Energy management for solar-powered IoT devices with performance adjustment

Abstract

In this paper, we propose a power management framework for solar-powered Internet of Things (IoT) devices to maximize the lifetime of the system by adaptively changing performance of the system. Our framework balances the energy consumption and the performance of the IoT system by monitoring energy accumulation and battery, and ensures the minimum level of service. The framework has been implemented in real hardware and software. Experiments with the implemented system shows that our framework can help increase the lifetime of the solar powered IoT system. The framework prevented the IoT device from power down due to the full discharge of the battery at night time, by changing the execution rate based on energy accumulation and battery status. The proposed framework has been implemented using open hardware compatible with Arduino, so it can be used for a wide range of IoT applications and services.

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“…The value and intensity of these variables help maintain the solar panel, such as the direction of placement, tilt angle, etc. The collection of dust on the solar panel can also be detected using an LDR, camera, and any IoT-based processing board with a suitable inbuilt algorithm and calibration (Babu et al, 2018;Lee and Park, 2019). This approach can help optimize the energy efficiency of solar panels for effective storage of battery charges in the system.…”