Abstract
In this paper, the far-field energy harvesting system for self-sustainable wireless autonomous sensor application is presented. The proposed autonomous sensor system consists of a wireless power supplier (active antenna) and far-field energy harvesting technology-enabled autonomous battery-less sensors. The wireless power supplier converts solar power to electromagnetic power in order to transfer power to multiple autonomous sensors wirelessly. The autonomous sensors have far-field energy harvesters which convert transmitted RF power to voltage regulated DC power to power-on the sensor system. The hybrid printing technology was chosen to build the autonomous sensors and the wireless power suppliers. Two popular hybrid electronics technologies (direct nano-particle printing and indirect copper thin film printing techniques) are discussed in detail.
Highlights
Self-sustainable autonomous sensor system has gained increasing popularity as the concept of the Internet-of-things (IoT) spreads in everyday life
As a proof of paper concept, this paper presents a farharvesting which generates energy fromenergy renewable energy andenergy delivers sufficient field energysystem harvesting system whichwireless generates wireless from renewable and delivers power to drive target sensor devices likedevices a microcontroller because thebecause proposed is scalable sufficient power to drive target sensor like a microcontroller thesystem proposed systemto is high or low power applications
A typical hybrid printed electronics shown in consists of circuit and/bonded surface integrated advanced
Summary
Self-sustainable autonomous sensor system has gained increasing popularity as the concept of the Internet-of-things (IoT) spreads in everyday life. It is possible to operate the deployed wireless sensor system without batteries once the energy harvesting technology is enabled. It results in almost semi-permanent operating time of the wireless sensor system without any other maintenance cost. It is challenging to implement fully printed high-performance ICs (integrated circuits) due to the relatively low electron mobility values and long channel length of printed transistor (relatively low printing resolution of 50 μm) [8]. Sensors 2019, 19, 728 fully printed high-performance ICs (integrated circuits) due to the relatively low electron mobility values and long channel length of printed transistor (relatively low printing resolution of 50 μm) [8].
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