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動(dòng)態(tài)貝葉斯網(wǎng)絡(luò )下多無(wú)人機目標協(xié)同搜索控制研究
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1.廣州應用科技學(xué)院;2.廣西工業(yè)職業(yè)技術(shù)學(xué)院

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基于多特征模糊邏輯的物體圖像識別的方法研究2022KY1295


Research on Multi UAV Target Collaborative Search under Dynamic Bayesian Network
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    摘要:

    在復雜環(huán)境連續域內因特征稀疏容易丟失無(wú)人機目標定位,出現多無(wú)人機目標協(xié)同搜索路徑重合現象,導致沖突風(fēng)險系數增加,為此對基于動(dòng)態(tài)貝葉斯網(wǎng)絡(luò )的多無(wú)人機目標協(xié)同搜索控制方法進(jìn)行了研究。在無(wú)人機上安裝高分辨率圖像傳感器設備獲取目標圖像,通過(guò)Lucy-Richardson算法對于目標圖像進(jìn)行運動(dòng)模糊補償后,利用動(dòng)態(tài)貝葉斯網(wǎng)絡(luò )提取目標形狀、移動(dòng)特征,采用特征匹配方法進(jìn)行多無(wú)人機目標定位。根據目標位置與環(huán)境的圖像信息構建柵格地圖,在柵格地圖中通過(guò)計算搜索優(yōu)先級分配搜索目標,將分配目標作為搜索路線(xiàn)中的關(guān)鍵路徑點(diǎn),從而進(jìn)行多無(wú)人機目標協(xié)同搜索控制路徑規劃,通過(guò)控制器不斷調整飛行軌跡以實(shí)現對多無(wú)人機目標協(xié)同搜索控制。實(shí)驗測試結果表明,設計方法的目標漏搜率比較低,碰撞沖突風(fēng)險系數低,多無(wú)人機目標協(xié)同搜索控制成功率較高,由此證明該方法在多無(wú)人機目標協(xié)同搜索控制方面具有明顯優(yōu)勢。

    Abstract:

    In complex environments with sparse features in continuous domains, it is easy to lose drone target localization, resulting in the phenomenon of multiple drone target collaborative search paths overlapping, leading to an increase in conflict risk coefficient. Therefore, a multi drone target collaborative search control method based on dynamic Bayesian networks has been studied. Install high-resolution image sensor devices on drones to obtain target images, perform motion blur compensation on the target images using the Lucy Richardson algorithm, extract target shape and movement features using dynamic Bayesian networks, and use feature matching methods for multi drone target localization. Construct a grid map based on the image information of the target location and environment, allocate search targets in the grid map by calculating search priority, and use the allocated targets as key path points in the search route to carry out multi drone target collaborative search control path planning. The controller continuously adjusts the flight trajectory to achieve collaborative search control of multiple drone targets. The experimental test results show that the target omission rate of the design method is relatively low, the collision conflict risk coefficient is low, and the success rate of multi drone target collaborative search control is high. This proves that the method has significant advantages in multi drone target collaborative search control.

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  • 收稿日期:2024-10-30
  • 最后修改日期:2024-12-16
  • 錄用日期:2024-12-16
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