Two-step filtering method for reducing dynamical system errors during Mars dynamical descent
A technology of power descent and system error, applied in the field of aerospace navigation, can solve problems such as not suitable for Mars power descent, difficult Mars gravity acceleration, gravity acceleration error, etc.
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[0066] The present invention relates to a two-step filtering method for reducing the error of the dynamic system in the Mars power descent section. During the Mars power descent process of the spacecraft, the Mars landing dynamic system relying on the IMU is as follows:
[0067] x · = f ( x ) = v T m l ( a ~ - b a - ξ a ) ...
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