duangpun kritchanchai | Mahidol University (original) (raw)
Papers by duangpun kritchanchai
2022 International Conference on Engineering and Emerging Technologies (ICEET), Oct 27, 2022
This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply... more This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply chain collaboration. The factors are conducted by literature review and in-depth interview with supply chain experts in healthcare sector in Thailand. The factor evaluation based on cost-benefit is analyzed by AHP and the willingness to share cost and benefit is evaluated by TOPSIS. The ranking of factor and the willingness to share are presented.
2017 International Conference on Industrial Engineering, Management Science and Application (ICIMSA), 2017
This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply... more This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply chain collaboration. The factors are conducted by literature review and in-depth interview with supply chain experts in healthcare sector in Thailand. The factor evaluation based on cost-benefit is analyzed by AHP and the willingness to share cost and benefit is evaluated by TOPSIS. The ranking of factor and the willingness to share are presented.
International Journal of Logistics Systems and Management, 2018
2022 International Conference on Engineering and Emerging Technologies (ICEET)
International Journal of Logistics Systems and Management
Proceedings of the International Conference on Industrial Engineering and Operations Management
IGI Global eBooks, Feb 15, 2012
A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing servic... more A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing service. Typically, subcontracting or outsourcing covers only one product (or a family of products) or one function that is produced by an outside vendor. In contrast, the functions performed by
International Journal of Supply Chain Management, Jun 29, 2015
Single inventory policy has been applied to entire types of drugs in hospitals, despite several d... more Single inventory policy has been applied to entire types of drugs in hospitals, despite several different drug and demand characteristics. Shortages regularly occur, which may affect patients' lives, especially when vital drugs are being administered to them. However, hospitals cannot store a large amount of every drug because of limited space and budget. The objective of this study was to develop a hospital inventory management system to minimise the total inventory costs, while maintaining patient safety levels. The study is concerned only with the medicines that have a high consumption value and took place in a large public hospital in Thailand. The most suitable policies are proposed for each drug category with the best performance obtained. The historical demand is classified by drug characteristics, consumption value and clinical importance, as well as the demand characteristics. We applied it and compared it with the current inventory policy (Min/Max), and inventory policies from previous studies, in order to investigate the most suitable inventory policy for each drug category and demand characteristic. The study found that a single inventory management system cannot be effectively applied for all medicines. It is because there are also categories of medicines characterised by their value and clinical importance. This is called the ABC/VEN classification. The inventory management in hospitals should be fitted to drug categories and demand characteristics, which are quite unique in the healthcare supply chain and are different from those applied to general manufacturing.
International Journal of Logistics Systems and Management
Proceedings of the International Conference on Industrial Engineering and Operations Management
IGI Global eBooks, Feb 15, 2012
A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing servic... more A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing service. Typically, subcontracting or outsourcing covers only one product (or a family of products) or one function that is produced by an outside vendor. In contrast, the functions performed by
International Journal of Supply Chain Management, Jun 29, 2015
Single inventory policy has been applied to entire types of drugs in hospitals, despite several d... more Single inventory policy has been applied to entire types of drugs in hospitals, despite several different drug and demand characteristics. Shortages regularly occur, which may affect patients' lives, especially when vital drugs are being administered to them. However, hospitals cannot store a large amount of every drug because of limited space and budget. The objective of this study was to develop a hospital inventory management system to minimise the total inventory costs, while maintaining patient safety levels. The study is concerned only with the medicines that have a high consumption value and took place in a large public hospital in Thailand. The most suitable policies are proposed for each drug category with the best performance obtained. The historical demand is classified by drug characteristics, consumption value and clinical importance, as well as the demand characteristics. We applied it and compared it with the current inventory policy (Min/Max), and inventory policies from previous studies, in order to investigate the most suitable inventory policy for each drug category and demand characteristic. The study found that a single inventory management system cannot be effectively applied for all medicines. It is because there are also categories of medicines characterised by their value and clinical importance. This is called the ABC/VEN classification. The inventory management in hospitals should be fitted to drug categories and demand characteristics, which are quite unique in the healthcare supply chain and are different from those applied to general manufacturing.
