The multi-layered job-shop automatic scheduling system of mould manufacturing for Industry 3.5

Jong, Wen-Ren; Chen, Han-Ting; Yan, Lin; Chen, Yuwei; Li, Tai-Chih

doi:10.1016/j.cie.2020.106797

Cited by 17 publications

(8 citation statements)

References 14 publications

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“…Among the patents described in Table VIII , some masks are composed of a nanofiber filter layer. The nanofibers are formed from polymers such as polypropylene, polyethylene, polyethersulfone, and nylon ( 163 ).…”

Section: Resultsmentioning

confidence: 99%

Technological Scenario for Masks in Patent Database During Covid-19 Pandemic

et al. 2021

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Since January 2020, the World Health Organization announces COVID-19 outbreak a case of public health emergency of international interest, and declaring it a pandemic on March. Due to the high transmission of this disease, rate precautions have been implemented, such as the use of masks by the population, personal protective equipment (PPE), and safety protocols, mainly to health workers. Thus, we performed a patent review to evaluate the current patents related to the protective mask. The review was carried out in the patent database in the period of May 2019 to May 2020. After the process of screening and eligibility, 563 patents were selected for our analysis according to the aim of the study which used masks such as a PPE against dust particles and pathogens, mostly when it is about airborne transmission, such as viruses and bacteria. Here, an overview of the main materials used in the mask manufacturing and their efficiency was described. The results of the review showed that most of the masks used cotton, nylon, silver fiber fabrics, among others as fabrics to develop the masks. It also makes an analysis of masks composed of nanotechnology which provide high filtration efficiency. Moreover, the review also brought possibilities of masking the population, which already have been done in countries such as China and Korea and ways of sterilization for reuse of PPE during COVID-19 outbreak. Thus, this review can further researchers in the developing of masks to decrease the spread of a pandemic disease.

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Section: Resultsmentioning

confidence: 99%

Technological Scenario for Masks in Patent Database During Covid-19 Pandemic

et al. 2021

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“…Since the introduction of the AS by Dorigo et al (1991aDorigo et al ( , 1991bDorigo et al ( , 1996 and Colorni et al (1992aColorni et al ( , 1992b, the algorithm has been employed in different NP-hard combinatorial optimization problems such as activity crashing in project management (Abdallah et al, 2009), the car sequencing problems (Moya et al, 2019;Sun and Fan, 2017), the vehicle routing problems (Kim and Park, 2018;Tan et al, 2019;Liu et al, 2020), the job shop scheduling problems (Jong et al, 2020), resource allocation problems (Chaharsooghi and Kermani, 2008) and the travelling salesman problems (López-Ibáñez and Blum, 2010;Ebadinezhad, 2020). It has been shown ACO outperforms other heuristics like genetic algorithm and simulated annealing on a number of problems.…”

Section: Related Workmentioning

confidence: 99%

Environmental and social implications of incorporating carpooling service on a customized bus system

Asghari

Al-e-hashem

Rekik

2022

Computers & Operations Research

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“…represents the local optimality of alternative assignments and its values were computed in different ways according to the objective function it concerns, as in equation ( 23) for colonies (1, 2, 3). For an ant from colony 4, 5, 6, or 7 assigned with more than one objective, is calculated using equation (24).…”

Section: Ant Systemmentioning

confidence: 99%

A Review of Implementing Ant System Algorithms on Scheduling Problems

Kashef

Elshaer

2021

The Egyptian International Journal of Engineering Sciences and

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The ant system (AS) and scheduling problem are well-known concepts in literature. Ant algorithms have been known to be an effective tool for solving combinatorial optimization problems. Elitist AS (EAS), rank-based AS (RAS), ant colony system (ACS), and max-min AS (MMAS) are the variants of the AS algorithm; they are triggered by the different ways of updating the pheromone trail τ, computing the visibility η, and/or other parameters in the basic AS model. The main contribution of this article is twofold. First, the basic AS and its controlled parameters are presented, the key variants of the ant algorithms are explained, and major changes of each variant from the basic model are tracked. Second, sixty papers are collected between 2015 and 2020 based on a search strategy for tracking the implementation of different AS variants in solving scheduling problems. Numerous findings based on a statistical analysis of the collected papers are reported and discussed. This study will allow the researcher to understand the essence of the ant algorithm, recognize the fundamental differences in its five systems, and determine how each of them can be implemented. Tracking a sample of articles that apply an ant algorithm for a specific case study gives researchers new ideas on how to adjust the original model to fit their problem.

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The multi-layered job-shop automatic scheduling system of mould manufacturing for Industry 3.5

Cited by 17 publications

References 14 publications

Technological Scenario for Masks in Patent Database During Covid-19 Pandemic

Technological Scenario for Masks in Patent Database During Covid-19 Pandemic

Environmental and social implications of incorporating carpooling service on a customized bus system

A Review of Implementing Ant System Algorithms on Scheduling Problems

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