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The growing demand for electric vehicles (EVs) has highlighted the need for advanced battery systems that are safe, efficient, and reliable. This project focuses on the development of an Automated Battery Management System (BMS) designed to intelligently manage and optimize battery performance in EVs. The goal is to extend battery life, enhance safety, and improve overall energy efficiency while supporting future technologies such as autonomous driving and vehicle-to-grid (V2G) communication.
The system design begins with defining performance and safety goals, followed by selecting appropriate hardware such as sensors and controllers. The project incorporates advanced algorithms to estimate the battery's state of charge (SOC) and state of health (SOH), balance cell voltages, and control temperature to prevent overheating. Machine learning and Kalman filter techniques are used for predictive maintenance and real-time monitoring.
Energy optimization strategies include adaptive charging and efficient power distribution across the vehicle's systems. In addition, the system is designed to support V2G technology, allowing the EV to contribute electricity back to the grid during peak demand.
To ensure reliability and user safety, the BMS includes automated protection mechanisms and intelligent fault detection that can notify users of potential issues. By integrating smart automation and predictive control, this project aims to make EVs more dependable and sustainable for widespread adoption.
California State University, Fresno
This project will produce new tools and technologies to improve battery systems in electric vehicles. Key outputs include:
- Estimation Algorithms
Simple and accurate methods to track how much battery is left (State of Charge) and how healthy the battery is (State of Health).
- Battery Control Methods
Smart ways to keep battery cells balanced and at safe temperatures to avoid damage.
- Energy Management Strategies
Systems that help distribute power efficiently and allow the vehicle to send electricity back to the power grid (Vehicle-to-Grid or V2G).
- Safety Features
Tools that detect problems in the battery early and send alerts to users or technicians.
- Software Tools
Simulation and testing programs developed using MATLAB/Simulink to help design and test the BMS.
- Hardware Prototype
A working model of the automated BMS using sensors and microcontrollers for testing and demonstrations.
- Publications and Patents
Research papers and possibly patents based on new techniques developed in the project.
- Shared Data and Models
Useful data and models will be shared with other researchers to support future work in battery systems.
1. Improved Safety
Early fault detection and temperature control will help prevent battery fires, overcharging, and other safety risks in electric vehicles.
2. Increased Reliability and Durability
Smart cell balancing and health monitoring will extend battery life and reduce unexpected failures, making EVs more dependable.
3. Lower Operating Costs
Energy optimization and adaptive charging will reduce electricity use, battery wear, and maintenance costs over time.
4. Support for Policy and Standards
This research can inform guidelines and standards for EV battery safety, V2G integration, and energy efficiency, supporting future transportation regulations.
5. Environmental Benefits
By improving battery lifespan and energy use, the system helps reduce electronic waste and carbon emissions.
Potential for Commercialization
The algorithms and hardware may lead to new products, patents, or startup opportunities in the growing electric vehicle market.
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SJSU Research Foundation 210 N. 4th Street, 4th Floor, San Jose, CA 95112 Phone: 408-924-7560 Email: mineta-institute@sjsu.edu