Thammasat International Journal of Science and Technology, 2007
Over the last decade, several papers have been published on the strategy of mass customization, b... more Over the last decade, several papers have been published on the strategy of mass customization, but most of them hardly provided practical solutions. This research aims to analyse customised orders for the taking of parls in apparel production systems against lead-time performance. A leading-edge company of the Thai apparel industry is selected to apply the concept of customized producers. Attempting to develop this issue, the study first synthesizes the mass-customised apparel principle. Secondly, it examines as-is the supply chain to investigate problems and the efficiency of core business processes after customers place customised orders. Thirdly, to respond to product variety for competition, it proposes some apparel supply chains or apparel chain strategies under the definition of Mass Customisation (MC). Finally, this paper proposes the directions to analyse the effects of customized orders in apparel production systems using simulation modelling.
Thammasat International Journal of Science and Technology, 2007
Over the last decade, several papers have been published on the strategy of mass customization, b... more Over the last decade, several papers have been published on the strategy of mass customization, but most of them hardly provided practical solutions. This research aims to analyse customised orders for the taking of parls in apparel production systems against lead-time performance. A leading-edge company of the Thai apparel industry is selected to apply the concept of customized producers. Attempting to develop this issue, the study first synthesizes the mass-customised apparel principle. Secondly, it examines as-is the supply chain to investigate problems and the efficiency of core business processes after customers place customised orders. Thirdly, to respond to product variety for competition, it proposes some apparel supply chains or apparel chain strategies under the definition of Mass Customisation (MC). Finally, this paper proposes the directions to analyse the effects of customized orders in apparel production systems using simulation modelling.
Proceedings of the International Conference on Industrial Engineering and Operations Management
Proceedings of the International Conference on Industrial Engineering and Operations Management
The healthcare industry in Thailand has two main sectors: the government and the private sector. ... more The healthcare industry in Thailand has two main sectors: the government and the private sector. The private hospitals focus on providing service quality; it makes the customer satisfaction at high level. As a result, it leads the number and income of private hospitals to increase continuously. Therefore, private hospitals focus on improving both financial and non-financial strategies. For the products, they are the main drivers of the healthcare business which are medicines and medical supplies; both types of products have different handling complexities. For the safety of the patient's life and a competitive advantage, therefore, it is necessary to manage such products effectively and appropriately. This research aimed to develop operational guidelines and inventory strategies including the development and prioritization of indicators for measurement of product performance accurately. This research uses data from directly interview with private hospital experts. For the beginning, it started by reviewing SCM indicators, applying them to the BSC perspective, then prioritizing the BSC perspective and sequence of the performance indicators within each viewpoint. The method of hierarchical analysis (AHP) is applied in both quantitative and qualitative integration which is under the complex context of the SCM system to be able to bring conclusions or strategies to practices. It was conducted through a literature review and confirmed through questionnaires with experts from private hospitals in Thailand. The study found that the most important management aspect is the financial perspective. The most important inventory management performance measurement indicators are medication error, inventory turnover, and management cost.
