Abstract
The U.S. National Aeronautics and Space Administration (NASA) has contracted with General Dynamics to design, de velop, and integrate into the Space Shuttle an advanced Cen taur liquid-fuel booster. This booster will be launched during orbit from the cargo bay of the Space Shuttle Orbiter. Its first flights will carry the Galileo and International Solar Polar inter planetary spacecraft in 1986. Fault-tolerant airborne and ground-support equipment are being developed for the booster. Simulators will be used to test these new control systems.
Each simulator uses a Z80-based microcomputer to emulate part of the system behavior, providing analog and digital feed back to the launch control computers. The simulators will provide real-time verification of the system's closed-loop control.
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