A Hybrid Facility for the Simulation, Development, and Validation of ECS Microprocessor Based Controls 820867

This paper presents an overview of digital microprocessor-based Environmental Control System (ECS) controller development and validation at Boeing. The application of a hybrid computer simulation laboratory to the development of real-time simulation capability for ECS is described. The approach used to develop microprocessor-based ECS controllers is illustrated by describing the steps which led to the implementation of a fully automatic cabin pressure control system. The approach to validating ECS digital controllers is also discussed.


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