Excessive deceleration forces experienced during high speed deployment of parachute systems can cause damage to the payload and the canopy fabric. Conventional reefing lines offer limited relief by temporarily restricting canopy inflation and limiting the peak deceleration load. However, the open-loop control provided by existing reefing devices restrict their use to a specific set of deployment conditions. In this paper, the sensing, processing, and actuation that are characteristic of adaptive structures form the basis of three concepts for active control of parachute inflation. These active control concepts are incorporated into a computer simulation of parachute inflation. Initial investigations indicate that these concepts promise enhanced performance as compared to conventional techniques for a nominal release. Furthermore, the ability of each controller to adapt to off-nominal release conditions is examined.


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    Title :

    Load-limiting parachute inflation control


    Contributors:

    Conference:

    Smart Structures and Materials 1994: Smart Structures and Intelligent Systems ; 1994 ; Orlando,FL,United States


    Published in:

    Publication date :

    1994-05-06





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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