Self-adaptation powered explicit guidance method
An adaptive and dynamic technology, applied in the fields of navigation and control, and spacecraft guidance, can solve the problems that cannot be realized without considering the uncertainty of mass, thrust and specific impulse, so as to avoid the guidance calculation time being too long and reduce the calculation time. Quantify and simplify the effect of on-orbit estimation algorithm
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[0033] Such as figure 1 Shown, the present invention is concretely realized as follows:
[0034] The first step is to initialize the dynamic explicit guidance
[0035] Using position and velocity and main engine specific impulse I sp , Thrust F and other parameters, determine the initial value of the guidance target position and speed, and calculate the initial value of other parameters for starting dynamic explicit guidance.
[0036] (1) Based on preliminary velocity increments Current detector mass m, constant thrust F and engine specific impulse I sp , estimated guidance time
[0037] t go = τ ( 1 - e - | v ‾ go | / I sp ...
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