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  • 标题:SIGNAL CONDITIONING SYSTEM TO ENABLE USING A LVDT IN PRECISION AGRICULTURE
  • 本地全文:下载
  • 作者:Evandro André Konopatzki ; Yuri Ferruzzi ; Alberto Noboru Miyadaira
  • 期刊名称:Iberoamerican Journal of Applied Computing
  • 印刷版ISSN:2237-4523
  • 出版年度:2013
  • 卷号:3
  • 期号:1
  • 语种:English
  • 出版社:Universidade Estadual de Ponta Grossa
  • 摘要:The need of recording data and collect measurements taken by sensors is common to many applications and aims to facilitate the registration and monitoring of the development of events in various areas such as health, industry, meteorology, precision agriculture and others. However the electrical signals provided by sensors are not always directly capable of being manipulated which implies the need for adequacy of these signals so that they can be used in monitoring systems (data logger). In precision agriculture or phytomonitoring one of the sensors used for studies is designated as LVDT (Linear Variable Differential Transformer), which due to its characteristics require a signal processing system to facilitate its use. Thus this study aimed to demonstrate the development of an adequacy system of electrical signal to be used connected to a LVDT and to a data logger and thus provide the monitoring of crop development. The results showed that the system deals properly the signals representing the characteristics of the linear sensor reliably and conditioning the voltage level of the signal in order to connect it to the data logger adequately showing low level of residual noise.
  • 关键词:Signal conditioning, LVDT, Phytomonitoring
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