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实时性测试
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  real-time performance test
     Real-time performance test and analysis of Linux
     Linux操作系统实时性测试及分析
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  “实时性测试”译为未确定词的双语例句
     Test and Analysis of Real-time Performance for l00Base-T Fast Ethernet Network
     100Base-T快速以太网实时性测试与分析
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     At last combining with DARTS method a test case generation model for real time embedded software is presented by using time auto-machine model and appending time scheme in z specification language to describe real-time property .
     最后结合目前实时嵌入式系统开发的热点,针对实时嵌入式软件测试用例设计中的实时性测试问题进行初步探索,引入时间自动机的概念对UML状态图进行实时扩展,在传统的Z规格说明中加入时间模式描述嵌入式系统的实时特性,结合嵌入式软件的DARTS设计方法,提出一个嵌入式软件测试用例生成模型;
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     The EPA equipments of different factories in 863 Project have been tested by using the platform of EPA system real-time testing, and the results prove the effectiveness of EPA, which provide important assurance for the acceptance of 863 Project.
     应用EPA实时性测试平台对863课题组不同厂家的EPA设备进行了验收测试,结果证明EPA系统实时测试平台的有效性,为863项目的顺利验收提供了重要依据。
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     Research on the Test Method of Real-time Performance of EPA
     工业以太网EPA实时性测试方法研究
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     This article study theory of Modbus/TCP Transport Protocol,then test Real-time Performance of Modbus/TCP Transport Protocol between Ethernet communication Modul of Quantum PLC and Monitor Platform.
     以Modbus和TCP传输协议为研究对象,对其协议性机理进行了的研究。 在此基础上,在Quantum系列PLC的以太网通信模块与上位监控站之间,做了基于Modbus/TCP传输协议的实时性测试
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     Real-time performance test and analysis of Linux
     Linux操作系统实时测试及分析
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     Networked Test Systems and Real-time Study
     网络化测试系统及实时研究
短句来源
     Study on Real-time of Networked Test System
     网络化测试系统实时研究
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     Real-Time Testing of FPGAs
     FPGA的实时测试
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     Real Time Testing of EPROM
     EPROM 的实时测试
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To m eetthe requirement of real- time analysis and em ergency control of power system s,a novel m ethod is proposed to im plem entthe forced real- time com munication in real- tim e control and analysis system for power systems. In this method, the multi- Ethernet topology is adopted in com munication net design,the connectionless UDP protocol is used as com munication protocol,the multim edia tim er and non- blocking m ode is used in software design. The feasibility of forced real- tim e com munication...

To m eetthe requirement of real- time analysis and em ergency control of power system s,a novel m ethod is proposed to im plem entthe forced real- time com munication in real- tim e control and analysis system for power systems. In this method, the multi- Ethernet topology is adopted in com munication net design,the connectionless UDP protocol is used as com munication protocol,the multim edia tim er and non- blocking m ode is used in software design. The feasibility of forced real- tim e com munication is proved by the tests of real- tim e performance.A large am ount of experiment data shows that the proposed method can satisfy the real- time and reliable demands of power system s.

为满足电力系统实时决策和紧急控制对实时性的要求 ,提出了电力系统实时决策系统中强实时通信的设计与实现方法。其中网络设计采用复合网络拓扑 ,通信协议采用无连接的 UDP通信协议 ,软件设计采用多媒体定时中断和非阻塞通信模式。实时性测试证明了强实时通信的可行性。大量的实验数据显示该通信设计方案可满足电力系统实时性和可靠性的要求。

This paper first studies the efficiency of media access control layer of OSI/ISO model in Ethernet, from the result of the study, the strongest potential ability of Ethernet is calculated and proved by the data of MAC performance tests. Then, through testing the real-time performance of connection-oriented protocol and connectionless protocol, it is proved that to the distributed control system, using connection-oriented protocol in transfer layer is unacceptable. Finally, the result of power system fault experiment...

This paper first studies the efficiency of media access control layer of OSI/ISO model in Ethernet, from the result of the study, the strongest potential ability of Ethernet is calculated and proved by the data of MAC performance tests. Then, through testing the real-time performance of connection-oriented protocol and connectionless protocol, it is proved that to the distributed control system, using connection-oriented protocol in transfer layer is unacceptable. Finally, the result of power system fault experiment shows that by following the conclusions of this paper, the requirement of real-time performance can be satisfied in the distributed control system.

研究了基于OSI/ISO七层参考模型的Mac子层的通信协议的效率,计算并通过实验证明了应用于分布式控制系统时以太网Mac子层的最大潜力。在对基于连接的协议和基于无连接的协议进行实时性测试后,大量实验数据论证了对于采用IP协议族的分布式控制系统来讲,必须在传输层采用基于无连接的UDP协议,最后通过电力系统故障实验证明在分布式控制系统中采用以上方案可以达到实时性的要求。

The idea of open architecture was introduced into the research of agricultural robot controller, and the hardware and software requirements of the open architecture controller were analyzed. The PC+DSP (Personal Computer & Digital Signal Processing) mode of the open architecture was adopted to construct the hardware of the open architecture control system with PC and PMAC (Programmable Multi Axes Controller). Under the RTLinux (Real Time Linux), a kind of real time operation system, the PMAC device driver...

The idea of open architecture was introduced into the research of agricultural robot controller, and the hardware and software requirements of the open architecture controller were analyzed. The PC+DSP (Personal Computer & Digital Signal Processing) mode of the open architecture was adopted to construct the hardware of the open architecture control system with PC and PMAC (Programmable Multi Axes Controller). Under the RTLinux (Real Time Linux), a kind of real time operation system, the PMAC device driver and control software were developed to establish the open architecture control system of agricultural robot. The xy platform with two freedoms was controlled by this control system. With these control parameters (proportional gain is 19000, integral gain is 1000, derivative gain is 1000, velocity feedforward gain is 4700, acceleration feedforward gain is 20) the xy platform had ideal transient performance, small position and velocity error. It took 28.03 s and 30.28 s to complete the same task under RTLinux and Linux respectively. The test results proved that the open architecture control system of agricultural robot was real time and had good control performance.

在农业机器人控制系统的设计上采用开放式结构的思想。分析了开放式结构控制系统对硬件和软件的要求 ,采用PMAC(Programmable Multi- Axes Controller)运动控制卡以 PC+DSP(Personal Computer & Digital Signal Processing)模式构建硬件平台 ;以 RTL inux(Real Time L inux)为实时操作系统建立相应的软件体系结构 ,编写了 PMAC基于 RTL inux的驱动程序 ,并开发了相应的控制软件 ,设计出了具有开放式结构的农业机器人控制系统。以二自由度运动平台为控制对象进行了控制性能和实时性测试 ,当控制参数调整为 :比例增益为 190 0 0 ,积分增益为 10 0 0 ,微分增益为 10 0 0 ,速度前馈为4 70 0 ,加速度前馈为 2 0 ,具有良好的瞬态特征、位置控制和速度控制性能 ;在 RTL inux和 L inux下运行相同任务消耗的时间分别为 2 8.0 3s和 30 .2 8s。结果表明 ,该系统具有良好的控制性能和实时性。

 
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