Hardware Platform Design for Network Performance Closed-Loop Testing System of Smart Substations

2014 ◽  
Author(s):  
Feng Shanqiang ◽  
Hou Aijun ◽  
He Jie ◽  
Yangyingan
Keyword(s):  
Network Performance ◽  
Closed Loop ◽  
Testing System ◽  
Hardware Platform ◽  
Platform Design

Network Performance Testing System Integrating Models for Automatic QoE Evaluation of Popular Services: YouTube and Facebook

2015 ◽  
Vol 81 (4) ◽  
pp. 1377-1397 ◽  
Author(s):  
Francisco Lozano ◽  
Gerardo Gómez ◽  
Mari-Carmen Aguayo-Torres ◽  
Carlos Cárdenas ◽  
Antonio Plaza ◽  
...  
Keyword(s):  
Network Performance ◽  
Performance Testing ◽  
Testing System

scholarly journals Hardware Platform Design for Baseband Data Transmission of WCDMA Based on USB3.0

2018 ◽  
Vol 246 ◽  
pp. 03005
Author(s):  
Fu Xiao ◽  
Li-ming Xiao
Keyword(s):  
High Throughput ◽  
Data Transmission ◽  
Delay Time ◽  
Software Defined Radio ◽  
Experimental Results ◽  
Hardware Platform ◽  
Platform Design ◽  
Radio System ◽  
Throughput Rate ◽  
Low Delay

This paper proposes a hardware platform for WCDMA baseband data transmission, which consists of USB3.0 interface, general purposes processor (GPP), and software defined radio (SDR) system. In view of the requirements of WCDMA system, the hardware platform consisting of USB3.0 controller, FPGA and DDRII was selected, which finally realized the high throughput rate and low delay transmission of baseband data of WCDMA system. The experimental results show that in this GPP software defined radio system, the interface speed of USB3.0 can reach 200MBps, and the loopback delay time of the system is about 0.7ms, which can meet the requirements of WCDMA system.

A Closed-Loop Test System for Network Performance of Smart Substation

2014 ◽  
Vol 1008-1009 ◽  
pp. 694-700
Author(s):  
Kai Ma ◽  
Shu Huang ◽  
Shan Qiang Feng
Keyword(s):  
Network Performance ◽  
Closed Loop ◽  
Performance Test ◽  
Test System ◽  
Frame Rate ◽  
Test Form ◽  
Network Testing ◽  
Transformer Substation ◽  
Testing Technology ◽  
Smart Substation

The key support technology of smart substation testing technology is analyzed, the concrete application of smart substation is combined with the traditional network testing, and the function of real-time network packet analysis is introduced, which has make the process of smart substation layer network test form a closed loop system, extend and improve the system of smart substation performance test. And links to the reality, to the transformer substation switchboard network storm suppression function, the time delay, lost projects and so on the frame rate to carry on the statistics, the contrast has confirmed this plan feasibility and the validity.

Hardware platform design decisions in embedded systems

2007 ◽  
Vol 4 (1) ◽  
pp. 27-35 ◽  
Author(s):  
Falk Salewski ◽  
Stefan Kowalewski
Keyword(s):  
Embedded Systems ◽  
Hardware Platform ◽  
Design Decisions ◽  
Platform Design

Development of a Closed-Loop High-Cycle Resonant Fatigue Testing System

2011 ◽  
Vol 52 (3) ◽  
pp. 275-288 ◽  
Author(s):  
G. J. Yun ◽  
A. B. M. Abdullah ◽  
W. Binienda
Keyword(s):  
Closed Loop ◽  
Fatigue Testing ◽  
Testing System

Study on the Framework of Software-Based Open CNC System Based on PC+I/O

2011 ◽  
Vol 66-68 ◽  
pp. 54-58
Author(s):  
Qun Yan ◽  
Dian Gang Xi ◽  
Si Shen Liu
Keyword(s):  
Comparative Study ◽  
Cnc System ◽  
Hardware Platform ◽  
Platform Design ◽  
Key Technology ◽  
Nc System ◽  
Open Cnc ◽  
Software And Hardware ◽  
Open Cnc System ◽  
Design Ideas

In this paper was analyzed on the architecture of PC NC system, and was studied design ideas of PC+I/O software-based structure and its exist advantages, and was analyzed with some key technology solutions, comparative study, and put forward the framework of software and hardware platform design based on PC+I/O software-based structural CNC system.

Durability Testing System with Power Recycle for the Variable Displacement Closed-Loop Hydraulic Pumps

2012 ◽  
Vol 241-244 ◽  
pp. 1333-1337
Author(s):  
Hua Bing Wang ◽  
Jun Ke Hu
Keyword(s):  
Closed Loop ◽  
Testing System ◽  
Hydraulic Motor ◽  
Rotating Speed ◽  
Inlet Port ◽  
System Pressure ◽  
Variable Displacement ◽  
Durability Testing ◽  
Pressure Compensation ◽  
Starting Control

A testing system scheme with power recycle for hydraulic pumps’ durability is present, which is based on a hydraulic motor with hydraulicly overridden pressure compensation. The hydraulic motor can adaptively adjust its displacement to meet the demand of displacement match of the power feedback in the system. The system pressure can be set by adjusting the starting control pressure of the motor. The rotating speed of the pump is guaranteed by the control of the driven electrical motor. A hydraulic bridge unit is used to guide the flow from the outport of the pump to the fixed inlet port of the hydraulic motor and thus causes the motor to rotate in a certain direction to drive the pump in order to recycle the power.

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