【摘要】 传感器是提升我国精准农业产业化水平的关键技术之一.在整个精准农业生产周期中,称重传感器在其中每个环节都有潜在的应用领域,文中从精准农业实施的4个不同阶段:土地准备、精准播种、作物管理、精准收获,对称重传感器在精准农业装备中应用和研究现状进行了总结.在此基础上,进一步分析了当前称重传感器在精准农业实际应用中亟待解决的3个主要关键问题:可靠性、稳定性和动态测量精度.最后,对解决这些问题背后所涉及的关键共性技术,包括敏感机理、制造工艺和计测技术等作了进一步阐述.更多还原

【Abstract】 Sensor technology is one of the most important technologies to implement precision agriculture industrialization in China. Load cell is one of sensors which have wide application in precision agriculture field. Based on the four stages of precision agriculture of soil preparation,precision seeding,precision crop management and yield monitor/mapping,the applications and research progresses of load cells were summarized. The application of load cells in precision agriculture was analyzed,and three critical problems of reliability,stability and dynamic weighing precision were proposed to be solved. The common and key technologies of sensitive mechanism,manufacturing technology and measurement technology were also discussed.更多还原