Divergences and Regulation of Bursting Solutions in Frequency Switching Systems

Academic Background In nonlinear dynamical systems, frequency switching has garnered significant attention in recent years due to its ubiquitous presence in the real world and its distinctive fast-slow dynamics. Frequency switching can induce divergence behaviors at certain switching thresholds, destabilizing bursting solutions in slowly excited ve...

Nonlinear Vibration Analysis of Delaminated Composite Plate Structures in Supersonic Flow

Background Introduction In aerospace engineering, thin laminated composite structures (such as wings) are prone to vibration under high-speed airflow, which may lead to instability phenomena such as flutter or divergence, affecting the safety and performance of aircraft. Particularly, when delamination (i.e., adhesive failure between layers) exists...

The Influence of Double Delays in a Diffusive Predator–Prey System: Stability Switching Curves Method

The Influence of Double Delays in a Diffusive Predator-Prey System: A Study Using the Stability Switching Curve Method Academic Background The predator-prey model is one of the fundamental models in ecology for studying population interactions. Although these models may seem simple, they can generate complex dynamic structures and even lead to chao...

Parameter Identification of a Nonlinear Vertical Axis Rotating Machine through Reduced Order Modeling and Data Assimilation

Parameter Identification of a Nonlinear Vertical Axis Rotating Machine: An Innovative Approach Based on Reduced Order Modeling and Data Assimilation Academic Background In modern engineering, the modeling of nonlinear dynamic systems is a crucial research area. However, such systems often involve parameters that are difficult to measure or estimate...

Finite-Time Adaptive Robust Trajectory Tracking Control for Dual-Arm Space Robot

Research on Finite-Time Adaptive Robust Trajectory Tracking Control for Dual-Arm Space Robots Research Background and Problem With the rapid development of space technology, space robots are playing an increasingly important role in on-orbit servicing, satellite assembly, spacecraft refueling, and other tasks. However, space robot systems face nume...

Non-linear Oscillations of a Pendulum on a Flexible Stretchable String

Academic Background Introduction The motion of a pendulum is one of the fundamental problems in classical mechanics, while the vibration of a pendulum on a flexible and stretchable string involves more complex nonlinear dynamic phenomena. Such problems have broad significance in practical applications, such as in engineering structures, biomechanic...

Advanced Fractional Model for Predicting MHD Yield Stress Fluid Flow

Background In modern scientific and industrial research, the dynamic behavior of non-Newtonian fluids has garnered significant attention due to their unique rheological properties and wide-ranging applications. Unlike Newtonian fluids, non-Newtonian fluids such as polymers, slurries, and biological fluids exhibit complex nonlinear relationships bet...

Stability Analysis of Multi-Area Interconnected Power Systems under Denial of Service (DoS) Attack

Stability Analysis of Multi-Area Interconnected Power Systems under Denial of Service Attacks Academic Background With the increasing demand for electricity in modern society, the stability and security of power systems have become critical issues. To meet the electricity demand, multiple power generation areas are interconnected to form an integra...

Ultra-High Filling Ratio of Non-Percolative Rapeseed-Shaped Liquid Metal Fiber Mats for Pressure Sensors via Electrospinning Aided Inhomogeneous Dispersion

Background Introduction Flexible capacitive pressure sensors have broad application prospects in intelligent robotics, medical monitoring, and human-machine interaction due to their high sensitivity, fast response, and excellent mechanical flexibility. However, traditional dielectric elastomers typically have low dielectric constants, limiting the ...

Flexible, Visual, and Multifunctional Humidity-Strain Sensors Based on Ultra-Stable Perovskite Luminescent Filaments

Academic Background With the rapid development of the Internet of Things and wearable electronics, the demand for smart sensors in fields such as physiological monitoring, smart clothing, and human-computer interaction has been increasing. In particular, flexible multifunctional sensors have attracted significant attention due to their potential ap...