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An application of the multi-depot heterogeneous fixed fleet open vehicle routing problem 多车场异构固定车队开放车辆路径问题的应用
Int. J. Adv. Oper. Manag. Pub Date : 2020-06-26 DOI: 10.1504/ijaom.2020.10030220
Anatol Husakou, L. M. Hvattum, K. Danielsen, Arild Hoff
{"title":"An application of the multi-depot heterogeneous fixed fleet open vehicle routing problem","authors":"Anatol Husakou, L. M. Hvattum, K. Danielsen, Arild Hoff","doi":"10.1504/ijaom.2020.10030220","DOIUrl":"https://doi.org/10.1504/ijaom.2020.10030220","url":null,"abstract":"This work describes an application of a multi-depot heterogeneous fixed fleet open vehicle routing problem. A contractor owns a fleet of vehicles with different capacities and running costs. The fleet is used to transport craftsmen from their homes to assigned project sites and back, with some of the craftsmen appointed as drivers while others are passengers. An optimisation model is described that enables the contractor to minimise the transportation costs, and a computational study shows that the model can be solved to optimality for realistically sized instances using a standard mixed-integer programming solver. A variant of the problem is also considered, where the assignment of craftsmen to projects is not fixed a priori. For this variant, several simple heuristic rules are investigated to generate project assignments, and computational results show that they are able to find improved assignments.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127257290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Workflow estimation of a radiology department using modelling and simulation 利用建模和仿真对放射科工作流程进行评估
Int. J. Adv. Oper. Manag. Pub Date : 2020-06-26 DOI: 10.1504/ijaom.2020.10030216
F. Idigo, V. Idigo, K. Agwu, O. Onwujekwe, M. Okeji, Angel-Mary Anakwue, U. Nwogu
{"title":"Workflow estimation of a radiology department using modelling and simulation","authors":"F. Idigo, V. Idigo, K. Agwu, O. Onwujekwe, M. Okeji, Angel-Mary Anakwue, U. Nwogu","doi":"10.1504/ijaom.2020.10030216","DOIUrl":"https://doi.org/10.1504/ijaom.2020.10030216","url":null,"abstract":"Service delay has remained a persistent problem in the radiology departments of most Nigerian tertiary hospitals. This impact negatively on system efficiency and productivity, resource utilisation, and patient access to care. This work was designed to measure, analyse and forecast the workflow process in a radiology department using modelling and simulation. A prospective cross-sectional study was carried out in a tertiary hospital radiology department on randomly selected 768 adult ambulant patients that underwent routine radiographic investigations. Arrival time, service time and waiting time were measured for each patient and MATLAB Simulink was used to model and simulate the workflow process. The probability of n arrival is inversely related to the arrival rate. System utilisation increases with increase of the arrival rate and generally decreases with increase in the number of servers and mean service rate. The probability of the number of delays decreases at higher utilisation rates. A software program called 'MATLAB Estimator' was developed which showcases output parameters once the input parameters are known. Operations planning and control process can be enhanced by radiology service managers using forecasts of system demands which will enable work process improvement.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125314099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the interrelationships between KPIs in a small business through temporal causal models 通过时间因果模型分析小型企业kpi之间的相互关系
Int. J. Adv. Oper. Manag. Pub Date : 2020-05-28 DOI: 10.1504/ijaom.2020.107519
Gelmar García-Vidal, Alexander Sánchez-Rodríguez, Reyner Pérez-Campdesuñer, Rodobaldo Martínez-Vivar
{"title":"Analysis of the interrelationships between KPIs in a small business through temporal causal models","authors":"Gelmar García-Vidal, Alexander Sánchez-Rodríguez, Reyner Pérez-Campdesuñer, Rodobaldo Martínez-Vivar","doi":"10.1504/ijaom.2020.107519","DOIUrl":"https://doi.org/10.1504/ijaom.2020.107519","url":null,"abstract":"This paper provides an analysis of performance measurement system in small enterprises and the importance for owners-managers of knowing those indicators that show the performance of their business. The main objective is to uncover causal relationships between some key performance indicators (KPIs) at small business. The review highlights the importance of studying the KPIs to know the performance of a business and the need to know the causality between them. It is possible to find articles that pursue this objective, but few allow to know the real causality among the studied KPIs. In order to reach the objective set, the causal temporal model was applied, which allowed to discover those indicators that had an impact on the performance of the small business studied. This facilitates the owner-manager to know more deeply his business and to take actions of improvement in function of its improvement.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121581459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Assessing barriers to implementation of QMPs in Indian organisations - an empirical investigation 评估印度组织实施质量管理方案的障碍——一项实证调查
Int. J. Adv. Oper. Manag. Pub Date : 2020-05-28 DOI: 10.1504/ijaom.2020.10029734
Jagdeep Singh, Harwinder Singh, S. Gandhi
