EV Power Supply Reservation System with Partial Address Notification
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Solution Overview
Problem
Current systems for renting and using power supply facilities for electric vehicles lack user convenience, as users cannot designate desired locations and times for power supply, limiting their flexibility and efficiency.
Innovation Solution
A communication system comprising a server and terminals that allow users to specify desired locations and times for power supply, with the server matching these requests with available power supply facilities and notifying users of suitable locations and times, while also ensuring secure and cost-effective power usage through partial address notification and fee management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the system notifies power supply facilities around a vehicle in response to user inquiry, then the system can provide basic power supply information, but the user cannot designate desired location and time, reducing user convenience
Solution Approach 1:
The server stores association information between location information and acceptance periods in advance. When a user makes a reservation, the server determines whether the desired location and time match available power supply facilities based on pre-stored data, enabling users to designate specific locations and times for power supply
Solution Approach 2:
The server acts as an intermediary between users and power supply facilities. It receives reservation information including desired location and time, determines matching facilities based on stored association information, and notifies users of suitable options, thereby enabling flexible location and time designation while maintaining system coordination
2Productivity
If the server stores and processes association information between location and acceptance period, then the system can match user requests with available facilities, but the system complexity increases
Solution Approach 1:
The server pre-stores association information between location information and acceptance periods for multiple power supply facilities. This preliminary organization of data enables efficient matching of user reservations with available facilities without requiring complex real-time processing
Solution Approach 2:
The server automatically determines matching power supply facilities by comparing user-provided desired location and time against pre-stored association information. This automated self-service approach improves matching efficiency while keeping the system relatively simple, as the server independently handles the determination logic
3Measurement precision
If the system notifies full address of power supply facility, then users can locate the facility precisely, but security is compromised
Solution Approach 1:
The notification device extracts and notifies only a part of the address information (such as prefecture, city, or district) rather than the complete address. This selective extraction enables users to locate the general area of the power supply facility while preventing disclosure of the precise location, thereby balancing location precision with security
Data Source
AI summary
A provider terminal transmits, to a server, (i) location information for specifying a location of a power supply facility for supplying power to a vehicle and (ii) an acceptance period for accepting the supply of power at the location. The user terminal transmits, to the server, (i) a desired location for the supply of power to the vehicle and (ii) a desired starting time for the supply of power to the vehicle at the desired location. The server includes: a provision DB configured to store one or more pieces of association information in which respective pieces of location information are associated with respective acceptance periods; a determination device configured to determine a power supply facility corresponding to the desired location and the desired starting time; and a communicator configured to notify a location of the power supply facility.