نتایج جستجو برای: conveyor

تعداد نتایج: 2382  

Journal: :Journal of Circuits, Systems, and Computers 2011
Ahmed M. Soliman

It is well known that a °oating inductor circuit is realized from a grounded inductor circuit by replacing the operational ampli ̄er by a °oating operational transconductance ampli ̄er. This idea is extended to transform current conveyor grounded inductors to °oating inductors by replacing the current conveyor by the recently introduced °oating current conveyor. Several examples are considered an...

Journal: :I. J. Circuit Theory and Applications 2010
Esteban Tlelo-Cuautle Carlos Sánchez-López D. Moro-Frías

New nullor-based models are introduced to describe the behavior of the first generation current conveyor (CCI), second generation current conveyor (CCII), third generation current conveyor (CCIII), their inverting equivalents (ICCI(II)(III)), and/or their multiple output topologies (MO(I)CCI(II)(III)). These nullor equivalents include only grounded resistors to improve the formulation of equati...

Journal: :Stud. Inform. Univ. 2011
Mourad Boudhar Nacira Chikhi

We present a scheduling problem of the flow-shop type. We introduce a transportation system: robot or conveyor. This transportation system is also involved in machine loading and unloading. The studied workshop consists of two machines and a conveyor that must process a set of tasks. Tasks having just been executed wait for the conveyor to be transported. The objective is to determine a feasibl...

2005
M. Sader R. Noack P. Zhang S. X. Ding T. Jeinsch

In this paper, problems and application of the computation of false alarm rate (FAR) and threshold for belt conveyor systems are studied. Based on an information system which is developed to meet the requirements on monitoring and fault detection for large scale belt conveyor systems, the probability distribution of model uncertainty is assumed to be known and will be taken into account for the...

2011
Sadri Özcan Hakan Kuntman

A new biquadratic universal filter configuration realizing second-order low-pass, band-pass, and high-pass fiters using single current conveyor is proposed. Using this configuration high-pass, low-pass and band-pass fiters can be realized with little modifications. The circuit employs a secondgeneration current conveyor (CCII+), and only four passive components. Since the current conveyor is a ...

2015
H. DAW

To proof low voltage techniques are valid in current conveyor design, Bulk driven and composite transistor (self cascode) techniques are used to get high performance results from CCII in low voltage supply. Conventional operational amplifier circuit from literature was our choice as core of the design. Our Focus with using low voltage techniques is study the frequency characteristics of a CCII ...

1996
Sybren S. Drijfhout Ernst Maier-Reimer Uwe Mikolajewicz

The flow which constitutes the conveyor belt in the Hamburg large-scale geostrophic ocean general circulation model has been investigated with the help of a particle tracking method. In the region of North Atlantic Deep Water formation a thousand trajectories were calculated backward in time to the point where they upwell from the deep ocean. Both the three-dimensional velocity field and convec...

2007
Gabriel Lodewijks

The quest for a useful design tool that incorporated the effect of dynamics of conveyor belts on the design of a conveyor system started halfway the 1950's. It was however not until halfway the 1980's that the first useful design tool became available. In the early days of using dynamics of belt conveyor systems the attention was focused on an analysis of both the starts and the stops of long o...

2007
MUHAMMED A. IBRAHIM

Abstract: A simple topology for the realization of negative type differential difference current conveyor (DDCC-) is presented. The proposed topology is based on floating output transconductor (FOT) circuits. A CMOS realization of this type current conveyor, which is made up from floating current sources (FCS), is given. Design details and simulation results using PSPICE are given to verify pre...

2015
D. Mazurkiewicz

In recent years, conveyor belt transport systems have taken on a new significance due to numerous research studies on innovative design solutions. The application of these new developed solutions leads to considerable reduction in operational costs of transport systems, while ensuring their high reliability and service life at the same time. Nonetheless, there are still areas that pose challeng...

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