With the advent of high energy pulse mission loads and distributed power and energy on all-electric ship platforms, a new total ship control system capability is emerging that could significantly impact overall mission success. No longer are loads limited to an all-or-nothing power per use approach. Rather, energy applied to advanced mission loads can be scaled—even regulated—to achieve a desired outcome. Within this new framework, the effectiveness of unique missions can be quantified as a function of the amount and allocation of power to service each mission load. Power elasticity enables a new frontier of how decisions are made during intense operational scenarios where limited power and energy resources are applied to competing load demands. Herein, a power allocation strategy that addresses this challenge is proposed. The general approach is to use state-space models to represent the evolution of both the mission and the engineering system that is supporting the mission. An optimal control problem is performed to maximize some functional over the mission state and actions. By doing so, it indicates the capability of the engineering system to support such missions. The uniqueness of this approach is that solutions become far more mission specific. Results based on a simple two-function platform—each competing for the same limited power resources—show that this approach can be used to assess the probability of success given a certain initial allocation of power.


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    Title :

    Mission-Based Optimal Control for the Evaluation of Power and Energy System Capability


    Contributors:


    Publication date :

    2019-08-01


    Size :

    3334919 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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