Results 11 to 20 of about 26,290 (267)

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

IEEE 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, Xueyan Han, Yaming Zuo, Shaoqian Tian, Jingwei Song, Shihua Li   +5 more
doaj   +1 more source

Design and Evaluation of a Novel Person Transfer Assist System

IEEE Access, 2021
Person transfer is a major problem for nursing in home and clinical, and this problem is becoming more prominent with the development of aging society and the change of population structure.
Yu Tian, Hongbo Wang, Yongshun Zhang, Bowen Su, Lipeng Wang, Xusheng Wang, Lingfeng Sang, Yongfei Feng, Jianye Niu   +8 more
doaj   +1 more source

Synthesis method of two translational compliant mechanisms with redundant actuation [PDF]

Mechanical Sciences, 2021
In the fields of electronic packaging, micromanipulation, scanning, and two translational (2T) mechanisms are required, especially with high stiffness, for a large workspace, with good driving stability, and other occasions.
S. Li, S. Li, Y. Zhou, Y. Zhou, Y. Shan, Y. Shan, S. Chen, S. Chen, J. Han, J. Han   +9 more
doaj   +1 more source

Human–Robot Cooperative Strength Training Based on Robust Admittance Control Strategy

Sensors, 2022
A stroke is a common disease that can easily lead to lower limb motor dysfunction in the elderly. Stroke survivors can effectively train muscle strength through leg flexion and extension training.
Musong Lin, Hongbo Wang, Congliang Yang, Wenjie Liu, Jianye Niu, Luige Vladareanu   +5 more
doaj   +1 more source

Kinematic, Workspace and Force Analysis of A Five-DOF Hybrid Manipulator R(2RPR)R/SP+RR

Chinese Journal of Mechanical Engineering, 2022
In the present study, the over-constrained hybrid manipulator R(2RPR)R/SP+RR is considered as the research objective. In this paper, kinematics of the hybrid manipulator, including the forward and inverse position, are analyzed.
Yundou Xu, Fan Yang, Youen Mei, Dongsheng Zhang, Yulin Zhou, Yongsheng Zhao   +5 more
doaj   +1 more source

Mechanical Design and Analysis of the End-Effector Finger Rehabilitation Robot (EFRR) for Stroke Patients

Machines, 2021
Most existing finger rehabilitation robots are structurally complex and cannot be adapted to multiple work conditions, such as clinical and home. In addition, there is a lack of attention to active adduction/abduction (A/A) movement, which prevents ...
Yu Tian, Hongbo Wang, Baoshan Niu, Yongshun Zhang, Jiazheng Du, Jianye Niu, Li Sun   +6 more
doaj   +1 more source

Contact Model of Revolute Joint with Clearance Based on Fractal Theory

Chinese 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, Xue-Yan Han, Jun-Qi Wang, Jing Sun, Fu-Juan Li   +4 more
doaj   +1 more source

Type synthesis approach for the 2R1T compliant parallel mechanism with a suitable constrained branch [PDF]

Mechanical Sciences, 2022
In the aerospace field, the precision and stiffness for 2R1T (R denotes the rotation and the T denotes the translation) degree of freedom (DOF) space posture adjustment mechanisms are required.
Y. Zhou, Y. Zhou, S. Li, S. Li, J. Sun, J. Sun, L. Yi, L. Yi   +7 more
doaj   +1 more source

A Hybrid Mechanism-Based Robot for End-Traction Lower Limb Rehabilitation: Design, Analysis and Experimental Evaluation

Machines, 2022
Conventional lower-limb rehabilitation robots cannot provide in-time rehabilitation training for stroke patients in the acute stage due to their large size and mass as well as their complex wearing process.
Lipeng Wang, Junjie Tian, Jiazheng Du, Siyuan Zheng, Jianye Niu, Zhengyan Zhang, Jiang Wu   +6 more
doaj   +1 more source

Mechanism Design and Performance Analysis of a Wearable Hand Rehabilitation Robot

Machines, 2022
Hand rehabilitation is critical to the recovery of post-stroke patients. However, designing a modular mechanism of the hand to improve the human-machine compatibility and precision of operation is still a challenge. This paper proposes a new type of hand
Jiazheng Du, Yu Tian, Dagan Zhang, Hongbo Wang, Yongshun Zhang, Bo Cheng, Jianye Niu   +6 more
doaj   +1 more source