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My research is focused in developing reasoning and knowledge representation technology designed to the development of real-time applications including the design of real-time architectures, the design of resource-Bounded Knowledge Based Systems and design of anytime algorithms. The applications I am concerned with involve resource allocation and scheduling, process control, robotics and signal processing. Real-time architectures Among the most popular AI architectures, the Blackboard model has attracted our attention. Indeed, the main characteristics of Blackboard systems (independence of agents, strong centralized control, event-driven behavior) make them relatively close to classical real-time architectures. However, the design of real-time Blackboard systems usually requires the introduction of concurrent agent execution, which raises a number of important consistency problems. Aspects such as data access serialization and delays experienced by agents waiting for locked resources become fundamental in such systems. Several models (RT-SOS, ATOME-TR and REAKT) have been developed and experimented in real applications by our group. Applications concern process monitoring and control, decision making assistance for aircraft pilots, etc