Inter-Vehicle Power Pricing Coordination for Timely EV Charging
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Solution Overview
Problem
Existing inter-vehicle power feeding systems are inefficient as they require vehicles to manually search for suitable power sources, leading to delays and potential electric power shortages.
Innovation Solution
A power feeding management system that includes a management apparatus and on-vehicle apparatuses, which communicate to facilitate inter-vehicle power feeding by setting a common power price and determining prices based on the amount of power transferred and external charging prices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If vehicles manually search for suitable power sources in existing inter-vehicle power feeding systems, then vehicles can perform power feeding without external infrastructure, but the process becomes inefficient with delays and potential power shortages
Solution Approach 1:
The patent introduces a management apparatus as an intermediary that coordinates inter-vehicle power feeding operations. The management apparatus receives power feeding requests from power-receiving vehicles, selects appropriate power-providing vehicles based on availability and pricing criteria, and manages the pairing process. This mediator eliminates the inefficiency of manual searching by centralizing the matching function, thereby improving power feeding efficiency while maintaining vehicle-to-vehicle power transfer capability.
2Device complexity
If vehicles manually search for power sources without centralized management, then system complexity is reduced, but time consumption increases due to delays in finding suitable power sources
Solution Approach 1:
The patent implements preliminary action by having power-providing vehicles proactively send price data and availability information to the management apparatus before being requested. Vehicles that can provide power register their capability and pricing in advance, so when a power-receiving vehicle needs charging, the management apparatus can immediately identify suitable candidates without delay. This pre-positioning of information reduces search time while maintaining relatively simple system architecture.
3Ease of operation
If a common power price is set for inter-vehicle power feeding, then pricing becomes standardized and easier to manage, but flexibility in responding to different external charging prices is reduced
Solution Approach 1:
The patent applies local quality by allowing different pricing strategies for different vehicles based on their specific circumstances. While a common base price is established for standardization, the system enables individual vehicles to have different external charging prices recorded. The management apparatus uses this localized pricing information to make intelligent matching decisions, selecting power-providing vehicles whose pricing conditions are most favorable for each specific power feeding request, thus balancing standardization with flexibility.
Data Source
AI summary
A power feeding management system includes a management apparatus and a plurality of on-vehicle apparatuses. The management apparatus communicates with the on-vehicle apparatuses of first and second vehicles to assist the first and second vehicles with first inter-vehicle power feeding to the first vehicle from the second vehicle. The management apparatus decides a price on the power-receiver side of the first inter-vehicle power feeding on the basis of a common power price and an amount of fed power in the first inter-vehicle power feeding. The management apparatus decides a return on the power-sender side of the first inter-vehicle power feeding on the basis of the amount of fed power in the first inter-vehicle power feeding and a power price for external charging carried out by the second vehicle before the first inter-vehicle power feeding.