Electric Motor Design Engineer EV Traction Systems

SOURABH CHOUDHARY

Phone: +91-758******* Email: ***********@*****.*** LinkedIn: linkedin.com/in/choudharysourabh PROFESSIONAL SUMMARY

Electric Motor Design Engineer with 7 years of experience in EV traction motor development. Proficient in PMSM, BLDC, and SynRM motor design and development, with expertise in Python based simulation automation and root cause analysis (RCA) of motor related field failures. Co inventor of 3 granted patents and co author of 2 published research papers. Holds a dual degree (B.Tech + M.Tech) in Electrical Engineering from IIT Kharagpur (2018). TECHNICAL SKILLS

• Motor Technologies: PMSM, BLDC, SynRM, Benchmarking, Prototyping, Testing & Validation, Simulation Automation

• Software & Programming: Altair Flux, FluxMotor, Ansys Maxwell, MotorCAD, MATLAB Simulink, SPEED, Python, C, C++

• Analysis: FEA, RCA, VAVE, DFMEA, Manufacturability

• Project Skills: CFT Collaboration, Vendor Coordination, SOP, BOM, DVP&R WORK EXPERIENCE

Manager – R&D, Bajaj Auto Technology Ltd, Pune, Maharashtra May 2022 – Present

• Designed optimized IPMSM motors for multiple 2W Chetak models, achieving 30% phased cost reduction

• Designed SynRM equivalents for 2W & 3W motors, achieving 20% cost savings while maintaining performance

• Collaborated with cross functional teams (CFTs) for cost and weight optimization and ensuring manufacturability

• Developed Design Verification Plan (DVP) for testing and validating motor operability, and compliance with standards

• Developed Python scripts to automate simulation in Ansys Maxwell and MotorCad

• Resolved 30+ distinct motor related failures (Encoders, Sensors, Harness, Mechanical Issues) in all 2W Chetak scooter

• Conducted on site visits to dealerships to ensure timely identification and resolution of failures issues

• Drove vendor side corrective actions, reducing monthly failure rates from 1.76% to 0.05% and overall below 0.2%

• Developed standard operating procedure (SOP) for systematic motor failure analysis

• Established SOP for refurbishing failed motors, enabling cost saving through component level repairs Assistant Manager – R&D, TVS Motor Company, Hosur, Tamil Nadu Sep 2018 – Apr 2022

• Led IPMSM motor development with CFTs, optimizing designs for performance, efficiency, cost, and packaging

• Actively involved in procurement and financing processes, ensuring timely sourcing and budget alignment

• Designed and delivered the first in house traction motor used in the TVS X scooter

• Developed Python scripts to automate parametric geometry creation and simulation in Altair Flux

• Created 10+ parametricmotortemplatestooptimizetorquerippleandslotconductorplacementforAClossestimation

• Co inventor of three granted patents on innovative motor design solutions PATENTS

• Patent no. 409143 — A rotary electrical machine Issued Mar 09, 2021

• Patent no. 535840 — System for controlling a synchronous machine and method thereof Issued Mar 09, 2021

• Patent no. 521936 — An electrical machine of a vehicle Issued Sep 26, 2020 PUBLICATIONS

• Optimal design of a fractional order immittance in the second quadrant with wide CPZ AEU IJEC (2020)

• Optimal design for realizing a grounded fractional order inductor using GIC IEEE TCAS (2018) EDUCATION

Institute Name Year Course Score

IIT Kharagpur 2018 Electrical Engineering – Dual Degree(B.Tech + M.Tech) Specialization: Instrumentation & Signal Processing 7.21/10 JNV Rangareddy, Andhra Pradesh 2013 Class XII (CBSE) 88% JNV Khurai, Madhya Pradesh 2011 Class X (CBSE) 10/10 PROJECTS & INTERNSHIP

• M.Tech: Designed and studied the non ideal behavior of a fractional order element (published two papers) 2018

• Internship: Designed control scheme of BLDC motor for a cost effective left ventricular assist device 2017 AWARDS & ACHIEVEMENTS

• Qualified for GATE Scholarship organized by The Ministry of Human Resource Development 2017

• Successfully cleared Phase I of JBNSTS organized by The Government of West Bengal 2013

• Recipient of NTSE Scholarship conducted by NCERT 2009 EXTRA CURRICULAR ACTIVITIES

• Indoor Games Secretary and Vice captain of Athletics team of Rajendra Prasad Hall of Residence 2015

• Part of gold winning Athletics team and silver winning Hindi dramatics and Choreography team of RP Hall 2015

• Built a line follower robot in Robotics winter workshop organized by Technology Robotics Society 2013

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