EV Fleet Charging System with Real-Time Data Management
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Solution Overview
Problem
The rapid growth of electric vehicle sales necessitates an efficient and effective charging infrastructure that includes advanced communication techniques and fleet management capabilities to support smart grid integration and optimize charging operations.
Innovation Solution
A system comprising a plug-in module for data collection from electric vehicles, management software for monitoring and controlling charging, and a communications network for wireless data sharing across the system, including links between the plug-in module, management software, and smart devices, enabling real-time monitoring and control of vehicle charging status, location, and energy usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a charging system infrastructure is deployed to support rapid electric vehicle growth, then the ability to charge more vehicles is improved, but the complexity of the system increases
Solution Approach 1:
The charging system is divided into multiple independent charging stations, each equipped with its own controller and communication module. This segmentation allows the system to scale incrementally by adding individual stations rather than deploying a monolithic complex system, thereby improving charging capacity while managing overall system complexity.
Solution Approach 2:
The charging stations are designed with universal interfaces and protocols that allow them to serve multiple functions: charging electric vehicles, communicating with fleet management systems, and integrating with smart grid infrastructure. This multi-functionality reduces the need for separate specialized systems, improving productivity without proportionally increasing complexity.
2Loss of information
If advanced communication techniques are implemented for fleet management, then real-time monitoring capability is improved, but the device complexity increases
Solution Approach 1:
The communication system implements continuous feedback loops where charging stations report status data to fleet management software, which then sends control commands back to the stations. This standardized feedback mechanism ensures real-time information availability using established communication protocols, avoiding the need for complex custom communication architectures.
Solution Approach 2:
A fleet management software layer acts as an intermediary between the charging stations and the user interface. This intermediary consolidates communication protocols and data processing, allowing real-time monitoring without requiring complex direct communication between all system components.
3Productivity
If fleet management capability is integrated into the charging system, then charging optimization is improved, but the software complexity increases
Solution Approach 1:
The fleet management software pre-configures charging parameters, schedules, and priorities based on vehicle usage patterns and energy costs. By performing these optimization calculations in advance rather than in real-time during charging operations, the system achieves charging efficiency without requiring complex real-time decision-making software.
Solution Approach 2:
The charging stations are equipped with onboard controllers that autonomously manage charging operations based on pre-configured parameters received from the fleet management software. This self-service capability allows efficient charging optimization at the local level without requiring complex centralized control software for every decision.
Data Source
AI summary
An electric vehicle charging system comprises one or more system power and control modules (SPCM) and vehicle charging stations (VCS); wherein the SPCM distributes power from a power source to the VCS, and the VCS distributes power to one or more electric vehicles. Another electric vehicle charging system comprises an SPCM, VCS, a fleet management system (FMS) for monitoring and controlling the charging system, and a communications network for sharing information. A system for managing a plurality of electric vehicles comprises a plug-in module configured to collect and store information from an on-board diagnostics system of at least one of the plurality of electric vehicles, management software, a communications network, and a smart device software application for displaying system information. A computer-readable medium having computer-executable instructions for supporting a management system for a plurality of electric vehicles to extract, organize, and display information from the management system.