EV Charging Reservation Control for Standby Time Reduction
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Solution Overview
Problem
The increasing demand for electric vehicle charging is outpacing the availability of charging stations, leading to longer standby times due to high demand for charging devices.
Innovation Solution
A method involving a user terminal transmitting location information to a management server, which determines and locks available charging devices, allowing users to preempt their use through a preemption request, authenticated by inputting user authentication information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If charging stations are increased to meet demand, then charging availability improves, but infrastructure cost and complexity increase
Solution Approach 1:
The system performs preliminary actions by allowing users to preemptively reserve charging devices before arriving at the charging station. The management server receives preemption requests, determines availability based on location information, and locks selected charging devices in advance. This enables users to guarantee charging availability without requiring immediate physical presence at the station, thereby improving service adaptability without proportionally increasing infrastructure complexity.
2Quantity of substance
If more charging devices are deployed, then charging capacity increases, but system management complexity increases
Solution Approach 1:
The management server implements feedback mechanisms by continuously monitoring charging device status, user requests, and location information. The system dynamically determines availability, processes preemption requests, and communicates charging information back to users. This centralized feedback-based management enables efficient coordination of multiple charging devices without requiring complex distributed control systems, thereby scaling charging capacity while managing system complexity through intelligent software control.
3Productivity
If charging stations are optimized for efficiency, then resource allocation improves, but initial infrastructure investment increases
Solution Approach 1:
The system enables self-service by allowing users to independently search for available charging devices, select preferred stations based on location and availability information, and preemptively reserve devices through automated processes. The management server handles matching and locking operations automatically based on user inputs and real-time charging status. This self-service approach optimizes resource allocation efficiency by enabling users to make informed decisions without manual intervention, thereby improving productivity without requiring additional physical infrastructure investment.
Data Source
AI summary
An electric vehicle charging method includes at a user terminal, transmitting a location information of the user terminal to a management sever; at the management sever, determining at least one usable charging device corresponding to the location information; at the management sever, transmitting information for at least one determined charging device to the user terminal; at the user terminal, choosing at least one charging device among the at least one determined charging device; at the user terminal, transmitting a preemption request information for preemption at least one chosen charging device to the management server; at the management sever, locking at least one charging device corresponding to the preemption request information by transmitting a preemption order signal; at the management sever, transmitting information for a user of the user terminal to locked charging device; and unlocking the charging device corresponding to inputting a authentication information for authentication of the user.