Mechatronics Design Engineer
Resume:
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Vinayak Chaturvedi
Experienced with High Pressure Systems – Mechatronics Design Engineer Professional Experience
R&D Engineer, Farther Farms Inc September 2019 – April 2020
• Hands on Experience with Supercritical Fluid Extraction Process in a food manufacturing industry.
• Designed and tested centrifuge for crystal separation by mapping speed of DC motor to joystick position using L298n motor driver.
• Controlled solenoid valves’ open and shut-off time based on piston position using SSR-25DA solid-state relay driver.
• Built a temperature controller for clostridium study using K-type thermocouple for feedback.
• Designed a novel experiment and the desired set-up to analyze plume geometry of expanding CO2 and liquid emulsion.
• Assisted in scale-up of lab scale supercritical CO2 system to a pilot scale system. Mechatronic Engineer Intern, Servotech Inc May 2019 – September 2019
• Integrated TREK-570 with Visual Studio on Windows Embedded 7 to visualize SAE-J1939 CAN protocols in standard CAN 2.0A format.
• Designed the set-up to send and receive CAN bus signals using Arduino Microcontroller integrated with TREK-570 CAN module.
• Simulated function blocks for 2-Axis motion control application in CodeSys structured text Environment.
• Implementing PLC ladder logic in CodeSys for multi-axis motion control application with servo drives.
• Performed tuning and troubleshooting on servomotors for PID gains using CodeSys function blocks. Engineering Intern, Indraprastha Power Generation Co. Ltd. June 2016 – August 2016
• Worked under the Engineering Manager to develop a hands-on understanding of thermal energy within a power generation facility.
• Monitored over 7 systems within the power plant including boilers, cooling towers, re-heaters and economizers.
• Generated daily reports on sub-systems and accessories, for management meetings. Education
University of Illinois at Chicago May 2019
Master of Science in Mechanical Engineering, GPA – 3.62/4.0 Rajiv Gandhi Proudyogiki Vishwavidyalaya May 2017
Bachelor of Science in Mechanical Engineering
Relevant Skills
Classical Controls Theory, Modern Controls Theory, Sensor Fusion, Kalman Filter, PID Control, LQR Control, Super-critical Fluid Extraction,
Software: MATLAB/Simulink, Python OpenCV, LabVIEW, C/C++, Arduino IDE, SolidWorks, Microsoft Suite Academic Projects
Closed Loop PID Control Using H-Bridge
• Constructed a H-Bridge circuit using MOSFET transistors to control a DC motor.
• Controlled the DC motor using closed loop control by implementing PID control, providing feedback using an Opto-interrupter sensor.
• Achieved closed loop control of the DC motor by deploying a C code from Arduino IDE to the microcontroller.
Sensor Fusion
• Designed and constructed a tilt compensated compass using MPU-9250 IMU module.
• Fused gyroscope and accelerometer reading to obtain a stable and noise filtered roll and pitch angle readings.
• Obtained yaw angle for the compass from the magnetometer along with the tilt compensation using the roll and pitch angles from the complementary filter.
Controller Design for Quadcopter
• Designed a non-linear control model for flight of a quadcopter and performed linearization to obtain first- order linear dynamics.
• Implemented Linear Quadratic Regulator (LQR) for a full-state feedback control on the state-space model using Matlab for calculations and importing the data to Simulink model.
• Implemented Complimentary Filter using IMU; fusing gyroscope and accelerometer readings to obtain the roll and pitch angles.
Automated Soap Dispenser
• Designed the control system of an automated soap system for United Solutions Inc (New York).
• Implemented peristaltic pump control using L1190s driver chip.
• Implemented liquid level detection using photoresistor and triggered actuator signal for pump operation using an infrared obstacle avoidance sensor module.
• Embedded an ESP8266 wi-fi module to enable IOT capability using UART protocols to keep track of the liquid level of the dispenser once installed in public areas. PID Control for Systems
• Controlled mechanical, electrical, hydraulic systems in frequency domain for a given external force.
• Implemented PID control to the following closed loop systems by adding poles, zeros to the system.
• Performed stability analysis by obtaining gain and phase margin using bode plots on MATLAB. Inverted Pendulum on a Cart
• Designed for the dynamic equations of the system and obtained state-space Jacobian along with small angle linearization.
• Coded for LQR on MATLAB and designed the controller on Simulink with stability analyses using step input. Miscellaneous Projects
• Lane-line detection, OpenCV Python
• Hydraulic lift design, Simulink
• Stepper motor control, Arduino IDE
• Sensor positioning using Simulated Annealing, MATLAB
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