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Application of Hybrid Teaching-learning-based Optimization Algorithm in Spatial Straightness Evaluation |
YANG Yang,LI Ming,GU Jing-jun,WANG Chen,WEI Qing-yue |
Key Laboratory of Intelligent Manufacturing and Robotics, School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China |
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Abstract In order to improve the accuracy of spatial straightness evaluation under minimum zone principle condition, a method of spatial straightness error evaluation based on teaching-learning-based optimization(TLBO) algorithm is proposed. To increases the ability of information interaction between students and local search , the population grouping strategy, shuffle strategy and local update strategy of shuffled frog leaping algorithm are used in teaching-learning-based algorithm and it is called hybrid teaching-learning-based optimization(HTLBO) algorithm. Finally, two groups of spatial straightness error examples are used by HTLBO algorithm, and the results are compared to other traditional algorithms . The results show that the HTLBO algorithm has high searching ability and fast convergence speed in the process of spatial straightness error evaluation.
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Received: 24 February 2017
Published: 29 December 2017
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