Gas source positioning technology in wireless sensor network without wind speed and wind direction measuring
A technology of wireless sensor and positioning technology, which is applied in the direction of liquid tightness measurement, measuring device, instrument, etc. by using liquid/vacuum degree, which can solve the problems of low accuracy of positioning algorithm and difficulty in obtaining results, etc., and achieve good anti-noise performance , the effect of improving robustness and accuracy
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[0024] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0025] The invention adopts a wireless sensor network air source positioning technology with windless wind direction measurement, which considers the influence of wind speed and wind direction uncertainty on air source positioning, and conducts online estimation of wind speed and wind direction without adding detection means. Improve the robustness and accuracy of gas source location. It avoids the local convergence caused by the defect that the traditional positioning algorithm is sensitive to the initial point, and has better anti-noise performance than the traditional positioning algorithm.
[0026] figure 1 It is a structural diagram of the gas source positioning method of the present invention. As shown in the figure, the positioning algorithm is divided into four steps. Step 1: Arrange a certain number of concentration sensors in t...
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