Journal of Intelligent Manufacturing
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Bi-objective optimization algorithms for joint production and maintenance scheduling: application to the parallel machine problem
Journal of Intelligent Manufacturing - Tập 20 - Trang 389-400 - 2008
This paper deals with the joint production and maintenance scheduling problem according to a new bi-objective approach. This method allows the decision maker to find compromise solutions between the production objectives and maintenance ones. Reliability models are used to take into account the maintenance aspect of the problem. The aim is to simultaneously optimize two criteria: the minimization ...... hiện toàn bộ
NC tool path generation for 5-axis machining of free formed surfaces
Journal of Intelligent Manufacturing - Tập 16 - Trang 115-127 - 2005
This paper presents a ‘tool axis vector’ approach for machining sculptured surfaces. Such an approach is well suited for highly twisted, rolled, or bent surfaces. The tool paths are generated for a 5-axis milling machine. The proposed approach is based on tilt angle, cutting direction, and a vector normal to the cutting surface. Gouging is avoided by checking the interference between the cutting t...... hiện toàn bộ
Fused magnesia manufacturing process: a survey
Journal of Intelligent Manufacturing - Tập 31 - Trang 327-350 - 2018
This paper provides an overview of the manufacturing process of fused magnesia. A brief introduction to fused magnesia and its industrial production process are presented first. In order to meet the market requirements and reduce costs, fused magnesia industrial process begins to focus on these issues: high energy consumption, serious pollution, low utilization of raw materials. So the issues rela...... hiện toàn bộ
Risk analysis for the supplier selection problem using failure modes and effects analysis (FMEA)
Journal of Intelligent Manufacturing - Tập 27 - Trang 1309-1321 - 2014
While seeking for global suppliers is a general trend for lower cost and better quality, it is not trivial for a company to assess the corresponding risks in supplier selection. This paper proposes the supplier selection method that applies failures modes and effects analysis (FMEA) to assess the risks in the decision process. As each supplier is evaluated under the common multi-criteria framework...... hiện toàn bộ
On-line maintenance job scheduling and assignment to resources in distributed systems by heuristic-based optimization
Journal of Intelligent Manufacturing - Tập 15 - Trang 131-140 - 2004
A heuristic-based optimization algorithm is proposed in this paper for on-line scheduling and assignment of preventive maintenance jobs to processors, to minimize under availability constraints, on a given time-window, the total cost of the maintenance operations of a distributed system. This algorithm minimizes the cost of discharge of preventive maintenance tasks or jobs, while assigning the tas...... hiện toàn bộ
A polar-based guided multi-objective evolutionary algorithm to search for optimal solutions interested by decision-makers in a logistics network design problem
Journal of Intelligent Manufacturing - Tập 25 - Trang 699-726 - 2012
In practical multi-objective optimization problems, respective decision-makers might be interested in some optimal solutions that have objective values closer to their specified values. Guided multi-objective evolutionary algorithms (guided MOEAs) have been significantly used to guide their evolutionary search direction toward these optimal solutions using by decision makers. However, most guided ...... hiện toàn bộ
A neural network approach for defect identification and classification on leather fabric
Journal of Intelligent Manufacturing - Tập 11 - Trang 485-499 - 2000
In this paper, an automated vision system is presented to detect and classify surface defects on leather fabric. Visual defects in a gray-level image are located through thresholding and morphological processing, and their geometric information is immediately reported. Three input feature sets are proposed and tested to find the best set to characterize five types of defects: lines, holes, stains,...... hiện toàn bộ
An approach to regulating machine sharing in reconfigurable back-end semiconductor manufacturing
Journal of Intelligent Manufacturing - Tập 15 - Trang 579-591 - 2004
By complying with the operational philosophy of virtual production lines, a back-end semiconductor manufacturing system can be controlled and managed with better reconfigurability. However, due to the absence of a fully-integrated information system and the gaining popularity of distributed computing, machine reconfiguration decisions are made by machine controllers on the shop floor where heterar...... hiện toàn bộ
A neural network model to determine the plate width set-up value in a hot plate mill
Journal of Intelligent Manufacturing - Tập 11 - Trang 547-557 - 2000
Performance of the process reducing the slab width in hot plate mill called edging is critical to produce rolled products with a desired dimension, which otherwise increase the yield loss caused by trimming. This process, therefore, requires a stringent width control performance. In this paper, an edger set-up model generating the desired slab width required for the control is proposed based upon ...... hiện toàn bộ
Tool wear monitoring and prognostics challenges: a comparison of connectionist methods toward an adaptive ensemble model
Journal of Intelligent Manufacturing - Tập 29 - Trang 1873-1890 - 2016
In a high speed milling operation the cutting tool acts as a backbone of machining process, which requires timely replacement to avoid loss of costly workpiece or machine downtime. To this aim, prognostics is applied for predicting tool wear and estimating its life span to replace the cutting tool before failure. However, the life span of cutting tools varies between minutes or hours, therefore ti...... hiện toàn bộ
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