Vehicle Charging Control Using DTE-Based Station Availability Updates
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Solution Overview
Problem
Existing vehicle charging systems often fail to provide real-time charging station information, leading to difficulties in smooth charging and inconvenience for users when the vehicle's distance to empty (DTE) is low, as the information is not updated in real-time due to cost limitations.
Innovation Solution
A vehicle charging control system that includes a vehicle and a server, where the vehicle identifies changes in DTE and transmits state information to the server, which updates and manages a list of charging station locations, hiding unavailable stations and registering new ones based on usage thresholds, and notifies the vehicle of available charging stations using AVNT, telematics, or applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If charging station information is provided without real-time updates to reduce cost, then cost limitations are addressed, but the reliability of charging information and smooth charging performance deteriorate
Solution Approach 1:
The system enables charging stations to automatically report their own state information (available power, charging speed, queue status) to the server without requiring manual updates or complex monitoring infrastructure at each station. This self-reporting mechanism achieves real-time information accuracy while minimizing system complexity and cost.
Solution Approach 2:
The server continuously receives state information from charging stations and provides real-time feedback to vehicles through navigation and charging recommendations. This feedback loop ensures that charging station information remains accurate and up-to-date, resolving the reliability issue without requiring complex manual update systems.
2Reliability
If real-time charging station state information is transmitted from vehicle to server, then charging station availability accuracy is improved, but communication data transmission complexity increases
Solution Approach 1:
The system extracts only the essential state information parameters (available power, charging speed, queue status) from charging stations and transmits them to the server. By selecting only the most critical data points, the communication complexity is minimized while maintaining high reliability of charging availability information.
3Ease of operation
If charging station location information is updated in real-time to improve user convenience, then user experience is improved, but information management complexity increases
Solution Approach 1:
The server merges charging station location information with real-time state information (availability, power, queue status) into a single integrated data structure. This consolidation allows the system to manage and update location information efficiently without requiring separate complex management systems, thereby improving user convenience while controlling complexity.
4Reliability
If the system hides unavailable charging stations to improve information accuracy, then information reliability is improved, but system control complexity increases
Solution Approach 1:
Instead of actively filtering and hiding unavailable charging stations through complex filtering algorithms, the system inverts the approach by only displaying and recommending charging stations that are currently available and confirmed to be operational. This inversion simplifies the information filtering system while maintaining high information reliability.
Data Source
AI summary
A vehicle charging control system and a method therefor are provided. The vehicle charging control system includes a vehicle that identifies whether a distance to empty (DTE) is changed based on charging at a location of a first charging station among at least one charging station. The vehicle transmits state information of the first charging station, which is obtained based on whether the DTE is changed, through a communication module. The system also includes a server that receives the state information of the first charging station from the vehicle and notifies the vehicle of whether the first charging station is available based on the state information of the first charging station.