Results 1 to 10 of about 2,671,885 (319)

Force Analysis of the Overconstrained Mechanisms Based on Equivalent Stiffness Considering Limb Axial Deformation

open access: yesChinese Journal of Mechanical Engineering, 2023
Overconstrained mechanism has the advantages of large bearing capacity and high motion reliability, but its force analysis is complex and difficult because the mechanism system contains overconstraints.
Jinwei Guo   +5 more
doaj   +1 more source

Development of a Wearable Upper Limb Rehabilitation Robot Based on Reinforced Soft Pneumatic Actuators

open access: yesChinese Journal of Mechanical Engineering, 2022
Dyskinesia of the upper limbs caused by stroke, sports injury, or traffic accidents limits the ability to perform the activities of daily living. Besides the necessary medical treatment, correct and scientific rehabilitation training for the injured ...
Xinbo Chen   +5 more
doaj   +1 more source

Non-locally Enhanced Feature Fusion Network for Aircraft Recognition in Remote Sensing Images

open access: yesRemote Sensing, 2020
Aircraft recognition has great application value, but aircraft in remote sensing images have some problems such as low resolution, poor contrasts, poor sharpness, and lack of details caused by the vertical view, which make the aircraft recognition very ...
Yunsheng Xiong   +4 more
doaj   +1 more source

Type Synthesis of Fully Decoupled Three Translational Parallel Mechanism with Closed-Loop Units and High Stiffness

open access: yesChinese Journal of Mechanical Engineering, 2023
In order to solve the problem of weak stiffness of the existing fully decoupled parallel mechanism, a new synthesis method of fully decoupled three translational (3T) parallel mechanisms (PMs) with closed-loop units and high stiffness is proposed based ...
Shihua Li   +4 more
doaj   +1 more source

Reconstructing gene regulatory networks of biological function using differential equations of multilayer perceptrons

open access: yesBMC Bioinformatics, 2022
Background Building biological networks with a certain function is a challenge in systems biology. For the functionality of small (less than ten nodes) biological networks, most methods are implemented by exhausting all possible network topological ...
Guo Mao   +5 more
doaj   +1 more source

Research on High Precision Stiffness Modeling Method of Redundant Over-Constrained Parallel Mechanism

open access: yesSensors, 2023
Traditional stiffness modeling methods do not consider all factors comprehensively, and the modeling methods are not unified, lacking a global stiffness model.
Sen Wang   +5 more
doaj   +1 more source

Effects of Random Nanosized TiN Grain on Characteristic of Gate-All-Around FinFETs with Ferroelectric HZO Layer

open access: yesNanoscale Research Letters, 2022
In this paper, we computationally study electrical characteristics for gate-all-around fin field effect transistors (GAA FinFETs) and negative capacitance GAA FinFETs (NC-GAA FinFETs) for sub-3-nm technological nodes.
Yiming Li, Min-Hui Chuang, Yu-Chin Tsai
doaj   +1 more source

Adaptive Direct Teaching Control with Variable Load of the Lower Limb Rehabilitation Robot (LLR-II)

open access: yesMachines, 2021
Most lower limb rehabilitation robots use fixed training trajectories and lack participation of physiotherapists. In addition, there is a lack of attention on combining direct teaching function with rehabilitation robots, which enables physiotherapists ...
Xincheng Wang   +7 more
doaj   +1 more source

Trajectory Planning in Joint Space for a Pointing Mechanism Based on a Novel Hybrid Interpolation Algorithm and NSGA-II Algorithm

open access: yesIEEE Access, 2020
In order to improve the motion stability of a pointing mechanism, the trajectory planning and trajectory optimization were conducted. To obtain better motion stability, the jerk is required continuous.
Jing Sun   +5 more
doaj   +1 more source

Contact Model of Revolute Joint with Clearance Based on Fractal Theory

open access: yesChinese Journal of Mechanical Engineering, 2018
The contact stiffness of a mechanical bonding surface is an important parameter in determining the normal and radial contact force. To improve the calculation accuracy of the contact force model, the surface roughness of the bonding surface and the ...
Shi-Hua Li   +4 more
doaj   +1 more source

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