Research and Application of FPGA-Based Polling Strategy in Ad Hoc Network Data Acquisition System

2013 ◽  
Vol 380-384 ◽  
pp. 3584-3588
Author(s):  
Zheng Peng Zhao ◽  
Yan Yan Yu ◽  
Zhe Jiang ◽  
Jun Yang
Keyword(s):  
Data Acquisition ◽  
Mobile Communications ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Access Network ◽  
Data Acquisition System ◽  
System Stability ◽  
Acquisition System ◽  
Network Data ◽  
Allocation Mechanism

Ad Hoc network has the characteristics of self-organization and dynamic topology, so it can use polling strategy for data collection. In this paper, the data link layer of the Ad Hoc network data acquisition system has been carried out the detailed analysis and study, through the use of polling policy in the access network node to solve the problem of competition for resources and allocation mechanism in the network link, and improve the channel utilization and system stability. The design based on VHDL language to achieve RTL-level description of the Ad Hoc network data acquisition system, and Altera Corporation EP2C35F672C6 as target chip, and in the Quartus II platform 8.0 conducts synthesis, placement, routing, and comprehensive simulation, and finally inDE2 the experimental board download is verified. The entire hardware design is of simple structure, reliable high, real-time, and can be widely used in the field of sensor networks and mobile communications network.

scholarly journals Mechanical Ventilation Monitoring: Development of a Network Data Acquisition System

2020 ◽  
Vol 53 (2) ◽  
pp. 15916-15921
Author(s):  
Qing Arn Ng ◽  
Nien Loong Loo ◽  
Yeong Shiong Chiew ◽  
Chee Pin Tan ◽  
Azrina Mohd Ralib ◽  
...  
Keyword(s):  
Mechanical Ventilation ◽  
Data Acquisition ◽  
Data Acquisition System ◽  
Acquisition System ◽  
Network Data ◽  
Ventilation Monitoring

VME Bus-Based Multiprocessor Parallel Data Acquisition System

2013 ◽  
Vol 650 ◽  
pp. 529-536
Author(s):  
Rou Gang Zhou ◽  
Yun Fei Zhou ◽  
Xing Chen
Keyword(s):  
Data Acquisition ◽  
High Speed ◽  
Data Exchange ◽  
Data Acquisition System ◽  
Acquisition System ◽  
Allocation Mechanism ◽  
Control Card ◽  
Specific Memory ◽  
Data Bus ◽  
Arithmetic System

Synchronization data acquistition system with multiple processors is the trend of the modern manufacturing equipment development. Complex high-precision equipment even has hundreds of sensors and they are acquiring data at the same time, the sensors are distributed in dozens of data acquisition cards. The key technology is the acquisition system enable to synchro-gather data from data acquisition cards which base on data bus between them and then sent the gather data to arithmetic system. In order to synchronic data integration, it is required a high-speed and low-latency data channels and a suitable data protocol between data acquisition cards and main control card. This paper introduce a new type of synchronous data acquisition system, through the self-defined data bus and a specific memory allocation mechanism, the data acquisition system can sent the integrate data to arithmetic system through main control card after it get the data from acquisition cards, the transfer delay of data exchange is nanoseconds.

scholarly journals Design of Data Acquisition System Based on Zigbee for Wireless Sensor Networks

2018 ◽  
Vol 246 ◽  
pp. 03036
Author(s):  
Shi Lei
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Wireless Communication ◽  
Data Acquisition ◽  
Sensor Network ◽  
Communication Technologies ◽  
Data Acquisition System ◽  
Acquisition System ◽  
Wireless Sensor ◽  
Network Data

With the continuous development of modern network technology, sensor technology and wireless communication technologies, the emergence and development of wireless sensor networks has been promoted. Among many wireless communication technologies, wireless communication technology featuring low power consumption, close proximity and low cost for ZigBee has attracted the research interest of researchers. Based on the current status of communication systems, based on the review and system analysis of wireless sensor networks, this paper proposes a ZigBee-based wireless sensor network data acquisition system, which avoids the reliability and installation of traditional wired sensor network data acquisition systems and shortcomings such as high maintenance costs and large wiring.

Wireless Data Acquisition System for Greenhouses

2011 ◽  
pp. 136-147
Author(s):  
Jaime Ortegón Aguilar ◽  
Javier Vázquez Castillo ◽  
Freddy Chan Puc ◽  
Alejandro Castillo Atoche ◽  
Mayra Palomino Cardeña ◽  
...  
Keyword(s):  
Data Acquisition ◽  
Wireless Ad Hoc Networks ◽  
Ad Hoc ◽  
Data Acquisition System ◽  
Acquisition System ◽  
New Paradigm ◽  
Wireless Data ◽  
Wireless Data Acquisition ◽  
Relevant Variables ◽  
Hoc Networks

This chapter presents a novel wireless data acquisition system. The system has been designed to take advantage of inexpensive robotics systems like Lego NXT, which establishes a new paradigm in the wireless ad-hoc networks field. The system architecture can record data from different variables in greenhouse environments. These wireless systems employ wireless access points (WAPs) and wireless-fidelity (Wi-Fi) adapter modules for data acquisition that sample the environment. The measurements data are transmitted to a central station or inclusive to another different node. The acquisition system was designed and adapted to be used in greenhouses located in Quintana Roo, Mexico, where the typical relevant variables are temperature, luminosity and humidity. The developed system uses virtual instrumentation to measure and record environmental variables. The proposed implementation uses commercial data acquisition boards and sensors to gather data, which are processed and visualized with the LabVIEW-based software.

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