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The study concentrates on the effects of structural parameters of an electronic fuel injector on its dynamic response (the opening delay and the closing delay). The injector was developed for a marine medium-speed diesel engine. The dynamic response from the start of the control signal to the end of the needle valve closing were investigated. Firstly, a complete and detailed model of the electronic...
Solving the vision problem using convex optimization theory is now a focus in computer vision and robot communities. Second Order Cone Programming (SOCP) is especially effective in these methods. This paper discusses homography estimation in omnidirectional vision under the L∞-norm, which provides a theoretical guarantee of global optimality and a wide field of view. We give three different kinds...
In view of current characteristics of well drilling support system, analyzing mass of well history data, logging data and drilling materials of each oil field in China, a new scheme optimization method is established using comprehensive comparison and analysis of multi-well data. The new method is successfully applied to a distributed drilling support system that uses network and computer as operation...
In planning and designing a large optical transport network, operators are faced with a complex optimization problem that needs to take into account the mix of legacy and new services, new technologies and network transition constraints, while satisfying high network flexibility and scalability. In this paper, we approach the answers to these difficult questions through a pragmatic methodology. We...
The memory system remains a major performance bottleneck in the modern and future architectures. Cache unit design and optimization have become an increasingly important factor in determining the overall system performance. This dissertation focuses on the research of the prefetching technique of L2 Cache. A new prefetch technique (timing stride prefetching, TSP), which is suitable for prefetching...
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