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Vol. 160, Issue 12, December 2013, pp. 607-611




Reliable Power Monitoring System Based on Real-Time and Fault-Tolerant CORBA
Hongjian LIAO, Yawu XU

Guangzhou Higher Education Mega Center, Guangzhou University, No. 230 Outer Ring Road, Guangzhou, 510006, China
Tel.: +86-15902073512, fax: +86-20-39366406
E-mail: LiaoHongJian@gzhu.edu.cn


Received: 19 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems


Abstract: To improve the real-time and fault-tolerant performance of data transmission in sensor-based distributed power monitoring system, the principle of event service in common object request broker architecture was analyzed, and the "subscribe/publish" mechanism was realized by improving and extending event service in push model in order to reinforce real-time performance. And a semi-active copy method of fault-tolerant was proposed under push model. On this basis, the model of real-time and fault-tolerance middleware in the power monitoring system was designed and realized with these methods. This model was used in the network communication layers of multiple power monitoring systems, and the results shows that the model is safe and reliable with real-time response.


Keywords: Power monitoring, CORBA middleware, Event service, Real-time, Fault-tolerance, SCADA.


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