Abstract
According to the motion model between anti-ship missile and target ship, the solving process of optimal guidance system is simplified by introducing pseudo control signal. In order to realize the requirements of hit accuracy and expected impact angle, two new state variables are defined, which are related to miss distance and attack angle. Based the time-to-go estimation, an optimal guidance system is proposed, which can realize the expected impact angle. The optimal guidance system has adjustable weighting factor, which can adjust the control cost of anti-ship missile during the guidance process. Five time-to-go estimation methods are compared and simulated to test the omni-directional attack capability of anti-ship missile. The simulation results are shown on miss distance error diagram, and the method of time-to-go estimation with the least miss distance is selected. The larger the weighting factor, the less control energy is consumed, and the miss distance will be greater. The simulation results show that the designed optimal guidance system can simultaneously meet the guidance requirements of miss distance and can control the impact angle.
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Zuo E, F., **, F.L., **, S.D. (2023). Optimal Guidance with Impact Angle Control Based Time-To-Go Estimation. In: Yan, L., Duan, H., Deng, Y. (eds) Advances in Guidance, Navigation and Control. ICGNC 2022. Lecture Notes in Electrical Engineering, vol 845. Springer, Singapore. https://doi.org/10.1007/978-981-19-6613-2_12
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DOI: https://doi.org/10.1007/978-981-19-6613-2_12
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