Mechanical Engineering

Zheng Shen

** ***** ****. *** ***, ********@*****.***

State College, PA 16803 Phone: 814-***-****

OBJECTIVE

Full-time positions related to complex electrical and mechanical system design &

control.

EDUCATION

Penn State University, University Park, PA (GPA: 3.9, top 5%) 2009 –

2013

Ph.D Mechanical Engineering (Minor in Electrical Engineering)

University of Michigan, Ann Arbor, MI (GPA: 4.0, top 1%) 2008 –

2009

M.S.E Mechanical Engineering

Shanghai Jiao Tong University, Shanghai, China (GPA: 87/100, top 5%)

2003 – 2007

B.S.E Mechanical Engineering (Minor in International Economy and Trade)

EXPERTISE

Control-Oriented System Modeling, Dynamic Systems Control/Estimation, System

Identification, Battery Management System Design, Battery Equalization, SOC/SOH

Estimation, FEM/FDM, Mechanical Vibration, Solid Mechanics.

PROJECT EXPERIENCE

Battery System Control for Electric Locomotives (DOE project)

2009 – Present

Mechantronics Research Lab, Penn State University, University Park, PA

Designed a BMS with SOC/SOH Estimation functionalities;

Developed a battery simulation system 30 times faster than

general software (CFD);

Introduced parameter switching mode to state estimation and

reduced error by 95%;

Optimized state estimator design and solved system stability

issues;

Applied parameter estimation methods to measure and track

battery parameters with much higher accuracy than traditional

electrochemical methods;

Designed control algorithm for a lab-made multipurpose

programmable battery testbed ;

Grasped battery capacity recovery methods and related circuit

and control algorithm.

Optimal Condition-Based Maintenance for Mechanical Systems

(Multicampus project) 2008 – 2009

S.M.Wu Manufacturing Research Center (WuMRC), University of Michigan, Ann Arbor, MI

Collected operational data of a device and estimated its Remaining

Useful Life in MATLAB using statistical methods;

Designed a condition-based system to optimally schedule

maintenance and reduced average downtime by 30%.

Nonlinear Vibration and Control of Gas Turbine Rotors (Chinese NSF

project) 2007 – 2008

State Key Lab of Mechanical System and Vibration, Shanghai, China

Preliminary research: Mechanical Vibration, Acoustics, and

Modal Analysis.

A Compliant Mechanism Based on the Sense of Force (Chinese NSF project)

2003 – 2007

Research Institute of Robotics, Shanghai Jiao Tong University, Shanghai, China

Designed a micro-mechanism and force-sensing circuits

using flexure hinges.

Purchased gage, PZT and other parts, assembled and debugged

the device;

Analyzed stress, displacement, and acting forces on the device

theoretically.

Modeled the mechanism in UG and SolidWorks and performed

FEA in ANSYS.

SKILLS

Chinese, MATLAB, MAPLE, LaTeX, ANSYS, SolidWorks, UG, AutoCAD, CorelDRAW, C++,

LabView.

HONOR & SCHOLARSHIP

Research Assistantship, PSU (’09-’13) Teaching Assistantship, PSU (’09),

Excellent Scholarship of Graduate Students, Excellent Graduate, SJTU (’07)

SJTU (’07-’08) Excellent Student, SJTU (’05)

Outstanding League Member, SJTU Study Pacemaker, ME School, SJTU(’05)

(’04,’05,’06)

Excellent Academic Scholarship, SJTU

(’04,’05,’06)

AFFILIATIONS

American Society of Mechanical Engineers, Student Member,

•

2010- Present

Sports Union of SJTU, Member, 2004-2007

•

Mechanical Engineering Student Quality Development Center,

•

Director 2004-2005

Love Care Tutors, Group Leader of Volunteer Tutors,

•

2003-2004

PUBLICATIONS

Journal publications:

Zheng Shen and Christopher D. Rahn. Model-based State-Of-

•

Charge Estimation for a Valve-Regulated Lead-Acid Battery using

Linear Matrix Inequalities. ASME Journal of Dynamic Systems,

Measurement, and Control. (2013).

Zheng Shen and Christopher D. Rahn. Physics-based Model of a

•

Valve-Regulated Lead-Acid Battery and an Equivalent Circuit. ASME

Journal of Dynamic Systems, Measurement, and Control. (2013).

Journal submissions:

Zheng Shen and Christopher D. Rahn. Least Squares State-Of-

•

Health Estimation for Lead-Acid Batteries. Journal of Power Sources.

(2013).

Zheng Shen, Lei Cao, Christopher D. Rahn, and Chao-Yang Wang.

•

. Least Squares Galvanostatic Intermittent Titration Technique (LS-

GITT) for Accurate Solid Phase Diffusivity Measurement. Journal of The

Electrochemical Society. (2013).

Conference Proceedings:

Ying Shi, Githin Prasad, Zheng Shen, and Christopher D. Rahn.

•

Discretization Methods for Battery Systems Modeling, American

Control Conference, June (2011).

Conference Presentations:

Zheng Shen and Christopher D. Rahn. Model-based State-Of-

•

Charge Estimation for a Valve-Regulated Lead-Acid Battery, ASME

Dynamic Systems and Control Conference, October (2012).

Zheng Shen, Jun Gou, Christopher D. Rahn, and Chao-Yang

•

Wang. Ritz Model of a Lead-Acid Battery with Applications to

Locomotives, ASME Dynamic Systems and Control Conference,

November (2011).

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