{"title":"Assessing barriers to implementation of QMPs in Indian organisations - an empirical investigation","authors":"Jagdeep Singh, Harwinder Singh, S. Gandhi","doi":"10.1504/ijaom.2020.10029734","DOIUrl":"https://doi.org/10.1504/ijaom.2020.10029734","url":null,"abstract":"In the post liberalisation period, many Indian organisations have taken up quality management programs (QMPs) in order to compete with global standards, but it has been observed that organisations frequently confront problems during implementation of such programs. In this study, a questionnaire survey has been performed to explore the problems in the organisation and tried to find the linkages of the problems with the organisational context as well as the approach adopted by management while recovering the problems. It has been observed that the organisations implementing quality management programs (QMPs) often confront hurdles in the process of managing the organisational change associated with such programs. On average quality practitioners in Indian service industry indicated significantly higher perceived values of barrier than in manufacturing industry in the attributes expertise in QMPs.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133014733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A proposed conceptual action plan for identification, assessment and mitigation of supply chain risks 一项拟议的概念性行动计划，用于识别、评估和减轻供应链风险
Int. J. Adv. Oper. Manag. Pub Date : 2020-05-28 DOI: 10.1504/ijaom.2020.10029735
M. Shahbaz, B. Othman, Peshraw Mahmood Salman, Danish Ali Memon, R. Z. Rasi
{"title":"A proposed conceptual action plan for identification, assessment and mitigation of supply chain risks","authors":"M. Shahbaz, B. Othman, Peshraw Mahmood Salman, Danish Ali Memon, R. Z. Rasi","doi":"10.1504/ijaom.2020.10029735","DOIUrl":"https://doi.org/10.1504/ijaom.2020.10029735","url":null,"abstract":"Any disruption can disturb many organisations and even the whole system. There are many theories and frameworks that present a solution but no study is available that theoretically development framework for supply chain risk management. The focus of this study is to develop a framework for identifying risks and assessment of their effects on supply chain performance. Additionally, evaluate the role of supply chain collaboration for Malaysia manufacturing. This is a conceptual paper, systematic as well as content analysis have been done for the literature review. For future studies, there is a need to empirically verification of this theoretical framework. The proposed methodology to achieve this framework is; a questionnaire will be developed from a pool and will be validated by an exploratory view for risk identification. This questionnaire will be distributed among Malaysian manufacturing and data will be analysed through structural equation modelling (SEM) for risk assessment and mitigation. The theoretical contribution of this study is the support of the theory of swift, even flow and information processing theory.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126745111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Optimal production-distribution planning in electromotor manufacturing industries: a case study 电机制造业的最优生产分配计划:一个案例研究
Int. J. Adv. Oper. Manag. Pub Date : 2020-05-28 DOI: 10.1504/ijaom.2020.10029733
Homa Heydarabadi, A. Doniavi, R. Babazadeh, H. Azar
{"title":"Optimal production-distribution planning in electromotor manufacturing industries: a case study","authors":"Homa Heydarabadi, A. Doniavi, R. Babazadeh, H. Azar","doi":"10.1504/ijaom.2020.10029733","DOIUrl":"https://doi.org/10.1504/ijaom.2020.10029733","url":null,"abstract":"Optimal production-distribution planning prevents capital accumulation, reduces costs, unemployment of machinery, and provides a good plan to satisfying customer needs. In this paper, a mixed-integer linear programming (MILP) model is developed to determine optimal production-distribution planning in electromotor manufacturing industries. The proposed model is a multi-product and multi-period one in which optimal amounts of production, inventory and distribution are determined in different periods. Also, the possibility of capacity expansion of facilities in different periods are modelled to optimally determine the capacity increase if necessary. To validate the proposed model, it is applied in a company in Iran producing different electro-motors. The achieved results confirm the efficiency of the model to be used in determining the optimum production-distribution plans in electromotor industries.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133550065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The design of a knowledge-based system for quality management in healthcare: case study 基于知识的医疗质量管理系统的设计:案例研究
Int. J. Adv. Oper. Manag. Pub Date : 2019-10-16 DOI: 10.1504/ijaom.2019.10024699
Y. N. A. Khamisi, M. Khan, J. E. Munive-Hernandez
{"title":"The design of a knowledge-based system for quality management in healthcare: case study","authors":"Y. N. A. Khamisi, M. Khan, J. E. Munive-Hernandez","doi":"10.1504/ijaom.2019.10024699","DOIUrl":"https://doi.org/10.1504/ijaom.2019.10024699","url":null,"abstract":"The current healthcare systems have numerous gaps that need to be filled to reach the best practice. This paper presents a novel approach to design and validate a hybrid knowledge-based system (KBS) to evaluate QM of healthcare environment (QMHE) using a hybrid system that has not been used before. It will be combined with gauge absence perquisite (GAP) method to sustain a successful operation of the large number of key performance indicators (KPIs) that involved in QMHE and to detect the gap between each KPI and the anticipated point. Out of 354 KB rules answered, the system has categorised 225 as GPs and the remaining 128 as BPs. The 128 bad points are categorised into different problem categories (20 PC-1, 34 PC-2, 34 PC-3, 40 PC-4, and 0 PC-5) where they represent the actions that need to be enhanced to reach the desired level of quality management.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130104507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analysis of the cold chain in the hospital pharmacy: case of the university hospital centre in Morocco 医院药房冷链分析:以摩洛哥大学医院中心为例
