frequency;
the material monitoring module is respectively connected with the server module and the construction monitoring module and is used for acquiring material inventory information and material use conditions, and generating material abnormal information, material allocation information and material purchase application information according to preset conditions by combining a construction schedule plan and construction progress information;
and the price monitoring module is connected with the server module and is used for acquiring price information of the construction materials according to preset time frequency and outputting material purchasing suggestions according to preset conditions by combining material inventory information.
2. The internet-of-things-based worksite material management system of claim 1, wherein the worksite project information further includes model data upon construction of a building, and material stacking area information upon construction of a building.
3. The internet of things-based worksite material management system of claim 2, further comprising:
the image monitoring modules are distributed on a construction site of a construction site and used for collecting images of the construction site, and the image capturing ranges of the image monitoring modules cover the construction area of the construction site;
the image processing module is used for acquiring the image of the construction site acquired by the image monitoring module, and positioning and identifying the content of the image according to preset conditions so as to acquire the outline of a building and the outline of materials stacked in a specified area;
the digital twin construction module is used for establishing a data model corresponding to the building outline and the outline of the material stacked in the designated area and visually outputting the data model; meanwhile, a corresponding digital model is established according to model data when the building is finished.
4. The internet of things-based worksite material management system of claim 1, further comprising:
and the weather monitoring module is connected with the server module and the material scheduling module, and is used for acquiring weather information within a preset time length, feeding back material scheduling suggestion information to the material scheduling module according to the preset condition and the weather information, and controlling the amount of scheduling of the material to a construction site within a single time or the preset time length by the material scheduling module according to the preset condition and the material scheduling suggestion information.
5. A material scheduling method is characterized by comprising the following steps:
building a database in a server module, and storing construction site project information, construction logs and material inventory information, wherein the construction site project information at least comprises project construction period information, project plan material use information, construction schedule plan, material use plan, construction progress information and material use condition information, and the construction schedule plan comprises construction amount finished by a current day plan and material use amount used by the current day plan;
acquiring a construction schedule plan and material inventory information according to preset conditions, and calling and conveying materials to a construction site according to the construction schedule plan and the material inventory information;
the constructor feeds back the construction progress, the material usage amount and the re-warehousing amount according to preset conditions to generate the material usage condition;
acquiring a material use condition and updating material inventory information according to a preset time frequency;
acquiring construction progress and material use conditions, generating construction progress information and a construction log, matching the construction log with a construction schedule plan, and outputting construction condition information according to preset conditions;
acquiring material inventory information and material use conditions, and generating material abnormal information, material allocation information and material purchase application information according to preset conditions by combining a construction schedule plan and construction progress information;
acquiring price information of construction materials according to preset time frequency, and outputting material purchasing suggestions according to preset conditions by combining material inventory information.
6. The material scheduling method of claim 5, wherein matching the construction log with the construction schedule plan and outputting the construction condition information according to the preset condition comprises:
acquiring a construction log, comparing the material use condition in the construction log with the material use amount of a daily plan in a construction schedule plan, outputting a first comparison result, comparing the construction progress in the construction log with the construction amount of the daily plan completion in the construction schedule plan, and outputting a second comparison result;
acquiring a first comparison result and outputting first judgment information;
acquiring a second comparison result and outputting second judgment information;
and combining the first judgment information and the second judgment information, and outputting the construction condition information according to preset conditions.
7. The material scheduling method according to claim 6, wherein the first judgment information is material excess information or material remaining information;
when the difference value delta X between the material use condition in the first comparison result and the material amount planned to be used on the same day exceeds a preset threshold value, generating material excess information, and when the difference value delta X is lower than the preset threshold value, generating material residual information;
the second judgment information is construction lag information or construction lead information;
and when the construction progress in the second comparison result is slower than the planned construction amount on the same day, generating construction delay information, and when the construction progress is faster than the planned construction amount on the same day, generating construction advance information.
8. The material scheduling method of claim 6, wherein obtaining price information of construction materials according to a preset time frequency, and outputting material purchase suggestions according to preset conditions in combination with material inventory information comprises:
acquiring construction material quotations according to preset time frequency, establishing quotation data (t, S), establishing a quotation data curve by taking the price S as a vertical coordinate data value and a quotation number t associated with data acquisition time as a horizontal coordinate data value, and selecting quotation data corresponding to at least 5 recent times to fit and establish a price trend mathematical prediction model;
acquiring weather data within a future preset time length according to a preset time frequency, and acquiring construction days according to the weather data and preset conditions;
obtaining the expected material usage amount in a future preset time length and the expected material usage amount at a future time point according to the construction days and the construction schedule plan, and generating expected usage data;
acquiring material inventory information, and generating material purchase prompt information by combining expected use data and preset upper and lower material storage thresholds, wherein the material purchase prompt information comprises a material quantity range and a material type for proposed purchase in a future preset time point;
acquiring material purchase prompt information and a price trend mathematical prediction model, and substituting time data in the material purchase prompt information into the price trend data prediction model to obtain a material predicted price;
and acquiring a material forecast price, and acquiring a material type, a material quantity range and a forecast expense for suggesting purchase in a future preset time point by combining with the material purchase prompt information.
9. The material scheduling method of claim 8, wherein the method of obtaining construction material quotations according to a predetermined time frequency, establishing quotation data (t, S) and fitting and establishing a mathematical prediction model of price trends comprises:
acquiring quoted prices of different suppliers and/or bulk commodity future prices corresponding to materials;
substituting the acquired quotation information into a formula (I) to perform weight calculation to obtain the price S of quotation data:
Figure FDA0003927594680000041
wherein, A 1 、A 2 、A 3 、……A n Bulk commodity periods corresponding to offers or materials, respectively, for suppliersPrice of goods, m 1 、m 2 、m 3 、……、m n Respectively are preset weighted values of quotes of different suppliers or the future prices of bulk goods;
acquiring a price S as a vertical coordinate data value, and establishing a quotation data curve by taking a quotation number t associated with the acquired date and time as a horizontal coordinate data value;
obtaining a quotation data curve, selecting quotation data corresponding to at least 5 recent times to fit and establish a fitting curve mathematical model, obtaining more than one of a corresponding linear mathematical model, an exponential mathematical model, a polynomial mathematical model, a power function mathematical model and a logarithm mathematical model, and simultaneously generating a corresponding correlation coefficient R 2 A value;
selecting a correlation coefficient R according to preset conditions 2 And (4) obtaining a mathematical prediction model of the price trend according to the mathematical model with the value meeting the preset requirement.
10. A computer-readable storage medium, characterized in that: the storage medium stores at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the material scheduling method according to one of claims 5 to 9.
CN202211378088.1A 2022-11-04 2022-11-04 Material scheduling method and construction site material management system based on Internet of things Pending CN115689222A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116109283A (en) * 2023-04-12 2023-05-12 中川建投集团有限公司 Digital project management collaboration platform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116109283A (en) * 2023-04-12 2023-05-12 中川建投集团有限公司 Digital project management collaboration platform

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