Mars capture process autonomous management method

A technology for Mars capture and autonomous management, applied in attitude control, three-dimensional position/channel control and other directions, it can solve the problems of limited onboard resources, large delay in ground measurement and control, and difficulty in meeting the requirements of navigation accuracy and real-time performance. The effect of self-management

Active Publication Date: 2013-11-27
SHANGHAI SATELLITE ENG INST
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AI Technical Summary

Problems solved by technology

In the capture stage, the ground measurement and control time delay is long, the control accuracy is high, and the opportunity is unique. It is difficult for the ground measurement and control to meet the navigation accuracy and real-time requirements of the detector in the target capture stage, and

Method used

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0014] like figure 1 As shown, the capture segment of the Mars rover is defined as the flight process from when the rover enters the Mars influence sphere to when the ignition brake ends. Before braking and capturing, the probe flies along a hyperbolic orbit centered on Mars. The dotted line is the trajectory of capturing and braking track maneuvers. After braking and capturing, the probe enters an elliptical orbit around Mars. figure 1 Middle-V shows the speed increment direction during braking and ignition.

[0015] like figure 2 As shown, the autonomous management task sequence of the Mars rover braking capture process includes: Mars rover management sequence before Mars capture, Mars rover Mars capture process management sequence, Mars rover Mars capture management sequence, three management sequences are used for The management requirements of the at...

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Abstract

The invention discloses a Mars capture process autonomous management method which comprises a Mars detector rover Mars capture former management series, a Mars detector Mars capture process management series and a Mars detector Mars capture later management series which are used for managing an attitude control subsystem, a power supply subsystem, an integrated electronic subsystem and a measurement and control data transmission subsystem. Through the rational planning of detector management events before capture, in the capture and after the capture, through the multidisciplinary design optimization of energy, communication, attitude, lighting and the like, a completed capture process autonomous management series is established, and the autonomous management of the detector capture process is realized.

Description

technical field [0001] The invention relates to a self-management method of a spacecraft, in particular to a self-management method in the Mars capture process of a Mars probe. Background technique [0002] The capture stage is the most critical link in the entire ground fire transfer flight process, and the capture process determines the success or failure of the Mars exploration mission. The capture segment is defined as the flight process of the probe from entering the Mars influence sphere to the end of ignition braking. After 1990, in the Mars exploration missions that completed the escape from the earth, there were 5 failures, and the capture segment accounted for 4 times. The ground TT&C in the capture stage has a long time delay, high control accuracy and unique opportunities. It is difficult for the ground TT&C to meet the navigation accuracy and real-time requirements of the detector in the target capture stage, and the demand for autonomous control is the most ur...

Claims

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Application Information

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IPC IPC(8): G05D1/08G05D1/10
Inventor 方宝东马彦涵施伟璜陈晓
Owner SHANGHAI SATELLITE ENG INST
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