Int. J. Adv. Oper. Manag. Pub Date : 2019-10-16 DOI: 10.1504/ijaom.2019.10024702
Manal Tamir, R. Chiheb, F. Ouzayd, Hajar Mansouri
{"title":"Analysis of the cold chain in the hospital pharmacy: case of the university hospital centre in Morocco","authors":"Manal Tamir, R. Chiheb, F. Ouzayd, Hajar Mansouri","doi":"10.1504/ijaom.2019.10024702","DOIUrl":"https://doi.org/10.1504/ijaom.2019.10024702","url":null,"abstract":"The drugs market has experienced lately a significant diversification in the types of medical treatments and some of them use medicines that require a mode of preservation under specific temperature ranges. In fact, the purpose of the drugs cold chain is to guarantee the respect of these temperature ranges throughout the drug circuit, namely transport and storage until the administration to patients. Actually, a large number of healthcare organisations suffer from the defectiveness of the cold chain products following the non-compliance of the required temperatures. Sometimes, the defect is not detected due to temperature traceability problems and the products can be administrated to the patients and have serious effects on their health. The main purpose of this paper is then to analyse the cold chain in the hospital pharmacy. The analysis will concern the general cartography proposed in this paper, namely the different actors and procedures of this chain. Finally, the failures of the drugs cold chain in the Moroccan regulation will be analysed and thus will be proposed the different orientations that the government must adopt in order to follow the progress of the international regulation.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132951227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Minimising the makespan in open shop scheduling problems using variants of discrete firefly algorithm 基于离散萤火虫算法的开放式车间调度问题最大完工时间最小化
Int. J. Adv. Oper. Manag. Pub Date : 2019-10-16 DOI: 10.1504/ijaom.2019.10024700
A. Lal, R. VishnuK., A. Haq
{"title":"Minimising the makespan in open shop scheduling problems using variants of discrete firefly algorithm","authors":"A. Lal, R. VishnuK., A. Haq","doi":"10.1504/ijaom.2019.10024700","DOIUrl":"https://doi.org/10.1504/ijaom.2019.10024700","url":null,"abstract":"Minimising makespan in open shop scheduling problem is the aim of this research work. The scheduling problems consist of 'n' jobs and 'm' machines, in which each job has 'O' operations. The processing time for 50 open shop scheduling problems was generated using a linear congruential random number generator. A non-traditional algorithm called discrete firefly algorithm is proposed to minimise the makespan of open shop scheduling problems and this method is referred as A1. Discrete firefly algorithm is also hybridised along with other heuristic algorithms in two ways: 1) firefly algorithm is hybridised with longest total remaining processing on other machines and local search algorithms which is referred as A2; 2) firefly algorithm is hybridised with simulated annealing and referred as A3. Novelty of this work focuses on the application of open shop scheduling problems in quality control of a production industry.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114796501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A stochastic model of a production-inventory system with consideration of production disruption 考虑生产中断的生产-库存系统随机模型
Int. J. Adv. Oper. Manag. Pub Date : 2019-10-16 DOI: 10.1504/ijaom.2019.10024701
Rubayet Karim, K. Nakade
{"title":"A stochastic model of a production-inventory system with consideration of production disruption","authors":"Rubayet Karim, K. Nakade","doi":"10.1504/ijaom.2019.10024701","DOIUrl":"https://doi.org/10.1504/ijaom.2019.10024701","url":null,"abstract":"In this paper, we develop a stochastic production-inventory model that faces random production disruption. In each fixed time planning horizon, the inventory position is affected by production disruption. The production disruption time and the disruption recovery time in a single planning horizon are stochastic. The process of the inventory levels at the beginning of the time horizon is formulated by using a finite state discrete-time Markov chain. We derive expressions of the transition probability and the long-run average cost. The optimum solution is obtained through numerical experiments. The result shows that under the circumstance of production time constraint, the incorporation of safety stock in a disruption prone production-inventory system helps to minimise the long run average cost. Finally, sensitivity analysis has been given to demonstrate the usefulness of the model. This model assists decision makers to not only determine the optimal safety stock quantity but also reveal distinct effect and/or joint impacts of individual cost parameters, disruption probability on the decision regarding selection of safety stock.","PeriodicalId":191561,"journal":{"name":"Int. J. Adv. Oper. Manag.","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133255248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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