Abstract
This paper is concerned with the weighted observation fusion Kalman filtering problem for a class of multi-sensor fusion systems with random measurement delays and energy constraints. To reduce the energy consumptions, each sensor intermittently sends information to the fusion center in a random way. By using the full rank decomposition approach, the observation fusion equation is derived. Without resorting to the augmentation technique, optimal weighted observation fusion Kalman filter (WOFKF) is given, and it is proved that the performance of the WOFKF is equivalent to that of the centralized fusion Kalman filter. Simulations show the effectiveness of the proposed fusion methods.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (61304256), Zhejiang Provincial Natural Science Foundation of China (LQ13F030013), and Ningbo Natural Science Foundation (2012A610016). The authors also gratefully acknowledge the helpful comments and suggestions of the reviewers and the associate editor as well as that of the Editor-in-Chief, which have improved the presentation.
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Chen, J., Chen, B. & Hong, Z. Energy-Efficient Weighted Observation Fusion Kalman Filtering with Randomly Delayed Measurements. Circuits Syst Signal Process 33, 3299–3316 (2014). https://doi.org/10.1007/s00034-014-9790-9
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DOI: https://doi.org/10.1007/s00034-014-9790-9