传感器与微系统
傳感器與微繫統
전감기여미계통
TRANSDUCER AND MICROSYSTEM TECHNOLOGY
2014年
8期
65-68
,共4页
加速度计%采集%Zig Bee%无线控制%自组网
加速度計%採集%Zig Bee%無線控製%自組網
가속도계%채집%Zig Bee%무선공제%자조망
accelerometer%acquisition%Zig Bee%wireless control%Ad Hoc networks
针对在石英挠性加速度计性能检验与监测、退化机理等研究中,对加速度计输出信号快速准确采集的需求,设计一种高精度自主测试系统。提出了基于Zig Bee无线自组网的网络化测控方案,设计了适用于测控环境相对分散的分簇拓扑网络结构,以CC2530为核心设计了加速度计无线采集节点与智能无线控制终端,基于AD7734设计了加速度计高精度A/D转换电路。基于Z-Stack协议栈实现无线网络节点组网控制、数据传输程序设计,基于C#实现上位机终端控制台设计,针对大规模节点数据设计了一种高速数据帧结构,并采用了握手传输机制。经实际应用证明:系统采样误差低至0.049 mV,可同时对40只加速度计进行长时间自主数据采集,并完成简单数据分析。系统可用于加速度计性能分析与建模研究中。
針對在石英撓性加速度計性能檢驗與鑑測、退化機理等研究中,對加速度計輸齣信號快速準確採集的需求,設計一種高精度自主測試繫統。提齣瞭基于Zig Bee無線自組網的網絡化測控方案,設計瞭適用于測控環境相對分散的分簇拓撲網絡結構,以CC2530為覈心設計瞭加速度計無線採集節點與智能無線控製終耑,基于AD7734設計瞭加速度計高精度A/D轉換電路。基于Z-Stack協議棧實現無線網絡節點組網控製、數據傳輸程序設計,基于C#實現上位機終耑控製檯設計,針對大規模節點數據設計瞭一種高速數據幀結構,併採用瞭握手傳輸機製。經實際應用證明:繫統採樣誤差低至0.049 mV,可同時對40隻加速度計進行長時間自主數據採集,併完成簡單數據分析。繫統可用于加速度計性能分析與建模研究中。
침대재석영뇨성가속도계성능검험여감측、퇴화궤리등연구중,대가속도계수출신호쾌속준학채집적수구,설계일충고정도자주측시계통。제출료기우Zig Bee무선자조망적망락화측공방안,설계료괄용우측공배경상대분산적분족탁복망락결구,이CC2530위핵심설계료가속도계무선채집절점여지능무선공제종단,기우AD7734설계료가속도계고정도A/D전환전로。기우Z-Stack협의잔실현무선망락절점조망공제、수거전수정서설계,기우C#실현상위궤종단공제태설계,침대대규모절점수거설계료일충고속수거정결구,병채용료악수전수궤제。경실제응용증명:계통채양오차저지0.049 mV,가동시대40지가속도계진행장시간자주수거채집,병완성간단수거분석。계통가용우가속도계성능분석여건모연구중。
To acquire quartz flexible accelerometer output signal quickly and accurately,a high precision autonomously test system is designed. Networked measurement and control solutions based on Zig Bee wireless Ad Hoc networks is proposed. Clustering topology network architecture is designed which is suitable for measurement and control environement of relative dispersed clustering topology network structure,and accelerometer wireless acquisition node and intelligent wireless control terminal are designed based on CC 2530,high precision A/D converter circuit is designed based on AD7734. Based on Z-Stack protocol zack realize designed of wireless network nodes networking control and data transfer program,and upper PC terminal console is designed based on C#,a high-speed data frame structure is designed,aiming at large scale node datas,and handshake transmission mechanism is used. Through practical application shows that,sampling error of the system as low as 0. 049 mV,and can simultaneously and autonomously aquire datas by 40 accelerometers,achieve analysis on simple data. The system can be used for accelerometer performance analysis and modeling study.