CN111210300B - Step-by-step collaborative manufacturing method based on intelligent contract - Google Patents
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Abstract
The invention discloses a stepwise collaborative manufacturing method based on intelligent contracts, which is a distributed collaborative manufacturing method for realizing self-organizing self-decisions by constructing a blockchain network and applying the intelligent contracts; the method comprises the steps of constructing a block chain network of point-to-point interconnection, jointly maintaining and managing by enterprises participating in the network, deploying intelligent contracts appointed and written in advance by all parties in the network, automatically executing the contracts by the block chain network when predefined conditions are triggered, and storing executed related information to the block chain; the execution of the transaction can be traced and tampered, and the trust cost generated by the traditional transaction can be reduced by applying the contract; the invention uses the related characteristics of the blockchain to solve the authenticity of information, improves the cooperation capability between upstream enterprises and downstream enterprises, avoids the downtime of the system caused by single-point faults, and deploys intelligent contracts approved by all parties to realize transaction transparency.
Description
Technical Field
The invention relates to the technical field of equipment manufacturing, in particular to a stepwise collaborative manufacturing method based on intelligent contracts.
Background
With the continuous development of economy, the demands of users tend to be more and more personalized, and the competition among manufacturing enterprises is more and more vigorous. To maintain the competitiveness of an enterprise, manufacturing enterprises often need to adapt to changes through production organization changes and transformation. Current manufacturing enterprises are overly dependent on a centralized platform that can expose the enterprise to a series of problems, such as: the upstream and downstream coordination capability is weak, the whole network is crashed due to the failure of the central server, and the problems of heterogeneous equipment, diversified service requirements and the like still plagues and restricts the development of enterprises. Manufacturers rely on a centralized platform through which to serially produce, however, this model can lead to loss of production information due to the bull penis effect. The key to the problem of the centralized platform of the traditional network is still that the interconnection and organization stay on the surface of the application layer, and the interconnection and manufacture logic of the underlying devices cannot be changed. The traditional collaborative manufacturing is to split the product into task sets capable of being independently produced by splitting the product through an order, but the method is inflexible, the order is split by relying on a process expert or a simple algorithm, the time cost is high and low, and the method cannot meet the requirement of large-scale individuation. The blockchain is used as an emerging technology, and the trust and safety problems in the actual production process can be well solved due to the characteristics of tamper resistance, traceability and decentralization.
Current collaborative manufacturing relies on a centralized platform that manages user information and manufacturing-related information, however, a series of problems arise as centralized platforms grow in size: (1) The upstream and downstream coordination capability among enterprises is weak, and the information traceability capability is poor. The quality problem of the produced product is particularly important how to trace back through the collaborative manufacturing network, however, the existing collaborative manufacturing network has poor upstream and downstream coordination capability and weak traceability, cannot trace back through the network, and the existence of the centralized platform causes huge doubt on the authenticity of the platform of the network. (2) When a fault point occurs on the centralized platform, the function of the network can be failed, so that the whole network can not normally operate. When the platform is gradually scaled up, the more and more central cloud servers and equipment are needed, and the more and more enterprises participate, the more and more central cloud servers and equipment are needed, and the more and more central cloud servers and equipment are needed, the more and more central cloud servers are needed, the more central cloud servers are needed due to the gradual scale up of the platform due to single-point faults, and the more central cloud servers and more central cloud servers are needed. (3) The diversity of users' needs makes interactions between enterprises difficult. When manufacturing capabilities are no longer an issue, businesses generate a large number of transactions on a platform as users' demands for personalized products become more and more diverse. The compatibility and collaboration capability of the product and the device cannot be guaranteed, so that enterprises produce a plurality of bad products, and the overall performance of the whole network is reduced. In addition, the security of the private data of enterprises is reduced due to a large amount of interaction on the platform, and the interaction between enterprises is performed through the centralized platform, so that the enterprises worry about the possibility of data leakage. (4) The transaction is set by the centralized platform, and enterprises participating in the platform have doubts about the transaction condition and lack of trust on the fairness of the platform. Enterprises incur losses because there may be data counterfeits, even if user information is sold in secret, on a centralized platform operated by the service provider. (5) The trading of the platform requires a guarantee to be able to be performed, so that enterprises generate additional high trading fees. For a general small enterprise, because the credibility and the knowledge are low, an intermediate is often required to guarantee the transaction during the transaction, so that the cost of the transaction carried out by the enterprise is high. (6) Splitting orders for products in collaborative manufacturing of platforms is dependent on process specialists or simple functions, however, the splitting mode is too simple and inefficient, and the splitting of orders for products is also unsatisfactory.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provide a stepwise collaborative manufacturing method based on intelligent contracts, which can solve the problems of collaborative capability of manufacturing enterprises, safety and authenticity of data, meet personalized requirements, reduce transaction cost and ensure transaction authenticity, and establish a manufacturing platform which is reliable for all parties.
