Method and apparatus for computer simulation of flight test...

Details Method and apparatus for computer simulation of flight test... Method and apparatus for computer simulation of flight test...

2007-12-25

2007-12-25

Shah, Kamini (Department: 2128)

Data processing: structural design, modeling, simulation, and em

Simulating electronic device or electrical system

Timing

C703S013000, C703S017000, C703S022000

Reexamination Certificate

active

10635392

ABSTRACT:
Virtual Real Time (VRT) provides high fidelity timing for software simulator environment running in a workstation. VRT is scalable and controllable. VRT provides flight and simulation software synchronization mechanism. This feature guarantees that the causality effect between flight software when interacting with simulated devices is the same as running flight software in a real test-bed environment. VRT provides high-resolution timing, which facilitates monitoring and detection of timing related faults while running the simulation software system on a workstation. VRT is modularized, such that the switchover from virtual clock to real clock is a trivial task. Running the system on a workstation using VRT behaves exactly like a real system, with the added benefits of user controllable features such as start, stop, monitor and time-scale. Performance of systems running with VRT is generally very good, equal to or better than the hardware, as the software runs natively on a faster workstation.

REFERENCES:
patent: 6230114 (2001-05-01), Hellestrand et al.
patent: 6804636 (2004-10-01), Senta et al.
patent: 6980945 (2005-12-01), Elias
patent: 6993469 (2006-01-01), Bortfeld
Paoli et al., “HyperReal: A Modular Control Architecture for HRT Systems”, Journal of Systems Architecture, vol. 42, Issues 6-7, Dec. 1996, pp. 477-487.

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