Push-broom Imaging Scheduling Method of the Optical Agile Satellite in the Dense Regions

doi:10.3780/j.issn.1000-758X.2014.02.008

Chinese Space Science and Technology ›› 2014, Vol. 34 ›› Issue (2): 62-68.doi: 10.3780/j.issn.1000-758X.2014.02.008

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Push-broom Imaging Scheduling Method of the Optical Agile Satellite in the Dense Regions

LIN Xiao-Hui¹, PAN Xiao-Tong^1,2, ZHANG Jin-Xiu¹

(1HarbinInstituteofTechnology,Harbin150001）(2ShanghaiEngineeringCenterofMicrosatellites,Shanghai201203)

Received:2013-07-04 Revised:2013-09-30 Published:2014-04-25 Online:2014-04-25

Abstract

Abstract: The agile satellite could achieve the linescan imaging model with the ability of three-axis-maneuvering, while imaging synchronously during the maneuvering. Based on the imaging agile satellite task, the model of the problem of scheduling agile earth observing satellite（AEOS）with the linescan imaging was established. Using the Gauss projection, the preliminary method of the linescan strip was established, and solved by the existing algorithms in the Matlab. Because of the complexity of the model, the solution strategy of the hierarchical optimization was designed. During the sub-problem, generating the linescan stripe with groups, the solution method can be solved easily.In the upper scheduling problem, according to the two directions of the stripe, the hierarchical optimization based on heuristic rule was designed to solve the problem. Then, turning the stripes that could not be scheduled into the point target, the whole scheduling was completed with the second time scheduling. The simulation shows that the algorithm can solve the actualproblem of the scheduling of the linescan imaging agile satellite.

Key words: Agile satellite, Scheduling, Linescan stripe, Heuristic rule

LIN Xiao-Hui, PAN Xiao-Tong, ZHANG Jin-Xiu. Push-broom Imaging Scheduling Method of the Optical Agile Satellite in the Dense Regions[J]. Chinese Space Science and Technology, 2014, 34(2): 62-68.

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Push-broom Imaging Scheduling Method of the Optical Agile Satellite in the Dense Regions

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