Heterogeneous constellations are composed of satellites with different structures or satellites carrying payloads with different functions. Different appearances of satellites and changes in attitude lead to different area-to-mass ratios (AMRs), which is an adverse factor in the orbit control of low Earth orbit (LEO). Traditional deployment methods primarily apply to homogeneous constellations, and the overall fuel optimization of the constellation and the trajectory drift difference among heterogeneous satellites are not considered. In the present study, the deployment of microsatellites with different AMRs was explored, so as to deploy the satellites to the target semimajor axis and relative phase in the same plane. Such deployment applies to both heterogeneous and homogeneous constellations in which satellites change the attitude or appearance thereof dynamically and differentially in LEO. By introducing the influence of atmospheric drag and orbit maneuvers into the traditional method, an argument of latitude (AoL) and semimajor axis coordinated control strategy was established. A satellite AoL adjustment amount optimization algorithm based on the Kuhn-Munkres and simulated annealing algorithms was proposed, which enables satellites to complete the target configuration with the fuel close to the expected value. Compared with the traditional method, the cost, average fuel consumption, and fuel consumption balance of each satellite are significantly improved, being beneficial for maintaining the overall fuel balance of the constellation and extending the controllable life of the constellation.

    In the present study, the optimal deployment of heterogeneous microsatellite constellations in circular low Earth orbit was proposed, so as to deploy the satellites with different area-to-mass ratios to the target semimajor axis and relative phase in the same plane. To solve the conflict between fuel demand and availability of some satellites, collaborative reconfiguration was devised in which satellites with sufficient fuel were appropriately used more, helping those with insufficient fuel to save fuel. An AoL and semimajor axis coordinated control strategy was established, and a satellite AoL adjustment amount optimization algorithm based on the Kuhn-Munkres and simulated annealing algorithm was proposed, which enables satellites to complete the target configuration with the fuel close to the expected value. Compared with the traditional method, the cost, average fuel consumption, and fuel consumption balance of each satellite were significantly improved, being beneficial for maintaining the overall fuel balance of the constellation and extending the controllable life of the constellation. The proposed method also applies to the case of satellites changing the attitude or appearance thereof dynamically. Complete methods, formulas, and cases are shown, which can be referenced and adopted in practical projects.


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    Title :

    Optimal Deployment of Heterogeneous Microsatellite Constellation Based on Kuhn-Munkres and Simulated Annealing Algorithms


    Additional title:

    J. Aerosp. Eng.


    Contributors:
    Liu, Siyang (author) / Meng, Tao (author) / Jin, Zhonghe (author) / Song, Renting (author)

    Published in:

    Publication date :

    2022-11-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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