Electrical Machine Design Engineer (BLDC/AXF) with ANSYS Expertise

Chamala Venkata Vinay Kumar Reddy

+ Proddatur, Andhra Pradesh, India – 516360 — +91-889**-*****

# ****************@*****.*** — ï LinkedIn

Career Objective

Motivated Electrical and Electronics Engineering graduate from NIT Goa (CGPA: 9.03) with strong expertise in electric machine design, finite element simulation, embedded systems, and IoT hardware. Proficient in BLDC, axial flux, drone and hybrid Radax motor design using ANSYS Maxwell and MotorCAD, and experienced in IoT-based monitoring, process automation, and smart energy systems. Passionate about developing sustainable, energy-efficient electromechanical solutions for industrial automation, renewable energy, and electric mobility. Experience

June 2025 – Present R&D Intern, IFB Industries Ltd, Bangalore Currently working on the electromagnetic design and simulation of BLDC motors for home appliances and automotive applications.

Focused on structural optimization and electromagnetic performance enhancement.

Conducted finite element simulations using ANSYS Maxwell and MotorCAD.

Contributed to design iterations for reducing core losses, cogging torque, and improving flux linkage. Aug – Oct 2025 Simulation Intern, Recharga Chargine Pvt. Ltd., Jaipur, Rajasthan Worked on the design and multi-domain simulation of a hybrid Radax (Radial + 2 Axial) flux motor for small-scale wind turbine applications.

Conducted electromagnetic modeling using ANSYS Maxwell 3D and design optimization in MotorCAD.

Designed and analyzed 2D axial flux, 2D radial flux, and integrated 3D Radax motor configurations.

Generated comprehensive simulation reports on loss distribution, flux linkage, and back-EMF waveforms. Jun – Jul 2024 R&D Intern, Evelta Electronics Pvt Ltd, Navi Mumbai

Evaluated and validated IoT sensors (temperature, humidity, CO2, pressure, thermal imaging, air quality).

Developed real-time monitoring systems using ESP32, Blynk IoT, Raspberry Pi, GNSS/GSM modules.

Designed firmware in Arduino, ESP-IDF, Python; benchmarked sensor performance.

Hands-on with UART, RS485, Modbus, I2C, SPI protocols for industrial instrumentation. Education

May 2025 B.Tech in Electrical and Electronics Engineering, National Institute of Technology Goa, Goa CGPA: 9.03

GATE 2025 Score: 413 (AIR 4970)

June 2021 Intermediate Public Examination, Narayana Junior College, Hyderabad Percentage: 98.2%

JEE Mains: 97.15 percentile (AIR 3925 EWS)

JEE Advanced: AIR 4893 (EWS)

May 2019 Class X (SSC), Narayana E.M. High School, Proddatur, Andhra Pradesh CGPA: 10.0

Technical Skills

Electrical & Power

Systems:

Electric Machines, Drives, Power Electronics, Renewable Systems, Smart Grid, Control Systems Motor Design &

Simulation:

ANSYS Maxwell (2D/3D), MotorCAD (EMAG, Thermal, Lab), RMxprt, MATLAB/Simulink, FEA, Efficiency Mapping

Embedded & IoT

Systems:

ESP32, STM32, Raspberry Pi, Arduino, GNSS/GSM Modules, Blynk IoT, Firmware Development

(C/C++, ESP-IDF, Python)

Instrumentation &

Control:

Sensors, DAQ Systems, Modbus/RS485 Communication, PLC/SCADA (Basics), Process Control Programming Tools: C, C++, Python, DSA, Embedded C, MATLAB, LTSpice CAD Tools: Fusion 360, EasyEDA, AutoCAD Electrical Communication

Protocols:

I2C, SPI, UART, RS485, CAN, Modbus, PWM-based Control Interfaces Certifications

Internship: R&D - Evelta Electronics Pvt Ltd

Certification: MATLAB for Control Systems – MathWorks Training 1/3

Projects

Design of Axial Flux

Permanent Magnet

Motor for Washing

Machine:

Designed a compact and efficient Axial Flux Permanent Magnet (AFPM) motor for low power applications like domestic washing machine drive systems.

Configured single-rotor, single-stator AFPM topology (100 mm stator diameter) in MotorCAD.

Conducted efficiency and torque-speed analysis, achieving up to 77.8% efficiency under rated load.

Optimized magnet dimensions, coil turns, and air-gap length for minimal eddy current and core losses.

Evaluated electromagnetic performance using ANSYS Maxwell 3D and verified sinusoidal back-EMF for Field-Oriented Control (FOC) compatibility and low acoustic noise operation. Design and Simulation

of 8014 Drone Motor

(KV100):

Executed a freelance project for Redinium Technologies Pvt. Ltd., focusing on the comprehensive design, analysis, and performance optimization of a high-efficiency 8014 BLDC drone propulsion motor (KV100) using ANSYS MotorCAD.

