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期刊论文 13

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关键词

CAN总线 3

ARM 1

PCI总线 1

PIC16F877A 1

RS—485总线 1

Reed-Solomon码;步进式译码算法;超宽带;流水线架构 1

TT-FPS 1

dsPIC30F4012 1

任务分配 1

任务调度 1

仿真平台 1

余度 1

光纤通信 1

分布式多处理机 1

分布式控制系统 1

反射波转换 1

容错;延时补偿;CAN总线;通信错误;混合动力挖掘机电动回转系统 1

干扰避免 1

并联有源电力滤波器;容错拓扑;分相控制;总线通讯 1

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矿井低压电网选择性漏电保护系统总体设计与实现

孙玉坤,朱志莹,黄振跃,唐平

《中国工程科学》 2012年 第14卷 第7期   页码 93-97

摘要: 该系统在总开关处采用附加直流源检测原理检测是否发生漏电,在分支开关处使用零序功率方向检测原理判断发生漏电故障线路,给出了保护系统的硬件框图和软件流程图,并且采用速度更快的RS485总线及光纤传输技术

关键词: 漏电保护     选择性     dsPIC30F4012     PIC16F877A     RS485总线     光纤通信    

Genetic variation of carotenoids in Chinese bread wheat cultivars and the effect of the 1BL.1RS translocation

Wenshuang LI,Shengnan ZHAI,Hui JIN,Weie WEN,Jindong LIU,Xianchun XIA,Zhonghu HE

《农业科学与工程前沿(英文)》 2016年 第3卷 第2期   页码 124-130 doi: 10.15302/J-FASE-2016094

摘要: Carotenoid content of wheat is an important criterion for prediction of the commercial and nutritional value of products made from bread wheat ( ) cultivars. The objective of this study was to determine the major components of carotenoids in Chinese wheat using ultra performance liquid chromatography (UPLC) including lutein, zeaxanthin, α-carotene and β-carotene. Grain carotenoid content was investigated in 217 cultivars from three major Chinese wheat regions and from seven other countries grown in two environments. Genotype contributed to the majority of variation in carotenoid components. Lutein, zeaxanthin and β-carotene concentrations varied from 18.3 to 100.1, 4.9 to 12.0 and 0.9 to 48.7 μg per 100 g in wheat flour with an average of 40.2, 7.2 and 18.2 μg per 100 g, respectively. Lutein (61.3%) was the main carotenoid component, followed by β-carotene (27.7%) and zeaxanthin (11.0%). No α-carotene was detected. Total carotenoids, lutein, zeaxanthin and β-carotene were all higher in cultivars with the 1BL.1RS translocation compared to those without the translocation. This is the first report on assay of lutein, zeaxanthin and β-carotene concentrations for a large number of wheat cultivars. These data will be useful for genetic improvement of wheat carotenoid content and for understanding of the carotenoid biosynthetic pathway in wheat.

关键词: Triticum aestivum     carotenoids     nutritional quality     UPLC    

CAN总线时间触发机制的实现

吕伟杰,,刘鲁源,王毅新

《中国工程科学》 2005年 第7卷 第9期   页码 40-43

摘要:

分析了CAN总线的时间触发机制,基于8052单片机和CAN控制器SJA1000设计了时间触发机制的实现方案,给出了网络中基本周期中可传输的最大消息数目及可调度分析方法。以汽车引擎控制系统为例进行的实验结果表明,利用CAN总线时间触发机制不仅可以有效地管理消息的传输,而且提高了总线带宽利用率。

关键词: 时间触发     时间同步     CAN总线     分布式控制系统    

基于CAN总线的TT-FPS调度算法研究及其性能分析

吕伟杰,刘鲁源,王毅新

《中国工程科学》 2006年 第8卷 第5期   页码 45-48

摘要:

