[1] Wei Li, Chen Weida, Yang Ye,. Scheduling optimization problem considering time-of-use tariffsand piece-rate machine maintenance in EAF steelmaking [J]. Journal of Southeast University (English Edition), 2018, 34 (1): 127-134. [doi:10.3969/j.issn.1003-7985.2018.01.018]

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Scheduling optimization problem considering time-of-use tariffsand piece-rate machine maintenance in EAF steelmaking()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

34

Issue:

2018 1

Page:

127-134

Research Field:

Economy and Management

Publishing date:

2018-03-20

Info

Title:

Scheduling optimization problem considering time-of-use tariffsand piece-rate machine maintenance in EAF steelmaking

Author(s):

Wei Li;  Chen Weida;  Yang Ye

School of Economics and Management, Southeast University, Nanjing 211189, China

Keywords:

electric arc furnaces steelmaking;  time-of-use tariffs;  piece-rate machine maintenance;  longest processing time-genetic(LPT-gene)algorithm;  energy saving

PACS:

F273

DOI:

10.3969/j.issn.1003-7985.2018.01.018

Abstract:

An operating schedule of the parallel electric arc furnaces(EAFs)considering both productivity and energy related criteria is investigated. A mathematical model is established to minimize the total completion time and the total electricity cost. This problem is proved to be an NP-hard problem, and an effective solution algorithm, longest processing time-genetic(LPT-gene)algorithm, is proposed. The impacts of varied processing energy consumption and electricity price on the optimal schedules are analyzed. The integrated influence of the different weight values and the variation between the peak price and the trough price on the optimal solution is studied. Computational experiments illustrate that considering the energy consumption costs in production has little influence on makespan; the computational performance of the proposed longest processing time-genetic algorithm is better than the genetic algorithm(GA)in the issue to be studied; considerable reductions in the energy consumption costs can be achieved by avoiding producing during high-energy price periods and reducing the machining energy consumption difference. The results can be a guidance for managers to improve productivity and to save energy costs under the time-of-use tariffs.

References:

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Memo

Memo:

Biographies: Wei Li(1984—), female, Ph.D.candidate;Chen Weida(corresponding author), male, doctor, professor, cwd@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.71271054, 71571042, 71501046), the Fundamental Research Funds for the Central Universities(No.2242015S32023), the Scientific Research Innovation Project for College Graduates in Jiangsu Province(No.CXZZ12_0133).
Citation: Wei Li, Chen Weida, Yang Ye. Scheduling optimization problem considering time-of-use tariffs and piece-rate machine maintenance in EAF steelmaking[J].Journal of Southeast University(English Edition), 2018, 34(1):127-134.DOI:10.3969/j.issn.1003-7985.2018.01.018.

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