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redundant

c pgm to find redundant paths in a graph.Many fault-tolerant network algorithms rely on an underlyin

c pgm to find redundant paths in a graph.Many fault-tolerant network algorithms rely on an underlying assumption that there are possibly distinct network paths between a source-destination pair. Given a directed graph as input, write a program that uses depth-first search to determine all such paths. Note that, these paths are not vertex-disjoint i.e., the vertices may repeat but they are all edge-disjoint i.e., no two paths have the same edges. The input is the adjacency matrix of a directed acyclic graph and a pair(s) of source and destination vertices and the output should be the number of such disjoint paths and the paths themselves on separate lines. In case of multiple paths the output should be in order of paths with minimum vertices first. In case of tie the vertex number should be taken in consideration for ordering.

標(biāo)簽： fault-tolerant algorithms redundant underlyin

上傳時間： 2013-12-18

上傳用戶：jkhjkh1982
基于FPGA的磁盤陣列控制器的硬件設(shè)計與實(shí)現(xiàn).rar

隨著存儲技術(shù)的迅速發(fā)展，存儲業(yè)務(wù)需求的不斷增長，獨(dú)立的磁盤冗余陣列可利用多個磁盤并行存取提高存儲系統(tǒng)的性能。磁盤陣列技術(shù)采用硬件和軟件兩種方式實(shí)現(xiàn)，軟件RAID（redundant Array of Independent Disks）主要利用操作系統(tǒng)提供的軟件實(shí)現(xiàn)磁盤冗余陣列功能，對系統(tǒng)資源利用率高，節(jié)省成本。硬件RAID將大部分RAID功能集成到一塊硬件控制器中，系統(tǒng)資源占用率低，可移植性好。分析了軟件RAID的性能瓶頸，使用硬件直接完成部分計算提高軟件RAID性能。針對RAID5采用FPGA（Field Programmable Gate Array）技術(shù)實(shí)現(xiàn)RAID控制器硬件設(shè)計，完成磁盤陣列啟動、數(shù)據(jù)緩存（Cache）以及數(shù)據(jù)XOR校驗(yàn)等功能。基于硬件RAID的理論，提出一種基于Virtex-4的硬件RAID控制器的系統(tǒng)設(shè)計方案：獨(dú)立微處理器和較大容量的內(nèi)存；實(shí)現(xiàn)RAID級別遷移，在線容量擴(kuò)展，在線數(shù)據(jù)熱備份等高效、用戶可定制的高級RAID功能；利用Virtex-4內(nèi)置硬PowerPC完成RAID服務(wù)器部分配置和管理工作，運(yùn)行Linux操作系統(tǒng)、RAID管理軟件等?？刂破骷瓤梢宰鳛镽AID控制卡在服務(wù)器上使用，也可作為一個獨(dú)立的系統(tǒng)，成為磁盤陣列的調(diào)試平臺。隨著集成電路的發(fā)展，芯片的體積越來越小，電路的布局布線密度越來越大，信號的工作頻率也越來越高，高速電路的傳輸線效應(yīng)和信號完整性問題越來越明顯。RAID控制器屬于高速電路的范疇，在印刷電路板（Printed Circuit Block, PCB）實(shí)現(xiàn)時分別從疊層設(shè)計、布局、電源完整性、阻抗匹配和串?dāng)_等方面考慮了信號完整性問題，并基于IBIS（I/O Buffer Information Specification）模型進(jìn)行了信號完整性分析及仿真。

標(biāo)簽： FPGA 磁盤陣列控制器

上傳時間： 2013-04-24

上傳用戶：jeffery
利用高壓看門狗定時器加強(qiáng)汽車安全系統(tǒng)

Abstract: As electronic systems take over many of the mechanical functions in a car—ranging from engine timing to steering andbraking—there is a growing concern about fault tolerance. There should not be a single point of failure that would prevent a car fromat least "limping" off the road or making it to the nearest service station. redundant systems, watchdog timers, and other controlcircuits are used to reroute signals and perform other functions that ensure that a vehicle can safely make it off the road when afailure occurs.

標(biāo)簽： 看門狗定時器汽車安全系統(tǒng)

上傳時間： 2013-11-10

上傳用戶：diets
The Reed-Somolon code is specified by the finite field, the length (length <= 2^m-1), the numbe

The Reed-Somolon code is specified by the finite field, the length (length <= 2^m-1), the number of redundant symbols (length-k), and the initial zero of the code, init_zero, such that the zeros are: init_zero, init_zero+1, ..., init_zero+length-k-1

標(biāo)簽： length the Reed-Somolon specified

上傳時間： 2014-07-31

上傳用戶：skfreeman
Feature selection is a preprocessing technique frequently used in data mining and machine learning t

Feature selection is a preprocessing technique frequently used in data mining and machine learning tasks. It can reduce dimensionality, remove irrelevant data, increase learning accuracy, and improve results comprehensibility. FCBF is a fast correlation-based filter algorithm designed for high-dimensional data and has been shown effective in removing both irrelevant features and redundant features

標(biāo)簽： preprocessing frequently selection technique

上傳時間： 2014-01-19

上傳用戶：lindor
Autonomous+Robots+Modeling,+Path+Planning

A kinematically redundant manipulator is a serial robotic arm that has more independently driven joints than are necessary to define the desired pose (position and orientation) of its end-effector. With this definition, any planar manipulator (a manipulator whose end-effector motion is restrained in a plane) with more than three joints is a redundant manipulator. Also, a manipulator whose end-effector can accept aspatialposeisaredundant manipulator ifithas morethan sixindependently driven joints. For example, the manipulator shown in Fig. 1.1 has two 7-DOF arms mounted on a torso with three degrees of freedom (DOFs). This provides 10 DOFs for each arm. Since the end-effector of each arm can have a spatial motion with six DOFs, the arms are redundant.

標(biāo)簽： Autonomous Modeling Planning Robots Path

上傳時間： 2020-06-10

上傳用戶：shancjb

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redundant

c pgm to find redundant paths in a graph.Many fault-tolerant network algorithms rely on an underlyin

基于FPGA的磁盤陣列控制器的硬件設(shè)計與實(shí)現(xiàn).rar

利用高壓看門狗定時器加強(qiáng)汽車安全系統(tǒng)

The Reed-Somolon code is specified by the finite field, the length (length <= 2^m-1), the numbe

Feature selection is a preprocessing technique frequently used in data mining and machine learning t

Autonomous+Robots+Modeling,+Path+Planning