NDLI: E: a visual language for virtual instruments system

Content Provider	IEEE Xplore Digital Library
Author	Rui-Rong Wang Jing-Zhong Wang Anke Xue
Copyright Year	2004
Description	Author affiliation: Dept. of Autom., Hangzhou Electron. Sci. & Technol. Univ., China (Rui-Rong Wang; Jing-Zhong Wang; Anke Xue)
Abstract	Visual development environments such as Lab View and Agilent VEE allow users to develop their virtual instruments (VIs) quickly and intuitively. Both the software development tools are based on dynamic homogeneous dataflow (DHDF) visual language. But the pure data-driven DHDF model has two demerits when working on a single processor system: one is that it needs a dynamic scheduler to schedule the nodes continually and circularly, which consumed almost all the CPU resource; the other is it can't react to interrupt (or event) in an event-driven operating systems that are ubiquitous. A visual language E based on an event-triggered concurrent dataflow (ECDF) model is presented in this paper. The dataflow scheduler in E stops when there is no node ready for execution and can be activated by a data-ready event. This operating mechanism leads to two advantages: the efficiency using of CPU and high responding speed to external events.
Starting Page	784
Ending Page	787
File Size	294091
Page Count	4
File Format	PDF
ISBN	0780384032
DOI	10.1109/ICMLC.2004.1382291
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruments Yarn Operating systems Computer languages Runtime Displays Dynamic scheduling Real time systems Petri nets Data processing
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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E: a visual language for virtual instruments system