A5101996611- Additive Manufacturing Materials and Processes
- Adaptive Control of Nonlinear Systems
- Advanced Control Systems Optimization
- High Entropy Alloys Studies
- Stability and Control of Uncertain Systems
- Titanium Alloys Microstructure and Properties
- Additive Manufacturing and 3D Printing Technologies
- Control Systems and Identification
- Teaching and Learning Programming
- High-Temperature Coating Behaviors
- Guidance and Control Systems
- Fault Detection and Control Systems
- Intermetallics and Advanced Alloy Properties
- Control and Stability of Dynamical Systems
- Aluminum Alloy Microstructure Properties
- Metal and Thin Film Mechanics
- Experimental Learning in Engineering
- Aerospace and Aviation Technology
- Rocket and propulsion systems research
- Innovative Teaching Methods
- Human-Automation Interaction and Safety
- Fractional Differential Equations Solutions
- Distributed systems and fault tolerance
- Aerospace Engineering and Control Systems
- Engineering Education and Pedagogy
Guangdong Institute of New Materials
2023-2025
Guangdong Academy of Sciences
2023-2025
Institute of New Materials
2024
Monash University
2023
China People's Public Security University
2022
China University of Political Science and Law
2022
Ohio University
2001-2016
University of Hong Kong
2005
Louisiana State University
1993-2005
Hydrogen is an ideal feedstock fuel for solid oxide cells (SOFCs). The steam reforming of methane (SRM) the predominant method producing hydrogen. However, process SRM relies on involvement a catalyst, and efficiency constrained by limited surface area in traditional catalyst system. In this study, mixer structure applied to improve mixing methane. Nano-sized pores are introduced struts structure, forming hierarchical effectively reduce weight increase self-catalytic reactors, hence...
Trajectory linearization control (TLC) is a nonlinear design method, which combines an open-loop dynamic inversion and linear time-varying feedback stabilization. Singular perturbation theory has been applied in TLC applications to simplify the procedure. In this paper, for general system with singular illustrated. The stability of such analyzed. analysis based on Lyapunov second method spectra theory, belongs first method. It provides guideline perturbation.
In this paper, Trajectory Linearization Control (TLC) is used to design a six degree-of-freedom, autonomous, trajectory-tracking controller for fixed-wing vehicle dynamics model. TLC combines an open-loop dynamic inverse of the plant with closed-loop tracking-error regulator that accounts model mismatch, disturbances, and excitation internal dynamics. Feedback gains are obtained symbolically as function nominal trajectory, thus avoiding use gain scheduling, enabling operation across full...
We present a design of tracking controller for an unstable, nonminimum phase nonlinear plant using trajectory linearization method. The consists two parts: dynamic inverse and error stabilizing control law. nominal computed by pseudo-inverse coordinate transformation backstepping stabilization, stabilization is achieved linear time-varying (LTV) PD-eigenstructure assignment. Simulation case studies show that significant improvement in performance, robustness disturbance rejection over the...
Types of nanozymes can produce free radicals and/or reactive oxygen species (ROS) to serve as broad spectrum antibacterial materials. Developing nanozyme-based materials with good biocompatibility exhibits promising application prospects. In this study, we doped Mo ZIF-8 (both components have biocompatibility) prepare a new nanozyme, Mo@ZIF-8, which hydroxyl (•OH) triggered by low dosage hydrogen peroxide (H 2 O ), exhibiting effective capability against both Gram-negative bacteria (...
Abstract Oxide dispersion strengthened (ODS) nickel (Ni)‐based superalloys are advanced materials known for their outstanding tensile and creep performance at temperatures exceeding 1000 °C. Nevertheless, conventional synthesis presents a longstanding challenge in cost‐effectively producing intricate components critical applications. In this work, electrostatic self‐assembly (ESA) of powders with the laser powder bed fusion (LPBF) process successfully combined to produce yttria ODS Inconel...
Two parametrized linear periodic systems, intended for use in advanced senior and graduate control courses, are presented. They used to demonstrate the issues arising attempting extend eigenvalue concept time-invariant systems time-varying systems.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
An automatic aircraft loss-of-control prevention system by bandwidth adaptation is presented in this paper. The law employs the time-varying parallel differential eigenvalues for a tradeoff between tracking performance and severe wind tolerance capability real time. It implemented as an augmentation to 6-DOF trajectory controller designed with constant gains singular perturbation (timescale separation) principle multiple-timescale nested-loop architecture. Theoretical analysis justify design...
This paper presents the formulation of a Lyapunov function for an exponentially stable linear time-varying (LTV) system using well-defined PD-spectrum and associated PD-eigenvectors. It provides bridge between first second methods stability assessment, will find significant applications in analysis control law design LTV systems linearizable nonlinear systems.
With the development of intelligent vehicles and autonomous driving technology, safety vulnerable road user (VRU) in traffic has been more guaranteed, many research achievements have made key area collision avoidance decision-making methods. In this paper, knowledge mapping method is used to mine available literature depth, it found that focus shifted from traditional accident cause analysis emerging deep learning virtual reality technology. This paper summarizes on three core dimensions...