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Digital Guided Weapons Technology. Volume 1. Digital Processor System Studies
Final rept. Aug 1974-Nov 1976
HUGHES AIRCRAFT CO CANOGA PARK CA MISSILE SYSTEMS DIV
Pagination or Media Count:
A digital processing system is defined which will support the integration of the components of an advanced modular weapon system. Modularity requirements of the weapon system led to the choice of a multiplexed digital bus as the prime communication channel in the weapon. The weapon bus presents a common interface to all subsystems and provides a common functional interface between weapon sections. The combination of a digital processor and the weapon bus forms the integration subsystem of the weapon. The functions which are performed in the digital processor to accomplish integration are called the CORE functions. These CORE functions are system management, flight control, and the strapdown inertial navigation function. System management includes weapon system identification, communication control, and self-test. It provides the real time control of the weapon system processor. The strapdown inertial reference function includes the data filtering and position update tasks which interface midcourse guidance sensors with the inertial navigation function. The throughput requirement for the digital processing system is determined by time-critical functions in the flight control subsystem. Propagation delay restrictions in processing inertial sensor data for the flight control stabilization function set both bus transmission rate and processor functional throughput.
APPROVED FOR PUBLIC RELEASE