Multiple tasks in FPGA-based programmable controller

被引：2
|
作者：
Hajduk, Zbigniew [1 ]
Sadolewski, Jan [1 ]
Trybus, Bartosz [1 ]
机构：
[1] Rzeszow Univ Technol, Fac Elect & Comp Engn, Dept Comp & Control Engn, Rzeszow, Poland
来源：
E-INFORMATICA SOFTWARE ENGINEERING JOURNAL | 2011年 / 5卷 / 01期
关键词：
D O I：
10.2478/v10233-011-0032-2
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
An FPGA-based execution platform for PLC controllers with capability to run multiple control tasks is presented. The platform, called multi-CPCore, uses hardware virtual machines to execute control tasks defined in CPDev engineering environment. The tasks consist of one or more programs written in IEC 61131-3 languages, such as ST, IL or FBD. They may run with different cycles and communicate via global variables. Parallel programming mechanisms like process image and semaphores are provided to handle potential conflicts when accessing shared resources.
引用
收藏
页码：77 / 85
页数：9
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