Demand Response Request Time Certification via Timestamp Association
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Solution Overview
Problem
Current demand response systems face challenges in certifying the sending time of demand response requests, particularly when communication network failures lead to retransmissions, making it difficult to determine the validity or invalidity of these requests, which affects both power suppliers and consumers.
Innovation Solution
An information processing apparatus that includes a time-stamping authority to issue and manage time stamps for demand response requests, allowing for the association and storage of these time stamps with the requests, enabling the differentiation between initial and retransmitted requests, thus ensuring the validity or invalidity of the requests can be accurately determined.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a DR request is retransmitted due to communication network failure, then the delivery reliability of the DR request is improved, but the ability to certify the original sending time deteriorates
Solution Approach 1:
The patent applies preliminary action by having the transfer server store the sending time of the DR request before any potential retransmission occurs. When a DR request is first received from the power supplier, the transfer server records the sending time in its storage unit. This pre-recorded time information is then used in subsequent retransmissions, ensuring that the original sending time is preserved and can be certified even though the request is being resent. This resolves the contradiction by preparing the time certification data in advance, before the retransmission problem arises.
2Ease of operation
If the sending time of a DR request is used to determine validity, then the validity determination process is simplified, but the system becomes vulnerable to network failures and retransmissions
Solution Approach 1:
The patent introduces the transfer server as an intermediary between the power supplier and power consumer. The transfer server receives the DR request with its sending time, stores this time information, and includes it when retransmitting the request. This intermediary role allows the system to maintain simple validity determination based on sending time while adding robustness against network failures, because the transfer server acts as a trusted mediator that preserves and forwards the original timing information even when network issues require retransmission.
Data Source
AI summary
An information processing apparatus comprises a first circuitry and a second circuitry. The first circuitry first/second demand response requests from first/second communication devices. The second circuitry creates first request content information representing contents of the first demand response request, sends it to a time-stamping authority, and acquires first time certification information containing a time stamp that the time-stamping authority issues for the first demand response request. The second circuitry stores the first time certification information in a storage device to be associates with the first demand response request; and determine, when the second demand response request is received, whether the second demand response request is retransmission of the first demand response request. When it is the retransmission, the second circuitry causes the first circuitry to send the second demand response request and the first time certification information associated with it in the storage device, to a second communication device.