针对CAN总线中消息在固定优先级调度(FPS)算法下传输不可预知、低优先级消息容易被阻塞的问题,提出了一种基于时间触发机制的固定优先级调度(TT-FPS)算法,给出了最糟糕响应时间的计算方法。

关键词: CAN总线     TT-FPS     最糟糕响应时间    

PCI总线在数控激光加工系统中的应用

张国顺,张健,张泰石,阎锟,黄复清

《中国工程科学》 2002年 第4卷 第6期   页码 25-28

摘要:

PCI总线标准已经成为PC机的主要总线标准,它在三维激光成型、高速激光打标、激光切割等需要高速图形处理的数控激光加工系统中有着广阔的应用前景。文章分析了PCI总线应用中的技术难点,提出了解决方法,并为高速激光打标机设计出了图形处理卡,加工效率提高25%~30%。

关键词: PCI总线     线性突发传送     反射波转换     干扰避免    

多模块并联有源电力滤波器系统及其基于分相控制和实时总线通讯的新型容错控制策略 None

Qun-wei XU, Jin-xiang ZHAN, Long XIAO, Guo-zhu CHEN

《信息与电子工程前沿(英文)》 2018年 第19卷 第9期   页码 1166-1179 doi: 10.1631/FITEE.1601296

摘要: 其次,提出一种基于a-b-c坐标系下分相控制和实时总线通讯的新型容错控制策略。

关键词: 并联有源电力滤波器;容错拓扑;分相控制;总线通讯    

智能阀门定位系统的设计

吴爱国,王立石

《中国工程科学》 2005年 第7卷 第4期   页码 69-73

摘要: 其中应用Philips公司的带CAN总线接口的ARM控制器作为系统的控制核心,既满足了现场实时数据的采集、计算和处理,又可以通过CAN总线使得阀门控制器和控制中心保持实时通信;控制策略采用带智能积分的自学习模糊控制算法

关键词: ARM     控制器     CAN总线     智能积分     自学习模糊控制    

Association of the genetic polymorphism of EPHX1 and EPHX2 with the susceptibility to chronic benzene poisoning

SUN Pin, ZHANG Zhongbin, WU Fen, WAN Junxiang, JIN Xibeng, XIA Zhaolin

《医学前沿(英文)》 2007年 第1卷 第3期   页码 320-326 doi: 10.1007/s11684-007-0062-y

摘要: The aim of this study was to explore the association of the genetic polymorphism of and with the susceptibility to chronic benzene poisoning (CBP). A case-control study of 268 patients with CBP and 268 healthy workers matched by age and sex, all of whom were occupationally exposed to benzene, was conducted. The single nucleotide polymorphisms (SNPs, rs2854451, rs3738047, rs2234922 and rs1051741) of gene and the SNP (rs751141) of gene were tested by the TaqMan PCR method. In the subjects carrying the genotype of rs3738047 GG, the risk of CBP was decreased in the individuals simultaneously carrying rs2234922 G ( = 0.02). Alternatively, in the subjects carrying the genotype of rs2234922 AA, the risk of CBP was increased in the individuals simultaneously carrying the allele of rs751141A ( = 0.03). It was also found that there were potential interactions between alcohol consumption and the polymorphism of rs1051741 ( = 5.28, = 0.02) or rs2234922 (= 6.71, = 0.01). Compared to individuals with rs1051741 CC or rs2234922 AA genotype in the drinkers, the risk of CBP in those carrying genotypes of rs1051741 CT+TT or rs2234922 AG+GG was decreased, respectively ( = 0.04, 〈0.01). Haplotype analysis of polymorphisms in showed that the risk of CBP was increased in the subjects with haplotype 2 (rs2854451-A, rs3738047-G, rs2234922-A, rs1051741-C) or haplotype 4 (rs2854451-G, rs3738047-A, rs2234922-G, rs1051741-T), but decreased in those with haplotype 6 (rs2854451-G, rs3738047-G, rs2234922-G, rs1051741-T) or haplotype 10 (rs2854451-A, rs3738047-A, rs2234922-G, rs1051741-T), respectively. Logistic regression analysis revealed that smoking might play a role in modifying the risk of CBP (OR = 0.313, 95% CI: 0.123 0.794, = 0.015). The genetic polymorphism in may be associated with the risk of CBP in the Chinese occupational population and further research is needed for the association between the genetic polymorphism in and the susceptibility to CBP.

