CN112084997A - Engineering quantity splitting and counting system - Google Patents
Engineering quantity splitting and counting system Download PDFInfo
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- CN112084997A CN112084997A CN202010998633.1A CN202010998633A CN112084997A CN 112084997 A CN112084997 A CN 112084997A CN 202010998633 A CN202010998633 A CN 202010998633A CN 112084997 A CN112084997 A CN 112084997A
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06V30/40—Document-oriented image-based pattern recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/006—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving public key infrastructure [PKI] trust models
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
Abstract
The invention relates to the technical field of engineering quantity splitting and statistics, and discloses an engineering quantity splitting and statistics system, which comprises: scanning a paper design drawing into an electronic version by a scanner; reading out the content of the operation in the drawing by using image recognition system software running on a terminal for the sub-item decomposition operation; the method comprises the following steps that a subsection and subsection decomposition service platform establishes an automatic subsection and subsection decomposition model, automatic subsection and subsection decomposition is carried out, and data of engineering quantity splitting and statistical results are output; the sub-item decomposition service platform outputs the data to an engineering management service system server in an engineering management information system; and the engineering management terminal calls the engineering quantity splitting and statistical data to the engineering management service system server. The invention can automatically identify drawings, on one hand, can reduce errors caused by manual drawing, on the other hand, can improve the efficiency, only needs manual rechecking, and can standardize and improve the result object by implementing standardized operation, thereby facilitating the expansion of later work.
Description
Technical Field
The invention relates to the technical field of automatic splitting of subsection clauses of constructional engineering, in particular to a system for automatically splitting subsection clauses by recognizing operation contents from engineering design drawings, and specifically relates to an engineering quantity splitting and counting system.
Background
The existing work of splitting the parts and the items basically depends on manual work, and can be completed only by spending a large amount of manpower and material resources and a quite long period by a construction unit. And because the levels of the participated personnel are different, the division items are difficult to highly standardize, and much trouble is added for each work of subsequent engineering management.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problems, the present invention provides an engineering quantity splitting and counting system for automatically splitting partial items based on identification of engineering design drawings, so as to overcome the disadvantages of the prior art, and the engineering quantity splitting and counting system has the following characteristics: the drawing is automatically identified, and the efficiency is higher than that of manual drawing reading operation; the automatic splitting and the division have higher working efficiency; automatic splitting and standardized operation are realized, the result standards are unified, and the subsequent work can be conveniently expanded.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a project quantity splitting and counting system comprises a scanner, a terminal for division and item decomposition operation, a division and item decomposition service platform, a project management service system server and a terminal for project management;
the engineering quantity splitting and counting method of the system comprises the following steps:
step1, the system scans the paper design paper into an electronic version by a scanner and sends the design paper of the electronic version to a terminal for the partial item decomposition operation;
step2, the system reads the content of the operation in the drawing through the image recognition system software running on the terminal for the part and part item decomposition operation, and sends the read data information for splitting and counting to the part and part item decomposition service platform;
step3, establishing an automatic sub-item decomposition model based on an artificial intelligence technology by the sub-item decomposition service platform, carrying out automatic sub-item decomposition on the operation content according to the model, and outputting data of the engineering quantity splitting and statistical results;
step4, the sub-item decomposition service platform outputs the data of the engineering quantity split and the statistical result to an engineering management service system server in the engineering management information system;
step5, the engineering management terminal calls engineering quantity splitting and statistical data to the engineering management service system server.
Furthermore, an access authentication system is deployed on the sub-item decomposition service platform and performs communication authority authentication on the engineering management service system server requesting access.
Further, the access authentication method of the access authentication system includes the following steps:
step1, the system administrator of the engineering management service system server utilizes a trusted platform module in the hardware architecture to create a public-private key pair instance (PK1, SK1), which is a non-migratable key and is specific to the engineering management service system server and the system administrator of the engineering management service system server;
step2, a system administrator of the engineering management service system server informs the access authentication system of the public key PKl, and the access authentication system establishes a mapping table of the engineering management service system server and the public key;
step3, when the access authentication system needs to verify the identity of the engineering management service system server, the access authentication system generates a random number r and sends it to the engineering management service system server, thereby issuing a challenge to request the engineering management service system server to verify its identity;
step4, after receiving r, the engineering management service system server signs r by using a private key SK1, namely calls Sign (PK1, r) to access an application program interface managed by a TPM key of a platform where the server is located, and obtains a signature result S;
step5, the engineering management service system server sends S to the access authentication system;
step6, accessing the mapping table to obtain a public key PKl of the engineering management service system server, decoding S by means of PK1, comparing the result with r, judging whether the engineering management service system server passes the challenge according to the equality of the values, and feeding the result back to the engineering management service system server;
if the verification is passed, the engineering management service system server and the system administrator thereof meet the identity requirement, the next service can be continued, otherwise, a verification failure message is sent, and the further service is interrupted.
