We survey the recent results on applying error control coding to distributed storage systems. In such systems, errors often happen in a burst manner, or maybe only one storage node in the whole distributed system fails. Therefore, only a small amount of information, e.g., one data fragment, has to be recovered. Therefore, accessing the whole data is unnecessary. Especially, we focus on regenera...

— This paper summarizes the main problems and solutions of power quality in Microgrids, distributed energy storage systems, and AC/DC hybrid Microgrids. First, power quality enhancement of grid-interactive Microgrids is presented. Then, cooperative control for enhance voltage harmonics and unbalances in Microgrids is reviewed. After, the use of static synchronous compensator (STATCOM) in grid-c...

Distributed electrical resources seem likely to play an increasingly important role in power systems. This paper presents a novel approach for optimising energy storage operation in electric distribution systems with renewable energy sources. Initial studies presented here indicate that evolutionary programming can determine near optimal solutions for simple power system problems with a single ...

presence of distributed generation (dg) in electric distribution systems provides an attractive new alternative in capacity expansion planning of these systems. in this paper a new model is developed for solving simultaneous placement of hv/mv substations and dg units as a static planning tool. this model aims to minimize fixed and variable costs of planning. constraints related to dgs, substat...

The need for petascale storage and beyond has led to new storage architectures which are scalable, inexpensive and efficient, replacing large monolithic disk array systems. Cluster-based storage systems ([3], [5]), comprising of a large collection of small, inexpensive and unreliable storage nodes (storage bricks), are increasingly becoming popular. In such systems, data is distributed redundan...

This paper presents PADS, a policy architecture for building distributed storage systems. A policy architecture has two aspects. First, a common set of mechanisms that allow new systems to be implemented simply by defining new policies. Second, a structure for how policies, themselves, should be specified. In the case of distributed storage systems, PADS defines a data plane that provides a fix...

This paper presents PADS, a new policy architecture that makes it easier to develop distributed storage systems. PADS is based on two key ideas. First, a distributed storage system is implemented by specifying a control plane that embodies the design policy of the system over a data plane that provides a set of common mechanisms. Second, the control plane policy is separated into routing policy...