Hexu Yang
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Author Swipe
View article: Dynamic modelling and a model-based control strategy of joint servo system for power transmission line inspection robot
Dynamic modelling and a model-based control strategy of joint servo system for power transmission line inspection robot Open
The time-varying load inertia is one of the important dynamic characteristics of the power transmission line inspection robots (PTLIRs) in joint space, which can heavily affect the stability of the robot in the inspection process. In this …
View article: Analysis of Vibration Characteristics of Horizontal Axis Wind Turbine Tower under Random Wind Action
Analysis of Vibration Characteristics of Horizontal Axis Wind Turbine Tower under Random Wind Action Open
As the main supporting structure of wind turbines, the service quality of towers directly affects the operational safety of wind turbines. Researching tower vibration characteristics, evaluating its service quality and early warning of dam…
View article: A comparative study on the combination of life cycle assessment and ecological footprints: solar photovoltaic power generation vs. coal power generation in Ningxia
A comparative study on the combination of life cycle assessment and ecological footprints: solar photovoltaic power generation vs. coal power generation in Ningxia Open
In China, where energy activities, predominantly driven by fossil fuel combustion, account for nearly 90% of the country’s greenhouse gas (GHG) emissions and coal power alone contributes over 40%, the shift towards carbon neutrality is a c…
View article: Study of Dynamic Performance and Control Strategy of Variable Stiffness Actuator System Based on Two-Inertial-System
Study of Dynamic Performance and Control Strategy of Variable Stiffness Actuator System Based on Two-Inertial-System Open
The study of position control for variable stiffness actuators is important for improving their energy efficiency and robustness. In this paper, for the previously proposed nonlinear variable stiffness actuator, firstly, a dynamic model of…
View article: Modeling and Fatigue Characteristic Analysis of the Gear Flexspline of a Harmonic Reducer
Modeling and Fatigue Characteristic Analysis of the Gear Flexspline of a Harmonic Reducer Open
The failure of harmonic gear drive is mainly caused by the fatigue fracture of flexible wheels and the fatigue damage of flexible bearings. In this paper, the stress sensitivity and fatigue life characteristics of flexible wheels with thin…
View article: Control Method for Flexible Joints in Manipulator Based on BP Neural Network Tuning PI Controller
Control Method for Flexible Joints in Manipulator Based on BP Neural Network Tuning PI Controller Open
With the development of robot technology, integrated joints with small volume and convenient installation have been widely used. Based on the double inertia system, an integrated joint motor servo system model considering gear angle error …
View article: Numerical Simulation Analysis of Flow and Heat Transfer in Medium Temperature Boiler
Numerical Simulation Analysis of Flow and Heat Transfer in Medium Temperature Boiler Open
Waste heat recovery by waste heat boiler is one of the important means to utilize secondary energy, which is widely used in metallurgical industry. However, due to the great influence of production technology and other factors in industria…
View article: Dynamic Characteristics Analysis of Gear-Bearing System Considering Dynamic Wear with Flash Temperature
Dynamic Characteristics Analysis of Gear-Bearing System Considering Dynamic Wear with Flash Temperature Open
The influence of the dynamic wear model considering the tooth contact flash temperature on the dynamic characteristics of a gear-bearing system is studied. Firstly, the meshing stiffness model, based on flash temperature theory, is establi…
View article: Nonlinear behavior of disk spring with complex contact state
Nonlinear behavior of disk spring with complex contact state Open
Disk springs are widely used as preload and isolation due to their unique mechanical properties. In the prior research, the effect of linear friction on the disk spring was considered, but contact stiffness, another nonlinear contact facto…
View article: Dynamic characteristics analysis of planetary gear system with internal and external excitation under turbulent wind load
Dynamic characteristics analysis of planetary gear system with internal and external excitation under turbulent wind load Open
According to the working characteristics of a 1.5 MW wind turbine planetary gear system under complex and random wind load, a two-parameter Weibull distribution model is used to describe the distribution of random wind speed, and the time-…
View article: The Driver-in-the-Loop Simulation on Regenerative Braking Control of Four-Wheel Drive Hevs
The Driver-in-the-Loop Simulation on Regenerative Braking Control of Four-Wheel Drive Hevs Open
Nowadays, the environmental problem is becoming more and more serious, attracting the attention of most people.Automobiles emission pollution has a great influence on environment, so the development of vehicles requires more efficient and …