Furthermore, the terminal for the division and item decomposition operation runs image recognition system software which can read out the operation content in the engineering drawing and convert the operation content into data information for splitting and statistics.
Further, an automatic partial item decomposition model runs on the partial item decomposition service platform.
Furthermore, the automatic part item decomposition model takes the drawing operation content read by the terminal for part item decomposition operation as input data, and takes the engineering quantity splitting and statistical result of the automatic part item decomposition as output data.
(III) advantageous technical effects
Compared with the prior art, the invention has the following beneficial technical effects:
1. the invention can automatically identify drawings, on one hand, the error caused by manual drawing reading can be reduced, on the other hand, the efficiency can be improved, and only manual rechecking is needed; the invention can improve the standardization of the result object by carrying out standardized operation, and is convenient for the expansion of later work.
2. The access authentication system is deployed on the subsection itemization service platform and performs communication authority authentication on the engineering management service system server requesting access, and the subsection itemization service platform is allowed to be accessed only if the engineering management service system server passes the communication authority authentication of the access authentication system, so that the illegal system server is prevented from accessing the subsection itemization service platform, and the technical effects of preventing the engineering quantity split output by the automatic subsection itemization and preventing the statistical result data from being illegally stolen are further achieved.
Drawings
FIG. 1 is a logic block diagram of a system for engineering quantity splitting and statistics according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A project quantity splitting and counting system is shown in figure 1 and comprises a scanner, a terminal for division and item decomposition operation, a division and item decomposition service platform, a project management service system server and a terminal for project management;
the scanner is used for scanning a paper design drawing into an electronic version;
the image recognition system software is operated on the terminal for the part and item decomposition operation, and can read the operation content in the engineering drawing and convert the operation content into data information for splitting and counting;
an automatic subsection decomposition model runs on the subsection decomposition service platform, the model takes the drawing operation content read by the terminal for subsection decomposition operation as input data, and takes the engineering quantity splitting and statistical result of the automatic subsection decomposition as output data;
the project management service system server is used for receiving the relevant data of the project quantity split and the statistical result output by the sub-project decomposition service platform;
the engineering management terminal is used for calling engineering quantity splitting and statistical data on an engineering management service system server;
the scanner is in communication connection with the terminal for the subsection breakdown operation through a data line or network communication equipment, and the terminal for the subsection breakdown operation is accessed to the subsection breakdown service platform through the data line or the network communication equipment;
the engineering management service system server is accessed to the subsection itemizing service platform through a data line or network communication equipment;
the engineering management service system server is in communication connection with the engineering management terminal through a data line or network communication equipment;
the operation flow of the engineering quantity splitting and counting system comprises the following steps:
step1, the system scans the paper design paper into an electronic version by a scanner and sends the design paper of the electronic version to a terminal for the partial item decomposition operation; if the electronic version of the design file exists, the step can be omitted;
step2, the system reads the content of the operation in the drawing through the image recognition system software running on the terminal for the part and part item decomposition operation, and sends the read data information for splitting and counting to the part and part item decomposition service platform;
step3, training the subsection and subsection decomposition service platform according to the known subsection and subsection data, establishing an automatic subsection and subsection decomposition model based on an artificial intelligence technology, automatically decomposing the operation content according to the established automatic subsection and subsection decomposition model, and outputting data of the engineering quantity splitting and statistical results;
step4, the sub-item decomposition service platform outputs the data of the engineering quantity split and the statistical result to an engineering management service system server in the engineering management information system;
step5, the engineering management terminal calls engineering quantity splitting and statistical data to the engineering management information system by accessing the engineering management service system server;
in order to prevent an illegal system server from accessing a branch and subsection decomposition service platform, an access authentication system is deployed on the branch and subsection decomposition service platform, the access authentication system carries out communication authority authentication on an engineering management service system server requesting to access, and the branch and subsection decomposition service platform is allowed to be accessed only if the engineering management service system server passes the communication authority authentication of the access authentication system, wherein the access authentication process in the authentication scheme is as follows:
step1, the system administrator of the engineering management service system server utilizes a trusted platform module in the hardware architecture to create a public-private key pair instance (PK1, SK1), which is a non-migratable key and is specific to the engineering management service system server and the system administrator of the engineering management service system server;
step2, a system administrator of the engineering management service system server informs the access authentication system of the public key PKl, and the access authentication system establishes a mapping table of the engineering management service system server and the public key;
