Hypersonic gliding aircraft linear pseudo-spectrum reentry guidance method and system
A hypersonic, linear pseudo-spectrum technology, applied in control/regulation systems, vehicle position/route/height control, instruments, etc., can solve problems such as low efficiency and poor adaptability, and achieve high numerical accuracy, fast calculation speed, and strong Effects of Adaptability and Robustness
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Embodiment 1
[0027]figure 1 It is a flow chart of a linear pseudo-spectrum reentry guidance method for a hypersonic glide vehicle according to an embodiment of the present invention. In the embodiment of the present invention, the guidance includes guidance in the descent section and guidance in the gliding section. Among them, such as figure 1 As shown, the glide segment guidance provided by the embodiment of the present invention specifically includes the following steps:
[0028] Step S102, decoupling the longitudinal plane motion and the transverse plane motion of the target aircraft, and establishing the longitudinal plane dynamics model of the target aircraft; the target aircraft is a hypersonic gliding aircraft; the longitudinal plane dynamics model is a dynamics that does not consider the influence of the earth's rotation Model.
[0029] Step S104, converting the state quantities and terminal constraints of the longitudinal planar dynamics model into state quantities and terminal...
Embodiment 2
[0220] Figure 7 It is a schematic diagram of a linear pseudo-spectrum reentry guidance system for a hypersonic glide vehicle according to an embodiment of the present invention. Such as Figure 7 As shown, the system includes: a decoupling module 10 , a conversion module 20 , an establishment module 30 , a solution module 40 , a determination module 50 and a guidance module 60 .
[0221] Specifically, the decoupling module 10 is used to decouple the longitudinal plane motion and the transverse plane motion of the target aircraft, and establish the longitudinal plane dynamics model of the target aircraft; the target aircraft is a hypersonic gliding aircraft; the longitudinal plane dynamics model is not A dynamical model considering the effects of the Earth's rotation.
[0222] The conversion module 20 is used to convert the state quantities and terminal constraints of the longitudinal plane dynamics model into the state quantities and terminal constraints of the differential...
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