A5100388301- Magnetic Bearings and Levitation Dynamics
- Vibration Control and Rheological Fluids
- Industrial Technology and Control Systems
- Vehicle Dynamics and Control Systems
- Vibration and Dynamic Analysis
- Structural Engineering and Vibration Analysis
- Thermal Radiation and Cooling Technologies
- Simulation and Modeling Applications
- Advanced Algorithms and Applications
- Machine Fault Diagnosis Techniques
- Elevator Systems and Control
- Advanced Sensor and Control Systems
- Structural Analysis and Optimization
- Wave and Wind Energy Systems
- Structural Health Monitoring Techniques
- Landslides and related hazards
- Dam Engineering and Safety
- Transport Systems and Technology
- Ship Hydrodynamics and Maneuverability
- Advanced Thermoelectric Materials and Devices
- Power Systems and Renewable Energy
- Advancements in PLL and VCO Technologies
- Antenna Design and Optimization
- Railway Engineering and Dynamics
- Tensor decomposition and applications
Tongji University
2018-2025
Shanghai Maritime University
2023
University of Hong Kong
2022
Tan Kah Kee Innovation Laboratory
2022
China State Shipbuilding (China)
2022
Wuhan University of Science and Technology
2018
Shijiazhuang Tiedao University
2015
Xijing University
2015
Central South University
2014
China Three Gorges University
2010-2013
Purpose In space robot assembly scenarios, the microgravity environment causes target components to move randomly, making traditional peg-in-hole methods in static scenario ineffective. The purpose of this paper is develop a assisted strategy for holes random motion, which primary step in-space assembly. Design/methodology/approach proposed 3D tactile servo control based dynamic hole includes three main parts. First, by using in-hand information grasped peg, i.e. curl and center pressure,...
This study examined the performance of centrifugal pendulum vibration absorber’s (CPVA) under influence force and gravity fields. The focus was on identifying factor that influenced noise, vibration, harshness (NVH) problems originate owing to absorber being at low engine speed such as start-stop or idle. Consequently, mathematical models were established employing Lagrange equation second kind, analytical solutions obtained using method multiple scales, several simple elementary equations...
In this study, Lyapunov stability theory was used to systematically investigate the of centrifugal pendulum vibration absorber (CPVA) in terms shape path, mistuning levels, damping coefficient, number absorbers, and force gravity. Our approach improved upon previous studies by introducing a gravity term, optimising calculation method, using function diagram represent asymptotically stable region produce more accurate results. finding that influence on CPVA system is reflected change tuning...
Gears are key components in rotation machinery and its fault vibration signals usually show strong nonlinear non-stationary characteristics. It is not easy for classical time-frequency domain analysis methods to recognize different gear working conditions. Therefore, this paper presents a joint diagnosis scheme classification via tensor nuclear norm canonical polyadic decomposition (TNNCPD) multi-scale permutation entropy (MSPE). Firstly, the one-dimensional data of conditions converted into...
The application of the centrifugal pendulum vibration absorber (CPVA) has expanded from aerospace sector to automotive sector. To date, in most previous studies, viscous damping been assumed be present between and rotor, neglected other studies. reflect control dynamic behaviour CPVA vehicular applications realistically, a hybrid model incorporating rolling resistance was developed this study validated by conducting tests. Under combined action force, gravity, resistance, an equation motion...
The dynamic performance of a vertically rotating centrifugal pendulum vibration absorber (CPVA) during engine start-up was investigated. equations motion were established using Lagrange equation the second kind containing terms for gravity and motion-limiting device absorber, respectively. optimal positioning determined from perspective CPVA stability damping capability, terminology quality factor defined to evaluate capability absorber. Simulink models simulate behaviour absorbers at...
<div class="section abstract"><div class="htmlview paragraph">Most centrifugal pendulum vibration absorber (CPVA) research focuses on the horizontal or vertical plane, ignoring influence of gravity. However, with wide application CPVAs in automobile industry, some gravity-related problems have been encountered practice. In this study, employing second kind Lagrange equation, differential equation motion a CPVA is established, and first-order approximate analytical solution solved...
The windy environment is the main cause affecting efficiency of offshore wind turbine installation. In order to improve stability and single-blade installation turbines under high speed conditions, Stewart platform used as an auxiliary tool help dock blade in this paper. verify effectiveness for docking, a docking simulation system consisting platform, blade, load calculation module was built based on Simulink/Simscape Multibody. At same time, PID algorithm control so that can effectively...
Bicycling is a potential way to improve sustainable urban transportation system. However, the evaluation methods and metrics for bicycle ride quality slow traffic pavement condition are still in preliminary stages. The traditional bicycling vibration measurement used instrumented probe (IPB), which contains several independent devices obtains scattering data. This method cannot show detailed condition. A technical challenge monitoring real‐time comfort obtain detail combine intelligent...
A dynamic model was established using the virtual spring approach for underactuated prosthetic finger containing closed kinematic chains and holonomic constraints. The verified by grasp simulation. is used to approximate constraint force differential algebraic equations are converted into ordinary which ideal simulation real-time control. characteristics of were studied based on with stiffness linear springs as variables. By properly increasing springs, stability could be improved ejection...
Since the traditional design method, which is always to decide control parameters following structure parameters, cannot obtain global optimum performances for active suspension system, this paper presents an approach integrate structural and optimization system based on improved genetic algorithm. The core of combining mechanical LQG controller design, regarding as variables simultaneously, using algorithm optimize variables. research results indicates that integrated method can effectively...
Abstract This article designs a small independent photovoltaic power generation system, which includes solar panels, controllers, batteries, and inverter modules. The design requirements principles of boost converters inverters were elaborated, the simulated in Matlab; fuzzy control method was selected to track maximum point, its effectiveness verified through MATLAB simulation; Corresponding methods have been proposed prevent or reduce factors that affect output arrays, such as attenuation,...
In this paper, the design method of OpenGL graphics processing module is analyzed, and a based on DSP + FPGA structure proposed.And can realize function interface standard module, from modeling, coordinate transformation, fire hidden technology, light illumination model texture mapping are introduced principle 3D GIS modeling three-dimensional technique were to explore research.
A simulation system of the aviation autopilot for teaching and training is established.By analyzing function, structure principle autopilot, established to realize real-time control flight environment.The mainly refers steady status manipulation in inclined channel, course channel pitch channel.The has following characteristics: convenient operation, stable work, observation.
In consideration of serious kinds constraints and technical requirements in engineering practice, we established the mathematical model optimization design truss structure proposed a synchronous cellular genetic algorithm to solve by bringing mechanism algorithm. The not only inherits superiority global search algorithm, but also equips with better capacity efficiency introducing theory automata . At last, super performance is proved results comparative testing on an example design.