نتایج جستجو برای Compliant Mechanism

تعداد نتایج: 418937  

Journal: :Perception 2013
Jessica K Witt, Mila Sugovic,

According to the action-specific account of perception, the perceiver's ability to act influences perception of the target. For example, targets that are easier to acquire are reported to look closer, bigger, and slower. However, an alternative explanation for these effects is that they are due to response bias, rather than to changes in perception. To test the role of response bias, we employe...

2001
L. Saggere, S. Kota,

Compliant four-bar mechanisms treated in previous works consisted of at least one rigid moving link, and such mechanisms synthesized for motion generation tasks have always comprised a rigid coupler link, bearing with the conventional definition of motion generation for rigid-link mechanisms. This paper introduces a new task called compliantsegment motion generation where the coupler is a flexi...

2001
Frank Daerden, Dirk Lefeber, Björn Verrelst, Ronald Van Ham,

Pleated pneumatic artificial muscles (PPAMs), which have recently been developed at the Vrije Universiteit Brussel, Department of Mechanical Engineering are brought forward as robotic actuators in this paper. Their distinguishing feature is their pleated design, as a result of which their contraction forces and maximum displacement are very high compared to other pneumatic artificial muscles. T...

2012
Friedrich Lange, Michael Suppa, Gerd Hirzinger,

There are assembly tasks which require a compliant device at the end-effector since possible disturbances are beyond the bandwidth of robot control. This paper discusses a compliant force-torque sensor for assembly. Two aspects are explained in detail: Force control considering a significant force dependent displacement, and control of an end-effector with an elastic mounting during fast uncons...

Journal: :Biophysical journal 2008
Cynthia A Reinhart-King, Micah Dembo, Daniel A Hammer,

The role of matrix mechanics on cell behavior is under intense investigation. Cells exert contractile forces on their matrix and the matrix elasticity can alter these forces and cell migratory behavior. However, little is known about the contribution of matrix mechanics and cell-generated forces to stable cell-cell contact and tissue formation. Using matrices of varying stiffness and measuremen...

2005
Andre Seyfarth, Hartmut Geyer, Susanne Lipfert, Juergen Rummel, Yohei Minekawa, Fumiya Iida,

What are the common design and control principles of legged locomotion? To approach this question we ask about the internal leg function, e.g. the number of leg segments, the arrangements of muscles, ligaments and other soft tissue within the leg and the appropriate muscle activation patterns in order to generate a desired leg behavior. On the other hand we need to integrate the leg into an ove...

2016
Julien Hatin, Estelle Cherrier, Jean-Jacques Schwartzmann, V. Frey, Christophe Rosenberger,

The trust provided by authentication systems is commonly expressed with a Level of Assurance (LoA see 3). If it can be considered as a first process to simplify the expression of trust during the authentication step, it does not handle all the aspects of the authentication mechanism and especially it fails to integrate continuous authentication systems. In this paper, we propose a model based o...

2003
Federico Bergenti, Giovanni Rimassa, Matteo Somacher, Luís Miguel Botelho,

This paper presents an interaction protocol, built on top of FIPA ACL, allowing an agent to delegate a goal to another agent, in the form of a proposition that the delegating agent intends its delegate to bring about. The proposed protocol addresses the concrete needs of a service that is to be deployed within the AgentCities network, but also helps to highlight some issues that are related to ...

2002
H. Kazerooni,

The work presented here is a nonlinear approach for the control and stability analysis of manipulative systems in compliant maneuvers. Stability of the environment and the manipulator taken as a whole has been investigated using unstructured models for the dynamic behavior of the robot manipulator and the environment, and a bound for stable manipulation has been derived. We show that for stabil...

2001
Xuerong Ji, Jing Xiao,

Many robotic tasks require compliant motion, but planning such motion poses special challenges not present in collision-free motion planning. One challenge is how to achieve exactness, i.e., how to make sure that a planned path exactly compliant to a desired contact state, especially when the con guration manifold of such a contact state is hard to describe analytically due to high geometrical ...

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