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Design and Implementation of Battery Management System with Cell Balancing for E-Ricksh...

Branch: Electrical Engineering Type: Industry-applied final-year Major Project Standard: Mumbai University Rev-2019 'C' Scheme (Major Project I + II) Group: up to 4 students Assessment: 6 review-based milestones (100 marks)

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About this project

Design and Implementation of Battery Management System with Cell Balancing for E-Rickshaw Lithium-Ion Packs

Objective: To develop a battery management system with active cell-balancing for improving reliability and lifespan of lithium-ion battery packs used in Indian e-rickshaws.

E-rickshaws are a widely adopted means of affordable transportation in urban and semi-urban India, but their battery packs often suffer from uneven cell charge/discharge, leading to reduced performance, frequent breakdowns, and expensive replacements for drivers and fleet operators.

This project proposes an engineering solution: a robust battery management system (BMS) with real-time cell monitoring, active balancing, and fault detection to optimize pack health, prevent overcharge/over-discharge, and extend battery life. The system will be tailored for typical 48V lithium-ion packs used in e-rickshaws.

Key features include: cell voltage and temperature sensing, microcontroller-based balancing algorithms, CAN communication interface, and integration with a user dashboard for diagnostics. The working model will demonstrate a live BMS prototype managing a multi-cell pack, with cell-balancing action and safety cutoffs validated via test cycles.

Industry impact includes reduced maintenance costs, improved safety, and longer battery lifespan for e-rickshaw fleets. The scalable design can be adapted to other EVs and battery applications, supporting India's push for sustainable urban mobility.

Milestones

1. Synopsis & Problem Definition (Stage-I Review-1)

10 marks 30d

Submit a clear synopsis outlining the real-world battery reliability issues in e-rickshaws and propose the BMS solution; reviewed via seminar and written synopsis.

2. Literature / Market Survey & Requirement Analysis (Stage-I Review-2)

15 marks 35d

Present findings from survey of commercial BMS products, Indian e-rickshaw battery packs, and user requirements; evaluated through written report and group discussion.

3. System Design, Methodology & Cost Analysis (Stage-I close)

20 marks 40d

Deliver complete system and circuit design, balancing algorithm selection, block diagrams, and cost analysis; assessed by design review and feasibility presentation.

4. Implementation / Fabrication of Working Model (Stage-II Review-1)

25 marks 45d

Build and integrate hardware prototype with cell sensing, balancing, and CAN interface; progress verified through hardware demonstration and peer review.

5. Testing, Results & Validation (Stage-II Review-2)

20 marks 45d

Perform functional and safety tests on the prototype, record balancing performance and reliability metrics; results validated via test reports and examiner observation.

6. Report, Paper & Demonstration / Oral Defense (Stage-II final Oral & Practical)

10 marks 30d

Submit final technical report, IEEE-format paper, and give a live demonstration with oral defense; marked on documentation, demo quality, and Q&A.

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Upcoming sessions

Session	Window	Enrolled
Design and Implementation of Battery Management System wi...	11 Jun 2026 to 10 Jun 2028	0

Skills you'll learn

CapstoneFinal-year projectMajor projectElectrical EngineeringEmbedded system design and programming (microcontroller-based BMS)Power electronics circuit fabrication and PCB designBattery modelingcell monitoringand balancing algorithmsSystem integration and hardware testingData acquisitionCAN bus communicationand user interface developmentCost analysis and bill of materials for scalable deploymentTechnical report writing and oral presentationTeamwork and project management

Tools used

STM32 or Arduino microcontroller boardsTexas Instruments BQ series battery monitoring ICsAltium Designer or Eagle for PCB designLi-ion cell testing equipment (e.g.DC electronic load)CAN bus communication modulesIEC 62660-2 standard for lithium-ion battery safetyMATLAB/Simulink for algorithm simulationLabVIEW or custom dashboard for data visualization

Prerequisites

Electrical Machines and Power ElectronicsMicrocontrollers and Embedded SystemsMeasurement and InstrumentationEnergy Storage SystemsControl Systems

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