Improved predictive guidance method for RLV reentry heat flux tracking
A technology of predictive guidance and predictive correction guidance, which is applied in the field of flight guidance and can solve problems such as complex tasks
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[0066] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with specific embodiments.
[0067] An embodiment of the present invention provides an improved predictive guidance method for RLV reentry heat flow rate tracking, such as figure 1 As shown, the reusable carrier with a medium lift-to-drag ratio in this embodiment is Horus-2B. The maximum heat flow rate of this aircraft is usually 450 kilowatts per square meter, and the maximum overload is about 4g. The initial state of its reentry section And the end state is shown in Table 1.
[0068]
[0069] Table 1
[0070] In the table, the unit of aircraft altitude is km, the unit of speed is m / s, and the unit of other angles is degree. These six state quantities represent the flight altitude, the latitude and longitude of the sub-satellite point, the speed of the aircraft, the inclina...
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