Electro-Hydrogen Clearing Control via Blockchain Smart Contracts
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Solution Overview
Problem
Current methods for coordinated control of electro-hydrogen integrated systems face challenges in efficiently managing interaction information between power and hydrogen systems, leading to a high burden on control centers and inadequate reflection of key information, especially when using conventional Lagrange decomposition algorithms.
Innovation Solution
A method utilizing a blockchain smart contract to construct a clearing model for the electro-hydrogen integrated system, decomposing it into power and hydrogen subsystems, introducing Lagrange multipliers for balance constraints, and storing these in a blockchain for iterative adjustments to achieve optimal control, thereby reducing the need for frequent updates and enhancing information reflection through a marginal price mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a centralized control center collects and updates all subject information using conventional Lagrange decomposition algorithms, then coordinated control of the electro-hydrogen integrated system can be achieved, but the computational burden on the control center becomes huge
Solution Approach 1:
The patent divides the centralized control system into distributed autonomous agents (power system agent and hydrogen system agent). Each agent independently manages its own subsystem and participates in coordination through blockchain smart contracts, eliminating the need for a single centralized control center to process all information.
Solution Approach 2:
The patent introduces a blockchain-based smart contract as an intermediary layer between the power system and hydrogen system. The smart contract automatically executes coordination logic and information exchange based on pre-defined rules, replacing the conventional centralized control center's information processing functions.
2Productivity
If conventional Lagrange decomposition algorithms are used to manage interaction information, then the clearing model can be solved, but key information is not adequately reflected
Solution Approach 1:
The patent implements a feedback mechanism where the blockchain smart contract continuously exchanges Lagrange multipliers and coupling variables between iterations. This feedback loop ensures that critical coordination information (marginal prices, coupling constraints) is preserved and utilized in each optimization iteration, rather than being lost in centralized processing.
Solution Approach 2:
The patent transforms the clearing model solution from a centralized computation approach to a distributed iterative optimization approach. By changing the solution parameters from centralized updates to distributed exchanges of Lagrange multipliers and coupling variables, the system preserves key information throughout the optimization process.
Data Source
AI summary
A method for coordinated control of an electro-hydrogen integrated system includes: constructing a clearing model for the integrated system having a fuel cell facility and a P2H production facility; introducing Lagrange multipliers into a power balance constraint and a hydrogen energy balance constraint in the clearing model; decomposing the clearing model into a first clearing model of a power subsystem and a second clearing model of a hydrogen subsystem based on a decomposition algorithm, solving the first and second clearing models to obtain interaction information; storing the interaction information in a blockchain smart contract, exchanging the blockchain smart contract for multiple rounds and adjusting strategies of each subsystem to obtain an optimal solution of the clearing model; and controlling the integrated system based on the optimal solution to provide a target electric quantity and a target hydrogen amount.