一种用于水产养殖的WSN采集控制装置设计

为丰富具有高精度、低能耗、组网灵活以及成本低等优点的水产养殖WSN感知层关键设备,设计了一种用于水产养殖的采集溶解氧、pH值、温度控制溶解氧的一体化装置.该装置包括信号调理模块,三相电机控制模块等,采用加权滑动平均滤波和温度补偿方法提高测量精度,充分利用TinyOS操作系统实现能量管理和自组网.实验对装置温度补偿精度和装置整体功能进行了测试.实验测试表明装置能自组网传输数据,远程终端能实时获取测量信息和执行器状态以及远程控制执行器,该装置溶解氧、pH值测量精度和溶解氧控制能力满足水产养殖需要.

Design of a WSN Acquisition and Control Device for Aquiculture

In order to enrich the key devices of WSN perception layer with high precision,low energy consumption,flexible Hoc networking and low cost,an integrated device which has functions of acquiring dissolved oxygen,pH value and controlling dissolved oxygen according to temperature for aquiculture is designed.This device comprises signal conditioning module,three phase motor control module and so on,uses methods of weighted moving average filtering and temperature compensation to improve the measurement precision,and adequately uses TinyOS operation system to complete energy management and Ad Hoc networking.The temperature compensation precision and integral functions of the device are tested.The experiment shows that this device is an Ad Hoc network,which can timely acquire measurement information and performer situation,as well as control performer with telecontrol by the remote terminal.The abilities of oxygen dissolution,pH value measuring precision and dissolved oxygen controlling are qualified for aquiculture.