关键词: case-control     rs2854451     regression analysis     haplotype     further research    

Association of miRNA-122-binding site polymorphism at the interleukin-1 α gene and its interaction with hepatitis B virus mutations with hepatocellular carcinoma risk

null

《医学前沿(英文)》 2014年 第8卷 第2期   页码 217-226 doi: 10.1007/s11684-014-0326-2

摘要:

This study was designed to investigate the contribution of miRNA-122-binding site polymorphism at the IL-1A gene and its multiplicative interactions with hepatitis B virus (HBV) mutations in the risk of hepatocellular carcinoma (HCC). A total of 1021 healthy controls, 302 HBV surface antigen (HBsAg) seroclearance subjects, and 2011 HBsAg-positive subjects (including 1021 HCC patients) were enrolled in this study. Quantitative PCR was used to genotype rs3783553. HBV mutations were determined by direct sequencing. Multivariate logistic regression analyses were performed to test the associations of rs3783553, mutations, and their interactions with the risk of HCC. No significant association was found between rs3783553 and the risk of HCC among healthy controls, HBsAg seroclearance subjects, HBsAg-positive subjects without HCC, and all controls. Additionally, rs3783553 was not significantly associated with chronic HBV infection, liver cirrhosis, HBV e antigen seroconversion, abnormal alanine aminotransferase, and high viral load (>104 copies/ml). However, the TTCA insertion allele of rs3783553 was significantly associated with an increased frequency of HBV C7A mutation compared with homozygous TTCA deletion carriers [(del/ins+ ins/ins) vs. del/del, adjusted odds ratio (OR)=1.48, 95% confidence interval (CI)=1.09-2.02, P=0.013]. Multiplicative interaction of rs3783553 with HBV preS deletion significantly reduced the risk of HCC in males, with an adjusted OR of 0.64 (95% CI=0.42-0.98; P=0.041) after age and HBV genotype were adjusted. Although rs3783553 did not significantly affect genetic susceptibility to HBV-related HCC, its variant allele may predispose the host to selecting HBV C7A mutation during evolution and significantly reduce the risk of HCC caused by HBV preS deletion. This study provides an insight into the complex host-virus interaction in HBV-induced hepatocarcinogenesis and is helpful in determining HBsAg-positive subjects who are likely to develop HCC.

关键词: hepatocellular carcinoma (HCC)     interaction     miRNA-122-binding site     IL-1A     rs3783553     hepatitis B virus (HBV) mutations    

机载机电系统总线管理研究

王占林,裘丽华

《中国工程科学》 2001年 第3卷 第6期   页码 48-52

摘要: 文章提出通过总线进行综合管理的方案,使各子系统除完成各自独立功能外还具有余度、容错功能;着重介绍了如何通过仿真平台进行综合管理的研究,给出了平台的硬软件结构及任务分配与调度的策略。

关键词: 分布式多处理机     仿真平台     任务分配     任务调度     余度    

混合动力挖掘机电动回转系统通信错误状态下的分布式容错策略 Article

Da-hui GAO, Qing-feng WANG, Yong LEI

《信息与电子工程前沿(英文)》 2017年 第18卷 第7期   页码 941-954 doi: 10.1631/FITEE.1601021

摘要: 基于自适应的延时与丢帧补偿,提出了一种分布式容错策略,用以确保基于CAN (controller area network)总线的混合动力挖掘机电动回转系统在通信出错时获得良好的运行性能。

