|
|
|
|
|
Bowen Sui, Jianqiang Zhang, Zhong Liu and Junbao Wei
This paper proposes a fixed-time prescribed performance control technique to address the challenge of precise trajectory tracking control for unmanned surface vessels (USVs) in the presence of external time-varying disturbances and input saturation. To b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Stan Wehbe, Feleke Zewge, Yoshihiko Inagaki, Wolfram Sievert, Tirumala Uday Kumar Nutakki and Akshay Deshpande
A mechanistic model was developed to simulate one-dimensional pesticide transport in two-stage vertical flow constructed wetland. The two pesticides taken under study were carbendazim and chlorothalonil. The water flow patterns within the constructed wet...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ziqiang Hu, Lei Wei, Lin Yang, Yansong Wang and Yuanpeng Fan
Structural vibration has always been a major concern in the engineering field. A dynamic vibration absorber in the form of contacts with adjustable stiffness (CDVA) offers effective vibration suppression and can improve conventional dynamic vibration abs...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jennifer Coston-Guarini, François Charles and Jean-Marc Guarini
An outbreak species exhibits extreme, rapid population fluctuations that can be qualified as discrete events within a continuous dynamic. When outbreaks occur they may appear novel and disconcerting because the limiting factors of their dynamics are not ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weimin Chen, Jiachen Ma, Jian Hu and Li Zhang
Podded propulsion offers excellent maneuverability without the need for mechanically complex transmission systems. However, the hydrodynamic performance of podded propulsion under maneuvering conditions has not yet been adequately investigated. This stud...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yifan Wang, Kun Jin, Xingxing Huang, Fei Gai, Zhengwei Wang, Xingmin Liu and Lingjiu Zhou
This paper focuses on a 1000 MW Francis turbine and conducts a numerical analysis of the entire flow passage using computational fluid dynamics (CFD) under steady-state conditions. Building upon prior research, we further investigate the impact of an une...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhi Li, Weiyong Chen, Yinghui Li and Wenliang Wu
This study considered the effect of pavement aggregate grain size on tyre?pavement contact interaction during the late stages of pavement skid resistance. First, hemispherical shells 7, 9, and 13 mm in diameter were used to simulate coarse pavement aggre...
ver más
|
|
|
|
|
|
|
|
|
|
|
He Liu, Conghao Liu, Liang Hao and Dongmin Zhang
To enhance the control accuracy of lane-keeping assistance systems for trucks encountering crosswind-induced lateral deviations to improve the lateral stability of the vehicle, this study proposes a control strategy based on a linear quadratic regulator ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tao He, Yingzhi Zhou, Yong Liu and Yang Xia
The cavitation phenomenon and shaft deformation have a significant impact on the tribological performance of the journal bearing. A mixed lubrication model is developed that takes into account surface roughness and asperity contact, as well as the effect...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kuo Yang, Xinhui Liu, Changyi Liu and Ziwei Wang
Legged agricultural transportation robots are efficient tools that can autonomously transport goods over agricultural terrain, and their introduction helps to improve the efficiency and quality of agricultural production. Their effectiveness depends on t...
ver más
|
|
|
|
|
|