- The document is a resume for Dharma Teja Adepu, who is pursuing an MS in Mechanical Engineering at Michigan Technological University.
- Some of Adepu's experiences include developing controls for hybrid electric vehicles and working on vehicle controls as part of MTU's HEV Enterprise.
- Adepu has also worked as an engineering intern at a diesel locomotive shed in India where they assisted with engine maintenance and repair.
1. 2110 Wood mar Drive, Apt #B Dharma Teja Adepu Phone-906-231-3156
Houghton, MI 49931 Email- dadepu@mtu.edu
Summary
Vehicle controls team member in Hybrid Electric Vehicle(HEV) Enterprise
Intern at Diesel Locomotive Shed
Developed controls Hybrid Electric Vehicle(HEV), Fuel Injector, Automatic transmission and Electronic
Throttle using Hardware in the loop(HIL)
Designed Chassis and assisted with fabrication of Supra SAE F1 race car.
OBJECTIVE:
To obtain Full-time positions in the fields of Powertrains and Controls
EDUCATION:
Michigan Technological University Houghton, MI
MS Mechanical Engineering, GPA- 3.58 Jan 2015 - Dec 2016
Kakatiya Institute of Technology and Science Warangal, INDIA
Bachelors Mechanical Engineering Sept 2010 - June 2014
RelevantCourses: Automotive Controls, Distributed Embedded Control Systems, Adv. Propulsion Hybrid Electric Vehicles,
Advanced IC Engines, Intro. to Prop. Hybrid Electric Vehicles, Hybrid Electric Vehicle Enterprise, Emerging Technologies.
Work experience:
Vehicle Controls Team Member- MTU Hybrid Electric Vehicle(HEV) Enterprise Jan-May 2016
Development of Powertrain Controls and Powertrain Electrification of Chevrolet 1949 Pick-up truck
Developed Simulation model for GM 5.3L V8 LC9 E-rod Crate Engine in Amesim.
Converted 5 speed manual transmission to automatic transmission controlling movement and rotation of shift rod
using Linear Actuator (LA) and stepper motor (SM).
Scheduling and sequencing of actuators, direction control, and gear shift logic were developed in Stateflow
addressing ‘how’ to change gears.
A closed loop control was achieved with PWM of voltage and frequency based on feedback from Potentiometer
and Rotary potentiometer for LA and SM respectively.
Validation and simulation of Stateflow model was done by using transfer functions for actuators in Simulink (Matlab)
Testing and Calibration of the model was done with Hardware in the loop(HIL) testing using Embedded Mototron
(16-bit microcontroller) Rapid prototyping interface.
Developed CAN interface between Supervisory Controller and Transmission Controller with CANoe.
Engineering Intern at Diesel locomotive Kazipet, India
Supervised Diesel engine assembly and disassembly in the loco shed.
Involved in a team that performed the maintenance of the Engine of the locomotive.
Had hands-on experience working of governor and prepared a review on working the governor.
KEY TECHNICAL SKILLS:
Matlab
Simulink
Mototune
MotoHawk
Stateflow
Hardware in the loop
dSpace
Amesim
GT-SUITE
LabView
Canalyzer
CANoe
CAE
CanKing
SolidWorks
CATIA V5
C Programming
MS Office
ENGINEERING PROJECT EXPERIENCE:
Automotive Control Systems Sept 2016- present
Fuel control in spark ignition engines: Designed model based feedback system that uses the ego sensor output and
computes a modification to the fuel flow and feedforward transient fuel system.
Optimal Idle Speed Control of a Spark Ignition Engine: Designed a model based optimal integral LQR controller
that will drive the engine speed to 742 RPM during by linearizing the plant model around equilibrium states of engine
and manifold pressure.
2. Sensitivity analysis, Cost analysis, Hybridization and Energy Managementof 2010 Chevrolet Malibu Feb-May 2016
Optimized the model based Chevy Malibu Hybrid 4 speed transmission and differential to meet the fuel economy
standards of CAFÉ.
