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基于快速MH變異的遺傳粒子濾波的WSN目標跟蹤
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沈陽(yáng)工學(xué)院

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基金項目:遼寧省自然科學(xué)基金重點(diǎn)領(lǐng)域聯(lián)合開(kāi)放基金(2020-KF-11-09),沈撫示范區本級科技計劃項目(2020JH13),遼寧省自然科學(xué)基金(20180550418),遼寧“百千萬(wàn)人才工程”培養經(jīng)費資助


WSN Target Tracking Based on Fast MH Mutation and Genetic Particle Filter
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    摘要:

    摘要:基于快速MH(Metropolis-Hastings)變異的遺傳粒子濾波跟蹤算法,提出在遺傳粒子濾波算法上,加入遺傳進(jìn)化思想,利用快速移動(dòng)粒子交叉次數和變異算子,同時(shí)與賭輪選擇一起產(chǎn)生了一種新的遺傳算法,更快地提取到反映目標概率特征的典型粒子。實(shí)驗證明,基于快速MH變異的遺傳重采樣方法可以避免粒子退化,快速提高粒子的多樣性,減小跟蹤誤差,減少算法的運行時(shí)間,實(shí)時(shí)跟蹤性能得到了大大提高。全面比較后,MHGAPF算法計算時(shí)間最短。跟蹤精度用均方根誤差表示,與GAPF算法和PF算法相比較,MHGAPF算法位置和算法速度的中均方根誤差最低(位置為0.0313,0.0270,速度0.02021,0.0102),其中PF算法的跟蹤精度最低,MHGAPF跟蹤精度最高,進(jìn)一步表明MHGAPF算法具有良好的跟蹤性能。

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    Abstract: Based on the genetic particle filter tracking algorithm of fast MH mutation, it is proposed to add the genetic evolution idea to the genetic particle filter algorithm, using the number of fast-moving particle crossovers and mutation operators, and at the same time produce a new genetic algorithm together with the wheel selection. Extract the typical particles that reflect the target probability feature faster. Experiments show that the genetic resampling method based on rapid MH mutation can avoid particle degradation, quickly increase the diversity of particles, reduce tracking errors, reduce the running time of the algorithm, and greatly improve the real-time tracking performance. After comprehensive comparison, MHGAPF algorithm has the shortest computing time. The tracking accuracy is expressed by root mean square error. Compared with GAPF algorithm and PF algorithm, MHGAPF algorithm has the lowest root mean square error in position and speed (position is 0.0313, 0.0270, speed is 0.02021, 0.0102). Among them, PF algorithm has the lowest tracking accuracy and MHGAPF algorithm has the highest tracking accuracy, which further shows that MHGAPF algorithm has good tracking performance.

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魏穎,郭魯.基于快速MH變異的遺傳粒子濾波的WSN目標跟蹤計算機測量與控制[J].,2021,29(8):260-264.

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歷史
  • 收稿日期:2021-01-08
  • 最后修改日期:2021-01-28
  • 錄用日期:2021-01-29
  • 在線(xiàn)發(fā)布日期: 2021-08-19
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