Motor Design & Development Engineer with 3.5+ Years Experience

Vaibhav Vivek Deshmukh

# **********@*****.*** ï www.linkedin.com/in/vaibhav-deshmukh-vvd

PROFESSIONAL SUMMARY

Motor Design and Development Engineer with over 3+ years of experience in traction motor design. Strong background in Powertrain Engineering, including electric drive system integration, system modeling, motor-controller calibration, elec- tromagnetic and thermal analysis, validation testing, optimization, and cost reduction. Experienced in Motor-CAD, Ansys Maxwell, JMAG, and vehicle-level performance correlation. PROFESSIONAL EXPERIENCE

TVS Motor Company Ltd. Jul 2022 - Present

Deputy Manager- Research & Development Hosur, Tamilnadu Designed and developed a high-performance electric motor for a premium, super-premium 2W & 3W

• Designed and simulated high-voltage electric motors based on vehicle-level system requirements. Successfully developed prototypes and performed tests to validate performance. Optimized parameters for various operating conditions to achieve improved torque accuracy, thermal management, power density, performance, and efficiency.

• Designed and simulated high-voltage electric motors based on vehicle-level system requirements.

• Actively collaborated with suppliers, manufacturing, and sourcing teams for DFMEA, DVP, SRS sign-off, feasibility studies, and production readiness.

• Benchmarked high-voltage 2W and carried out an in-depth study on weight, performance, and innovative design opportunities to support in-house development.

Engineered electric motors across different voltage ranges for super-cross racing vehicles

• Designed motors for different voltage requirements, carried out electromagnetic, thermal FEA based simulations utilizing drive cycle and lap profile analysis to meet vehicle specifications and performance demands.

• Shortened time duration of motor endurance testing significantly, minimized testing-simulation error, performed key role in minimizing the overall noise level by 8 db in vehicle-level motor NVH (Noise, Vibration, and Harshness) testing. Optimization of sensing accuracy and control strategies for improved motor performance

• Executed position sensor testing and validation, implemented design improvements to enhance torque accuracy, and resolved EMI/EMC issues. Optimized control parameters, refined modulation strategies and performed in-depth motor tuning and calibration with the power electronics controller.

• Conducted comprehensive testing of electric motors using various control techniques such as six-step & space vector PWM (SVPWM) to achieve expected performance and improved motor power by 20%, which also enhanced efficiency by 5%.

Design of an axial flux motor

• Performed preliminary analytical design followed by detailed electromagnetic simulation of an axial-flux motor, targeting high torque density, lightweight construction, and compact packaging. EDUCATION

Indian Institute of Technology, Bombay

M.Tech in Energy Systems and Engineering July’2020 – May’2022 Visvesvaraya National of Technology, Nagpur

B.Tech in Electrical and Electronics Engineering July’2016 – June’2020 PROJECTS

Power quality in traction power supply network M.Tech Thesis Project, IIT Bombay May’21 - Jun’22

• Modelled train and traction power supply networks, including front-end converters, for power quality analysis.

• Conducted simulations to observe the propagation of harmonics in the traction system, performing harmonic power flow analysis to assess system behavior.

• Proposed a new method, Fourier Theory of Jumps, to estimate the harmonic spectrum of an onboard traction converter, eliminating the need to depend on simulation software providing an analytical approach. Integrated on-board charger for Solar Electric Vehicle IIT Bombay May’ 21

• Analyzed and implemented a bi-directional DC-DC converter with MPPT for a solar EV, improving onboard charging feasibility by 15%.

• Implemented a partially solar-powered electric vehicle by integrating solar PV on the roof of EV. Conceptualize a micro-mobility solution for tier 1 city/urban traffic Capstone Project, TVS Motor Aug’ 22

• Conducted in-depth literature review and field surveys to understand commuter behavior, traffic patterns, and identify target market segments.

• Collected and analyzed data from surveys conducted in major traffic and industrial areas in a city, including online forms, focusing on commute modes, cost of commutation, peak traffic times, and income estimation.

• Developed a conceptual design for a lightweight two-wheeler vehicle tailored for short-distance commuting, including drive cycle analysis, motor and battery calculations, design analysis, part validation, CAD modeling, and virtual prototyping. Improving vehicular traffic efficiency B.Tech Thesis Project, VNIT Nagpur Jul’19 - May’20

• Developed static sensing method for traffic control with dynamic period signal and proposed intelligent traffic control system (iTCS).

• Simulated and observed optimal utilization of traffic management at junction.

• Implemented a prototype hardware traffic small scale model. TECHNICAL SKILLS

Simulation Tools: Ansys Motor-CAD, Maxwell, JMAG, Altair Flux, Simlab System & Control: MATLAB, Simulink, PLECS

Programming: C, Python, Octave

Documentation & Tools: MS Office, LATEX

PATENTS & RESEARCH PUBLICATION

• Filed design patents on innovative rotor geometry, motor packaging, motor control, Skewing pattern, cooling methods and position sensor integration.

• Analytical Closed-Form Expressions for Magnitudes of Voltage Harmonics in a Two-Level Voltage Source Inverter

2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) · March 30, 2023

• Improving Vehicular Traffic Efficiency by Infrared Sensors 2020 IEEE First International Conference on Smart Technologies for Power, Energy and Control (STPEC) · Dec 30, 2020

INDUSTRIAL TRAINING

Training in National Power Training Institute Feb’18 NPTI, Nagpur

• Undergone basic training in power plant familiarization. Got acquainted with the different equipment, essential technologies, and processes in power generation.

• Learned and observed various model, control and instrumentation of a power plant. Live working of high voltage systems in motor vehicles Nov’22 TUV-SUD, TVSM

• Completed 2 Level training on electric vehicle systems, including layout, operation, HV safety, regulations, and standards.

• Certified as a qualified electrician for HV systems in motor vehicles, with expertise in live working. POSITION OF RESPONSIBILITY

Admission Volunteer IIT Bombay

• Volunteered in conduction of admission process for the MTech Autumn’21 and PhD May’22 Batch Teaching Assistant, Basic Electrical Lab IIT Bombay Jul’21 - Dec’21

• Working in a team of 11 teaching assistants to facilitate the lab through demonstrations in online mode.

• Responsible for promoting interaction during lab sessions, evaluating student reports, and conducting viva-voce.. ACHIEVEMENTS & EXTRACURRICULAR ACTIVITIES

• Awarded as the best teaching assistant towards excellent contribution in the basic electrical engineering lab course.

• Received a bronze medal for traction motor testing for NPD super premium bikes.

• Led cross-functional workshop to identify and implement motor cost and weight reduction strategies

• Secured first class with distinction in the Yoga Pravesh course by Yogavidya Gurukul.

• Yellow Belt Certificate: Completed project titled “Improve performance of traction motor” through TQM practices.

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