Time synchronized playback and control of dissimilar data files

Details Time synchronized playback and control of dissimilar data files Time synchronized playback and control of dissimilar data files

2004-06-08

2008-08-12

Phan, Thai (Department: 2128)

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

Simulating electronic device or electrical system

Event-driven

C703S022000, C703S027000, C715S751000, C709S205000

Reexamination Certificate

active

07412371

ABSTRACT:
A system, and a corresponding method, provides time synchronized playback and control of dissimilar data in a simulation architecture. The system includes a master site including a controller, and agents, implemented by the controller, where the controller directs the agents to control simulation data logging and playback; simulation sites, including: one or more simulation computers, where simulation events occur, a computer, where the agents control the simulation site to record the simulation data, and a local log that stores the simulation data as events, where the agents control the test computer to replay the events; a time reference system including a master site time stamp, local time stamp pair for each of the simulation sites, each of the local time stamps related to a master time stamp, and one or more time normalization factors. The time normalization factors relate times recorded for each of the events to an earliest recorded event and to a time of initiation of a replay command. In the system, a corrected event time, dtEvent, and a corrected system time, dtSystem, are established. Events are then injected for replay into the simulation architecture when the dtEvent and the dtSystem are equal.

REFERENCES:
patent: 7007235 (2006-02-01), Hussein et al.
patent: 2005/0108289 (2005-05-01), East et al.
patent: 2007/0053513 (2007-03-01), Hoffberg

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