نتایج جستجو برای: virtual actuator

تعداد نتایج: 159391  

2012
M. Mohebbi K. Shakeri

Since the actuator capacity is limited, in the real application of active control systems under sever earthquakes it is conceivable that the actuators saturate, hence the actuator saturation should be considered as a constraint in design of optimal controllers. In this paper optimal design of active controllers for nonlinear structures by considering actuator saturation, has been studied. The p...

A. Bagheri J. Javadi Moghaddam

In this paper a mesh-free model of the functionally graded material (FGM) plate is presented.  The piezoelectric material as a sensor and actuator has been distributed on the top and bottom of the plate, respectively. The formulation of the problem is based on the classical laminated plate theory (CLPT) and the principle of virtual displacements. Moreover, the Particle Swarm optimization (PSO) ...

2006
Dannis M. Brouwer B. R. de Jong M. J. de Boer

A mechanical clamp is presented which clamps one of the actuators of the MEMS-based TEM sample manipulator. The clamp incorporates a relatively large clamp force of 0.5 mN and is able to maintain the clamp force without external power. Although compliant mechanism design in MEMS design requires extra attention because of the relatively large deflections, small actuations forces and relatively l...

Journal: :Advanced Robotics 2010
Nguyen Huu Chuc Nguyen Huu Lam Vuong DukSang Kim Hyungpil Moon Jachoon Koo Youngkwan Lee Jea-do Nam Hyoukryeol Choi

In this paper, we present a robotic actuation system using an artificial muscle actuator based on a dielectric elastomer. A novel linear actuator called a ‘multi-stacked actuator’ is proposed that can be embedded in the phalanges of a multi-jointed robot finger. This actuator ensures a compact design of the overall system. As an example, a 2-d.o.f. robot finger is developed and its performance ...

Journal: :مدیریت فناوری اطلاعات 0
محمد فتحیان استاد دانشکدۀ مهندسی صنایع، دانشگاه علم و صنعت ایران، تهران، ایران محمد حسینی مربی گروه فناوری اطلاعات، دانشگاه صنعتی کرمانشاه، کرمانشاه، ایران

in recent years, virtual communities have been significantly popular and almost all of them are targeted for business profitability. in our study, the profitability of these communities for businesses has been analyzed from a commercial perspective. the study considers virtual community as a business model which can have a great impact on consumer purchase decision process. with respect to refe...

2006
Thomas Fuhrmann Pengfei Di Kendy Kutzner

SCALABLE SOURCE ROUTING is a novel routing approach for large unstructured networks, for example hybrid mobile ad hoc networks (MANETs), mesh networks, or sensor-actuator networks. It is especially suited for organically growing networks of many resource-limited mobile devices supported by a few fixed-wired nodes. SCALABLE SOURCE ROUTING is a full-fledged routing protocol that directly provides...

Journal: :Ad Hoc & Sensor Wireless Networks 2012
Ivan Mezei Veljko Malbasa Ivan Stojmenovic

In this paper we assume that all actuators are mobile and an event was reported to one of the actuators, and a response by one actuator is required. The goal of actuator task assignment is to select the best actuator for responding to a reported event so that communication cost for selecting, and response time for performing the task are minimized. Existing solutions, except those proposed in [...

2010
Teemu Tuomas Ahmaniemi

This paper investigates whether a dynamic vibrotactile feedback improves the playability of a gesture controlled virtual instrument. The instrument described in this study is based on a virtual control surface that player strikes with a hand held sensor-actuator device. We designed two tactile cues to augment the stroke across the control surface: a static and dynamic cue. The static cue was a ...

2000
Yoshifumi Kitamura Yuichi Itoh Toshihiro Masaki Fumio Kishino

ActiveCube is a bi-directional user interface that supports a person's creative work through constructing and interacting with 3-D virtual objects by using actual physical cubes. With this flexible interface, the user can easily construct various 3-D structures in a virtual environment by simply combining the cubes. All of the faces of the cubes are the same and can be connected to any face of ...

2004
Xiaolin Hu Bernard P. Zeigler Jerzy W. Rozenblit Salim A. Hariri Feiyue Wang Jun Son James Nutaro Saehoon Cheon Saurabh Mittal Narayanaswami Ganapathy Rajanikanth Jammalamadaka Mahesh Veena Young Kwan Cho Zejun Hu Qiuying Duan

Powered by the rapid advance of computer, network, and sensor/actuator technologies, distributed real-time systems that continually and autonomously control and react to the environment have been widely used. The combination of temporal requirements, concurrent environmental entities, and high reliability requirements, together with distributed processing make the software to control these syst...

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