Power Electronics Engineer

Jing Huang

**** ****** **. *** *, Rolla, MO ****1

Phone: 603-***-****

E-mail: ***********@*****.***

OBJECTIVE

A full-time position in electrical engineering that requires solid

background in design and development of power electronics, motor drives,

analog/digital circuits, and embedded control systems.

PROFILE

* Highly motivated, team-spirited professional with 10 years experience

in research and development in the areas of power electronics, electric

machine drives, and embedded control.

* Strong background in electronics, switch-mode power supplies, power

management, electric machinery, hybrid/electric vehicle, control design,

and EMC/EMI.

* Modeling and simulation experiences with various dc/dc, ac/dc, dc/ac

power converters, electric machines and related control algorithms.

* Extensive hands-on experience in the design, analysis and hardware

implementation of a variety of switch-mode power converters, including

dc- dc converter, rectifier, inverter and power factor corrector.

* In-depth understanding of signal processing and control algorithm

implementation using micro-controllers and DSPs.

* Exceptional knowledge of the structure, operation and control of

synchronous machines, induction motors and brushless dc motors.

* Product design experience with menu-driven LCD human-machine interface

using microcontrollers.

* Very strong technical and analytical skills in troubleshooting circuits

and finding root cause of failures.

* Good communication skills and team-work spirit.

TECHNICAL SKILLS

* Analog/digital circuit design:

DSP, CPLD, Microprocessor, Power Supply controller ICs.

* Simulation:

Simulink, ACSL, PSpice, Simplorer

* Programming and others:

C, Assembly, Matlab, LabVIEW, VHDL and MathCad

INDUSTRIAL EXPERIENCE

Thermadyne Industries, Inc, West Lebanon, NH

Power Supply Design (06/ 2008~08/ 2008)

* Tested and evaluated a 4.5 kW plasma cutting power supply prototype

(half-bridge and constant current output). Tested the power factor

correction circuit and proposed changes to achieve better performance.

Investigated transformer saturation issue, found the root cause, proposed

solution, and verified with experiments.

Beijing Sifang Automation Co.,Ltd, Beijing, CHINA

Research & Development Embedded Engineer (03/2000 – 01/2003)

* Designed and implemented relay protection units, measurement and

control units used in power substations, including LCD human-machine

interface board, Data acquisition (Various sensors, ADC, DAC), Data

storage (RAM, ROM, EEPROM, FLASH), Communication (CAN, SPI, IIC and RS-

232), GPS timing, Mitsubishi M16c/62 microprocessor and power substation

control function.

RESEARCH EXPERIENCE

Power Electronics and Motor Drives Laboratory, University of Missouri–Rolla

Graduate Research Assistant (08/2004-present)

* Conducted research and development projects for the US Navy and

industrial sponsors.

* Built a cascaded diode-clamped multi-level inverter with ultracapacitor

as additional power supply for hybrid vehicle applications with improved

efficiency by eliminating dc-dc converters; Implemented control algorithm

on a DSP (TI TMS320F2812) – CPLD (Cypress) hardware system.

* Designed and implemented a multi-phase multi-level inverter for five-

phase induction machine for minimizing the torque ripple and extending

voltage range;

* Teamed with graduate research assistants to build a piezoelectric

energy harvesting system, designed a practical self-powered converter to

capture more power.

* Designed a switching chopper circuit for 50-MVA 13.8-kV system.

* Designed and built a novel impedance measurement device to analyze

stability of power electronic systems; LabVIEW program was written to

provide DAQ functions and an easy-to-use interface, and all the

control/switching functions were implemented with a TI TMS320F2407 DSP. A

three-phase rectifier-inverter-motor drive system was built as a test

bench.

* Analyzed small signal stability in the three-phase and single-phase ac

power electronics systems in the frequency domain.

* Extracted parameters of synchronous machine on-line accurately, based

on Genetic algorithm and small-signal impedance theory.

* Conducted detailed simulation of motor drive systems with ACSL and

MATLAB Simulink, which included various converter circuits, electric

machines (dc, induction, synchronous, PMSM), and different control

algorithms (Volt/Hz, Vector, Direct-Torque).

Power Electronics and Motor Drives Laboratory, University of Wisconsin-Milwaukee

Graduate Research Assistant (01/2004 – 07/2004)

* Developed and implemented a flying-capacitor multi-level inverter with

an increased number of voltage levels; implemented capacitor balance

algorithm on a DSP-CPLD hardware system.

North China Electric Power University, Beijing, CHINA

Graduate Research Assistant (02/1999 – 03/2000)

* Designed and implemented measurement and control units with Mitsubishi

M16c/62 microprocessor used in power substation systems.

EDUCATION

* Ph.D. Electrical Engineering

University of Missouri–Rolla, Mar. 2009 GPA: 4.0/4.0

Dissertation Title: “AC/DC Power System Small Signal Impedance

Measurement for Stability Analysis”

* M.S. Electrical Engineering

University of Missouri–Rolla, Dec. 2005 GPA: 4.0/4.0

Thesis Title: “Extended operation of flying capacitor multilevel

inverters”

* M.S. Electrical Engineering

North China Electric Power University, Mar. 2000

* B.S. Electrical Engineering, specializing in Power System

Nanchang University, China, Aug. 1997

PATENT AND PUBLICATIONS

Patent application pending “Impedance Measurement Using Line-To-Line

Current Injection”

Eleven technical papers published or accepted by various IEEE

Transactions and Conferences.

HONORS

UWM Chancellor's Graduate Student Fellowship 2004

Beijing Science and Technology Second Award 2004

Employee Excellence Award 2002

PROFESSIONAL AFFILIATIONS

Institute of Electrical and Electronics Engineers (IEEE)

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