Spherical Robot
Research Prototype
Dual-DOF pendulum drive enabling omnidirectional motion with precise trajectory tracking.
PythonMechatronicsControl
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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 a growing love for machine learning. My goal is to build robots that make daily life easier.
Technical Skills
PythonMATLAB/Simulink MuJoCoReinforcement Learning Autodesk Inventor Siemens NX AutoCAD Arduino Raspberry PiEducation
B.S. in Mechanical Engineering
National Taiwan University · 2021 – 2025
GPA: 4.19 / 4.3
Ranking: 2 / 182
Key coursework: Robust Control, Digital Control, Mechatronics, Deep Reinforcement Learning, Mechanism Design
Experiences & Achievements
- Google - Product Design Engineering Intern · 2024
- Academia Sinica - Summer Researcher · 2024
- ME Student Assoc. - Director · 2023-2024
- Little Mechanical Engineering Camp - Coordinator · 2022–2023
- Mechanical Engineering Makerspace – Utility Aide · 2023–2025
- 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
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.
Self Landing Rocket
Control Theory
Simulate and control a rocket for a self-landing task.
MatlabSimulinkAdvanced Controller Design
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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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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-Based VR Control System
Analog Circuit Design
Developed an EOG-based VR eye-control system with custom circuitry, Arduino integration, and Unity interface, mitigating signal drift and noise.
Analog Circuit DesignArduinoUnity
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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 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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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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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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Aero Rider
Mechatronics & Control
Built a wind-powered vehicle with encoder feedback and PD path tracking; analyzed caster-wheel friction to optimize sail design.
PD ControlAerodynamicsMechanism Design
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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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Frisbee Throwing Robot
Robotics & Mechanism Design
Built a finalist frisbee-throwing robot, reducing power use by 30% with a lifting mechanism and designing a turning system for a 30 kg structure.
Mechanism DesignRoboticsMechatronics
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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
marshall.poyu.chang@gmail.com
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Location
Taipei, Taiwan
Taipei, Taiwan