NDLI: Simulating a small turboshaft engine in real-time multiprocessor simulator (rtmps) environment

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Simulating a small turboshaft engine in real-time multiprocessor simulator (rtmps) environment

Content Provider	NASA Technical Reports Server (NTRS)
Author	Arpasi, D. J. Milner, E. J.
Copyright Year	1986
Description	A Real-Time Multiprocessor Simulator (RTMPS) has been developed at NASA Lewis Research Center. The RTMPS uses parallel microprocessors to achieve computing speeds needed for real-time engine simulation. This report describes the use of the RTMPS system to simulate a small turboshaft engine. The process of programming the engine equations and distributing them over one, two, and four processors is discussed. Steady-state and transient results from the RTMPS simulation are compared with results from a main-frame-based simulation. Processor execution times and the associated execution time savings for the two and four processor cases are presented using actual data obtained from the RTMPS system. Included is a discussion of why the minimum achievable calculation time for the turboshaft engine model was attained using four processors. Finally, future enhancements to the RTMPS system are discussed including the development of a generalized partitioning algorithm to automatically distribute the system equations among the processors in optimum fashion.
File Size	911358
Page Count	27
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860006751
Archival Resource Key	ark:/13960/t9964f33t
Language	English
Publisher Date	1986-01-01
Access Restriction	Open
Subject Keyword	Aircraft Propulsion And Power Computer Programming Algorithms Partitions Mathematics Microprocessors Digital Simulation Turboshafts Multiprocessing Computers Parallel Processing Computers Turbine Engines Real Time Operation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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