نتایج جستجو برای: inverse kinematics
تعداد نتایج: 111815 فیلتر نتایج به سال:
Virtual characters playing virtual musical instruments in a realistic way need to interact in real-time with the simulated sounding environment. Dynamic simulation is a promising approach to finely represent and modulate this interaction. Moreover, capturing human motion provides a database covering a large variety of gestures with different levels of expressivity. We propose in this paper a ne...
This paper gives a global dynamic analysis of a two wheeled riding simulator that we have built and instrumented for the study of drivers behavior. These studies concern drive situations in normal urban scenario as well as dangerous driving situations such as skidding. The justification of the choice of the platform movements for a good feeling is discussed. Different models for inverse kinemat...
Prioritized motion-force control of constrained fully-actuated robots: "Task Space Inverse Dynamics"
We present a new framework for prioritized multi-task motion/force control of fully-actuated robots. This work is established on a careful review and comparison of the state of the art. Some control frameworks are not optimal, that is they do not find the optimal solution for the secondary tasks. Other frameworks are optimal, but they tackle the control problem at kinematic level, hence they ne...
The limited adaptivity of current robots is preventing their widespread application. However, nowadays there are mature techniques available to palliate this deficiency. After briefly surveying the several levels of adaptivity required and the disciplines addressing each of them, the paper concentrates on the contributions of the field of Neural Networks to improve sensorimotor adaptivity. Sinc...
چکیده ندارد.
This paper proposes an analytical solution for a 5-DOF manipulator to follow a given trajectory while keeping the orientation of one axis in the end-effector frame. The forward kinematics and inverse kinematics for a 5-DOF manipulator are analyzed systemically. The singular problem is discussed after the forward kinematics is provided. For any given reachable position and orientation of the end...
This paper provides an estimation model for calibrating the kinematics of manipulators with a parallel geometrical structure. Parameter estimation for serial link manipulators is well developed, but fail for most structures with parallel actuators, since the forward kinematics is usually not analytically available for these. We extend parameter estimation to such parallel structures by developi...
A control model of a designed mechanical model of the hand using Screw theory is presented. Forward and inverse kinematics of a finger, which is an open-chain manipulator with four degrees of freedom (DoF), is discussed. Forward kinematics are solved using the transformations in form of exponential of twist between the adjacent link frames to obtain the configuration of the fingertip frame T re...
The inverse kinematics problem of a reclaimer which excavates and transports raw materials in a raw yard is investigated. Because of the geometric feature of the equipment of which scooping buckets are attached around a rotating disk, kinematic redundancy occurs in aktermining joint variables. Link coordinates are introduced following the Denavit-Hatenberg representation. For a given excavation...
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