Advancement of mechanical engineering in extreme environments

Z Qin, YT Wu, A Eizad, SK Lyu, CM Lee - International Journal of Precision …, 2021 - Springer
With the continuing increase in the use of technology in the modern world, the
environmental demands placed on mechanical products have become increasingly harsh …

Impact analysis of tolerance and contact friction on a RV reducer using FE method

HJ Ahn, BM Choi, YH Lee, AD Pham - International Journal of Precision …, 2021 - Springer
Since RV (rotation vector) reducer has a high reduction ratio with compact size, high
efficiency and stiffness, the reducer is extensively used in applications requiring high …

Conceptual design for a multi-rotor UAV based on variable paddle pitch

Z Qin, X Tang, Z Meng, YT Wu, SK Lyu… - Journal of Mechanical …, 2023 - Springer
The field of unmanned aerial vehicles has experienced a “golden era” of progress in recent
years (UAV). UAVs come in a vast variety, from the commercial to the military sectors. The …

Numerical investigation of the mechanical component design of a hexacopter drone for real-time fine dust monitoring

YT Wu, Z Qin, A Eizad, SK Lyu - Journal of Mechanical Science and …, 2021 - Springer
Multi-rotor unmanned aerial vehicles (UAVs) are being widely used in various military and
civilian fields because they can replace manned systems in the performance of a variety of …

Resonance analysis and vibration reduction optimization of agricultural machinery frame—Taking vegetable precision seeder as an example

J Wang, C Xu, Y Xu, J Wang, W Zhou, Q Wang, H Tang - Processes, 2021 - mdpi.com
In order to solve the problem of vigorous vibration of agricultural machinery frames, taking a
vegetable precision seeder as an example, the concept of vibration reduction was proposed …

Design and numerical simulation-based optimization of a novel flat-face coupling system for hydraulic power equipment

YT Wu, Z Qin, A Eizad, SK Lyu - Applied Sciences, 2021 - mdpi.com
Coupling systems play a vital role in hydraulic power transmission equipment. In recent
years, flat-face coupling systems have been extensively studied due to their environment …

Theoretical design of a novel vibration energy absorbing mechanism for cables

Z Qin, YT Wu, A Huang, SK Lyu, JW Sutherland - Applied Sciences, 2020 - mdpi.com
A novel design of a vibration energy absorbing mechanism (VEAM) that is based on multi-
physics (magnetic spring, hydraulic system, structural dynamics, etc.) for cable vibration is …

Numerical investigation of flow characteristics in a viscous damping system with symmetrical hydraulic cylinders

YT Wu, Z Qin, A Eizad, SK Lyu, CM Lee - International Journal of Precision …, 2021 - Springer
Hydraulic dampers are widely applied due to their characteristics of absorbing huge impact
energy, stable and reliable working performance, and easy on-demand design. The …

Mechanism design and experimental verification of novel automatic balance equipment for a rope-type elevator

Z Qin, Y Wu, J Cong, SK Lyu - Machines, 2022 - mdpi.com
Multi-rope elevators are widely used in modern buildings. However, problems such as
vibration, noise, uneven wear of key components and shortened life caused by the uneven …

Design and structural stability investigation of novel flat-face multi-coupling systems for hydraulic power equipment

Z Qin, X Tang, YT Wu, SK Lyu, S Park - International Journal of Precision …, 2022 - Springer
Hydraulic power transmission systems have been widely used in recent years by virtue of
their precise transmission, large driving force, safety, and reliability. Designs of hydraulic …