The Impact of COVID-19 on Supply Chain Management, 2021
International Journal of Physical Distribution & Logistics Management, Oct 5, 2015
In transportation and distribution systems, the shipment decisions, fleet capacity, and storage c... more In transportation and distribution systems, the shipment decisions, fleet capacity, and storage capacity are interrelated in a complex way, especially when we take into account uncertainty of the demand rate and shipment lead time. While shipment planning is tactical or operational in nature, increasing storage capacity often requires top management's authority. This paper presents a new way to integrate both operational and strategic decision parameters, namely shipment planning and storage capacity decision under uncertainty. The ultimate goal is to provide a near optimal solution that leads to a striking balance between the total logistics costs and product availability, critical in maritime logistics of bulk shipment of commodity items. Design / Methodology: We use simulation as research method. We develop a simulation model to investigate the effects of various factors on costs and service levels of a distribution system. The model mimics the transportation and distribution problems of bulk cement in a major cement company in Indonesia consisting of a silo at the port of origin, two silos at two ports of destination, and a number of ships that transport the bulk cement. We develop a number of 'what-if' scenarios by varying the storage capacity at the port of origin as well as at the ports of destinations, number of ships operated, operating hours of ports, and dispatching rules for the ships. Each scenario is evaluated in terms of costs and service level. A full factorial experiment has been conducted and ANOVA has been used to analyze the results. Findings: The results suggest that the number of ships deployed, silo capacity, working hours of ports, and the dispatching rules of ships significantly affect both total costs and service level. Interestingly, operating fewer ships enables the company to achieve almost the same service level and gaining substantial cost savings if constraints in other part of the system are alleviated, i.e., storage capacities and working hours of ports are extended.
International Journal of Operations & Production Management, Aug 1, 1999
This paper discusses evidence from field studies undertaken to investigate the responsiveness of ... more This paper discusses evidence from field studies undertaken to investigate the responsiveness of the order fulfilment process in a number of companies. The evidence is analysed in the context of the literature on responsiveness and related areas such as time-based competition. Similarities and differences are analysed across a number of industrial sectors with respect to order fulfilment processes and the interpretation and significance of responsiveness. Generic factors that influence different types of companies are identified. Four components of responsiveness-stimuli, awareness, capabilities and goals-emerge from an analysis of the literature. The field and case study evidence allows the development of more precise definitions and descriptions of each of these components. The study also allows a generic responsiveness framework to be developed that incorporates both strategic and operational viewpoints. The need for more field studies on responsiveness is noted. More work is advocated on the assessment and measurement of responsiveness and on developing appropriate responsiveness interventions, particularly with respect to the order fulfilment process.
2022 International Conference on Engineering and Emerging Technologies (ICEET), Oct 27, 2022
This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply... more This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply chain collaboration. The factors are conducted by literature review and in-depth interview with supply chain experts in healthcare sector in Thailand. The factor evaluation based on cost-benefit is analyzed by AHP and the willingness to share cost and benefit is evaluated by TOPSIS. The ranking of factor and the willingness to share are presented.
2017 International Conference on Industrial Engineering, Management Science and Application (ICIMSA), 2017
This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply... more This paper proposes the influencing factor analysis for cost-benefit sharing in healthcare supply chain collaboration. The factors are conducted by literature review and in-depth interview with supply chain experts in healthcare sector in Thailand. The factor evaluation based on cost-benefit is analyzed by AHP and the willingness to share cost and benefit is evaluated by TOPSIS. The ranking of factor and the willingness to share are presented.
International Journal of Logistics Systems and Management, 2018
2022 International Conference on Engineering and Emerging Technologies (ICEET)
International Journal of Logistics Systems and Management
Proceedings of the International Conference on Industrial Engineering and Operations Management
IGI Global eBooks, Feb 15, 2012
A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing servic... more A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing service. Typically, subcontracting or outsourcing covers only one product (or a family of products) or one function that is produced by an outside vendor. In contrast, the functions performed by
International Journal of Supply Chain Management, Jun 29, 2015
Single inventory policy has been applied to entire types of drugs in hospitals, despite several d... more Single inventory policy has been applied to entire types of drugs in hospitals, despite several different drug and demand characteristics. Shortages regularly occur, which may affect patients' lives, especially when vital drugs are being administered to them. However, hospitals cannot store a large amount of every drug because of limited space and budget. The objective of this study was to develop a hospital inventory management system to minimise the total inventory costs, while maintaining patient safety levels. The study is concerned only with the medicines that have a high consumption value and took place in a large public hospital in Thailand. The most suitable policies are proposed for each drug category with the best performance obtained. The historical demand is classified by drug characteristics, consumption value and clinical importance, as well as the demand characteristics. We applied it and compared it with the current inventory policy (Min/Max), and inventory policies from previous studies, in order to investigate the most suitable inventory policy for each drug category and demand characteristic. The study found that a single inventory management system cannot be effectively applied for all medicines. It is because there are also categories of medicines characterised by their value and clinical importance. This is called the ABC/VEN classification. The inventory management in hospitals should be fitted to drug categories and demand characteristics, which are quite unique in the healthcare supply chain and are different from those applied to general manufacturing.
