Dhrumil Parmar
Embedded Firmware Developer | Power Electronics, Embedded System, RTOS | NIT SURAT -24’
- Role
- Firmware Developer at REM Electromach Pvt. Ltd.
- Location
- Surat, GJ, IN
- LinkedIn followers
- 500 followers
About Dhrumil Parmar
Hello! I am Dhrumil Parmar, I recently graduated from NIT,Surat (SVNIT) with a degree in…
Experience
Firmware Developer
Mar 2024 — Present · Surat, IN
Led dual-motor control development(PMSM & Induction, 3kW) with MPPT-based solar optimization, boosting overall system efficiency by 15% and achieving sub-8sec MPPT tracking. • Improved rotor-state estimation accuracy by 40% through integration of Luenberger, ATPLL, and SOGI observersensuring >98% reliable, jitter - free FOC transitions. • Architected a state-machine firmware framework, cutting execution time by 35%, reducing debug cycles, and laying groundwork for future scalability. • Enhanced fault tolerance by 20% with a five-layer fault-detection scheme and three-stage recovery mechanism, preventing 98% of false trips and minimizing unplanned shutdowns. • Designed and validated Master & User control boards with MODBUS communication, slashing latency by 40% and reducing communication failures by 90%. • Authored lines of optimized C/C++ firmware, trimming flash usage by 15% and guaranteeing real-time control loops within 100µs. • Collaborated with a cross-functional team of 4 engineers across 250+ test iterations, resolving 30+ critical issues and attaining a 95% deployment success rate. • Developed a robust state-machine leveraging ADCs, DAC, timers, and UART interfaces to enhance system reliability. • Engineered seamless transition from open-loop to closed-loop FOC, achieving 97% motor efficiency and 95% RPM accuracy. • Integrated SMO and Luenberger observers into six-step control, achieving 90% precision in sensorless rotor-angle estimation. • Implemented P&O MPPT and CVT algorithms enhanced with fuzzy-logic fault protection, delivering 97–98% inverter efficiency on hardware. • Optimized MPPT convergence to under 10 s using SOGI-FLL and SOGI-OSG techniques, cutting startup time by 60%.
Education
Arjun Public School - India
High School
2018 — 2020
National Institute of Technology Surat
Bachelor's degree
2020 — 2024
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