A preset performance control method without initial error sign for orbital intersection of translation point
A technology of initial error and orbit rendezvous, which is applied to space navigation equipment, motor vehicles, space navigation equipment, etc., and can solve problems such as the inability to provide speed measurement information.
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[0078] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0079] Based on a high-order integral chain observer and preset performance control, the present invention proposes an autonomous rendezvous control method of a translation point track that only requires relative position measurement information, and verifies the effectiveness of the proposed method by examples. The implementation of this invention mainly comprises following four steps:
[0080] Step 1: Establish a nonlinear translation point-orbit relative dynamics model
[0081] The circular restricted three-body problem describes two main celestial bodies P 1 ,P 2 Make a circular motion around their common center of mass, and analyze the third spacecraft P with negligible mass 3 Motion problems in this system. with P 1 ,P 2 The center of mass O is the origin, and the two main celestial bodies P 1 ,P 2 The connecting line of is the x-axis, the positive ...
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