Design, development and analysis of energy harvesting system for wireless pulsating sensors

2016 IEEE Annual India Conference (INDICON) Pub Date : 2016-12-01 DOI:10.1109/INDICON.2016.7838931

K. Praveen, Manasa Pudipeddi, M. Sivaramakrishna

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引用次数: 2

Abstract

Energy is available all around us in various forms such as solar, thermal, piezoelectric, vibrational energies, etc. These forms of energy can be converted into electric energy that can power wireless sensors. Energy consumption of wireless sensor is a bottleneck in various applications that require long life time. This paper presents a detailed power consumption analysis of ZigBee based wireless pulsating sensors, design of an energy harvesting system to cater its power requirements and optimizing the sleep interval to enhance its life time. A low voltage buck-boost converter is used to harvest power from solar panel and power the wireless node. A rechargeable battery is used as a backup power source. The surplus power from the solar panel is used to charge the battery. Super capacitors are provided to meet the peak current requirements of wireless nodes. The circuit was designed, fabricated and tested with an RTD based temperature sensor. Data is logged at different cyclic sleep interval from which the optimized sleep time for minimum average current consumption is evaluated.

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无线脉动传感器能量采集系统的设计、开发与分析

能量以各种形式存在于我们周围，如太阳能、热能、压电、振动能等。这些形式的能量可以转化为电能，为无线传感器供电。在各种需要长寿命的应用中，无线传感器的能量消耗是一个瓶颈。本文详细分析了基于ZigBee的无线脉动传感器的功耗，设计了能量收集系统以满足其功耗需求，并优化了睡眠间隔以延长其使用寿命。一个低压降压-升压转换器用于从太阳能电池板收集电力并为无线节点供电。可充电电池用作备用电源。太阳能电池板产生的剩余电能被用来给电池充电。提供超级电容，满足无线节点的峰值电流要求。设计、制作了该电路，并用RTD温度传感器对其进行了测试。以不同的循环睡眠间隔记录数据，从中评估最小平均电流消耗的最佳睡眠时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE Annual India Conference (INDICON)

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