| 高精度小型无人机空速测量系统设计 |
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| 引用本文： | 王晅,李小民.高精度小型无人机空速测量系统设计[J].传感器与微系统,2011,30(11):96-97,101. |
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| 作者姓名： | 王晅 李小民 |
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| 作者单位： | 军械工程学院光学与电子工程系,河北石家庄,050003 |
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| 摘 要： | 空速是无人机重要测量参数之一,介绍了无人机空速测量原理,论述了系统硬件组成和软件设计。针对指示空速和动压之间的非线性函数关系,提出非均匀线性插值算法进行拟合,在解决单片机计算能力不足的基础上保证了解算精度。实验表明:该系统相对误差小于0.15%,具有精度高、体积小、稳定性和抗干扰性强等特点,满足空速测量系统设计要求。
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| 关 键 词： | 无人机 空速测量 动压 插值拟合 |
Design of airspeed measuring system of high precision small unmanned aerial vehicle |
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| WANG Xuan,LI Xiao-min.Design of airspeed measuring system of high precision small unmanned aerial vehicle[J].Transducer and Microsystem Technology,2011,30(11):96-97,101. |
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| Authors: | WANG Xuan LI Xiao-min |
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| Affiliation: | WANG Xuan,LI Xiao-min(Department of Optics and Electronics Engineering,Ordnance Engineering College,Shijiazhuang 050003,China) |
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| Abstract: | Airspeed is one of the important measuring parameters of UAV.The principle of the UAV airspeed measuring is introduced.The hardware and software of measuring system are elaborated.Aiming at the nonlinear function relation of indicated airspeed and dynamic pressure,inhomogeneous linear interpolation algorithm fitting is presented.On the basis of solving micro-controller unit computing power shortage of foundation ensures calculating precision.The result shows that the system relative error is less than 0.15 ... |
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| Keywords: | unmanned aerial vehicle(UAV) airspeed measuring dynamic pressure interpolation fitting |
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