一種新的機動目標跟蹤的多模型算法
A New IMM Method for Tracking Maneuvering Target
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摘要: 設計了一種僅僅使用兩個模型實現(xiàn)對機動目標精確跟蹤的多模型算法,采用了含有法向和切向加速度的加速度均值自適應的當前統(tǒng)計模型和擴展后的常速模型進行交互。該算法不受目標轉(zhuǎn)彎率大小和變化的限制,對目標運動模式的未知參數(shù)變化的適應性較強。仿真結(jié)果表明,該算法對目標的跟蹤精度明顯優(yōu)于傳統(tǒng)的使用3個以上模型交互的IMM-CV/CT算法。由于本算法能夠估計出目標的法向和切向加速度,進行適當?shù)哪Ｐ图O計后,可以實現(xiàn)對復雜、快速機動目標的全過程跟蹤,具有可擴展性的應用前景。Abstract: A new IMM algorithm for tracking maneuvering target is proposed, which only uses two models that consist of a CS model and an augmented CV model for interaction. The CS model which uses the state variable with normal acceleration and tangent acceleration is fit for the accurate tracking of coordinated turn movement. This method is not subjected to the limit of the magnitude and change of turn rate, and has more flexibility to uncertain parameters. The simulation shows that this algorithm is superior to the conventional IMM-CV/CT algorithm which uses more than three models for interaction in terms of the accuracy of tracking and adaptation. Because this algorithm can estimate the normal and tangent acceleration, it may be used to implement the tracking for the complexly and highly maneuvering target after appropriate model-set design.
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Li X R. Multiple-model estimation with variable structure-Part Ⅱ: Model-set adaptation[J].IEEE Trans. on Automatic Contro.2000, 45(11):2047-[2]Li X R. Hybrid estimation techniques, Leondes C T. ed. Control and Dynamic System: Advances in Theory and Applications.New York: Academic, 1996, 76:213 - 287.[3]Li X R, Bar-Shalom Y. Design of an interacting multiple model algorithm for air traffic control tracking[J].IEEE Trans. on Contol Systems Technology.1993, 1(3):186-[4]Magill D. Optimal adaptive estimation of sampled stochastic processes[J].IEEE Trans. on Automatic Control.1965, 10(4):434-[5]Blom H A P, Bar-Shalom Y. The interacting multiple model algorithm for systems with Markovian switching coefficients[J].IEEE Trans. onAutomatic Control.1988, 33(8):780-[6]Li X R, Zhao Zhanlue, Zhang Peng, He Chen. Model-set design for multiple-model method. Ⅱ. Examples. in Proc. The Fifth International Conference on Information Fusion, Washington DC,USA, 2002, 2:1347 - 1354.[7]周宏仁,敬忠良,王培德.機動目標跟蹤.北京:國防工業(yè)出版社,1991,第8～10章.[8]Jilkov V P, Angelova D S, Semerdjiev T A. Design and comparison of mode-set adaptive IMM algorithms for maneuvering target tracking[J].IEEE Trans. on Aerospace and Electronic Systems.1999, 35(1):343- -
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