The design of the pointing control system for the proposed International Comet Mission, intended to fly by Comet Halley and rendezvous with Comet Tempel-2 is presented. Following a review of mission objectives and the spacecraft configuration, design constraints on the pointing control system controlling the two-axis gimballed scan platform supporting the science instruments are discussed in relation to the scientific requirements of the mission. The primary design options considered for the pointing control system design for the baseline spacecraft are summarized, and the design selected, which employs a target-referenced, inertially stabilized control system, is described in detail. The four basic modes of operation of the pointing control subsystem (target acquisition, inertial hold, target track and slew) are discussed as they relate to operations at Halley and Tempel-2. It is pointed that the pointing control system design represents a significant advance in the state of the art of pointing controls for planetary missions.


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    Titel :

    Pointing control for the International Comet Mission


    Beteiligte:

    Kongress:

    Annual Rocky Mountain Conference ; 1980 ; Keystone, CO


    Erscheinungsdatum :

    01.01.1980


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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