| GPS模拟器在无人机仿真中的设计与应用 |
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| 引用本文： | 刘少华,曾赟. GPS模拟器在无人机仿真中的设计与应用[J]. 计算机测量与控制, 2011, 19(10) |
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| 作者姓名： | 刘少华 曾赟 |
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| 作者单位： | 1. 西北工业大学第365研究所,陕西西安,710065
2. 精密测试技术研究所,江西九江,332000 |
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| 摘 要： | 为模拟无人机在真实大气环境下,存在风场干扰以及传感器存在误差条件下的导航控制,设计出一种GPS模拟器,简化了风模型和紊流模型,给出了GPS模拟器的设计思路以及在传感器偏差与常值风干扰下的设计原理;最后利用常值风干扰仿真,验证了风场估计算法的正确性;仿真表明,用矢量三角形估计法将常值风场与传感器误差模型估计出来后得到的风场数据修正航程推算,提高定位精度达到了较好的控制效果;该GPS模拟器可以为无人机仿真系统提供闭环控制条件,能够很好地模拟无人机在真实大气环境中的导航与制导控制,具有一定的实用价值。
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| 关 键 词： | 无人机仿真 GSP模拟器 风场估计 传感器偏差 |
Design and Application of GPS Simulator in the Simulation of UAV |
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| Liu Shaohua,Zeng Yun. Design and Application of GPS Simulator in the Simulation of UAV[J]. Computer Measurement & Control, 2011, 19(10) |
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| Authors: | Liu Shaohua Zeng Yun |
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| Affiliation: | Liu Shaohua1,Zeng Yun2(1.No.365 Institute,Northwestern Polytechnical University,Xi'an 710065,China,2.Precision Measuring Technology Research,Jiujiang 332000,China) |
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| Abstract: | To simulate the drones in the real atmospheric environment,there is wind interference and sensor exist error condition of navigation control,design a kind of GPS simulator,simplified the wind model and turbulence model,and gives out the design idea of GPS simulator and bias and constant wind in sensor design principle of disturbance.Finally,using the constant wind interference simulation proves the correctness of wind field estimation algorithm.The simulation shows that the vector triangle estimation will c... |
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| Keywords: | simulation of UAV GPS simulator wind field estimation sensor deviation |
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