Multi-target charging strategy for smartphones based on laser wireless power transmission and machine vision technology

A novel method of multi-target charging is proposed in this paper, in the context of charging multiple indoor mobile phones simultaneously. Based on the laser wireless power transmission system, combined with machine vision technology, the traditional two-stage circuit is turned into a single-stage type, which realizes longer distance and more convenient charging. This article analyzes the working mode and circuit topology of the dc-dc converter in the multi-target charging mode, and analyzes the positioning and charging strategies for multi-targets based on machine vision. Under the strategy, the output voltage of the photovoltaic panel can be adjusted by modulating the pulsed light, so as to achieve the maximum power control for mobile phone charging. The simulation results are provided in this paper to validate the effectiveness of the proposed approach.