Results 21 to 30 of about 24,658,754 (145)

Ratcheting Behavior of Intervertebral Discs Under Cyclic Compression: Experiment and Prediction

Orthopaedic Surgery, 2019
Objective To evaluate the ratcheting behavior of intervertebral discs (IVD) by experiments and theoretical study. Method The lumbar spines of sheep were obtained at a local slaughterhouse, and the IVD was processed with upper and lower vertebral bodies ...
Chun‐qiu Zhang, Tao Zhang, Lilan Gao, Cheng‐fei Du, Qing Liu, Hai‐ying Liu, Xin Wang   +6 more
doaj   +1 more source

Effects of Anisotropy on Single Crystal Silicon in Polishing Non-Continuous Surface

Micromachines, 2020
A molecular dynamics model of the diamond abrasive polishing the single crystal silicon is established. Crystal surfaces of the single crystal silicon in the Y-direction are (010), (011), and (111) surfaces, respectively.
Guilian Wang, Zhijian Feng, Yahui Hu, Jie Liu, Qingchun Zheng   +4 more
doaj   +1 more source

Effect of Inlet Condition on the Performance Curve of a 10 MW Supercritical Carbon Dioxide Centrifugal Compressor

Machines, 2022
The influence of inlet condition upon the performance and stability for a 10 MW supercritical carbon dioxide centrifugal compressor is investigated using the computational fluid dynamics method. The inlet conditions which are considered are as follows, a
Zhiting Tong, Xiaomin Yang, Pengxu Shang, Jingyuan Ma, Yue Zhang, Chao Zhang   +5 more
doaj   +1 more source

Design, Dynamics, and Optimization of a 3-DoF Nonlinear Micro-Gyroscope by Considering the Influence of the Coriolis Force

Micromachines, 2022
In this paper, we use the nonlinear hardening stiffness of drive mode deal with the contradiction between gain and bandwidth of the linear micro-gyroscope, to improve the bandwidth and gain in sense direction.
Sai Wang, Linping Lu, Kunpeng Zhang, Shuying Hao, Qichang Zhang, Jingjing Feng   +5 more
doaj   +1 more source

Adaptive Multi-ROI Agricultural Robot Navigation Line Extraction Based on Image Semantic Segmentation

Sensors, 2022
Automated robots are an important part of realizing sustainable food production in smart agriculture. Agricultural robots require a powerful and precise navigation system to be able to perform tasks in the field.
Xia Li, Junhao Su, Zhenchao Yue, Fangtao Duan   +3 more
doaj   +1 more source

System Integration and Control of Mechatronic Imaging Systems

, 2018
Mechatronic imaging systems, ranging from nanoscale manufacturing and metrology to telescope systems and adaptive optics for astronomy, are complex machines that demand a continuous improvement of system speed, range, and precision.
Schlarp, Johannes, Schitter, Georg, Csencsics, Ernst, Ito, Shingo   +3 more
core   +4 more sources

Augmented reality display of neurosurgery craniotomy lesions based on feature contour matching

Cognitive Computation and Systems, 2021
Traditional neurosurgical craniotomy primarily uses two‐dimensional cranial medical images to estimate the location of a patient’s intracranial lesions.
Hao Zhang, Qi‐Yuan Sun, Zhen‐Zhong Liu   +2 more
doaj   +1 more source

Control of Mechatronic Systems

, 2017
This book introduces researchers and advanced students with a basic control systems background to an array of control techniques which they can easily implement and use to meet the required performance specifications for their mechatronic applications ...
Bilin Aksun-Güvenç, Güvenç,L., Burak Demirel, Demirel,B., Aksun-Güvenç,B., Mümin Tolga Emirler, Emirler,M.T., Levent Güvenç   +7 more
core   +1 more source

Application of Differential Games in Mechatronic Control System [PDF]

, 2016
Differential games are a combination of game theory and optimum control methods. Their solutions are based on Bellman's principle of optimality. In this paper, the zero-sum differential game theory has been used for the purposes of controlling a ...
P. Penar, Hendzel, Z., Z. Hendzel, Penar, P.   +3 more
core   +1 more source

Research progress on continuum topology optimization for lightweight structure design

Xibei Gongye Daxue Xuebao
In order to sort and study the continuum topology optimization methods in the lightweight design of mechanical structures, the main research results achieved in this field at home and abroad in recent years are analyzed and reviewed.
ZHANG Lei, KOU Ruoyang, YUE Zhibin, DONG Lei, TAN Xuening, WANG Guoqin, LI Xia   +6 more
doaj   +1 more source