Abstract
Distributed SAR satellite formation has been widely studied and applied because of its unique advantages, and beam synchronization is the prerequisite for achieving its function. An inverse optimal control method is proposed for the ideal nominal system in this paper, which is based on two beam synchronization strategies of Doppler guidance and beam pointing synchronization. And on this basis, considering the influence of satellite communication delay, external disturbance and system model uncertainty, an integral sliding mode robust control method based on inverse optimal control is designed. The simulation results show that the control method has high control accuracy and good robustness.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (91438202, 61473096, 61690212, 61333003), the Natural Science Foundation of Heilongjiang Province of China (Grant No. QC2012C082), the Open Fund of National Defense Key Discipline Laboratory of Micro-Spacecraft Technology (No. HIT.KLOF.MST.201701).
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Li, K., Cao, X., Liu, M., Wu, S. (2019). Robust Control of Distributed SAR Beam Synchronization Based on Inverse Optimal Method. In: Yu, Q. (eds) Space Information Networks. SINC 2018. Communications in Computer and Information Science, vol 972. Springer, Singapore. https://doi.org/10.1007/978-981-13-5937-8_20
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DOI: https://doi.org/10.1007/978-981-13-5937-8_20
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