Unlike computer aided design (CAD) and computer aided manufacturing (CAM) systems which have been used in industry for a long time, computer aided process planning (CAPP) systems are yet to be transferred from researc...
详细信息
Unlike computer aided design (CAD) and computer aided manufacturing (CAM) systems which have been used in industry for a long time, computer aided process planning (CAPP) systems are yet to be transferred from research laboratories to industry. Aircraft industries are trying to improve their performance by developing CAPP software, and the present study contributes to this effort. Aircraft parts are specific mainly because of their complex geometry, which generates many accessibility problems, and their thin shells, which generate machining deformation and vibration problems. New CAPP approaches have been specified and developed for aircraft structural parts. Machining features are defined as machining faces. the part is split up into a set of machining faces with accessibility, adjacency, and rigidity properties. New set-up strategies are defined. these highlight three particular features in the machining of such parts: the categorization, which is a strict guide as to how the part should be machined;the best-fit blank orientation relative to the part;and the potential machining directions of the part which are the main elements for decision making.
Model Driven Architecture (MDA) is a new development paradigm which generates software by transforming design models automatically and incrementally. Transformation of MDA structural models has been successfully appli...
详细信息
During the last decades database applications are undoubtedly among the most widely used types of software applications. the presence of database statements in their source code is one of their typical characteristics...
详细信息
Topic Maps offer a powerful foundation for knowledge representation and the implementation of knowledge management applications. Using ontologies to model knowledge structures, they offer concepts to link these knowle...
详细信息
As information security is increasingly becoming critical for today's computer based systems, there is increasing need for integrating security concerns into the early phases of system development processes. As a ...
详细信息
Highly optimized libraries of vector and matrix math functions, such as the Intel Integrated Performance Primitive (IPP) libraries, can be used to quickly and economically construct high performance signal processing ...
详细信息
ISBN:
(纸本)9781424400379
Highly optimized libraries of vector and matrix math functions, such as the Intel Integrated Performance Primitive (IPP) libraries, can be used to quickly and economically construct high performance signal processing systems built up around personal computer technology. this paper describes a portable benchmarking software suite that has been developed for benchmarking the performance obtainable with IPP implementations of common signal processing algorithms, including the Fast Fourier Transform (FFT) and Finite Impulse Response (FIR) filter. the results presented provide useful insights into system design choices concerning algorithms, software architecture and processors.
Mobile intelligent agents may assist the rapid and wide market penetration of services and products offered via e-commerce channels, as they improve the performance and sophistication of systems in the e-business doma...
详细信息
the proceedings contain 18 papers. the special focus in this conference is on Network Control and engineering for QoS. the topics include: Network control and engineering for QoS, security and mobility, V: IFIP 19th W...
ISBN:
(纸本)9780387348254
the proceedings contain 18 papers. the special focus in this conference is on Network Control and engineering for QoS. the topics include: Network control and engineering for QoS, security and mobility, V: IFIP 19th World computer Congress, TC-6, 5th IFIP International conference on Network Control and engineering for QoS, Security and Mobility, August 20-25, 2006, Santiago, Chile;a zero burst loss architecture for star OBS networks;a survey of application-level multicast group communication and a proposal for intelligent reflectors;towards autonomic networking and selfconfigurating routers: the integration of autonomic agents;analysis of individual flows performance for delay sensitive applications;proportional service differentiation with MPLS;a model of signaling for establishing of LSPs for multicast communication over GMPLS networks;agent-based self-management of MPLS DiffServ-TE domain;nSME: A framework for network worm modeling and simulation;algorithms for network service guarantee under minimal link usage information;dynamic complexity of autonomic communication and softwaresystems;safeguarding the transmission of biometric measurements used for authenticating individuals;the risks analysis like a practice of secure software development. A revision of models and methodologies;p3P semantic checker of site behaviours;a sliding window based management traffic clustering algorithm for 802.11 WLAN intrusion detection;secure SCTP against DoS attacks in wireless internet;design of an Adaptive-Rate Video-Streaming service with different classes of users;a novel architecture for utility driven management;multiobjective multicast routing with ant colony optimization.
In the Information Age, armies of some countries work hard for more than ten years, obtain substantial progress in the informatization construction. But they mainly focus on modernization of communication in this cons...
详细信息
One of the main goals of mobile data access is to reach the ubiquity inherent to the mobile systems: to access information regardless of time and place. Due to mobile systems restrictions such as, for instance, limite...
详细信息
暂无评论