关键词: 容错;延时补偿;CAN总线;通信错误;混合动力挖掘机电动回转系统    

一款基于改进的步进式译码算法实现的流水线架构RS码译码器 Article

Xing-ru PENG,Wei ZHANG,Yan-yan LIU

《信息与电子工程前沿(英文)》 2016年 第17卷 第9期   页码 954-961 doi: 10.1631/FITEE.1500303

摘要: 概要:基于改进的步进式译码算法,我们为超宽带系统设计了一款流水线架构的Reed-Solomon(RS)码译码器。为了减小复杂度,改进的步进式译码算法将传统步进式译码算法中冗余的两部分进行了结合。因此,对于RS(23,17)码,我们所设计的译码器面积比ME(modified Euclidean)架构和pDCME(pipelined degree-computationless modified

关键词: Reed-Solomon码;步进式译码算法;超宽带;流水线架构    

基于可观测节点信息的控制器局域网节点可靠性评估 Article

Lei-ming ZHANG, Long-hao TANG, Yong LEI

《信息与电子工程前沿(英文)》 2017年 第18卷 第5期   页码 615-626 doi: 10.1631/FITEE.1601029

摘要: 基于控制器局域网的总线技术广泛应用于网络化制造系统。网络作为系统的信息通道,其可靠性对系统的吞吐量、产品质量以及工作人员的安全至关重要。本文提出一种新颖的控制器局域网节点可靠性评估方法,该方法使用节点脱离总线时间作为可靠性测度。基于网络错误日志和错误计数器值可访问的可观测节点信息,该方法可以估计网络中节点的发送错误计数器值。最后,建立了节点可靠性评估方法以预测节点的脱离总线时间。为表明文中方法的有效性,进行了多组实验。实验结果表明由文中方法得到的估计值与实际观测值相一致。

关键词: 控制器局域网;发送错误计数器;发送错误计数器值估计;贝叶斯网络;脱离总线时间    

标题 作者 时间 类型 操作

矿井低压电网选择性漏电保护系统总体设计与实现

孙玉坤,朱志莹,黄振跃,唐平

期刊论文

Genetic variation of carotenoids in Chinese bread wheat cultivars and the effect of the 1BL.1RS translocation

Wenshuang LI,Shengnan ZHAI,Hui JIN,Weie WEN,Jindong LIU,Xianchun XIA,Zhonghu HE

期刊论文

CAN总线时间触发机制的实现

吕伟杰,,刘鲁源,王毅新

期刊论文

基于CAN总线的TT-FPS调度算法研究及其性能分析

吕伟杰,刘鲁源,王毅新

期刊论文

PCI总线在数控激光加工系统中的应用

张国顺,张健,张泰石,阎锟,黄复清

期刊论文

多模块并联有源电力滤波器系统及其基于分相控制和实时总线通讯的新型容错控制策略

Qun-wei XU, Jin-xiang ZHAN, Long XIAO, Guo-zhu CHEN

期刊论文

智能阀门定位系统的设计

吴爱国,王立石

期刊论文

Association of the genetic polymorphism of EPHX1 and EPHX2 with the susceptibility to chronic benzene poisoning

SUN Pin, ZHANG Zhongbin, WU Fen, WAN Junxiang, JIN Xibeng, XIA Zhaolin

期刊论文

Association of miRNA-122-binding site polymorphism at the interleukin-1 α gene and its interaction with hepatitis B virus mutations with hepatocellular carcinoma risk

null

期刊论文

机载机电系统总线管理研究

王占林,裘丽华

期刊论文

混合动力挖掘机电动回转系统通信错误状态下的分布式容错策略

Da-hui GAO, Qing-feng WANG, Yong LEI

期刊论文

一款基于改进的步进式译码算法实现的流水线架构RS码译码器

Xing-ru PENG,Wei ZHANG,Yan-yan LIU

期刊论文

基于可观测节点信息的控制器局域网节点可靠性评估

Lei-ming ZHANG, Long-hao TANG, Yong LEI

期刊论文