EV Power Pack Energy Control With Photovoltaic Charge Cycle Tracking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current battery management systems for electric vehicles fail to optimize charging and discharging of individual batteries, leading to inefficiencies and safety limitations, particularly when using solar charging systems which face high costs and inefficiencies.
Innovation Solution
A system and method for energy management that includes a photovoltaic array supplying electric charge to power packs, a charge management database tracking charge cycles, and an energy control system optimizing power flow based on charge cycles, ensuring efficient charging and discharging of power packs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If individual battery management is implemented, then charging optimization is improved, but device complexity increases
Solution Approach 1:
The battery pack is divided into multiple individual battery units, each with its own management circuit that monitors and controls charging/discharging independently. This segmentation allows optimized charging for each battery while maintaining overall system manageability through modular architecture.
Solution Approach 2:
The battery management system is designed to perform multiple functions including individual battery monitoring, charge optimization, safety protection, and communication. This multi-functionality reduces the need for separate dedicated systems for each function, thereby managing complexity while achieving comprehensive battery optimization.
2Adaptability or versatility
If solar charging is integrated, then energy source versatility is improved, but system cost and inefficiency increase
Solution Approach 1:
A DC-DC converter serves as an intermediary between the solar panels and battery pack, enabling efficient power transfer and voltage matching. This intermediary component resolves the incompatibility between solar charging requirements and battery charging needs, improving overall system efficiency while maintaining versatility.
Solution Approach 2:
The system dynamically adjusts operating parameters such as voltage and current based on solar panel output conditions and battery state of charge. This dynamic adaptation allows the system to optimize performance in real-time, improving efficiency while accommodating the variable nature of solar energy input.
3Reliability
If battery state of charge is monitored individually, then safety is improved, but measurement precision requirements increase
Solution Approach 1:
Each battery unit is equipped with monitoring circuits that continuously measure voltage, current, and temperature, providing feedback to the management system. This feedback mechanism enables accurate state of charge estimation and real-time safety monitoring, ensuring reliable operation while managing measurement precision requirements through continuous adjustment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves optimized energy management by ensuring that power packs are charged and discharged efficiently, reducing inefficiencies and safety limitations, and enhancing the overall performance and longevity of the electric vehicle's battery system.
Implementation Method 1
a photovoltaic array with interconnected photovoltaic cells that supplies electric charge to the power packs for charging the power packs
Data Source
AI summary
Disclosed herein are systems and methods for energy management. A system, such as a vehicle, includes power packs and a photovoltaic array with interconnected photovoltaic cells that supplies electric charge to the power packs for charging the power packs. A charge management database stores data tracking respective charge cycles of the power packs based on the charging and discharging of the power packs. An energy control system controls flow of power in the system to control the charging and the discharging of the power packs, optimizes the flow of power in the system based on the respective charge cycles as tracked in the data stored in the charge management database, and updates the charge management database based on the optimization(s). An output interface outputs a status of the power packs based on the flow of power, for instance to indicate effect(s) of the optimization(s) on the power packs.