Performed sensitivity analysis and evaluated design options in comparison to 2015 NAS Report (engine,
transmission, mass, LRR tires, Aero), and through competitive comparison.
Measured the fuel economy and performance (acceleration time and maximum velocity) for vehicle improvements
such as: downsize, aero drag reduction, mass reduction of 5, 10 and 15%, rolling resistance reduction by 10 and
20%.
Performed cost analysis for relative fuel consumption reduction and designed a Malibu model by choosing the
combination of technologies that best fit performance and fuel.
Implemented a start-stop technology with a logic that avoids “starting fuel penalty” for two consecutive stops.
Designed a Malibu hybrid model with all the classical hybrid modes.
Implemented the torque blending strategy based on combined strategy of maximum SOC of PPS and engine on-
off control strategies.
Engine Torque Control in Hybrid Electric Vehicle(HEV) Energy Management Jan to March 2016
Investigated into the effects of engine variables on the output torque on 1.8-liter 4-cylinder gasoline port fuel
injection (PFI) engine model.
Developed a model based engine torque PID controller in Simulink(Matlab) to follow requested torque
trajectory from the HEV supervisory controller.
A model is built for replacement to the dynamometer and used to control the speed and torque.
Designed throttle body controller using a PID controller including implementation in a laboratory experiment
with LabView interface.
Configurable Hybrid Electric Vehicle (HEV Prototype) Powertrain Improvement Jan- April, 2016
Developed Control strategy for Supervisory ECU following model based embedded design in Simulink for
Torque Blending, Engine start-stop, E-motor start-stop, Engine state and Regenerative braking modes.
Truth Tables, Stateflow charts, 2D lookup tables and Motohawk (Embedded Software) blocks were used for
developing overall control strategy.
Calibration and model verification is done by Hardware in the loop (HIL) testing using Mototron 16-bit
microcontroller Interface based on signal flow between various subsystems in an equivalent circuit.
Design of Closed Loop (BOSCH DV-E5) Electronic Throttle Control (ETC) using PID Controller and CAN
Communication Nov- Dec, 2015
Designed a Feedback Position Control System for the Electronic Throttle Body using MotoHawk and MotoTune.
Designed and Tuned model based PID Controller to minimize the Steady State Errors.
Developed CAN network between ECU'S of PID controller and PWM generator.
Implemented a Linear Interface Model to Relate PPS and TPS signals with Throttle actuation.
Design and Calibration of Fuel Injection Control logic for Single Cylinder 4 Stroke Engine Oct- Dec, 2015
Designed a model based control logic for fuel injector using MotoHawk (Embedded Software).
Calibration and model verification is done runtime using Hardware in the loop (HIL) testing
Varied injection duration and start of injection based on speed of the engine and exhaust temperature.
Modelled PMDC motor, power electronics, IC Engine, Transmission and battery subsystems in
Simulink(Matlab) for Hybrid Electric Vehicle (HEV) Sept- Dec, 2015
Power required for vehicle propulsion was estimated based on free body analysis and equation of motion.
Validation of model based electric subsystems is done based on energy analysis by observing instantaneous
current drawn from battery, duty cycle values, output voltages and power losses over a drive cycle.
Integrated Engine subsystem and developed torque blend strategy for efficient energy management in hybrid
mode.
Modelled optimal gear shift logic for engine based on BSFC contour maps of Torque and RPM in Matlab.
Integrated all subsystems and added regen braking and fine-tuned model for fuel consumption improvements.
Design and fabrication of Supra SAE F’1 race car Oct 2011- Dec 2012
Designed the chassis of the car using CATIA V5 considering ergonomics of the driver.
Lead design team and Assisted fabricated the chassis of the car.
Installed brake over travel switch to reduce the fuel consumption.
Our car has qualified all the tests and participated in the endurance held in Budh International Circuit and stood
14th all over India.