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Peiyang (Ben) Li

Student

Education

Bachelor's Degree, Northwestern University

2025 - 2029

IBDP Candidate, Shanghai Pinghe School

2023 - 2025

Graduated on the Principal's List (top 5% of class)

Work Experience

Undergraduate Research Assistant, Xenobot Lab

October 2025 - Present

  • • Developed and implemented a UWB-based localization system using the DW1000 transceiver
  • • Achieved accurate 3D positioning with a three-anchor, one-tag setup
  • • Working on modular robot with PHD
  • • Working on using RL methods to train in real life of a single motor ball with IMU data

Engineer, HaptE

September 2025 - Present

  • • Developed edge AI inference pipeline for warehouse automation using TensorFlow on Nvidia Jetson Orin Nano
  • • Trained and optimized multi-modal recognition system (segmentation, OCR, QR/barcode detection) for real-time local processing
  • • Built multi-edge device coordination system with AWS IoT Core for distributed warehouse pick-and-place operations
  • • Achieved fully local inference without cloud dependency, enabling autonomous item tracking and error prevention from camera input alone

Research Intern, Machine Learning & Language Lab, Northwestern University

September 2025 - Present

  • • Researching spatial intelligence agents and helping PHD research projects in embodied AI
  • • Developing comprehensive training playground for object manipulation using Genesis physics simulator
  • • Designed automated system to import 3D objects, generate target/initial states, and produce optimal image-text sequences for standardized multi-modal training pipelines

Research Intern (Algorithm), Differential Robotics

June 2025 - August 2025

Worked on two autonomous drone projects:

  • • Optimized sparse reward RL for obstacle avoidance navigation
  • • Implemented real-time computer vision for high-speed stunt maneuvers, achieved 90% success rate in extreme conditions using MobileNetV3 architecture

Projects

End-to-End High-Speed Drone Frame Navigation System

2025

Visualized Results →
  • • Developed an end-to-end vision navigation system enabling drones to traverse 85° tilted frames at 4–6 m/s with near-100% success.
  • • Optimized MobileNetV3 + DeepLabV3+ backbone on Jetson Xavier NX via TensorRT, achieving ~3ms inference latency and >60Hz control frequency.
  • • Trained RL control policies with shaped rewards and distillation-aware regularization to ensure stable high-speed maneuvering.
Drone takeoff 1Drone takeoff 4Drone takeoff 9Drone takeoff low

End-to-End RL Drone Navigation System

2025

  • • Built an end-to-end navigation pipeline in IsaacLab using deep reinforcement learning (PPO), mapping high-dimensional sensor inputs (depth images + proprioceptive states) directly to low-level motor actions.
  • • Implemented curriculum learning & domain randomization (obstacle density, dynamic disturbances, sensor noise) to improve generalization and enable sim-to-real transfer.
  • • Designed hybrid reward shaping: integrated Dijkstra-based path priors, directional distance rewards, ESDF collision penalties, and smoothness constraints to stabilize long-horizon flight.

Modeling Soccer Ball Trajectory

2023

  • • Developed computational simulation using Python, hydrodynamics, and ML
  • • Incorporated Magnus effect for accurate modeling
  • • Achieved <40cm trajectory error in windless conditions

Skills

LaTeX
Python
Data Analysis
Machine Learning
Reinforcement Learning
Computer Vision
Web Development
Drone Operation
Photography
Video Editing
3D Modeling

Awards

Mathematics & Modeling

  • • High School Mathematical Contest in Modeling (HiMCM): Outstanding (Global Top 1%) [pdf link]
  • • American Regions Mathematics League (ARML): Global Top 10

Languages

Chinese (Native), English (Native), German (Basic)

Interests

Photography, Filmmaking, Travel, Soccer, Badminton. View my photography portfolio for creative work samples.