• Senior robotics researcher at 3M corporate research process lab• Deliver commercialized robotic product for external customer• Develop robotics and AI technology to accelerate product development• Apply robotics and automation solution to internal manufacturing • Draft invention disclosures and protect IP through patent filling

Smart and Sustainable Automation Research Lab – Friction Isolator• Developed the friction isolator, a cost-effective electro-mechanical component, to improve speed and accuracy of high precision motion stages for manufacturing machines, such as wafer inspection tool• Characterized and simulated the isolator in Matlab/Simulink to predict its dynamic performance• Designed the 3D CAD model in NX and optimized its structure using FEA with COMSOL and ANSYS• Assembled and built an experimental testbed for prototyping validation• Benchmarked performance of different control algorithms during tests including PID, LQR and ILC• Released the assembly drawings of the testbed with GD&T for outsourced manufacturing • Improved the performance of the mechanism through design validation, failure analysis and RCA• Demonstrated significant improvement of precision (up to 90%) and speed (up to 70%) of the machine• Innovated a new version of the friction isolator, using electro-magnetic mechanism and VCMs, for achieving better performance and reliability

ME 584: Advanced Mechatronics for ManufacturingThe course teaches theoretical principles and practical techniques for controlling mechatronic systems used in advanced manufacturing applications • Prepared course materials and delivered lectures• Designed labs to facilitate students to gain hands-on experiences on design (kinematic, actuator, sensor and guideway), system identification and advanced control of precision manufacturing machines• Developed a new course project that strengthens students’ understanding and application of design- and control-based methods using desktop 3D printers and Labview real-time controller

Smart and Sustainable Automation Research Lab – Vibration Assisted Nanopositioning (VAN)• Invented an electro-mechanical mechanism, which utilizes high frequency vibration generated by piezo actuator, to improve the speed of nanopositioning stages, hence boosting the manufacturing productivity• Designed a VAN prototype stage with numerical validation and simulation in Matlab/Simulink and Adams• Developed and implemented robust feedback control algorithms in dSPACE for solving the vibration problem that caused by the imperfections in manufacturing/assembling• Manufactured the proof-of-concept system at the machine shop• Achieved more than 50% improvement of positioning speed during hardware validation tests

ME 541: Mechanical VibrationThe course teaches time and frequency domain techniques for analyzing multi-body dynamic vibrations

Shimmy Vibration of Aircraft Landing Gear• Investigated the application of inerter, a mechanical device, to reduce shimmy vibration of landing gears• Explored different implementations of inerter and created performance metrics for evaluating their performance in simulation using Matlab• Examined the stability of the landing gear system by establishing the stability criteria using analytical and numerical methods

Whitesides Research Group – Pneumatic Valve Design for Soft Robotics• Designed pneumatically valves using PDMS and dielectric elastomer material for controlling soft robotics• Fabricated the polymer valve and soft material product with molding process• Delivered the optimal design by evaluating the flow rate and switching speed of different valve prototypes using FEA simulation, and data acquisition/analysis methods with LabView and NI DAQ