A5102723537- Geotechnical Engineering and Underground Structures
- Numerical methods in engineering
- Railway Engineering and Dynamics
- Adaptive Control of Nonlinear Systems
- Tribology and Lubrication Engineering
- Lubricants and Their Additives
- Advanced Control Systems Design
- Adaptive Dynamic Programming Control
- Guidance and Control Systems
- Gear and Bearing Dynamics Analysis
- Robotic Path Planning Algorithms
- Fatigue and fracture mechanics
East China Jiaotong University
2023-2024
Northeastern University
2021-2022
This work designed a disturbance-observer-based nonlinear sliding mode surface controller (SMC) and validated the using simulated PX4-conducted quadcopter. To achieve this goal, research (1) developed dynamic mathematical model; (2) built PX4-based UAV following model-based design process; (3) appropriate control laws for each degree of freedom; (4) implemented disturbance observers on proposed SMC to finer rejection such as crosswind effect other mutational disturbances; (5) optimized...
This study developed a dynamic model of gear-pair system, involving nonlinear oil film force hydrodynamic bearings and the gear mesh with backlash. Based on this model, numerical simulations are made about instability led by whirl in geared rotor journal bearing system. By comparing responses between single system evolution from individual to adjacent rotors is examined. The results show that can transfer excitations rotors, making different influences stability for rotors. stabilities not...