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《Automation of Electric Power Systems》 2009-15
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A Massive COMTRADE Data Parallel Parsing Algorithm

GUI Xun1,YAO Lan2,QIAN Qingquan3(1.University of Electronic Science and Technology of China,Chengdu 610054,China;2.Chengdu University of Information Technology,Chengdu 610225,China;3.Southwest Jiaotong University,Chengdu 610031,China)  
In light of the tendency of transient supervised data in a power system toward massive development and the pressure brought about on various serial programming analysis software,a massive common format for transient data exchange(COMTRADE) data parallel parsing algorithm based on the multi-core and pipeline design idea is studied.For the parallel parsing algorithm in the binary data format,two phases are adopted,the first is for file reading and the second,multi-thread parsing.For the parallel load algorithm in the ASCII format,three phases are adopted,the first and second phase are the same as the binary data format,the third is for block edge data parsing,which subverts the traditional serial parsing algorithm of the ASCII text.In the algorithm presented,the sequence number that is overlooked in the past is effectively used in the COMTRADE data file,greatly improving the degree of parallelism.Test results show that a fairly high acceleration ratio can be achieved using the algorithm presented,while the linear acceleration ratio can be obtained with an increase of the core number and COMTRADE data.
【CateGory Index】: TM769
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【Citations】
Chinese Journal Full-text Database 5 Hits
1 YUE Quan-ming, YU Wei-yung, BAI Chuan-jun, FEI Ming-wei, DU Jun-hong ( Shanghai Jiaotong University, Shanghai 200240, China) (NARI-Relays Electric Co Ltd, Nanjing 211100, China) (Lin'an Power Supply Bureau, Lin'an 311300, China);Novel Compression Scheme of Fault Recording Data in Power Systems Based on Lifting Algorithm[J];Automation of Electric Power Systems;2005-05
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 SUN Jing-feng1, ZHOU Guo-zhu2, MA Hong-lin2, WANG Xue-wei1 (1. College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China;2. Beijing Electronic Science and Technology Vocational College, Beijing 100029, China);Integer wavelet threshold compression algorithm based on ARM9 and its EVC realization[J];Electrical Measurement & Instrumentation;2007-09
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4 ZHAO Yanfen YANG Honggeng (Sichuan University,Chengdu 610065,China);Data Compression Method Using 2-Dimensional Discrete Wavelet Transform for Power Quality Detection[J];Automation of Electric Power Systems;2006-15
5 YUE Quanming , FEI Mingwei , ZHANG Peichao , YU Weiyong , ZHANG Qiming, WANG Zhongmin , ZHOU Lan ( Shanghai Jiaotong University, Shanghai 200240, China) ( Shanghai Electrical Power Company, Shanghai 200122, China);A Novel Self-adaptive Algorithm for Compressing Fault Recorded Data from the EHV Power Network[J];Automation of Electric Power Systems;2006-21
6 GUI Xun, LIU Zhigang, QIAN Qingquan(Southwest Jiaotong University, Chengdu 610031, China);General Extensible Fault Analysis Software for Power System Based on Patterns[J];Automation of Electric Power Systems;2007-15
7 ZHOU Rui,BAO Wen,YU Xiao,HE Huixin,LIU Jinfu(Harbin Institute of Technology,Harbin 150001,China);Data Compression Method Based on Lifting Wavelet Transform and Hybrid Entropy Coding[J];Automation of Electric Power Systems;2007-22
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