International Journal of Logistics Systems and Management
Proceedings of the International Conference on Industrial Engineering and Operations Management
IGI Global eBooks, Feb 15, 2012
A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing servic... more A Third Party Logistics (3PL) service represents more than a subcontracting or outsourcing service. Typically, subcontracting or outsourcing covers only one product (or a family of products) or one function that is produced by an outside vendor. In contrast, the functions performed by
International Journal of Supply Chain Management, Jun 29, 2015
Single inventory policy has been applied to entire types of drugs in hospitals, despite several d... more Single inventory policy has been applied to entire types of drugs in hospitals, despite several different drug and demand characteristics. Shortages regularly occur, which may affect patients' lives, especially when vital drugs are being administered to them. However, hospitals cannot store a large amount of every drug because of limited space and budget. The objective of this study was to develop a hospital inventory management system to minimise the total inventory costs, while maintaining patient safety levels. The study is concerned only with the medicines that have a high consumption value and took place in a large public hospital in Thailand. The most suitable policies are proposed for each drug category with the best performance obtained. The historical demand is classified by drug characteristics, consumption value and clinical importance, as well as the demand characteristics. We applied it and compared it with the current inventory policy (Min/Max), and inventory policies from previous studies, in order to investigate the most suitable inventory policy for each drug category and demand characteristic. The study found that a single inventory management system cannot be effectively applied for all medicines. It is because there are also categories of medicines characterised by their value and clinical importance. This is called the ABC/VEN classification. The inventory management in hospitals should be fitted to drug categories and demand characteristics, which are quite unique in the healthcare supply chain and are different from those applied to general manufacturing.
Thammasat International Journal of Science and Technology, 2007
Over the last decade, several papers have been published on the strategy of mass customization, b... more Over the last decade, several papers have been published on the strategy of mass customization, but most of them hardly provided practical solutions. This research aims to analyse customised orders for the taking of parls in apparel production systems against lead-time performance. A leading-edge company of the Thai apparel industry is selected to apply the concept of customized producers. Attempting to develop this issue, the study first synthesizes the mass-customised apparel principle. Secondly, it examines as-is the supply chain to investigate problems and the efficiency of core business processes after customers place customised orders. Thirdly, to respond to product variety for competition, it proposes some apparel supply chains or apparel chain strategies under the definition of Mass Customisation (MC). Finally, this paper proposes the directions to analyse the effects of customized orders in apparel production systems using simulation modelling.
Thammasat International Journal of Science and Technology, 2007
Over the last decade, several papers have been published on the strategy of mass customization, b... more Over the last decade, several papers have been published on the strategy of mass customization, but most of them hardly provided practical solutions. This research aims to analyse customised orders for the taking of parls in apparel production systems against lead-time performance. A leading-edge company of the Thai apparel industry is selected to apply the concept of customized producers. Attempting to develop this issue, the study first synthesizes the mass-customised apparel principle. Secondly, it examines as-is the supply chain to investigate problems and the efficiency of core business processes after customers place customised orders. Thirdly, to respond to product variety for competition, it proposes some apparel supply chains or apparel chain strategies under the definition of Mass Customisation (MC). Finally, this paper proposes the directions to analyse the effects of customized orders in apparel production systems using simulation modelling.
