Results 11 to 20 of about 3,808 (251)
Micromachines, 2018 This paper describes the innovative design of a three-dimensional (3D) motion device based on a flexible mechanism, which is used primarily to produce accurate and fast micro-displacement. For example, the rapid contact and separation of the tool and the
Bingrui Lv +4 more
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An Investigation on a Novel 3-RCU Flexible Micromanipulator
Micromachines, 2020 A novel type of spatial three revolute-cylindrical-universal (3-RCU) flexible micro manipulator is designed based on flexible hinges, and analyzed by finite element analysis (FEA).
Junnan Qian, Yangmin Li, Lukai Zhuge
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A path planning algorithm fusion of obstacle avoidance and memory functions
Cognitive Computation and Systems, 2023 In this study, to address the issues of sluggish convergence and poor learning efficiency at the initial stages of training, the authors improve and optimise the Deep Deterministic Policy Gradient (DDPG) algorithm.
Qingchun Zheng +4 more
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BioMedical Engineering OnLine, 2019 Background Ratcheting strain is produced due to the repeated accumulation of compressive strain in cartilage and may be a precursor to osteoarthritis.
Li-Lan Gao +5 more
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A Novel 2D Metal Flow Model for Hot Rolling of Aluminum Alloy Thick Plate
Advances in Materials Science and Engineering, 2022 Considering the serious inhomogeneous distribution of plastic deformation in the rolling process of thick plate, a novel 2D metal flow model is proposed with a quadratic distribution of flow velocity in the thickness direction instead of an equal value ...
Pujun Hao, Jingna Liu, Chihuan Yao
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Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform
Micromachines, 2020 A new type of rigid-flexible coupling three degrees of freedom (3-DOF) micro-positioning platform with high positioning accuracy and high bearing capacity is developed, which consists of flexible drive mechanism and rigid platform.
Guilian Wang +4 more
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Multi-objective optimization of heat sink with multi-cross-ribbed-fins for a motor controller
Journal of Engineering and Applied Science, 2022 A novel multi-cross-ribbed-fin layout was proposed to supersede the original smooth fin to fulfill the lightweight requirement of the air-cooled heat sink for the electrical vehicle motor controller.
Chao Zhang, Liang Chen, Zhiting Tong
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Biomechanical Response Analysis of Scaffold Implantation in Mandibular Defects and Research on Scaffold Selection [PDF]
ACS OmegaLilan Gao +6 more
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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 +5 more
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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 +6 more
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