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Spatiotemporal Input Control: Leveraging Temporal Variation in Network Dynamics
Yihan Lin, Jiawei Sun, Guoqi Li, Gaoxi Xiao, Changyun Wen, Lei Deng, H. Eugene Stanley
Source PublicationIEEE/CAA Journal of Automatica Sinica
ISSN2329-9266
2022
Volume9Issue:4Pages:635-651
AbstractThe number of available control sources is a limiting factor to many network control tasks. A lack of input sources can result in compromised controllability and/or sub-optimal network performance, as noted in engineering applications such as the smart grids. The mechanism can be explained by a linear time-invariant model, where structural controllability sets a lower bound on the number of required sources. Inspired by the ubiquity of time-varying topologies in the real world, we propose the strategy of spatiotemporal input control to overcome the source-related limit by exploiting temporal variation of the network topology. We theoretically prove that under this regime, the required number of sources can always be reduced to 2. It is further shown that the cost of control depends on two hyperparameters, the numbers of sources and intervals, in a trade-off fashion. As a demonstration, we achieve controllability over a complex network resembling the nervous system of Caenorhabditis elegans using as few as 6% of the sources predicted by a static control model. This example underlines the potential of utilizing topological variation in complex network control problems.
KeywordComplex network,complex system control theory,complex system optimization,temporal network,time-varying system
DOI10.1109/JAS.2022.105455
WOS IDWOS:000766623800008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/47223
Collection学术期刊_IEEE/CAA Journal of Automatica Sinica
Recommended Citation
GB/T 7714
Yihan Lin, Jiawei Sun, Guoqi Li, Gaoxi Xiao, Changyun Wen, Lei Deng, H. Eugene Stanley. Spatiotemporal Input Control: Leveraging Temporal Variation in Network Dynamics[J]. IEEE/CAA Journal of Automatica Sinica,2022,9(4):635-651.
APA Yihan Lin, Jiawei Sun, Guoqi Li, Gaoxi Xiao, Changyun Wen, Lei Deng, H. Eugene Stanley.(2022).Spatiotemporal Input Control: Leveraging Temporal Variation in Network Dynamics.IEEE/CAA Journal of Automatica Sinica,9(4),635-651.
MLA Yihan Lin, Jiawei Sun, Guoqi Li, Gaoxi Xiao, Changyun Wen, Lei Deng, H. Eugene Stanley."Spatiotemporal Input Control: Leveraging Temporal Variation in Network Dynamics".IEEE/CAA Journal of Automatica Sinica 9.4(2022):635-651.
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