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Lookup NU author(s): Kaiyuan Gao, Yuqing Xu, Dr Delong Shang, Dr Fei Xia, Professor Alex Yakovlev
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In Energy Harvesting (EH) scenarios, the 'survival zone' pertains to the state of power supply with insufficient energy to provide a nominal and stable V-dd. In this situation the system V-dd tends to be low and to vary over a wide band. Benefits can be had if the system can already function to some degree under survival zone conditions. Such functionalities may include providing control to improve the efficiency of power processing units and starting the computation load for light but crucial survival-related tasks. Knowledge of the V-dd is often indispensable for running these types of survival zone functionalities. A novel low-power voltage sensing scheme for EH based electronic systems is proposed to function in the survival zone to provide this vital V-dd information. The method is derived by combining voltage controlled delays and simple circuits to implement time comparison. This paper describes the design, implementation and analysis of this sensing subsystem, which itself draws power from the variable and low V-dd which it is sensing.
Author(s): Gao K, Xu Y, Shang D, Xia F, Yakovlev A
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Power and Timing Modeling, Optimization and Simulation (PATMOS), 2015 25th International Workshop on
Year of Conference: 2015
Pages: 185-192
Print publication date: 01/01/2015
Online publication date: 07/12/2015
Acceptance date: 01/01/1900
Publisher: IEEE
URL: http://dx.doi.org/10.1109/PATMOS.2015.7347605
DOI: 10.1109/PATMOS.2015.7347605
Library holdings: Search Newcastle University Library for this item
ISBN: 9781467394192