نتایج جستجو برای: dof model

تعداد نتایج: 2108595  

Journal: :Europan journal of science and technology 2021

In this study, a 39 degree-of-freedom mass-spring-damper model of vehicle was developed. The consists 4 parts: wheels and suspensions, body, seats passengers. A human with 7 degrees freedom used to the Equations motion were obtained by drawing free body diagram each part. order solve equations numerically, created in Simulink environment. To verify accuracy outputs from model, script written us...

Journal: :international journal of robotics 0
fatemeh katibeh school of mechanical engineering, shiraz university, shiraz, fars, iran mohammad eghtesad school of mechanical engineering, shiraz university, shiraz, fars, iran yousef bazargan lari department of mechanical engneering, shiraz branch, islamic azad university, shiraz, fars, iran

in this research, first, kinematic and dynamic equations of a 4-dof 3-link robotic finger are derived using denavit-hartenberg convention and lagrange’s formulation. to model the muscles, several springs and dampers are placed between the finger links. then, two advanced controllers, namely adaptive-robust and adaptive-neural, which can control the robotic finger in presence of parametric uncer...

2014
Yi Xu Santitham Prom-on

Degrees of freedom (DOF) refer to the number of free parameters in a model that need to be independently controlled for generating intended output. In this paper, we discuss how DOF is a critical issue not only for computational modeling, but also for theoretical understanding of prosody. The relevance of DOF is examined from the perspective of the motor control of articulatory movements, the a...

Journal: :Journal of rehabilitation research and development 2007
Hussein A Abdullah Cole Tarry Rahul Datta Gauri S Mittal Mohamed Abderrahim

This article describes the design, validation, and application of a dynamic biomechanical model that assesses and monitors trajectory, position, orientation, force, and torque generated by upper-limb (UL) movement during robot-assisted therapy. The model consists of two links that represent the upper arm and forearm, with 5 degrees of freedom (DOF) for the shoulder and elbow joints. The model i...

Journal: :Computer methods in biomechanics and biomedical engineering 1999
FRANK C. Anderson MARCUS G. Pandy

A three-dimensional model of the human body is used to simulate a maximal vertical jump. The body is modeled as a 10-segment, 23 degree-of-freedom (dof), mechanical linkage, actuated by 54 muscles. Six generalized coordinates describe the position and orientation of the pelvis relative to the ground; the remaining nine segments branch in an open chain from the pelvis. The head, arms, and torso ...

Journal: :ITEGAM- Journal of Engineering and Technology for Industrial Applications (ITEGAM-JETIA) 2018

2017
N. V. Ramamurthy B. K. Vinayagam J. Roopchand

The armoured fighting vehicle (AFV) occupant composite system is modelled as a lumped parameter system, in this paper, wherein the 4 degrees of freedom (dof) biodynamic occupant model is integrated with 10 dof inplane AFV model including the crew seat, thus leading to the 14 dof vehicle-occupant composite model and the governing equations of motion are obtained. The composite model is subjected...

Reza Kazemi Seyyed Esma'eel Mahmoudi Larimi

Control Systems such as Anti Lock Brake Systems (ABS) and Traction Control Systems (TCS) are vastly used in most vehicles as to enhance the safety of the systems. These systems have many virtues on controlling the dynamics of vehicles, but they only control the longitudinal dynamics of the vehicle directly and the lateral dynamics of vehicle is not controlled because they do not receive any fee...

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