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Field communication capabilities has became one of the main elements of an enterprise information system. The information generated in field devices has been mainly used for control and maintenance management. Due to the characteristic feature of distributed data transfer, which enables single field devices to execute automation tasks, and not just to generate information, they are now not 'only'...
This paper describes a method for stability analysis and design of a fast voltage loop in DC-DC converters. The method is based on the Popov criterion, which unifies tools for nonlinear system analysis with frequency domain analysis tools used in linear systems. This study establishes sufficient conditions for absolute stability of time-varying control systems. The proposed conditions extend in a...
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