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Dynamic Coverage Control in a Time-Varying Environment Using Bayesian Prediction
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DOI：10.1109/TCYB.2017.2777959.png)
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摘要
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This paper investigates the dynamic coverage control problem for a group of agents with unknown density function. A cost function, depending on a certain metric and the density function, is defined to describe the performance of coverage network. Since the optimal deployment of agents is closely depending on the density function, we employ the Bayesian prediction approaches to estimate the density function. Moreover, a novel coverage-control-customized algorithm is proposed to acquire the Bayesian parameters. The merits of this Bayesian-based spatial estimation algorithm are the consideration of measurement noise and the capability of dealing time-varying density function. However, the estimated density function from Bayesian framework follows normal distribution, which leads the cost function to a stochastic process. To deal with this type of cost function, a discrete control scheme is proposed to steer the agents approaching to a near-optimal deployment. The mean-square stability of the proposed coverage system is further analyzed. Finally, numerical simulations are provided to verify the effectiveness of the proposed approaches.
Keyword:
Bayesian prediction
coverage control
Gaussian Markov random fields (GMRFs)
mean-square stability
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期刊
IF:
10.5
论文数:
1.1W
被引数:
5.0W
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