Data Pipeline Automation, Prime Rewards

▪ Developed a web platform utilizing the Kohana HMVC framework, enabling the Business Analysis team to perform contract-level data operations effectively.▪ Enhanced the accuracy of fee details in monthly billing statements and automated data injection from BigQuery to MySQL using the Kafka streaming platform, mitigating revenue loss by increasing synchronization rates.▪ Established an Airflow DAG monitoring platform to handle multiple alert scenarios, overseeing the fee calculation process and validating statement results using Python.▪ Automated the monthly billing process, significantly improving the efficiency and reliability of the service.▪ Designed and implemented a promotion and tiered pricing model for merchants and partners, fostering mutually beneficial relationships.

Blind Guidance System in Control/Robotic Research Laboratory▪ Implemented Real-Time Appearance-Based Mapping (RTAB-Map) using a ZED stereo camera, generating detailed 3D point clouds of the surrounding environment.▪ Designed and integrated global and local path planners to provide precise step-by-step navigation towards the destination.▪ Developed a communication node that utilizes a headset to deliver specific instructions to visually impaired individuals, offering early warnings when dynamic obstacles appear along the planned route.

Human Detection and Collision Avoidance on WeWork Mobile Robot▪ Developed a multi-sensor people detection algorithm for an office service robot, utilizing 2D SICK LiDAR and RealSense RGB-D cameras to detect obstacles along planned routes.▪ Optimized object detection by transitioning from the MobileNet-SSD model to the YOLOv3-Tiny model, significantly reducing detection latency and ensuring compatibility with both GPU and CPU on the NVIDIA Jetson AGX Xavier Development Kit.▪ Designed and implemented a negotiation ROS node enabling voice communication with individuals to facilitate path negotiation when the robot’s planned route was obstructed.Hu

Intelligent indoor cultivation system ▪ Evaluated various localization techniques, including LiDAR and DM code anchoring methods, on a ROS-based mobile platform to optimize positional accuracy.▪ Designed and implemented A*-based multi-robot path planning algorithms in C++, facilitating efficient navigation and coordination among multiple robotic units.▪ Developed advanced collision avoidance algorithms for both static and dynamic obstacles utilizing adaptive control and dynamic programming, significantly reducing the robot's reaction time.

▪ Established a CAN bus between a STM32 processor and SN65HVD230 transceiver▪ Designed electronic circuits and conducted field tests▪ Programmed microcontroller to communicate with stepper motor for sample collection in warehouse