A5101660038- Vibration Control and Rheological Fluids
- Innovations in Concrete and Construction Materials
- Force Microscopy Techniques and Applications
- Vibration and Dynamic Analysis
- Vehicle Dynamics and Control Systems
- Structural mechanics and materials
- Mechanical and Optical Resonators
- Material Properties and Applications
- Hydraulic and Pneumatic Systems
- Effects of Vibration on Health
- Acoustic Wave Phenomena Research
- Dynamics and Control of Mechanical Systems
- Advanced MEMS and NEMS Technologies
- Energy Harvesting in Wireless Networks
- Advanced Sensor and Energy Harvesting Materials
- Advanced Fiber Optic Sensors
- Microwave and Dielectric Measurement Techniques
- Acoustic Wave Resonator Technologies
- Fluid Dynamics and Vibration Analysis
- Innovative Energy Harvesting Technologies
Shandong University of Technology
2019-2024
Wuhan Ship Development & Design Institute
2019
The energy harvester based on the piezoelectric effect can convert vibration in environment into electricity to power network nodes. In order broaden effective frequency bandwidth of and reduce resonant system, a liquid slosh-type is proposed this paper. Based theory effect, mechanical model electromechanical coupling were established, dynamic characteristics slosh analyzed. theoretical experimental test, studied. By making prototype building experiment platform, capture tested...
Considering the nonlinear properties of spring and damping suspension, a quarter-car model with time-delayed control is established. The Routh–Hurwitz stability criterion switching method are used to analyze system obtain region diagram. multiobjective optimization function established by considering ride comfort, driving safety, handling stability. optimal parameters obtained simulation under harmonic excitation random excitation. In addition, responses active suspension time-delay passive...
In this paper, a nonlinear two-degrees-of-freedom active suspension system model with time-delayed feedback control is studied. It well known that time delay has destabilizing effect in mathematical models. A stability judgment method proposed, which produced the process of seeking analytic solutions by using multiple-scales method. The influence parameters on vibration reduction optimal parameter combination obtained. Numerical simulations are provided to support theoretical analysis....
In order to obtain the effects of time-varying fluid on dynamical characteristics cantilever beams, this paper gives a comprehensive study beams vibrating in with variable depth. The mathematical model is derived by combining Euler–Bernoulli beam theory and velocity potential theory, influence discussed. Then, two-way fluid-structure interaction (FSI) numerical simulation procedure proposed calculate transient responses beam. validity accuracy are verified according comparison among...
Microelectromechanical switch has become an essential component in a wide variety of applications, ranging from biomechanics and aerospace engineering to consumer electronics. Electrostatically actuated microbeams microplates are chief parts many MEMS instruments. In this study, the nonlinear characteristics coupled longitudinal-transversal vibration analyzed, while electrostatically microbeam is designed considering that frequency ratio two one between first longitudinal transversal...
In this paper, we introduce a new two-sided sensor based on the complementary split-ring resonators (CSRR <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">S</inf> ) to permittivity measurement at microwave frequencies. The electrically small samples are placed above well-designed sensor, so that frequency offsets due can be detected retrieve permittivity. Analysis and simulations validate by applying method, linearly retrieved from offsets. setup...
Manipulators are widely used in industrial fields as automation equipment and robotic structures. Besides moving objects, manipulators often work with variable payloads, the residual vibration significantly affects position accuracy of manipulators. This paper mainly investigates dynamic characteristics flexible time varying mass payloads active control is carried out. Finite element method utilized to construct dynamical model, responses system calculated by Bathe’s method. The influence...