The aim of the invention is achieved by the following technical scheme:
a stepwise collaborative manufacturing method based on intelligent contracts comprises the following steps:
(1) Defining relevant information of product demand according to a block chain network, and issuing order information of the product by a demand issuer, wherein the order information comprises product design information, product process information, delivery deadline and processing cost;
(2) The intelligent contract order splitting module of the block chain splits orders by using a neural network algorithm; the splitting of the order has a plurality of pieces of history data which are already split, and the history data can be abstracted into a classification problem, wherein the order is used as an input characteristic, the splitting result of the order is used as a label, the input characteristic is the information of the required products issued by enterprises, and the input characteristic is used as an input module, so that the tasks capable of independently producing can be obtained; the independent task combination module in the intelligent contract can realize that the original small-batch orders form a large-scale independent task set in a split combination mode, so that the network can serve wider enterprises;
(3) The manufacturing enterprises release the own capabilities to the blockchain network according to the capability related information defined in the pre-established blockchain contracts, the blockchain network stores the related information step by step, and when the information is uploaded to the blockchain network, the corresponding task sets can be recommended to the enterprises according to the corresponding capabilities of the enterprises according to the intelligent recommendation algorithm in the contracts;
(4) When the manufacturing enterprise receives the corresponding recommended task set, the manufacturing enterprise can select the corresponding production task set according to the current situation of the current enterprise, and when the corresponding task set is selected, the manufacturing enterprise can check the corresponding situation of the demand release enterprise, then determine the task set and initiate a contract;
(5) The demand enterprises check the contracts and check the enterprise related conditions initiated by the contracts to determine whether to agree to the contracts;
(6) When independent task sets for splitting orders of products are all picked up, enterprises for picking up task sets automatically form a virtual chain, enterprises on the chain form upstream and downstream according to the manufacturing relation of the products, and the production and processing tasks are combined to finish, so that the capability of cooperative communication between the upstream and downstream of the enterprises can be improved.
Compared with the prior art, the invention has the following beneficial effects:
the invention uses the related characteristics of the blockchain to solve the authenticity of information, improves the cooperation capability between upstream enterprises and downstream enterprises, avoids the downtime of a system caused by single-point faults, deploys intelligent contracts approved by all parties to realize transaction transparency, solves the problem of distrust of users participating in the system through the intelligent contracts approved by all parties to reduce the cost of the transaction, and writes an algorithm of deep learning into the intelligent contracts to realize the efficient splitting and combination of orders.
Drawings
FIG. 1 is a schematic diagram of a distributed co-fabrication flow based on blockchain in accordance with the present invention;
FIG. 2 is a schematic diagram of a smart contract module architecture according to the present invention;
FIG. 3 is a schematic diagram of the smart contract mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
The invention provides a stepwise collaborative manufacturing method based on intelligent contracts, which mainly comprises data security, transparent transaction rules realized by the intelligent contracts and automatic splitting and combination of orders. By constructing a blockchain network, an intelligent contract is applied to realize a self-organizing self-decision distributed collaborative manufacturing method; the problem of a centralized platform is solved by using a blockchain technology, a point-to-point interconnected blockchain network is constructed, and enterprises participating in the network jointly maintain and manage the network, so that traceability and non-falsification of data are realized; the written intelligent contracts are deployed in the network, the contracts are reserved in advance by all parties joining the network, when the predefined conditions are triggered, the blockchain network can automatically execute the contracts, split and combine the orders, then trade is carried out, and the result cannot be denied; trust among enterprises can be realized through intelligent contracts, executed transactions can be traced, and trust cost generated by traditional transactions can be reduced by applying contracts.
The collaborative manufacturing is to change the serial engineering originally manufactured into parallel engineering by utilizing the network technology and the information technology which are characterized by the Internet technology, realize the collaborative production modes of enterprise product design, manufacture, management, business and the like in the supply chain and among the supply chains, and finally achieve the aim of fully utilizing resources by changing the business operation mode and mode.
The block chain is used for constructing a non-counterfeitable, difficult-to-tamper and traceable block chain type data structure through transparent and trusted rules in a peer-to-peer network environment, and realizing and managing the generation, access and use modes of trusted data. In technical architecture, blockchain is an overall solution composed of a distributed architecture and a plurality of information technologies such as distributed storage, block chain data structures, point-to-point networks, consensus algorithms, cryptography algorithms, game theory, intelligent contracts and the like.
The smart contract was first proposed by nickel Szabo in 1995 to refer to a contract defined in digital form that can automatically execute terms, meaning that the contract must be implemented in computer code, because the rights and obligations established by the smart contract are automatically executed and the result cannot be denied as long as the parties reach an agreement.
Specifically, as shown in fig. 1 to 3, a stepwise collaborative manufacturing method based on an intelligent contract includes the following steps:
(1) And (3) defining relevant information of the product demand according to the block chain network, and issuing order information of the product by a demand issuer, wherein the order information comprises product design information, product process information, delivery deadline and processing cost.
