Electric Power Control System Using Distributed Ledger for Battery Management
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Solution Overview
Problem
Users face difficulties in accurately controlling battery charge-discharge operations during electric power transactions between vehicle batteries and the grid, as existing systems require manual setting of operating conditions, which can be complex and not reflective of user intentions, especially for users with low IT literacy.
Innovation Solution
An electric power control system utilizing a distributed ledger network with a control unit that executes charge-discharge operations based on user intention information recorded in transaction data, allowing for automated operation that prioritizes battery health or charge maintenance, facilitated by a smart contract program and vehicle identification association.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual setting of operating conditions is required for charge-discharge operation, then the system can provide detailed control over battery operations, but the ease of operation deteriorates as users with low IT literacy find it complex and difficult
Solution Approach 1:
The system automatically executes charge-discharge operations based on operating conditions that are predetermined and stored in the distributed ledger. The control unit retrieves these conditions and performs operations without requiring manual user input, making the system self-sufficient and eliminating the need for users to understand complex settings
Solution Approach 2:
Operating conditions are determined in advance through contracts or pre-configurations and stored in the distributed ledger before actual charge-discharge operations begin. This preliminary setup allows the system to automatically execute operations according to pre-established parameters, removing the need for real-time manual configuration
2Reliability
If operating conditions are determined in contracts or pre-configurations, then the system can establish clear operational parameters, but the reliability deteriorates because the intended operating conditions may not be accurately applied in actual operations
Solution Approach 1:
A distributed ledger acts as an intermediary between the predetermined operating conditions and the actual charge-discharge operations. The control unit retrieves operating conditions from the distributed ledger, ensuring that the intended parameters are accurately transmitted and executed without loss or distortion of information
Solution Approach 2:
The system executes charge-discharge operations based on operating conditions stored in the distributed ledger, creating a closed-loop system where the control unit continuously references the stored conditions to ensure accurate implementation. This feedback mechanism ensures that the actual operations match the intended parameters
Data Source
AI summary
A electric power control system for controlling charge-discharge operation of a battery mounted on a vehicle includes: a plurality of computers, each operating so as to hold a distributed ledger identical to each other; a generation unit for generating transaction data including information related to charge-discharge operation of the battery; a ledger management unit for receiving the transaction data, and for recording the received transaction data in the distributed ledger; and a control unit for controlling charge-discharge operation of the battery, wherein: information related to the charge-discharge operation includes intention information that is information on an intention of a user of the vehicle regarding the charge-discharge operation; and the control unit executes the charge-discharge operation under an operating condition reflecting an intention of the user based on the intention information included in the transaction data recorded in the distributed ledger.