Marshall Chang

Po-Yu (Marshall) Chang

Mechanical Engineering Student
National Taiwan University · Class of 2025

About Me

I’m a robotics-obsessed engineer who blends mechanism design, control theory, and reinforcement learning, passionate about developing adaptable robotic systems for locomotion and manipulation to support elder care, address labor shortages, and create meaningful societal impact.

Experiences & Awards

  • BioRoLa – Researcher · 2023–2025
  • Stochastic Estimation – Teaching Assistant · 2025
  • STAR Rocketry – GNC Designer · 2025
  • Google - Product Design Engineering Intern · 2024
  • Academia Sinica - Summer Researcher · 2023
  • ME Student Assoc. - Director · 2023-2024
  • Mechanical Engineering Makerspace – Utility Aide · 2023–2025
  • Little Mechanical Engineering Camp - Coordinator · 2022–2023
  • Presidential Award · 2023 Spring/Fall 2024 Spring/Fall
  • Fu Bell Scholarship · Awarded to 2 out of 180 students in the ME Department.
  • Lin Hsiung-Tzuo Education Foundation Scholarship – Selected from 1,210 students nationwide

Education

B.S. in Mechanical Engineering
National Taiwan University · 2021 – 2025
GPA: 4.19 / 4.3    3.98/ 4.0
Ranking: 3 / 210
Key coursework: Advanced Controller Design, Digital Control, Robust Control, Deep Reinforcement Learning, Mechatronics, Mechanism Design

Technical Skills

PythonMATLAB/Simulink MuJoCoReinforcement Learning Autodesk Inventor Siemens NX AutoCAD Arduino Raspberry Pi

My Projects

Here are some of the projects I've worked on during my studies and personal time. Each project represents a different aspect of my learning journey and technical growth.

Spherical Robot

Spherical Robot

Undergraduate Research

Dual-mode spherical robot with coaxial pendulum drive and impulsive momentum actuation, enabling omnidirectional rolling, side-rolling, and deformable terrain escape.

PythonMechatronicsControl
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Self Landing Rocket

Self Landing Rocket

Control Theory

Simulate and control a rocket for a self-landing task.

MatlabLQRDOB
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robot_cat

Backflip Robot Cat

Mechanism Design

Designed a low-cost rapid energy release-mechanism to allow a robot cat to do backflip.

3D PrintingMechanism DesignMechatronics
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AFM

3D-printed Atomic Force Microscope

Fast Prototyping

Designed and built a 3D-printed atomic force microscope achieving 40-nm precision for graphene-layer imaging at a total cost of ~$3,000.

3D PrintingOpticsMechanism Design
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EOG

EOG Eye-Control Interface

Analog Circuit Design

Developed an EOG-based eye-control system with custom circuitry, Arduino integration, and Unity interface, mitigating signal drift and noise.

Analog Circuit DesignArduinoUnity
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Morphology Locomotion

Morphology HalfCheetah Locomotion

Deep Reinforcement Learning

SAC-based HalfCheetah locomotion with domain randomization and morphology-aware inputs, enabling robust zero-shot generalization across leg lengths and friction.

SACMuJoCoDomain Randomization
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RL

Mario Game with DQN

Deep Reinforcement Learning

Trained a Double Dueling DQN with Noisy Networks, n-step returns, and curriculum learning to complete World 1 of Super Mario Bros within 5,000 episodes.

Double Dueling DQNNoisy Networks
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Stair_Robot

Stair Climbing Robot

Kinematic & Trajectory Planing

Designed a stair-climbing robot with cubic polynomial trajectory planning and Denavit–Hartenberg parameters for smooth, accurate motion.

Trajectory PlanningD-H tableMechatronics
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med

Medicine sorting machine

Digital Circuit Design

Developed an automated medicine sorting machine for the elderly, integrating a light-based system with photoresistors, a Schmitt trigger, and logic gates to reduce GPIO pin usage by 25%.

Digital Circuit DesignMechatronics
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chair

Interactive Focus Chair

Machine Learning

Developed a phone-use detection chair that identifies users on their phones and automatically pushes them off to discourage distraction.

Machine LearningMechanism Design
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wardrobe

Smart Wardrobe

Product Design & IOT

Developed a smart wardrobe that locates and recommends clothes; designed exterior, selected materials, and integrated pressure sensors for clothing tracking.

Product DesignIoTSensors
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Get in Touch

Always up for a collaboration, research chat, or coffee!

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Email
marshall.poyu.chang@gmail.com
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Location
Taipei, Taiwan