(2) An order splitting module of the intelligent contract (an embedded part module of the intelligent contract and a calling relation of the intelligent contract are shown in figure 2) of the blockchain splits the order by using a neural network algorithm; the splitting of the order has a plurality of pieces of history data which are already split, and the history data can be abstracted into a classification problem, wherein the order is used as an input characteristic, the splitting result of the order is used as a label, the input characteristic is the information of the required products issued by enterprises, and the input characteristic is used as an input module, so that the tasks capable of independently producing can be obtained; the independent task combination module in the intelligent contract can realize that the original small-batch orders form a large-scale independent task set in a split combination mode, so that the network can serve wider enterprises;
(3) The manufacturing enterprises release the own capacity to the blockchain network according to the capacity related information defined in the pre-established blockchain contracts, and the blockchain network stores the related information step by step, because the invention adopts the alliance chains (one of the blockchains, the alliance chains have certain authority, and the data of the alliance chains are visible only to the members in the alliance), the production capacity of the manufacturing enterprises can be prevented from being revealed; when the information is uploaded to the blockchain network, corresponding task sets can be recommended to the enterprise according to corresponding capabilities of the enterprise according to an intelligent recommendation algorithm in the contract.
(4) When the manufacturing enterprise receives the corresponding recommended task set, the manufacturing enterprise can select the corresponding production task set according to the current situation of the current enterprise, and when the corresponding task set is selected, the manufacturing enterprise can check the corresponding situation (such as how much historical transaction is performed, contract performance and other non-privacy data) of the demand release enterprise, then determine the task set and initiate the contract.
(5) The demand business looks at the contract, looks at the business related conditions (completion of historical transactions) that the contract originated, to determine if the contract is agreed to.
(6) When independent task sets for splitting orders of products are all picked up, enterprises for picking up task sets automatically form a virtual chain, enterprises on the chain form upstream and downstream according to the manufacturing relation of the products, and the production and processing tasks are combined to finish, so that the capability of cooperative communication between the upstream and downstream of the enterprises can be improved.
Intelligent contracts are the core elements of a blockchain, consisting of event-driven, stateful computer programs that can run on the blockchain. The manufacturing enterprises participating in the network agree on contract content, default conditions, default responsibilities, and external data sources to collectively check and test contract codes, each deployed on the blockchain network. The operation mechanism of the intelligent contract is shown in fig. 3, when the blockchain system uploads an event, such as issuing a demand, a contract, etc., the intelligent contract is automatically triggered, a corresponding response operation rule is executed, such as generating a task set according to a product order, writing a corresponding operation into a block, and a plurality of events together form a block.
Decentralizing means that intelligent contracts are contracts that are guaranteed to be executed by decentralizing stored and validated program code rather than by a centralized entity, and fairness of the contracts can be guaranteed to a large extent. This is where smart contracts enable reduced transaction costs and trusted and participating parties to transactions can equally participate in transactions.
The invention uses the related characteristics of the blockchain to solve the authenticity of information, improves the cooperation capability between upstream enterprises and downstream enterprises, avoids the downtime of a system caused by single-point faults, deploys intelligent contracts approved by all parties to realize transaction transparency, solves the problem of distrust of users participating in the system through the intelligent contracts approved by all parties to reduce the cost of the transaction, and writes an algorithm of deep learning into the intelligent contracts to realize the efficient splitting and combination of orders.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made therein without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (1)
1. A stepwise collaborative manufacturing method based on intelligent contracts, comprising the steps of:
(1) Defining relevant information of product demand according to a block chain network, and issuing order information of the product by a demand issuer, wherein the order information comprises product design information, product process information, delivery deadline and processing cost;
(2) The intelligent contract order splitting module of the block chain splits orders by using a neural network algorithm; the splitting of the order has a plurality of pieces of history data which are already split, and the history data can be abstracted into a classification problem, wherein the order is used as an input characteristic, the splitting result of the order is used as a label, the input characteristic is the information of the required products issued by enterprises, and the input characteristic is used as an input module, so that the tasks capable of independently producing can be obtained; the independent task combination module in the intelligent contract can realize that the original small-batch orders form a large-scale independent task set in a split combination mode, so that the network can serve wider enterprises;
(3) The manufacturing enterprises release the own capabilities to the blockchain network according to the capability related information defined in the pre-established blockchain contracts, the blockchain network stores the related information step by step, and when the information is uploaded to the blockchain network, the corresponding task sets can be recommended to the enterprises according to the corresponding capabilities of the enterprises according to the intelligent recommendation algorithm in the contracts;
(4) When the manufacturing enterprise receives the corresponding recommended task set, the manufacturing enterprise can select the corresponding production task set according to the current situation of the current enterprise, and when the corresponding task set is selected, the manufacturing enterprise can check the corresponding situation of the demand release enterprise, then determine the task set and initiate a contract;
(5) The demand enterprises check the contracts and check the enterprise related conditions initiated by the contracts to determine whether to agree to the contracts;
(6) When independent task sets for splitting orders of products are all picked up, enterprises for picking up task sets automatically form a virtual chain, enterprises on the chain form upstream and downstream according to the manufacturing relation of the products, and the production and processing tasks are combined to finish, so that the capability of cooperative communication between the upstream and downstream of the enterprises can be improved.
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