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This paper considers an optimisation problem encountered in the implementation of traffic policies on network routers, that of attempting to minimise the time taken to process a sequence of rules in an Access Control List (ACL). The problem is formulated and shown to be NP-complete. Exact and heuristic solution methods are introduced and compared and(More)
—This paper reviews many design issues and analysis techniques for the brushless permanent-magnet machine. It reviews the basic requirements for the use of both ac and dc machines and issues concerning the selection of pole number, winding layout, rotor topology, drive strategy, field weakening, and cooling. These are key issues in the design of a motor.(More)
This paper describes a novel approach to program script generation. The goals are twofold: to allow a number of different software packages to be implemented together and to permit a user with little or no programming skill to produce executable code. The principles and requirements of such a system are discussed and an outline approach is suggested. A case(More)
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