Kinematics and Dynamics Analysis of Eccentric Circle Cam Mechanism

2013 ◽  
Vol 821-822 ◽  
pp. 1466-1469
Author(s):  
Li Jun Xie
Keyword(s):  
Angular Velocity ◽  
Numerical Results ◽  
Linear Velocity ◽  
Kinematics And Dynamics ◽  
Dynamics Analysis ◽  
Cam Mechanism ◽  
Geometric Methods ◽  
The Given ◽  
Dynamic Variables

Geometric methods and mechanical principles were employed to study the kinematic variables and dynamic variables of eccentric circle cam mechanism, and their formulae were also given. The deductions show that the linear velocity and the acceleration of the driven member and the driving moment are all functions of the rotation angleand the rotation angular velocity of the cam, the numerical results of the given example verify the conclusions.

Kinematics and Dynamics Analysis of a Micro-Robotic Platform Driven by Inertial-Force Propulsion

2015 ◽  
Vol 733 ◽  
pp. 531-534
Author(s):  
Qing Ming Wang ◽  
Wu Ming Zhang ◽  
Jia Chen Ju
Keyword(s):  
Mathematical Model ◽  
Angular Velocity ◽  
Inertial Force ◽  
Displacement Velocity ◽  
Kinematics And Dynamics ◽  
Dynamics Analysis ◽  
Robotic Platform ◽  
The Mathematical Model

In this paper, we make the kinematics and dynamics analysis of a micro-robotic platform [3] driven by inertial force generated by eccentric masses. We establish the mathematical model and get the displacement, velocity and acceleration relationships of the platform. According to movement and stability requirements of the micro-robotic platform, we get a conclusion that the minimum angular velocity of the motor when the platform moves and the maximum angular velocity of the motor when the platform jumps.

scholarly journals Kinematics and Dynamics Analysis of a 3-DOF Upper-Limb Exoskeleton with an Internally Rotated Elbow Joint

2018 ◽  
Vol 8 (3) ◽  
pp. 464 ◽  
Author(s):  
Xin Wang ◽  
Qiuzhi Song ◽  
Xiaoguang Wang ◽  
Pengzhan Liu
Keyword(s):  
Upper Limb ◽  
Elbow Joint ◽  
Kinematics And Dynamics ◽  
Dynamics Analysis ◽  
Upper Limb Exoskeleton

scholarly journals Optimization of a k-covering of a bounded set with circles of two given radii

2021 ◽  
Vol 11 (1) ◽  
pp. 232-240
Author(s):  
Alexander V. Khorkov ◽  
Shamil I. Galiev
Keyword(s):  
Linear Programming ◽  
Numerical Method ◽  
Lower Bounds ◽  
Integer Linear Programming ◽  
Numerical Results ◽  
Programming Models ◽  
Bounded Set ◽  
The Given

Abstract A numerical method for investigating k-coverings of a convex bounded set with circles of two given radii is proposed. Cases with constraints on the distances between the covering circle centers are considered. An algorithm for finding an approximate number of such circles and the arrangement of their centers is described. For certain specific cases, approximate lower bounds of the density of the k-covering of the given domain are found. We use either 0–1 linear programming or general integer linear programming models. Numerical results demonstrating the effectiveness of the proposed methods are presented.

Asymptotic eigensolutions of Laplace’s tidal equation

1977 ◽  
Vol 353 (1674) ◽  
pp. 377-400 ◽  
Keyword(s):  
Angular Velocity ◽  
Vertical Structure ◽  
Angular Frequency ◽  
Numerical Results ◽  
Asymptotic Approximations ◽  
Equivalent Depth ◽  
Negative Eigenvalues ◽  
Hough Functions

Asymptotic approximations to the eigenfunctions of Laplace’s tidal equation (Hough functions) are obtained for prescribed λ = σ /2 ω ( σ = angular frequency, ω = angular velocity of planet) and large values of Lamb’s parameter, β = 4 ω 2 a 2 / gh ( a is the planetary radius, and h the equivalent depth for a particular vertical structure), qua eigenvalue. Both positive and negative eigenvalues are considered. The results are validated by comparison with the extensive numerical results of Flattery (1967) and Longuet-Higgins (1968). They should be useful in atmospheric tidal studies, especially for a rapidly rotating planet, and may be useful for studies of equatorial motions in the oceans.

