VME Bus-Based Multiprocessor Parallel Data Acquisition System

Abstract:

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.

• Periodical: Advanced Materials Research (Volume 650)
• Pages: 529-536
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.650.529
• Online since: January 2013
• Authors: Rou Gang Zhou, Yun Fei Zhou, Xing Chen
• Keywords: Field-Programmable Gate Array (FPGA), Memory Scheduling, Synchronous Parallel Acquisition, VME

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