step3, when the access authentication system needs to verify the identity of the engineering management service system server, the access authentication system generates a random number r and sends it to the engineering management service system server, thereby issuing a challenge to request the engineering management service system server to verify its identity;
step4, after receiving r, the engineering management service system server signs r by using a private key SK1, namely calls Sign (PK1, r) to access an application program interface managed by a TPM key of a platform where the server is located, and obtains a signature result S;
step5, the engineering management service system server sends S to the access authentication system so as to respond to the challenge;
step6, after the access authentication system receives the S, accessing the mapping table to obtain a public key PKl of the engineering management service system server, unlocking the S by virtue of PK1, comparing the result with r, judging whether the engineering management service system server passes the challenge by judging whether the values of the result are equal to the values of the result, namely, judging whether the verification is successful, and feeding the result back to the engineering management service system server;
if the verification is passed, the engineering management service system server and the system administrator thereof meet the identity requirement, the next service can be continued, otherwise, a verification failure message is sent, and the further service is interrupted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A project quantity splitting and counting system is characterized by comprising a scanner, a terminal for division and item decomposition operation, a division and item decomposition service platform, a project management service system server and a terminal for project management;
the engineering quantity splitting and counting method of the system comprises the following steps:
step1, the system scans the paper design paper into an electronic version by a scanner and sends the design paper of the electronic version to a terminal for the partial item decomposition operation;
step2, the system reads the content of the operation in the drawing through the image recognition system software running on the terminal for the part and part item decomposition operation, and sends the read data information for splitting and counting to the part and part item decomposition service platform;
step3, establishing an automatic sub-item decomposition model by the sub-item decomposition service platform, carrying out automatic sub-item decomposition on the operation content according to the model, and outputting data of the engineering quantity splitting and statistical results;
step4, the sub-item decomposition service platform outputs the data of the engineering quantity split and the statistical result to an engineering management service system server in the engineering management information system;
step5, the engineering management terminal calls engineering quantity splitting and statistical data to the engineering management service system server.
2. The project quantity splitting and counting system according to claim 1, wherein an access authentication system is deployed on the sub-project decomposition service platform, and the access authentication system performs communication authority authentication on a project management service system server requesting access.
3. The system for engineering quantity splitting and statistics as claimed in claim 2, wherein the access authentication method of the access authentication system comprises the following steps:
step1, the system administrator of the engineering management service system server utilizes a trusted platform module in the hardware architecture to create a public-private key pair instance (PK1, SK1), which is a non-migratable key and is specific to the engineering management service system server and the system administrator of the engineering management service system server;
step2, a system administrator of the engineering management service system server informs the access authentication system of the public key PKl, and the access authentication system establishes a mapping table of the engineering management service system server and the public key;
step3, when the access authentication system needs to verify the identity of the engineering management service system server, the access authentication system generates a random number r and sends it to the engineering management service system server, thereby issuing a challenge to request the engineering management service system server to verify its identity;
step4, after receiving r, the engineering management service system server signs r by using a private key SK1, namely calls Sign (PK1, r) to access an application program interface managed by a TPM key of a platform where the server is located, and obtains a signature result S;
step5, the engineering management service system server sends S to the access authentication system;
step6, accessing the mapping table to obtain a public key PKl of the engineering management service system server, decoding S by means of PK1, comparing the result with r, judging whether the engineering management service system server passes the challenge according to the equality of the values, and feeding the result back to the engineering management service system server;
if the verification is passed, the engineering management service system server and the system administrator thereof meet the identity requirement, the next service can be continued, otherwise, a verification failure message is sent, and the further service is interrupted.
4. The system for splitting and counting engineering quantities according to claim 3, wherein the terminals for splitting and decomposing the sub-items are provided with image recognition system software, and the image recognition system software can read the operation contents in the engineering drawings and convert the operation contents into data information for splitting and counting.
5. The project quantity splitting and statistics system according to claim 4, wherein an automated project quantity splitting model is run on the project quantity splitting service platform.
6. The project quantity splitting and counting system according to claim 5, wherein the automatic project quantity splitting model takes the drawing work content read by the project quantity splitting work terminal as input data, and takes the project quantity splitting and counting result of the automatic project quantity splitting as output data.
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