Real-time middleware based on the rate-monotonic theory
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We have developed real-time middleware which is laid on a POSIX 1003.4,.4a compliant operating system. This real-time middleware supports programming of real-time systems based on rate-monotonic analysis (RMA) and an active object model (real-time object model). RMA is a method to guarantee timing constraints in real-time systems, and an active object model provides us with timing encapsulation for programs. Therefore, the middleware enables us to develop predictable and flexible real-time systems. A data acquisition system, which is a part of a monitoring system, is a target of the middleware. We show that the system is proved to be schedulable as predicted.<<ETX>>
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