Battery Technology & Automotive

Battery systems, estimation, verification, diagnostics, and quality leadership.

Projects across electromobility ESS investigations, UPS and EV battery management, lithium-ion products, and solar-car battery monitoring.

Volvo Group | Gothenburg | 2024-2026

Software Quality Leadership - ESS

System-level reviews and technical investigations for electromobility energy storage systems across multiple vehicle brands.

Led software-related field campaigns for Volvo and Renault Trucks.
Analyzed customer issues, field data, CAN logs, and vehicle behavior using SQL, Python, CANalyzer, CAN, and JIRA.
Led system-level root-cause investigations across software, hardware, sensing, diagnostics, calibration, and integration.

Turned field evidence and technical findings into quality decisions, specification updates, and improved product robustness.

DowranSET | TIC UPS battery houses | 2017-2023

BMS for large lead-acid UPS battery houses in telecommunication infrastructure.

Implemented SOC estimation using coulomb counting and Kalman filtering.
Designed measurement-module PCBs and improved current and voltage accuracy.
Built BMS functions, test procedures, and PIL/HIL verification using STM32 microcontrollers.

Delivered a safe, verified BMS prototype for telecom UPS applications and supported certification for systems with up to 60 lead-acid batteries.

DowranSET | VEBKO portable 220V pack | 2017-2023

Portable 220V lithium-ion battery pack for power relay testing, power plants, home appliances, and camping use cases.

Implemented SOC estimation using open-circuit voltage and coulomb counting.
Modelled and tested lithium-ion cells with EEC methods and online characterization.
Developed PCC-based thermal management using AllCell material.

Improved safety and reliability through thermal management, characterization, and environmental validation.

SYNTECH | Renault Twizy / PARAXMOTORS YOOZ | 2014-2017

Battery management and real-time testing systems for two-seater electric vehicles.

Implemented SOC estimation with coulomb counting and Kalman filtering.
Modelled lithium-ion batteries using EEC models and evaluated state estimation methods.
Designed a MATLAB/Simulink-compatible test bed connecting load cycles, battery pack, BMS, and motor.

Achieved 1% SOC accuracy and strengthened control and HIL readiness for EV battery system development.

SYNTECH | PGSC Solar Car | 2014-2017

Monitoring system for the University of Tehran PGSC Solar Car battery pack.

Calibrated the shunt current sensor for accurate battery current measurement.
Implemented SOC estimation using the coulomb counting method.
Derived a polynomial equation for the current sensor using curve fitting and validation.

Achieved 1% current sensor accuracy and improved reliability of SOC tracking during solar car testing and operation.