Developed and validated detailed Electromagnetic (EMAG), Thermal, and Lab models within MotorCAD to simulate steady-state and transient behavior under variable load profiles.

Performed finite element electromagnetic analysis (FEA) to evaluate flux distribution, torque characteristics, and back-EMF waveform accuracy.

Achieved a peak efficiency of 92% through optimization of slot/pole configuration, winding layout, magnet geometry, and air-gap length.

Conducted thermal modeling and cooling system assessment to ensure safe operating temperatures and prevent demagnetization in high-altitude drone environments.

Delivered a detailed simulation report covering efficiency maps, torque-speed characteristics, and loss breakdown for client validation and prototype development. Design and Simulation

of Radax Motor for

Wind Turbine:

Developed a hybrid Radax (Radial + 2 Axial) flux motor for wind turbine energy conversion during internship at Recharga Chargine Pvt. Ltd.

Modeled both 2D radial (54-slot, 24-pole) and 2D axial (18-slot, 12-pole) topologies using MotorCAD and combined them into a 3D Radax configuration.

Achieved 1.12 MW output at 89.04% efficiency (radial flux) and 0.97 MW output at 89.69% efficiency

(axial flux).

Used materials M235-35A (stator/rotor) and Arnold-N48H (magnets) for optimal magnetic saturation and reduced core loss.

Enhanced torque density and power factor through optimized winding and flux path design. Design of a 12-Slot

10-Pole BLDC Outer

Rotor Motor:

Designed and simulated a BLDC outer rotor motor for automotive cooling and conveyor applications.

Achieved 86% efficiency at rated load using ANSYS MotorCAD and finite element analysis.

Optimized torque ripple, cogging torque, and losses through geometry tuning. Design of a 12-Slot

8-Pole Spoke-Type

BLDC Motor:

Developed and simulated a spoke-type BLDC motor suitable for washing machine and shredding applications.

Achieved 72% efficiency with sinusoidal back-EMF suitable for FOC applications.

Validated electromagnetic performance using ANSYS Maxwell simulations. Wireless Power

Transmission System: Developed a resonant inductive charging system for a 12V DC Li-ion battery.

Modeled resonance, impedance matching, and efficiency parameters using MATLAB/Simulink.

Achieved over 78% efficiency at 30 kHz with stable voltage regulation. IoT-Based Smart

Waste Bin Monitoring

System:

Developed an IoT-enabled waste bin monitoring solution using ESP32, ultrasonic sensor, and GSM module.

Measured waste levels and transmitted alerts to a cloud dashboard for optimized waste collection.

Integrated low-power design for solar-powered operation. Environmental

Monitoring Node: Built a multi-sensor system (BME680, VL53L1X, SHT40) with ESP32 to monitor air quality, humidity, and particulate matter for environmental applications. Data was visualized on Blynk IoT cloud. Industrial Process

Monitoring System: Developed a multi-sensor DAQ system for temperature, pressure, and humidity monitoring using ESP32 and Blynk IoT. Data transmitted via ESP and monitored on Blynk App. Digital Wattmeter: Built a real-time energy monitoring system using INA260 sensor and Arduino Nano. Smartwatch with

Motion Tracking: Motion-triggered wearable using ESP32-C6 Mini, BMI270 IMU, OLED, and RTC. Thermal Imaging: Implemented a wireless thermal video stream using MLX90640 with Raspberry Pi and ESP32. Visualized heat patterns on Blynk app.

Water Level Controller

with Arduino: Designed an automated water tank controller using Arduino, ultrasonic sensor, and relay driver. Prevented pump dry-run and ensured overflow protection.

Automatic Street

Lighting System

(LDR-Based):

Designed a light-sensitive switching system for smart street lighting using LDR and relay. Reduced power wastage in community lighting systems.

2/3

Signal Generator using

NAND Gate: Implemented a simple astable multivibrator using NAND logic gates to generate square wave test signals for digital electronics labs.

Extracurricular Activities

Captain, 2025 batch

Cricket Team:

Led the batch cricket team to victory in the inter-year tournament. Demonstrated leadership, strategy, and team management under pressure.

Sports Organizer: Coordinated inter-department cricket & volleyball tournaments at NIT Goa. Team Player: Represented NIT Goa in Inter-NIT Cricket Tournament. Volunteer: Conducted circuit design hackathons and industrial automation workshops. Sustainability

Enthusiast: Participated in waste segregation drives & energy efficiency campaigns. 3/3

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