Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Li Ju Xu"'
Publikováno v:
Mechanism and Machine Theory. 40:385-393
A method for analytical dynamic modeling of six-DOF industrial robotic manipulators of containing closed chain is proposed. It is supposed that non-driving joints of the closed chain are disassembled of which motive relationships are substituted by c
Publikováno v:
Mechanism and Machine Theory. 30:645-652
A numeric-symbolic method for kinematics and dynamics of robotic manipulators is proposed in this paper. Numeric-symbolic expressions of first- and second-order influence coefficients are derived. Numeric-symbolic expressions of model matrices and re
Publikováno v:
Volume 7B: 26th Biennial Mechanisms and Robotics Conference.
In this paper the dynamic model of redundant tetrahedron based variable geometry truss manipulators are investigated based on fuzzy neural network. The dynamic model system is divided into three subsystems. The inertial matrix, centrifugal and Coriol
Publikováno v:
Volume 7B: 26th Biennial Mechanisms and Robotics Conference.
The forward displacement analysis of redundant tetrahedron based variable geometry truss manipulators is obtained based on BP neural network, and then a solution to inverse displacement analysis problem is obtained. According to the above network mod
Publikováno v:
Volume 1A: 25th Biennial Mechanisms Conference.
In this paper some fundamental formulae are derived for tetrahedron-based variable geometry truss manipulator which is composed of a series of tetrahedrons stacked upon each other such that one link in each cell is made variable on length. Analytical
Publikováno v:
Volume 1A: 25th Biennial Mechanisms Conference.
In this paper the triple-octahedron variable geometry truss manipulator is presented and its inverse displacement analysis in closed form is studied, Input-output displacement equation in one output variable is derived. The solution procedure is give
Publikováno v:
Volume 3: 22nd Design Automation Conference.
Homotopy continuation algorithms for solving the direct position problem of the dodecahedron variable geometry truss manipulator are proposed in this paper. The homogeneous equations and the division of groups are presented which give the lowest Bezo
Publikováno v:
Volume 1: 21st Design Automation Conference.
An analytical method to evaluate time zones of interference for a dual-arm robot is presented with the consideration of shape and volume of links in the case, when the robot arms move along two given continuous trajectories in three-dimensional space
Publikováno v:
18th Design Automation Conference: Volume 2 — Geometric Modeling, Mechanisms, and Mechanical Systems Analysis.
A simple numeric-symbolic method for dynamic modelling of robotic manipulators is proposed in this paper. Problem of deriving model matrix elements is transformed into problem of solving for driving force and driving torque under specified condition
Publikováno v:
Mechanism and Machine Theory. 21:345-350
For a two-closed-loop RSSR-SS spatial mechanism which generates four partially exact and partially approximate positions, computer-aided synthesis procedures are demonstrated step by step: the design variables are determined by arbitrarily choosing t