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Technical advances in ubiquitous sensing, embedded computing, and wireless communication are leading to a new generation of engineered systems called cyber-physical systems (CPS). CPS promises to transform the way we interact with the physical world just as the Internet transformed how we interact with one another. Before this vision becomes a reality,(More)
Assembly planning plays a major role in the manufacturing industry. In order to reduce computational complexity, this paper presents a knowledge-based approach to the assembly sequence planning problem. The CSBAT (connection-semantics-based assembly tree) hierarchy proposed in this paper provides an appropriate way to consider both geometric information and(More)
One of the fundamental design decisions in an operating system is how to handle coordination between synchronous and asynchronous event handlers, especially handling the asynchronous interrupts. Interrupt synchronization is critical for real-time operating systems to increase system performance and reduce the interrupt response time. This paper proposes an(More)
Nowadays, history-based, constraint-based and feature-based modeling is supported by most commercial systems. Several solutions of persistent naming have been provided which is used to identify entities in an original model and match them in re-evaluated models. The purpose of this paper is to provide a hybrid, simple and effective approach to handle this(More)