Results 31 to 40 of about 24,658,754 (145)

Examining trabecular morphology and chemical composition of peri-scaffold osseointegrated bone

Journal of Orthopaedic Surgery and Research, 2020
Background Porous titanium alloy scaffold fabricated by 3D printing technology could induce osseointegration well to repair bone defect during early postoperative period.
Linwei Lyu, Shicai Yang, Ye Jing, Chunqiu Zhang, Jikun Wang   +4 more
doaj   +1 more source

Effect of Mechanical Microenvironment on Collagen Self-Assembly In Vitro

Journal of Functional Biomaterials, 2023
Collagen, as a structural protein, is widely distributed in the human body. Many factors influence collagen self-assembly in vitro, including physical-chemical conditions and mechanical microenvironment, and play a key role in driving the structure and ...
Leihan Han, Jiexiang Lin, Chengfei Du, Chunqiu Zhang, Xin Wang, Qijin Feng   +5 more
doaj   +1 more source

Is Multibody Simulation Software Suitable for Mechatronic Systems? [PDF]

, 2004
This paper addressees the aspect of computer aided analysis and design of mechatronic systems with emphasis on their system dynamics and control. At first a rather general, however, perhaps also somewhat subjective definition of mechatronic systems is ...
Kortüm, W., Vaculin, O.
core  

Improving the robustness of mechatronic systems

, 2022
S.113-128The chapter tackles the issue of improving the robustness of mechatronic systems. In particular, the chapter highlights the need to operate at two levels, in order to accomplish both the mechatronic system, conceptual architecture, and the ...
Patalano, S., Lanzotti, A.
core   +1 more source

Polishing trajectory planning of three-dimensional vibration assisted finishing the structured surface

AIP Advances, 2019
There are extremely wide application fields for the structured surface because of excellent properties. Sometimes it must be polished finally in order to meet the practical requirements.
Guilian Wang, Bingrui Lv, Qingchun Zheng, Haibo Zhou, Zhenzhong Liu   +4 more
doaj   +1 more source

A novel mechatronic running gear: concept, simulation and scaled roller rig testing [PDF]

, 2011
The basic idea of the concept of the novel mechatronic running gear consists of independently rotating wheels with a mechatronic guidance system to overcome the disadvantages which conventional wheelsets show under certain operating conditions ...
Kurzeck, Bernhard, Valente, Luciano
core  

Path Planning of Mobile Robot in Dynamic Obstacle Avoidance Environment Based on Deep Reinforcement Learning

IEEE Access
In this study, to address the issues faced by mobile robots in complex environments, such as sparse rewards caused by limited effective experience, slow learning efficiency in the early stages of training, as well as poor obstacle avoidance performance ...
Qingfeng Zhang, Wenpeng Ma, Qingchun Zheng, Xiaofan Zhai, Wenqian Zhang, Tianchang Zhang, Shuo Wang   +6 more
doaj   +1 more source

A digital design framework for the dimensional optimization of parallel robots based on kinematic and elasto-dynamic performance

Scientific Reports
The dimensional optimization based on kinematic and dynamic performance indices is proven significant for improving the operational performance of parallel robots.
Yue Ma, Weihua Sun, Hongye Wu, Bin Li, Qi Liu, Songtao Liu, Chenglin Dong, Dun Peng   +7 more
doaj   +1 more source

One-Dimensional Optimization Design of Supercritical Carbon Dioxide Radial Inflow Turbine and Performance Analysis under Off-Design Conditions

Applied Sciences, 2022
In the present study, the one-dimensional optimization design and the performance analysis based on a three-dimensional model were performed for a 2.1 MW supercritical carbon dioxide radial inflow turbine.
Zhiting Tong, Zedong Song, Chao Zhang, Hao Xing, Yuxuan Sun   +4 more
doaj   +1 more source

Hobbing mechanism of worm gear tooth surface with wave edges of double enveloping toroidal worm gearing

Journal of Advanced Mechanical Design, Systems, and Manufacturing
The double enveloping toroidal worm gear pair is a type of basic worm transmission with multi-tooth and double-line contacts. Tooth surfaces of the worm gear are hobbed by a toroidal worm gear hob which is produced based on the toroidal worm.
Xiang MA, Chengjie RUI, Xiaoshuai ZHAO, Zeyi JIA   +3 more
doaj   +1 more source