Henry Chang

(Nationality: U.S. Citizen)

626-***-**** adgyci@r.postjobfree.com LinkedIn: linkedin.com/in/henrychang1126 GitHub Portfolio QUALIFICATIONS

Proficient in Programming, Prototyping, CAD and Design optimization for Robotics. Knowledged in Mobile Robotics, Mechatronics, Control, Dynamics and Mechanical Design. Proven hands-on project skills, leadership and critical thinking in interdisciplinary projects. Strong eager for building up intelligent robot and grappling with engineering challenges. EDUCATION

University of California San Diego, US Sep.2018 – June 2020 Master of Science in Mechanical Engineering, GPA 3.7+

• Relevant Coursework: Bioinspired Robotics, Design Optimization, Computer Aided Design, Robot Motion Planning National Cheng Kung University, Taiwan Sep.2013 – June 2017 Bachelor of Science in Civil Engineering with minor of Mechanical Engineering, GPA 3.5+

• Relevant Coursework: Control Theory, Dynamics, Solid Mechanics, Fluid Mechanics, Vibrations THESIS

Virtual Leg Compliance Improves Swing-phase Collision Response when Walking on Uneven Ground Mar. 2019 - Present

• Developed anisotropic passive compliance algorithms of brushless DC motors through Python, improved legged robot obstacle avoidance by 500% on rough terrain without sensing obstacles and trajectory re-planning

• Optimized robot leg design using Python OpenMDAO framework for generating agile feedback, lightening the unsprung mass by 15%

• Employed black box PID and proprioceptive torque controller to compare trajectory tracking and passive compliance during collision PUBLICATION

• Henry Chang, Justin Chang, Glenna Clifton and Nick Gravish, “Virtual Leg Compliance Improves Swing-phase Collision Response when Walking on Uneven Ground” to be in Proceedings of 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2020) ENGINEERING EXPERIENCE

Teaching Assistant, Graduate Level Course: Bioinspired Mobile Robotics, UCSD Spring 2020

• Coordinated hand-on legged robot project with 25 graduate students, resolving hardware and Python programming issues with 6 teams

• Hold a 3-hour office hour weekly, solving student’s questions by giving short lectures and conceptual instructions Mentor/Co-Advisor, GEAR, Planetary Gears for Bio-Inspired Mobile Robot, UCSD Sep. 2019 – June.2020

• Mentored undergraduate gearbox design project through SolidWorks, boosting the DC motor torque up to 300% with low cost

• Modeled the gear system in SimMechanics, aiming to 3D print a low complexity, high rigidity and low friction planetary gearbox. Building Inspector Intern, City of Hawthorne, Hawthorne July 2018 – Sep.2018

• Enforced California Building Code on the construction plan, providing safe dwelling and commercial area

• Inspected SpaceX & Tesla job sites in Hawthorne city with standard procedures to ensure construction quality and workers’ safety Mechanical Engineer Intern, FCS Machinery Manufacture Company, Taiwan July 2016 – Sep.2016

• Designed sheet metal cover for injection molding machine with Creo Parametric, lightening the model weight by 13%

• Created the assembly layout design of plastic injection molding machine with AutoCAD & SolidWorks Automation Apple machine learning CV ROS

RESEARCH EXPERIENCE

Bioinspired Legged Robot Communication Upgrade and Platform Development Mar. 2019 - Present

• Implemented CAN/UART/I2C protocols through embedded systems, speeding up the robot communication up to 150%

• Modularized quadruped testing platform using laser cutter and machine tools, providing a highly compatible communication interface Study on Arrangement of Pores on Tsunami Wall of Maanshan Nuclear Power Plant Sep. 2015 – Jun.2016

• Analyzed the solid-fluid interaction with ANSYS Fluent, optimizing impact resistance of the structure up to 175%

• Generalized large scale 3D FEA task to 2D cross-sectional analysis, resulting in notable calculation efficiency

• Developed different arrangement of pores on the model, reducing the building materials usage by 15% HIGHLIGHT SKILLS

• Designing/Simulation: SolidWorks, Pro/E (Creo), AutoCAD, Altair, V-REP, ANSYS.

• Programming/Scripting: Python, C++(Arduino based), Git, Shell script, Linux, MATLAB.

• Prototyping/Manufacturing: Arduino, RaspberryPi, Teensy, 3D printing, Laser cutting, Machine tools.

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