Weihong Liu

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About

Weihong Liu is a leading researcher in agricultural robotics and precision plant protection, with a focus on intelligent sensing and automation for sustainable farming. Their work centers on developing advanced technologies for orchard management, particularly in automatic navigation and precision variable-rate spraying. Liu’s most notable contribution is the design of a precision variable-rate spraying robot that utilizes a single 3D LIDAR sensor to enable both autonomous navigation and targeted pesticide application in orchards. This highly cited paper (75 citations) demonstrates a significant advance in reducing pesticide use while ensuring application safety. More recently, Liu has pioneered an innovative method for estimating fruit-tree canopy leaf density using wind-excited audio signals, a novel approach that overcomes the limitations of conventional detection techniques by capturing internal canopy information. This work, published in 2024, opens new possibilities for real-time spray control in plant-protection robots. Liu’s research directly addresses critical environmental and efficiency challenges in modern agriculture, making their work essential reading for students and researchers in precision agriculture, robotics, and environmental engineering.