PBFT algorithm improvement method for chemical plant inflammable gas monitoring system
A flammable gas and monitoring system technology, applied in the transmission system, computing, electrical components, etc., can solve the problems of difficult communication overhead, prolonged consensus time, low delay, etc., to reduce the delay of view replacement and increase throughput The effect of increasing the amount and increasing the generation speed
Pending Publication Date: 2022-02-08
SHANGHAI INST OF TECH
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[0004] Aiming at the problem that the PBFT algorithm mainly used in the consortium block chain has consensus extension and large communication overhead, which is difficult to meet the large amount of monitoring data transactions, an improved method of PBFT algorithm for the flammable gas monitoring system of chemical plants is proposed. Satisfy the high throughput of blockchain and low transaction latency
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[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0023] Such as figure 1 The schematic diagram of node selection is shown. First, the role of nodes is divided into four categories, ordinary nodes, consensus candidate nodes, consensus nodes and master node candidate nodes, and the four roles are selected at different levels. The IoT detection device with computing power joins the blockchain as a blockchain node. The node first becomes an ordinary node. If you want to participate in the consensus, you must first initiate an application, meet the required access standards and pay a deposit to become a consensus candidate node. The wa...
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The invention relates to a PBFT algorithm improvement method for a chemical plant flammable gas monitoring system, and the method combines a blockchain and a chemical plant flammable gas detection system, and uses a flammable gas detection device as a blockchain node by using the Internet of Things technology. The nodes are divided into four roles: consensus nodes, consensus candidate nodes, common nodes and main node candidate nodes. A scoring mechanism is introduced in the process of selecting a main node and replacing a Byzantine node, weights are distributed based on scores, and nodes are randomly selected according to the weights, so it is ensured that the Byzantine node is effectively isolated, reliable and stable consensus nodes are selected to the maximum extent, and view replacement is reduced. The consensus of the consensus nodes and the selection of the replacement nodes are carried out at the same time, the view efficiency is improved, the longest time of the new block and the maximum included transaction volume of the block are set, one generation block is met, and the system throughput is improved.
Description
technical field [0001] The invention relates to a computer and Internet of Things application technology, in particular to a PBFT algorithm improvement method for a flammable gas monitoring system in a chemical plant. Background technique [0002] There are many flammable and explosive gases in chemical factories and enterprises. Once the flammable and explosive gases reach a certain concentration or leak, it may cause serious disasters and accidents, threatening people's lives, health and property safety. In the process of production, enterprises may falsify the monitoring data of the production environment for profit, which may prevent people from knowing the real situation of the environment in time, and cause major accidents. Therefore, it is of great significance to monitor the data of chemical plants in real time and ensure the authenticity of the data. [0003] In recent years, the rapid development of blockchain technology and Internet of Things technology has made ...
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IPC IPC(8): H04L67/1023H04L67/12G06Q40/04G16Y40/10
CPCH04L67/1023H04L67/12G06Q40/04G16Y40/10
Inventor 薛庆水孙悦候宗阳时雪磊薛震张天昊
Owner SHANGHAI INST OF TECH