نتایج جستجو برای: dynamic load

تعداد نتایج: 539718  

2001
Ilkyu Park Youngseok Lee Yanghee Choi

With the invention of MPLS, complex traÆc engineering and multipath packet forwarding has become a reality. To use multipath packet forwarding, eÆcient load control between paths is necessary. Furthermore, dynamic load control is needed to optimize load mapping between paths depending on the network state. Unfortunately, distributed dynamic load control algorithms, if not carefully designed, ca...

2012
Jing Yang Min Wu Yong He Yonghua Xiong Y. XIONG

More accurate dynamic load models get better description of the dynamic load characteristic and its relation to voltage stability. In this paper, a second order Taylor series expansion model is presented as the simplification of the popular used exponential recovery dynamic load model. Then, a frequency weighted least-squares based Hartley modulating functions (HMF) method is developed to estim...

2008
Esteban Molina-Estolano Carlos Maltzahn Scott Brandt

The Ceph distributed object-based storage system, developed at UC Santa Cruz, [1] uses CRUSH, a pseudo-random placement function, to decide which OSDs to store data on, instead of storing the placement information in a table. This technique offers multiple advantages. In particular, the amount of metadata stored per file is drastically reduced, reducing the load on the metadata servers and spee...

1997
Nasir Touheed Peter Jimack

Many adaptive techniques for the solution of both steady and time-dependent PDEs rely on a hierarchy of meshes: starting with a coarse global mesh and reening this by diierent amounts in diierent regions. Since this reenement (or de-reenement) is part of the solution process it is necessary to dynamically alter the way in which the mesh is partitioned if a parallel implementation of such an alg...

In this paper, the dynamic responses of cracked beams under different moving forces, including moving load, moving mass, moving oscillator, and four-degrees-of-freedom moving system, are investigated. Structural elements such as beams are designed to withstand the predicted loads, but unfortunately, they are always exposed to unpredictable damage such as cracks. Several factors may cause these ...

2013
MOHAMMAD HAROON MOHAMMAD HUSAIN

Dynamic load balancing is an important factor affecting the parallel computing performance in a multiprocessor system. On the basis of an introduction to the principle of dynamic load balancing algorithm, we will find the rated efficiency, throughput, speedup, performance of the multiprocessor systems , in case of load balancing we finds through analysis that the basic reason for overhead occur...

In this paper, a new formulation along with numerical solution for the problem of finding a point-to-point trajectory with maximum load carrying capacities for flexible manipulators is proposed. For rigid manipulators, the major limiting factor in determining the Dynamic Load Carrying Capacity (DLCC) is the joint actuator capacity. The flexibility exhibited by light weight robots or by robots o...

This article proposed a novel topology of dynamic voltage regulator using transformer and PWM multi-level AC/AC converter. In this paper for finding the best value of duty ratio for switches to minimize the THD, the GA algorithm has been used and THD output voltage is assumed to be fitness function. The proposed voltage regulator employs multi-level AC/AC converter to generate compensation volt...

2000
Milind Bhandarkar L. V. Kalé Eric de Sturler Jay Hoeflinger

Parallel Computational Science and Engineering (CSE) applications often exhibit irregular structure and dynamic load patterns. Many such applications have been developed using procedural languages (e.g. Fortran) in message passing parallel programming paradigm (e.g. MPI) for distributed memory machines. Incorporating dynamic load balancing techniques at the application-level involves significan...

This study targets the behavior of shear buildings equipped with tuned liquid column dampers (TLCD) which attenuate dynamic load-induced vibrations. TLCDs are a passive damping system used in tall buildings. This kind of damper has proven to be very efficient, being an excellent alternative to mass dampers. A dynamic analysis of the structure-damper system was made using the software DynaPy, de...

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