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Flight control system design for large, fly-by-wire aircraft is aimed at providing optimal handling qualities for all mission tasks that the aircraft has to fulfill. Pilot-Induced Oscillations (PIO) are handling qualities deficiencies that are highly undesirable, and have a tendency to show up unexpectedly during developmental flight-testing. Numerous design criteria have been developed that provide...
A novel software watermarking algorithm SCC (Selected Color Change) based on register allocation is proposed in this paper. The intermediate code when the program is compiled can be used to construct the interfere graph G (V, E). Each vertex in this interfere graph is corresponding with the binary sequence of watermarking message in turns. Then the watermarking is embedded by changing the colors of...
A multi-agent based architecture is bring on to improve the collaborative feature of traditional CAD system for those designers need collaboration each other but locate on different place. Three levels is are included in this proposed system framework, namely real-time monitoring agent, conflict detection agent, conflict solution agent, user communication agent and knowledge management agent. Detail...
The authors analyze the new requirements of the numerical control (NC) in network environment at present and propose a novel architecture of the network NC (NNC). In this architecture, the service-oriented NC system based embedded technology is the core part, providing abundant functions and more diversified processing abilities through networks. Both the hardware and software structures of the service-oriented...
Aiming at the inherent drawbacks of the traditional numerical control system based on industrial PC, the embedded numerical control service system based on Ethernet/Internet puts forward in the paper. The new system is constructed as a dual-CPU numerical control system, in which the ARM is defined as multi-machine NC management server that serve sharable functions for scheduling and execution control...
Industry has put forward demands on cross enterprises collaboration including various resources sharing. A service-oriented networked numerical control system for sharing information between business partners through the Internet infrastructure is presented in this paper. The paper describes the existing problem of the current numerical control system and brings forth the conception of SoNNC. This...
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