A5044548101- Advanced Battery Technologies Research
- Advancements in Battery Materials
- Innovative Energy Harvesting Technologies
- Stability and Control of Uncertain Systems
- Matrix Theory and Algorithms
- Numerical methods for differential equations
- Advanced Sensor and Energy Harvesting Materials
- Energy Harvesting in Wireless Networks
- Stability and Controllability of Differential Equations
- Catalytic Processes in Materials Science
- Electric Vehicles and Infrastructure
- Vibration Control and Rheological Fluids
- Advanced Battery Materials and Technologies
- Advanced Combustion Engine Technologies
- Advanced Control Systems Optimization
- Vehicle emissions and performance
- Neural Networks Stability and Synchronization
- Fuel Cells and Related Materials
- Mechanical and Optical Resonators
- Contact Mechanics and Variational Inequalities
- Wireless Power Transfer Systems
- Nonlinear Differential Equations Analysis
- Advanced machining processes and optimization
- Air Quality Monitoring and Forecasting
- Advanced Measurement and Detection Methods
Chinese Academy of Medical Sciences & Peking Union Medical College
2024
Xiyuan Hospital
2024
Southwest Jiaotong University
2015-2023
Ford Motor Company (United States)
2003-2004
University of Toronto
1999-2003
Darmstadt University of Applied Sciences
2000
Coventry University
1997
Delft University of Technology
1996
Dalian University of Technology
1995
The vigilance of the driver is important for railway safety, despite not being included in safety management system (SMS) high-speed train safety. In this paper, a novel fatigue detection based on monitoring using wireless wearable electroencephalograph (EEG) presented. This designed to detect whether drowsiness. proposed consists three main parts: (1) EEG collection; (2) detection; and (3) early warning device driver. first part, an 8-channel brain-computer interface (BCI) acquires...
This paper focuses on the state-of-charge (SOC) estimation of Lithium-ion battery in electric vehicles based an H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">∞</sub> -based nonlinear observer. First, second-order RC equivalent circuit model is introduced by utilizing physical behavior battery. Then, parameters are identified as polynomial functions with respect to SOC. Meanwhile, constant also for comparison. Due that undetectable, one-sided...
This work is focused on the state of charge (SOC) estimation a lithium-ion battery based nonlinear observer. First, second-order resistor-capacitor (RC) model pack introduced by utilizing physical behavior battery. Then, for function RC model, one-sided Lipschitz condition proposed to ensure that can play positive role in observer design. After that, design criterion presented H ∞ method, which formulated as linear matrix inequalities (LMIs). Compared with existing observer-based SOC...
Self-powered realization for synchronous switching circuits is a hot spot piezoelectric vibration energy harvesting. As well-known approach, the electronic breaker widely used its simplicity and reliability. It plays an important role on performance of generator by affecting available open-circuit voltage phase lag. In this paper, comprehensive model developed improved analysis with missed factors included in comparison previous investigations. The combined influence envelope resistor...
A nonlinear wideband generator architecture by clamping the cantilever beam with a curve fixture is proposed. Devices different stiffness can be obtained properly choosing according to design requirements. Three available types are presented and discussed for polynomial curves. Experimental investigations show that proposed mechanism effectively extends operation bandwidth good power performance. Especially, simplicity easy feasibility allow widely applied vibration generators in scales environments.
This paper focuses on the low-cost configuration of lateral active suspension system for highspeed train. First, full-scale railway vehicle dynamics with 17-degree-of-freedom are introduced, where actuator saturation, deflection, and random periodic track irregularities considered. Then, based internal model principle, some classic vibration control methods, e.g., PID, positive position feedback, repetitive, resonant controls, unified as an (IM)-based form IM-based is further presented....
Abstract The stability of linear neutral delay-differential systems with multiple delays is investigated, which an extension the work reported in literature. case delay-independent considered. Some simple criteria through evaluation measure and norm corresponding matrices are presented.
The battery state of charge estimation at various ambient temperatures is critical to keep the electric vehicles safety. To solve problem model parameters vary with temperature, this work proposes a lithium-ion temperature effect and method temperatures. capacity open circuit voltage are fitted establish connection respectively. Dual extended Kalman filters estimate impedance. experiments show that has high accuracy different Low significant impact on parameters. proposed does not need store...
This work is focused on the active vibration control of piezoelectric cantilever beam, where an adaptive feedforward controller (AFC) utilized to reject with unknown multiple frequencies. First, experiment setup and its mathematical model are introduced. Due that channel between disturbance output in practice, a concept equivalent input (EID) employed put into channel. In this situation, can be achieved by setting identified EID. Then, for EID known frequencies, AFC introduced perfectly but...
The paper aims to realize a rapid online estimation of the state-of-power (SOP) with multiple constraints lithium-ion battery. Firstly, based on improved first-order resistance-capacitance (RC) model one-state hysteresis, linear state-space battery is built; then, using dual extended Kalman filtering (DEKF) method, parameters and states, including open-circuit voltage (OCV), are estimated. Secondly, by employing estimated OCV as observed value build second filters, SOC Thirdly, novel...
In this note, we present a simple and readily computable formula for the calculation of real controllability/stabilizability observability/detectability radii linear time-invariant systems.
A compact nonlinear bistable oscillator (NLBO) based on a double buckled beams and concentrated mass is proposed studied considering elastic boundary conditions. unified analytical model including different conditions derived. Comparative modal analysis studies of the finite element approach present consistent results. Good agreements with experiments results further validate effectiveness model. It shown that NLBO overcomes band limitation regular linear oscillators possesses good...
Synchronous switching circuit is viewed as an effective solution of enhancing the generator's performance and providing better adaptability for load variations. A critical issue these synchronous circuits self-powered realization. In contrast with other methods, electronic breaker possesses advantage simplicity reliability. However, beside energy consumption breakers, parasitic capacitance decreases available piezoelectric voltage. this technical note, a new compact design using proposed....