Multi-objective optimization of machining parameters in micro-milling LF 21 based on the AHP-entropy weight method

Lu, Xiaohong; Tian, Yuhang; Luan, Yihan; Luo, Jiaqing; Liang, Steven Y.

doi:10.1007/s00170-024-13261-z

Int J Adv Manuf Technol

2024

DOI: 10.1007/s00170-024-13261-z

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Multi-objective optimization of machining parameters in micro-milling LF 21 based on the AHP-entropy weight method

Xiaohong Lu,

Yuhang Tian,

Yihan Luan

et al.

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Cited by 3 publications

References 26 publications

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International Journal of Electrical Power & Energy Systems

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Multifactor evaluation method of smart meter

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International Journal of Electrical Power & Energy Systems

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Research on the Teaching Reform of Guizhou’s Environmental Design Major in the Context of Minority Cultures

Zeng

2024

Applied Mathematics and Nonlinear Sciences

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Environmental design majors should actively innovate the teaching mode to adapt to the changes in technological development and social demand. Starting from the three principles of environmental design teaching reform and combining with the cultural background of Guizhou ethnic minorities, this paper puts forward a teaching reform plan for environmental design majors to optimize and innovate the teaching modes of the three core courses of drawing, color and composition. Then, three primary indicators and 15 secondary indicators are selected to construct the evaluation index system for teaching reform in environmental design specialization. Using the hierarchical analysis method and the entropy weight method, we constructed the judgment matrix and calculated the relative and global weights of the indicators. After the model construction is completed, the effect of reforming environmental design teaching at a university in Guizhou will be evaluated. After the teaching reform, the comprehensive score of the teaching evaluation of the environmental design program was 89.88 points, which is an excellent level. Among them, student quality, teacher ability, and teaching environment are 74.5544, 11.5804, and 3.7466 points, respectively. By analyzing the pre- and post-test data of the seven dimensions of students’ artistic creativity reflected by their works and the overall data using the two paired samples t-test, it was concluded that there were significant differences between the pre- and post-tests of the seven dimensions of students’ appropriateness, novelty, technicality, aesthetics, imaginative, ideological, and comprehensive impression. The level of students’ artistic creativity in environmental design reflected through their works has significantly improved, which proves that the teaching reform is effective. This paper provides new ideas and methods for the innovation of education and teaching environmental design majors.

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Research on the Construction of Higher Vocational “Dual-Teacher” Teaching Team in the Context of Digitization

2024

Applied Mathematics and Nonlinear Sciences

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At present, the performance evaluation of “dual-teacher” teachers has problems such as relying on subjectivity and unreasonable evaluation content. In order to make up for the shortcomings of the current teacher performance evaluation, this paper uses the AHP-Entropy algorithm to construct a “dual-teacher” teacher performance evaluation system. Firstly, we select indicators, establish a hierarchical model, construct a judgment matrix, determine the weights of each level, and perform hierarchical ranking. Then, we use the entropy weighting method to establish the data matrix and calculate the weights of each index using dimensionless data. Finally, a questionnaire was designed to analyze the performance of teachers X, Y, and Z in a school. It is found that the total score of X, Y, and Z teachers’ performance evaluation is 85.73, 74.57, and 67.82, which is basically in line with the actual situation, and the institutions can carry out performance incentives and problem improvement based on the evaluation results. In light of this, the paper proposes a comprehensive approach to utilizing digital resources, including vocational colleges, government departments, enterprises, and other relevant entities. It also emphasizes the importance of providing digital technical support to teaching teachers and timely updating teaching equipment to ensure the successful implementation of digital teaching.

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Multi-objective optimization of machining parameters in micro-milling LF 21 based on the AHP-entropy weight method

Cited by 3 publications

References 26 publications

Multifactor evaluation method of smart meter

Multifactor evaluation method of smart meter

Research on the Teaching Reform of Guizhou’s Environmental Design Major in the Context of Minority Cultures

Research on the Construction of Higher Vocational “Dual-Teacher” Teaching Team in the Context of Digitization

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