Proceedings of the International Conference on Industrial Engineering and Operations Management
Proceedings of the International Conference on Industrial Engineering and Operations Management
The healthcare industry in Thailand has two main sectors: the government and the private sector. ... more The healthcare industry in Thailand has two main sectors: the government and the private sector. The private hospitals focus on providing service quality; it makes the customer satisfaction at high level. As a result, it leads the number and income of private hospitals to increase continuously. Therefore, private hospitals focus on improving both financial and non-financial strategies. For the products, they are the main drivers of the healthcare business which are medicines and medical supplies; both types of products have different handling complexities. For the safety of the patient's life and a competitive advantage, therefore, it is necessary to manage such products effectively and appropriately. This research aimed to develop operational guidelines and inventory strategies including the development and prioritization of indicators for measurement of product performance accurately. This research uses data from directly interview with private hospital experts. For the beginning, it started by reviewing SCM indicators, applying them to the BSC perspective, then prioritizing the BSC perspective and sequence of the performance indicators within each viewpoint. The method of hierarchical analysis (AHP) is applied in both quantitative and qualitative integration which is under the complex context of the SCM system to be able to bring conclusions or strategies to practices. It was conducted through a literature review and confirmed through questionnaires with experts from private hospitals in Thailand. The study found that the most important management aspect is the financial perspective. The most important inventory management performance measurement indicators are medication error, inventory turnover, and management cost.
The Impact of COVID-19 on Supply Chain Management, 2021
International Journal of Physical Distribution & Logistics Management, Oct 5, 2015
In transportation and distribution systems, the shipment decisions, fleet capacity, and storage c... more In transportation and distribution systems, the shipment decisions, fleet capacity, and storage capacity are interrelated in a complex way, especially when we take into account uncertainty of the demand rate and shipment lead time. While shipment planning is tactical or operational in nature, increasing storage capacity often requires top management's authority. This paper presents a new way to integrate both operational and strategic decision parameters, namely shipment planning and storage capacity decision under uncertainty. The ultimate goal is to provide a near optimal solution that leads to a striking balance between the total logistics costs and product availability, critical in maritime logistics of bulk shipment of commodity items. Design / Methodology: We use simulation as research method. We develop a simulation model to investigate the effects of various factors on costs and service levels of a distribution system. The model mimics the transportation and distribution problems of bulk cement in a major cement company in Indonesia consisting of a silo at the port of origin, two silos at two ports of destination, and a number of ships that transport the bulk cement. We develop a number of 'what-if' scenarios by varying the storage capacity at the port of origin as well as at the ports of destinations, number of ships operated, operating hours of ports, and dispatching rules for the ships. Each scenario is evaluated in terms of costs and service level. A full factorial experiment has been conducted and ANOVA has been used to analyze the results. Findings: The results suggest that the number of ships deployed, silo capacity, working hours of ports, and the dispatching rules of ships significantly affect both total costs and service level. Interestingly, operating fewer ships enables the company to achieve almost the same service level and gaining substantial cost savings if constraints in other part of the system are alleviated, i.e., storage capacities and working hours of ports are extended.
International Journal of Operations & Production Management, Aug 1, 1999
This paper discusses evidence from field studies undertaken to investigate the responsiveness of ... more This paper discusses evidence from field studies undertaken to investigate the responsiveness of the order fulfilment process in a number of companies. The evidence is analysed in the context of the literature on responsiveness and related areas such as time-based competition. Similarities and differences are analysed across a number of industrial sectors with respect to order fulfilment processes and the interpretation and significance of responsiveness. Generic factors that influence different types of companies are identified. Four components of responsiveness-stimuli, awareness, capabilities and goals-emerge from an analysis of the literature. The field and case study evidence allows the development of more precise definitions and descriptions of each of these components. The study also allows a generic responsiveness framework to be developed that incorporates both strategic and operational viewpoints. The need for more field studies on responsiveness is noted. More work is advocated on the assessment and measurement of responsiveness and on developing appropriate responsiveness interventions, particularly with respect to the order fulfilment process.