Hybrid Engineer

UMAR Z. KHAN

*** ****** ***

Canton, MI *****

734-***-****

Email: *******@*******.***

CAREER SUMMARY:

• 11 years of Engineering experience in Design and Development of Conventional and Hybrid Powertrain Control Systems.

• 7 years of experience in developing control system models using Matlab and Simulink

• Experience in GM 2-Mode Hybrid System, specifically the AHS-T system.

• Experience in submitting software requirements, validation and testing of new control features in Hybrid and conventional powertrains.

• Experience in performing Diagnostic Certification Testing and Demonstration Durability Vehicle (DDV) testing, and related certification documents submission to the regulatory agencies.

• Experience in different communication protocols such as CAN, LIN and GM-LAN.

EXPERIENCE:

09/2005 – 11/2008 Hybrid Integration Engineer – Hybrid Operating Strategy

AHS-T Hybrid Electric Vehicle Program, Chrysler LLC, Troy, Michigan

• Calibrated the effect of Power Loss during Engine operation in less than optimal state, during Catalyst Light-Off phase.

•Optimized the battery warm-up strategy to improve battery power limits as well as the driveability during cold starts .

• Developed the Misfire monitor, taking into account unique HEV features like Engine Start/Stop and E-Motor Drive Line Damping.

• Designed and Calibrated the Cold Start Diagnostics taking into account its interaction with the Hybrid Operating Strategy.

• Modified the strategy and calibrated Engine Synchronization, Crank and Cam Sensors, Cylinder Deactivation, Variable Cam Timing, Shut-Down Timer and Knock Sensor Diagnostics, for the 2-Mode Hybrid System

• Performed Hardware-In- Loop (HIL) simulations using OPAL/RT for various Vehicle Diagnostics.

•Specified Hybrid Vehicle related diagnostics requirements for Misfire monitor and re-interpretation of CARB regulations as they apply to HEVs.

•Performed a feasibility study and dynamometer mapping for Ion Sense Misfire detection system.

•Researched Specs, Hardware Diagrams, OBD-I requirements for Controller Area Network(CAN) as well as LIN (Local Interconnect Network) based smart Pump for Cooling circuits, Fuel Tank Isolation Valve and Fuel Tank Pressure Sensor for Evaporative Emissions System.

12/2003 – 08/2005 EMS Engineer

Hyundai Delta II Program, Delphi Corporation, Brighton, Michigan

•Performed Emissions thresholding for O2 sensor and Fuel Trim Diagnostics

•Calibrated the spark retard catalyst light off diagnostics as part of the Cold Start Diagnostics.

•Verified the Limp-home strategy for different engine malfunctions.

•Verified ETC Diagnostics to check their compliance with FMVSS

• Performed FTP emissions testing for Misfire Monitor

• Calibrated the OBD-I and Comprehensive Component Monitor

06/98 – 12/2003 OBD-II Development Engineer

Kelly Services, Inc. ,Truck Engine Systems, DaimlerChrysler Corp., Chelsea, MI

• Developed the Catalyst Monitor and Catalyst Temperature Model for the 4.7L gasoline engines according to California ULEV and Federal Emissions standards for Chrysler’s V-8 and V-10 packages

• Calibrated Exhaust Gas Re-circulation (EGR), O2 sensor and Fuel System monitor for truck packages.

• Developed diagnostics for different sensor rationalities as part of the Comprehensive Component monitor (CCM).

• Calibrated Engine Cooling system model as part of the diagnostic algorithm, based on MATLAB and SIMULINK

• Developed Certification documents for California Air Resource Board(CARB) and Environmental Protection Agency(EPA) for Model Year 2000 vehicles.

Control Strategy Engineer

08/97 - 06/98 CAEtech, Inc., Scientific Research Labs, Ford Motor Company, Dearborn, MI

• Developed a strategy for Selective Catalyst Reduction (SCR) of NOx by using a post-injection fueling pulse, for the Ford Diesel Hybrid Electric Vehicle program.

• Implemented a strategy to smooth torque fluctuations during Lean NOx Trap (LNT) purges by using electric motor torque assist.

• Executed a control strategy to use traction motor assist to overcome Turbo Lag in a Variable Geometry Turbo (VGT) as a function of compressor state.

• Designed an experimental setup for fuel characterization of the High Pressure Common Rail (HPCR) Fuel system used in the Ford 1.2L Diesel engine.

Development Engineer

09/95-10/96 Integrated Technologies for Microsystems

NASA Goddard Space Flight Center, Greenbelt, Maryland

• Developed a PID control system for a manufacturing process

• Used digital I/O to control the operation of an Ultra-violet lamp used in semi-conductor etching

• Designed a 64 cell photo-diode array for light calibration of the UV lamp and acquired real-time data using a multiplexer board

• Controlled the operation of peristaltic pump used in the process by analog I/O

• Used GPIB 488.2 Interface to control a digital power supply to operate in constant current, constant voltage and potentio-static modes and performed I-V sweeps

• Designed safety systems with round the clock monitoring of temperature, pressure and hydrogen content in the system

• Controlled real-time load inputs for a vibrating mechanism using a digital power supply to vibrate a piezo-electric ceramic

• Designed and fabricated fluid test systems, consisting of mass flow-controllers and digital flow-meters and interfacing them with the computer using RS-232 interface

• Optically measured particle size and velocity in sprays using Phase Doppler Particle Analyzer

• Characterized the yield strength of a silicon membrane when subjected to acoustic pulses

• Developed a real-time imaging system for micro-spray visualization, consisting of a CCD camera, microscope and a frame grabber software

Co-op Engineer

05/94-08/95 Integrated Technologies for Medicine,

Harry Diamond Army Research Labs, Adelphi, Maryland

• Performed CFD analysis on a fluidic rectifier when subjected to a sudden bubble growth and collapse

• Measured particle size and velocity in different sprays using Phase Doppler Particle Analyzer

• Performed flame tests and collected data correlating extinguishment efficiency to droplet size

EDUCATION:

08/96 Master of Science in Mechanical Engineering

University of Maryland, Baltimore, Maryland

05/92 Bachelor of Science in Mechanical Engineering

University of Engineering and Technology, Lahore, Pakistan

COMPUTER SKILLS:

Software: INCA, Matlab, Simulink, Stateflow, Vector CANalyzer, Real-Time Workshop, Labview , Gredi, CM-Synergy

Languages: C, C++, Assembly, G, Matlab programming language, AutoLISP, Visual Basic

Operating UNIX (SunOS, IRIX, ULTRIX), MS-DOS, WINDOWS,

Systems: VAX/VMS

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