Zobrazeno 1 - 10
of 229
pro vyhledávání: '"Jing-Shan Zhao"'
Publikováno v:
Machines, Vol 12, Iss 8, p 526 (2024)
This paper proposes a kinetostatic approach for analyzing the joint torques of a redundant snake robot. The method is suitable for weightless space environments. With the high degree of freedom and flexible cable actuation, the redundant snake robot
Externí odkaz:
https://doaj.org/article/619e33b343004505aba5b85ea5632910
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-10 (2023)
Abstract Direct-current triboelectric nanogenerators arising from electrostatic breakdown can eliminate the bottleneck problem of air breakdown in conventional triboelectric nanogenerators, offering critical benefits of constant-current output, resis
Externí odkaz:
https://doaj.org/article/3b69e0c2f6df4e2cbca8da44944d7bd9
Autor:
Jing-Shan Zhao, Han-Lin Sun
Publikováno v:
Advances in Mechanical Engineering, Vol 15 (2023)
Kinetostatics of a robot is an essential component of robotic analysis that includes actuation distribution and torque control. The extant methods mainly include the static transfer formulae and force Jacobian matrix algorithms based on the Denavit-H
Externí odkaz:
https://doaj.org/article/26f2795341bc450b9abef65cdb497127
Publikováno v:
Applied Sciences, Vol 13, Iss 18, p 10150 (2023)
This paper presents an algorithm for the kinematics and statics analysis of a Gough–Stewart platform. Through defining the velocity screw, the relative angular and linear velocities of a single rigid body can be expressed as a single vector. The ve
Externí odkaz:
https://doaj.org/article/7a8ab3f2734c4476b208e8a69ca0b9d3
Publikováno v:
SN Applied Sciences, Vol 3, Iss 12, Pp 1-15 (2021)
Article highlights 1. The angular and linear velocities of each link of a series linkage are expressed by the twists of its predecessors. 2. Loop equation of velocity provides a convenient way to gain both forward and inverse kinematics for a closed
Externí odkaz:
https://doaj.org/article/062d22ba16ee4761b31a0e948c3f781c
Publikováno v:
Applied Sciences, Vol 13, Iss 17, p 9732 (2023)
This paper presents a screw dynamics method for multi-rigid-body systems. It establishes the relationship between velocity screw (twist) and force screw (wrench) in the theorem of momentum screw. Then, the structure of a 2UPS + 2UPU parallel manipula
Externí odkaz:
https://doaj.org/article/4a49f17e47324dc29c34db719bc21b6b
Publikováno v:
Machines, Vol 11, Iss 8, p 840 (2023)
In this paper, a two-rotational degrees of freedom parallel mechanism with five kinematic subchains (3UPS-UPU-S) (U, P, and S stand for universal joints, prismatic joints, and spherical joints) for an aerospace product is introduced, and its kinemati
Externí odkaz:
https://doaj.org/article/86cd70c88e994bb89689921e6b2b07cc
Publikováno v:
Applied Sciences, Vol 13, Iss 10, p 6341 (2023)
This paper investigates the kinematics and dynamics of multi-rigid-body systems in screw form. The Newton–Euler dynamics equations are established in screw coordinates. All forces and torques of the multi-rigid-body system can be solved straightfor
Externí odkaz:
https://doaj.org/article/0cfa812a8b044a7682c47f4d0630e906
Publikováno v:
Applied Sciences, Vol 13, Iss 6, p 3912 (2023)
In this paper, a parallel mechanism with two rotational degrees of freedom is proposed. It could rotate freely and continuously around the two coordinate axes at the fixed origin of the coordinate frame. The structure of the mechanism is a second-ord
Externí odkaz:
https://doaj.org/article/824515ef55b44fda8975a6eb26fe26af
Publikováno v:
Sensors, Vol 23, Iss 1, p 517 (2023)
The multi-target path planning problem is a universal problem to mobile robots and mobile manipulators. The two movement modes of forward movement and rotation are universally implemented in integrated, commercially accessible mobile platforms used i
Externí odkaz:
https://doaj.org/article/41e818ce49da4c439c5d43f09a150371