Mechanical Engineering Engineer

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MOHAMMAD GUDARZI, PhD

Pittsburgh, PA ***** (Willing to relocate) +1-412-***-**** ********.*******@*****.***

Permanent Resident (Green Card Holder)

MECHANICAL ENGINEER

Summary: Experienced and accomplished researcher in mechanical transducers, dynamical systems modeling, NVH and control design with 6+ years of experience, looking to extensive background in different research groups. Expertise with design and calibration of dynamical sensors and data acquisition. Specialist in ground vehicle dynamics and active suspension technology. Proficient in MATLAB, Simulink, C++, Abaqus, Ansys, AutoCad, Solid Works, Working Model, Adams/view, LabVIEW, R and Python and skilled producer of mechanical engineering documentation and drawings.

KEY COMPETENCIES

Automatic control Dynamical systems Senssors Acoustics & Vibrations Ionic polymers DAQ Mechanical transducers NVH Sensor calibration Vehicle dynamics Active vehicle suspensions Stractural noise and vibration control Musculoskeletal modeling Biomechanics Simulation CAE FEA 3D printing Medical devices R&D Project Leadership & Support Lab Projects Multidisciplinary Data Analysis Technical Writing Communication Process Development Benchmarking Continuous Learning & Improvement Presentations Problem Solving

PROFESSIONAL EXPERIENCE

Research Assistant at Microsensor and Microactuator Laboratory

University of Pittsburgh, Mechanical Eng. and Material Sci. Department. September 2014 – Current

Developed ionic polymers as soft touch sensors and wearable medical devices

Designed, modeled and fabricated dynamic pressure ionic polymer sensors

Calibrated of transducers based on DAQ, filtering, system identification and FRF analysis

Designed and fabricated a standard pressure shock tube to study dynamic sensors under the blast wave

Used 3D printing to design and produce several mounts for different sensor designs

Trained new team members

Was Lab instructor for Mechanical measurement II – dynamical systems, PID controller and PLCs

Skills: IPMC, DFM, Medical sensors, DAQ, Impedance analyzer, Simulation, MATLAB, Mathematica, SolidWorks, LabVIEW, Signal processing, PLCs, Presentations, Problem Solving, Lab Projects, Technical Writing, Training

NVH Engineer

Zagros khodro. September 2012 – September 2014

Tested vehicle level NVH performance for design and validation of automotive powertrain components

Planned and conducted automotive NVH benchmarking

Worked with plants to troubleshoot manufacturing NVH issues of powertrain components

Skills: DAQ, NVH, LabVIEW, Vehicle dynamics, Problem Solving, Color maps, Order analsys

Senior Lecturer

Islamic Azad University. September 2012 – September 2014

Developed several robust controllers for vehicles’ active suspension systems – MATLAB/Simulink

Designed active control systems to reduce noise and vibration of engineering structures and buildings

Taught Vehicle Chassis Design, Machine Design II, Industrial Management, Strength of Materials

Skills: MATLAB/Simulink, Vehicle dynamics, Control design, Noise cancelation, Stractural dynamics, FEA, Project Leadership & Support, Training, Technical Writing, Communication

Research/Teaching Assistant.

Amirkabir University of Technology. September 2011 – September 2012

Developed a MATLAB-based software to simulate human’s musculoskeletal motion

Taught Dynamics, Strength of Materials, Statics and Strength of Materials, Robotics

Skills: MATLAB, Optimization, Robotic arms modeling, Nonlinear control, Redundancy, Musculoskeletal modeling, Anatomy, Training, Technical Writing, Communication

EDUCATION

University of Pittsburgh, September 2014 – Present

PhD Candidate in Mechanical Engineering, GPA: 3.9/4

Sharif University of Technology (Tehran), September 2009 – January 2011

Master of Science in Mechanical Engineering, GPA: 17.27/20

Amirkabir University of Technology (Tehran), September 2005 – November 2011

Bachelor of Science in Biomedical Engineering, GPA: 17.32/20

Amirkabir University of Technology (Tehran), September 2005 – September 2009

Bachelor of Science in Mechanical Engineering, GPA: 16.87/20

SELECTED ACCOMPLISHMENTS AND PROJECTS

Spectrum analyzer software in MATLAB (University of Pittsburgh)

-Broke up a long-time record into an ensemble of sequences

-Used FFT and correction windows on all sequences and computed and averaged the spectral density functions

-Made it user-friendly to interact properly with the user

General purpose software to simulate and analyze human musculoskeletal during a desired motion (Amirkabir University of Technology)

-Derived a multi-body forward dynamic model of human skeletal system and added muscles as external forces

-Applied feedback control to estimate muscle forces to generate a motion that tracks a desired trajectory

-Developed a software package in MATLAB to optimize muscle forces considering muscles dynamics and plot the motion and produced forces

-Used EMG on a couple of people to verify the results

User-friendly software to design axial compressors (Sharif University of Technology)

-Derived constitutive thermodynamics and aerodynamics relations for the stream lines in the blades mean line

-Developed an accurate model of axial flow compressors based on primary parameters like mass flow, rotation speed, stage number, the pressure ratio. Modified blade load factor to make the desired pressure ratio satisfied.

-Used MATLAB GUI as platform for the user-friendly software

Dynamic Model of skid-steering mobile robots (Amirkabir University of Technology)

-Develop a nonlinear mathematical model for a 4-wheel skid-steering mobile robot (P3-AT) considering dynamic model of tires with all slips

-Developing a MATLAB code to integrate all nonlinear dynamic equations for an arbitrary motion

-Studied of the motion in some specified situations verified the results with an Adams/View model

-Applied a robust adaptive control law

TECHNICAL SKILLS

General context: MS Windows, Linux, Unix, MS Office, MS Visio, Adobe Photoshop, CorelDRAW

Programming: MATLAB, Mathematica, C++, Python, R

Dynamic modeling: Working Model, Adams/view

Finite element: Ansys, Abaqus, Nastran

CFD: Fluent & Gambit

Engineer designing: AutoCad, Solid Works, Catia

RELEVANT COURSEWORK AND CERTIFICATIONS

Vibration of Continuous Systems Measurement and Analysis of Vibro-Acoustic Systems Sensors and Actuators Robust Control System Identification Optimal Control Statistics and Probability Data Scientist’s Toolbox R Programming Optical Methods of Measurement in Fluid Mechanics Biomedical instruments Advanced FEA Machine Learning

SELECTED PUBLICATIONS

Modeling, identification and active vibration control of a funnel-shaped structure used in MRI throat, Journal of Vibroengineering, 2013.

Dynamic response of a thick piezoelectric circular cylindrical panel: an exact solution, Shock and Vibration: 2014.

Robust control for ride comfort improvement of an active suspension system considering uncertain driver’s biodynamics, Journal of Low Frequency Noise Vibration and Active Control, 2014.

Active sound radiation control of a submerged piezocomposite hollow sphere, Journal of Intelligent Material Systems and Structures, 2015.

μ-Synthesis controller design for seismic alleviation of structures with parametric uncertainties, Journal of Low Frequency Noise Vibration and Active Control, 2015.

A general-purpose framework to simulate musculoskeletal system of human body: using a motion tracking approach, Computer Methods in Biomechanics and Biomedical Engineering, 2016.

Bending mode ionic polymer-metal composite (IPMC) pressure sensors, Measurement, 2017.

Compression and shear mode ionic polymer-metal composite (IPMC) pressure sensors, Sensors and Actuators A: Physical, 2017.

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