Experienced Mechanical Engineer
Resume:
STEVE LI
*** ******* **. ***. * Baltimore, MD ***28
**********@*****.***
SUMMARY
Demonstrated experience in product development including project management, design in CAD (mechanical, electrical), electro-mechanical hardware integration (sensors, actuators, electronics)/controls (programming), engineering analysis (Finite Element Analysis), test planning, and experimental validation (Instrumentation, LabVIEW); Broad knowledge in mechanical engineering, electronics, and instrumentation; Self-motivated team player with excellent troubleshooting skills
EDUCATION
Ph.D. in Mechanical Engineering (03/2009), University of Maryland, Baltimore County
Enrolled in Master Program in Mechanical Engineering (08/2003-05/2004), Oklahoma State University
B.Eng. in Mechanical Engineering (07/2002), Zhejiang University, Hangzhou, China
EXPERIENCE
Research Assistant, Mechatronics Laboratory, Advanced Manufacturing and Production Laboratory, UMBC, 07/2004 - Present
Managing funded projects from industry including timeline planning, cost reduction, and documentation; developing novel devices for medical/defense applications;
Development of automatic long-term storage and precision dispensing system for biologic solution (Phase II, Funded by MIPS - Maryland Industry Partnerships, biomedical application)
-Created 3D system assembly in ProE and 2D drawings for machining (bladder holder, dispensing head, and fixtures).
-Designed, soldered, and debugged IO circuit; selected and integrated electro-mechanical components including DC/stepper motors, pneumatic cylinder, drivers, serial multiplexer etc.
-Implemented a meniscus sensor for detecting liquid level including mechanical fixture design and optical sensor control through serial communication.
-Developed system automation/motion control by programming and debugging C code in Silicon Labs microcontroller.
-Developed a single cycle of the dispensing process to preliminarily evaluate dispensing resolution and performance of impact mechanism.
Development of high speed magnetostrictive rod actuator and thin film mirror deflector
(Funded by SESI, Inc. and NASA, Laser Tuning and LIDAR applications)
-Prepared regular meeting and presentation, created detailed specification and recommended modification of product from SESI's requirement.
-Designed magnetostrictive rod actuator in 3D in Solidworks and generated 2D drawings in AutoCAD for machining.
-Designed and fabricated thin film mirror deflector by MEMS procedures (photolithography, wafer wet etching, and metal deposition) in cleanroom.
-Performed Finite Element Analysis (FEA) on structural and thermal response of the deflector.
-Developed a high speed vibration measurement system using optical deflection method (LabVIEW IMAQ, NI frame grabber, and CCD camera).
-Developed analytical models for material characterization (Matlab).
-Designed experiment; analyzed collected test data to characterize material.
Development of an automatic stride length measuring device “TREADTRAC”
(Funded by MIPS, Stroke Rehabilitation application)
-Investigated the feasibility and determined the achievable goal by comparing available state of the art technologies from patents and published papers.
-Created concept design including methodologies, hardware components, software algorithm, and mechatronic interface; prepared technical part of proposal.
-Assisted in components evaluation, methodologies validation, and PCB design.
Investigation of the contribution of cyclic growth to the failure of restored teeth.
Investigation of hydroxyapatite waterjet peening on metal orthopaedic implants.
Teaching Assistant, Materials/Controls/Vibration, UMBC, 08/2004 - 12/2008
Instructing undergraduate students in laboratory (controls/vibration) and courses (automatic controls, material science).
-Supervised and led students in control projects in LabVIEW data acquisition system.
-Hands-on experience of sensors (accelerometer, gyroscope, light sensor, ultrasonic sensor, pressure sensor, inductive sensor, strain gauge, thermocouple), actuators (servo/stepper/piezoelectric motor) and other electronics (relay, solenoid, transistor, op amp, timer etc.).
-Cooperated with professors and created supplemental instructional materials; performed regular maintenance of the lab; trained and provided technical guidance to other doctoral teaching assistants.
Instructor, Fujian University of Technology, China 09/2002 - 07/2003
Mentoring new undergraduate students regarding academic path; experience of basic lathe and tools in machine shop; experience of working with manufacturers in China
SKILLS
CAD Tools: AutoCAD, Pro/Engineer, SolidWorks, Protel
Analysis Tools: LabVIEW, MATLAB/Simulink, Comsol, ANSYS, MathCAD, SAS
Programming Languages: C, Visual Basic, Assembly, PLC
PC software: Microsoft Office Suite, SigmaPlot
Instrumentation: National Instruments hardware, oscilloscope, signal generator, multimeter, microprocessor (Intel, Analog Devices, Silicon Labs, Microchip), CCD camera, transducer, clean room facilities, SEM, in-circuit emulator, robotics
PROFESSIONAL PUBLICATIONS
1. S. Li, R. Angara, J. Wang, and M. Anjanappa, “Magnetostrictive thin film mirror deflector”, Submitted to Journal of Intelligent Material Systems and Structures.
2. R. Angara, S. Li, and M. Anjanappa, "High speed magnetostrictive mirror deflector", Submitted to Journal of Smart Materials and Structures.
3. R. Angara, S. Li, and M. Anjanappa, "Automated Long-Term Storage And Precision Microdispensing System For Precious Biologic Solutions", Submitted to Mechatronics.
4. M. Anjanappa, R. Angara, K. Datta, T. Song, S. Li, “Introduction to Sensros and Actuators”, The Mechatronics Handbook 2nd Ed, Edited by Robert H. Bishop, P 17-1 to 17-20, CRC Press, New York, 2008.
5. Si Li, Raghavendra Angara, Jingrui Wang, M. Anjanappa, C. Presad, and W. Shi, “Magnetostrictive thin film mirror deflector”, Proc of ISSS 2008- Int conf on smart materials structures and systems, Bangalore, India, July 24-26, 2008.
6. Raghavendra Angara, Si Li, Jingrui Wang, Awad Gharib, M Anjanappa, C Prasad and W Shi, “High frequency driver for magnetostrictive mirror deflector”, Proc of ISSS 2008- Int conf on smart materials structures and systems, Bangalore, India, July 24-26, 2008.
7. M Anjanappa, R Angara, S. Li, "Micro/MEMS actuators for micro-fluidic applications", Proc of ISSS 2005- Int conf on smart materials structures and systems, Vol.2, SE-64-71, Bangalore, India, July28-30, 2005.
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