有风情况下气体源的加权质心定位算法研究

Weighted centroid localization algorithm based on gas leakage source with wind

近年来在实现气体泄漏源的快速定位研究中,加权质心定位算法占居了重要的意义。之前研究的气体源加权质心定位算法,只适合在无风环境下使用,没有考虑有风时的气体扩散影响。所以文中根据有风时的气体扩散模型,利用风速对气体浓度的影响将风速加入权值因子中,改进后的加权质心定位算法可以适用于不同风速和风向下气体泄漏源定位。最后通过MATLAB仿真实验,与改进前的算法结果比较,证明了本算法在有风条件下定位结果的有效性。

In recent years,in the research of rapid location of gas leakage sources,the weighted centroid localization algorithm plays a very important significance.The weighted centroid localization algorithm previously studied is only suitable for without wind,and do not consider the effect of gas diffusion when there is wind.Therefore,based on the air diffusion model in the wind,the wind speed is added to the weight factor by the influence of wind speed on the gas concentration.The improved weighted centroid positioning algorithm can be applied to the location of the gas leakage source under different wind speed and wind direction.Finally,through MATLAB simulation experiment,compared with the results of the improved algorithm,it proves the effectiveness of the algorithm in the windy condition.