Citation: | ZHOU Liang, ZHANG Hongbo. An analytical predictor-corrector guidance method designed for spacecraft reentry with short range[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(2): 398-405. doi: 10.13700/j.bh.1001-5965.2020.0318(in Chinese) |
For the manned lunar return spacecraft reentry problem, an analytical predictor-corrector guidance method for short range reentry is proposed. Firstly, the concept of glide reentryis introduced, which has been studied in the trajectory design of high lift-to-drag ratio vehicle.In order to pre-design the reentry trajectory, a trajectory parameter is chosen to describe the analytic trajectory form, and then the analytical formula to predict the range-to-go is derived. The false position method is used to modify the trajectory parameter and finally converts to the command bank angle, eventually satisfying the terminal precision requirements. The proposed analytical method succeeds in achieving spacecraft reentry with a mission range of 2 100km in 400-450 seconds. During the entire reentry phase, the loads are under a level of 6.5
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