Projects

Thesis Projects

PhD Thesis: Bearingless Slice Motor & 6-DoF Position Sensor for Extracorporeal Pump

Novel bearingless motor with magnet free rotor for an extracorporeal blood pump. Paper
6 degrees of freedom position sensor for bearingless slice motors. Paper
Novel rotor design for bearingless IPM rotor for robust pump operation. Paper
Methods to enhance the passive magnetic stiffness of bearingless slice motors. Paper

Novel bearingless motor with magnet free rotor

6 DoF position sensor

Low noise switching amplifier

Bearingless interior permanent magnet motor

S.M. Thesis: Finite Element Simulation based Design and Optimization of Electric Motors for EV/HEV Traction Application

Design and Optimization of Flux Switching Permanent Magnet Motor, Surface Mount PM motor and PM Assisted Synchronous Reluctance Motor for Electric vehicles.

M.Tech. Thesis: Design, Control and Implementation Of Brushless Generators Based

Standalone Microgrid

Using Synchronous Reluctance, Permanent Magnet and Induction generators for Standalone Microgrid. Involves power control for interconnected system as well as for each specific generator.
Control of 3-phase 3-wire and 4-wire DSTATCOM and Metaheuristic Techniques based PI controller gains tuning.

SyRG and PMG Journal Paper , IG and PMG Journal Paper

Other Projects

High force density five degrees of freedom electromagnetic actuator

Electromechanical Design for 5 Degrees of Freedom actuator using side biased magnetic structure.
Designed for short stroke lithography stage, Can achieve 5 DoF except axial motion.

Conference Paper

Optimization of high force density two degrees of freedom electromagnetic actuator

Electromechanical Design for 2 Degrees of Freedom actuator using side biased magnetic structure.
Allows high acceleration in radial directions.
This is optimized version of actuator used in Austin Anthis's Master Thesis at MIT.

Axial flux topology based control moment gyroscope for integrated speed and tilt control

Electromechanical Design for 3 Degrees of Freedom control using a single stator.
Limited Tilt Capability.

3 port AC/AC/DC converter

AC IN, AC OUT and bidirectional DC port for new generation telecom power supply.
3 legged AC-AC topology with bidirectional LLC resonant converter for DC port where battery is connected.
Regulated AC output voltage and battery charging/discharging control at DC port.

Distribution STATCOM

Harmonic compensation for nonlinear loads with selective harmonic compensation feature.
Unbalance compensation with negative sequence calculation and compensation.
Prototype for 10 kVA system, tested till 2kVA.

Relevant Course Projects

3-phase 2-level GaN based voltage source Inverter

Tested upto 500 kHz switching frequency. Turns out the decoupling capacitors close to each switching leg is the hottest part in the inverter.
Tested upto 600W.

Model Predictive Control for Power Electronics Converters

Controlling front end as unity power factor rectifier. Controlling the AC output at a regualted voltage with a small THD even with nonlinear loads.
Steady state error is reduced by implementing peak filters in the control using Augmented states in the model predictive control. Observer is designed to estimate load current.

Electromagnetic Analysis of Magnetic Levitation Train

Finite difference method in space and time for electromagnetic partial differential equations.
Utilizing numerical method techniques to implement a fast solution of electromagnetics as well as mechanical dynamics.

Hybrid AC-DC microgrid

Qualitative analysis of power control in hybrid microgrid architecture with various sources.

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