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A novel cutting plane algorithm for integer linear programming (ILP) is proposed in this paper. It restarts with an all-integer ILP system at each iteration by adding an all-integer cut, which is the function of the non-basis variables of the original system, to original system. Compared with fractional cutting plane (FCP) algorithm, this algorithm shows favorable numerical stability. Compared with...
The underwater particular structure cover system is discovered the connecting bolt had spLit by impact. It brought to the product normal using a certain security risk. In the paper, estabLish the mathematical model of fluid-cover structure coupLing, and obtain the equations between fluid and cover system structure. Using FEM software shows that the study and model of this paper has some reference...
This paper proposed an improved diploid genetic algorithm (DGA) to solve the nonlinear optimization problem for hydropower producer to obtain realistic and feasible bid in electricity market. The influence of mutation operator on population diversity in DGA was analyzed by introducing an average schema similar rate as the measure criteria. It showed that DGA had a better performance than HGA in terms...
In the entry phase, aero-environment is extremely complex for Reusable Launch Vehicles (RLVs). This brings a huge challenge to design the entry guidance law for RLVs. In this paper, an entry trajectory planning method for RLVs is researched and the algorithm is improved to ensure the continuity and smoothness of the longitudinal reference trajectory. Meanwhile, the skipping of trajectory control is...
Many researchers make use of WordNet to measure semantic distance, but rarely describe and, further more, analyze an algorithm which is in specialty to find paths, called semantic relations in this paper, between two concepts in WordNet. Searching in all semantic relations is an important step in measuring semantic similarity. In this paper, we propose two algorithms, HS (hierarchy spread) and BDOS...
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