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To overcome the high time consumption, unreasonable rotation and poor environment adaptability in obstacle avoidance of wheeled robots formation, a strategy combining heuristic path planning function and optimal formation transformation is proposed, and it is applied to AGV (Automatic Guided Vehicle). First of all, a base of common robots formation knowledge and the transformation time is built; Secondly,...
The emergence of horizontal wells brought new vigor to the oil and gas exploration. However, the casing is bended with the hole at the curved portion in horizontal wells, which makes running casing more difficult, because the resistance is larger in horizontal wells than that in vertical ones. Whether the casing strings can run in the bending of horizontal wells relates to the completion style, which...
Frequent itemset mining (FIM) plays an essential role in mining associations, correlations and many other important data mining tasks. Unfortunately, as the volume of dataset gets larger day by day, most of the FIM algorithms in literature become ineffective due to either too huge resource requirement or too much communication cost. In this paper, we propose a balanced parallel FP-Growth algorithm...
Artificial bee colony (ABC) algorithm is one of the most recently proposed swarm intelligence algorithms for global optimization. It performs well in most cases; however, there still exist some problems it cannot solve very well. This paper presents a novel hybrid Hooke Jeeves ABC (HJABC) algorithm with intensification search based on the Hooke Jeeves pattern search and the ABC. The main purpose is...
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