scholarly journals Kinematics of a screw linkage

2021 ◽  
Vol 3 (12) ◽  
Author(s):  
Jing-Shan Zhao ◽  
Song-Tao Wei ◽  
Junjie Ji
Keyword(s):  
Angular Velocity ◽  
Linear Velocity ◽  
Kinematics Analysis ◽  
First Order ◽  
Definition Of

AbstractThis paper proposes a kinematics methodology in twist coordinates for screw linkages. Based on the definition of a twist, both the angular velocity of a link and the linear velocity of a point on it may be explicitly represented in twist coordinates. Through integration on the twist solution numerically or analytically, we may obtain the displacements. By differential or numerical differential interpolation of the twist, we can find the accelerations of the link. The most outstanding advantage of this kinematic algorithm is that only the numerical differential interpolation of the first order is required to calculate the acceleration while only the first order integration of the twist is enough to compute the displacement. This merit makes it particularly fit for developing programmes to accomplish the kinematics analysis of a spatial linkage.

scholarly journals Construction of a Rotation Acquisition System using Arduino and Scada Supervisory Software

2021 ◽  
Vol 9 (11) ◽  
pp. 173-182
Author(s):  
Adeilson Nascimento de Sousa ◽  
Laudileni Olenka ◽  
Jorge Luis Nepomuceno de Lima ◽  
Viviane Barrozo da Silva ◽  
Antonio Carlos Duarte Ricciotti ◽  
...  
Keyword(s):  
Angular Velocity ◽  
Data Acquisition ◽  
Open Source ◽  
Real Time ◽  
Graphical Representation ◽  
Data Acquisition System ◽  
Linear Velocity ◽  
Acquisition System ◽  
Instantaneous Values

This work presents the development and implementation of a System for Acquisition of Rotations composed of an open-source Arduino electronic prototyping platform and a Supervision and Data Acquisition System (SCADA). This system obtains instantaneous values for frequency, linear velocity, and angular velocity, and the graphical representation of said instantaneous values is in real-time. Thus, the proposed system is a mediator of learning for the teaching of Circular Movement Uniform, with theoretical/practical interaction essential in classes for understanding the content.

The Kinematics Simulation and Analysis of the Multilayer Carbon Fiber Loom's Beating-Up Mechanism in ADAMS

2013 ◽  
Vol 846-847 ◽  
pp. 52-55
Author(s):  
Kai Yang ◽  
Jian Cheng Yang ◽  
Jian Feng Qin ◽  
Hua Qing Wang ◽  
Yu Bai ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
Kinematics And Dynamics ◽  
Dynamics Analysis ◽  
Linkage Mechanism ◽  
Solid Models ◽  
Kinematics Simulation ◽  
Weaving Technology ◽  
3D Solid

This article designs a new set of beating-up mechanism for the multilayer angle interlocking construction loom based on the requirements of special material of carbon fiber and weaving technology,and it can battening 30 layers carbon fiber at a beating-up.Through building the 3D solid models for linkage mechanism in SolidWorks, it show that the beating-up mechanism Run smoothly by the kinematics and dynamics analysis of different beating-up rule in ADAMS.

7-DOF Cable-Driven Humanoid Robotic Arm

2011 ◽  
Author(s):  
Jun Ding ◽  
Robert L. Williams
Keyword(s):  
Linear Programming ◽  
Robotic Arm ◽  
Kinematics And Dynamics ◽  
Dynamics Analysis ◽  
Kinematics Analysis ◽  
End Effector ◽  
Motion Range ◽  
Potential Benefits ◽  
Redundant Mechanism ◽  
Joint Limits

The purpose of this paper is to study a 7-DOF humanoid cable-driven robotic arm, implement kinematics and dynamics analysis, present different cable-driven designs and evaluate their merits and drawbacks. Since this is a redundant mechanism, kinematics optimization is used to avoid joint limits, singularities and obstacles. Cable kinematics analysis studies the relationships between cable length and the end-effector pose. This is a design modified from the literature. Several new designs are compared in pseudostatics analysis of the arm and a favorable design is suggested in terms of motion range and the cable tensions. Linear programming is used to optimize cable tensions. Dynamics analysis shows that the energy consumption of a cable-driven arm is much less than that of traditional motor-driven arm. Cable-driven robots have potential benefits but also some limitations.

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