Distributed engine control (DEC) systems alter aircraft engine design constraints because of fundamental differences in the input and output communication between DEC and centralized control architectures. The change in the way communication is implemented may create new optimum engine-aircraft configurations. This paper continues the exploration of digital network communication by demonstrating a Network-In-the-Loop simulation at the NASA Glenn Research Center. This simulation incorporates a real-time network protocol, the Engine Area Distributed Interconnect Network Lite (EADIN Lite), with the Commercial Modular Aero-Propulsion System Simulation 40k (C-MAPSS40k) software. The objective of this study is to assess digital control network impact to the control system. Performance is evaluated relative to a truth model for large transient maneuvers and a typical flight profile for commercial aircraft. Results show that a decrease in network bandwidth from 250 Kbps (sampling all sensors every time step) to 40 Kbps, resulted in very small differences in control system performance.


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    Title :

    Design and Benchmarking of a Network-In-the-Loop Simulation for Use in a Hardware-In-the-Loop System


    Contributors:

    Conference:

    SciTech 2017 ; 2017 ; Grapevine, TX, United States


    Publication date :

    2017-01-09


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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