A V2G energy trading mechanism based on a block chain and a contract theory

A blockchain, transaction technology, applied in the field of V2G energy transaction mechanism, can solve the problems of lack of distributed security mechanism and effective incentive mechanism

Active Publication Date: 2019-01-08
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Despite these advantages of V2G, there are still challenges such as la

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  • A V2G energy trading mechanism based on a block chain and a contract theory
  • A V2G energy trading mechanism based on a block chain and a contract theory
  • A V2G energy trading mechanism based on a block chain and a contract theory

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[0233] specific implementation plan

[0234] The implementation of the present invention is divided into two steps. The first step is to establish the scene, and the second step is the implementation of the scene and algorithm, including the implementation of the alliance block chain and the implementation of energy transactions based on contract theory. The established model is as figure 1 As shown, there are three entities including LEAG, EV, and ESP, which completely correspond to the implementation of the alliance blockchain in the content of the invention and the energy transaction implementation process based on the contract theory. Since the goal of the modeled social welfare maximization problem is a concave function, we use the CCP algorithm to solve it. The implementation flow chart of the CCP algorithm is as follows: figure 2 shown.

[0235] 1) For the system model, considering the reliable and economical operation of the power grid, in order to protect the secur...

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Abstract

The invention designs a secure and efficient V2G energy trading mechanism in a network physical system using a block chain, edge computing and a contract theory. In this invention, a secure and efficient V2G energy trading framework is provided by exploring the block chain, the contract theory and marginal computing. First of all, a secure energy trading mechanism based on alliance block chain isdeveloped for V2G. Then, considering the asymmetric information scenario, an effective incentive mechanism based on contract theory is proposed. The social welfare optimization problem belongs to thedifference category of convex (DC) programming and is solved by iterative convex-concave process (CCP) algorithm. Next, edge computations have been incorporated to increase the probability of successin block creation. The computational resource allocation problem is modeled as a two-stage Steinberg game, and the optimal strategy is obtained by backward induction.

Description

technical field [0001] The invention belongs to the field of wireless communication, and specifically relates to a V2G energy transaction mechanism based on block chain and contract theory in a physical network system, so as to realize safe and efficient energy transactions and maximize social benefits. The energy transaction mechanism based on blockchain can largely meet the security performance, and edge computing is applied to ensure the efficiency of transactions; the transaction mechanism based on contract theory can better motivate electric vehicles (EV) under the condition of information asymmetry Participate in energy transactions to maximize social benefits. Background technique [0002] Due to advances in network computing technology, computing and communication capabilities are becoming deeply embedded in the design of physical systems. The close integration of physical systems and these advanced computing technologies forms a new generation of engineering system...

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Application Information

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IPC IPC(8): G06Q40/04G06Q20/40
CPCG06Q20/405G06Q40/04
Inventor 周振宇谭露廖斌郭宇飞
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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