Civic groups refer to various organizational forms and their networks spontaneously established by citizens from all walks of society and to some extent they are usually of non-profit,nongovernmental,self-governance,o...Civic groups refer to various organizational forms and their networks spontaneously established by citizens from all walks of society and to some extent they are usually of non-profit,nongovernmental,self-governance,organizational and voluntary features.1 The words'civic groups'were of the same origin with展开更多
Reporter: What is the development goal for Shanghai World Expo (Group) Co., Ltd.? Mr. Chen Xianjin: Our goal lies in 2 aspects: one is how to hold a successful world expo; the other is how to achieve World Expo Group ...Reporter: What is the development goal for Shanghai World Expo (Group) Co., Ltd.? Mr. Chen Xianjin: Our goal lies in 2 aspects: one is how to hold a successful world expo; the other is how to achieve World Expo Group into a 1st-class enterprise in China with most competitiveness. The 2 goals take overall development of Shanghai into consideration, while Shanghai展开更多
In reentrant production,decision makers need to consider whether the part should be discarded or reprocessed.It involves the production and time cost that is required by reprocessing.Therefore,an efficient and feasibl...In reentrant production,decision makers need to consider whether the part should be discarded or reprocessed.It involves the production and time cost that is required by reprocessing.Therefore,an efficient and feasible assignment method is required for reentrant production.To tackle this issue,we use the Environments-Classes,Agents,Roles,Groups,and Objects model to formalize this problem.A novel solution is designed for Reentrant Production by extending the Group Role Assignment(GRA)problem model to solve the GRA with Balance problem.With this proposed solution,we can get an allocation scheme that takes into account multi-objective optimization and Pareto equilibrium between average performance of the whole reprocessing system and high defect rate parts.Finally,large-scale simulation experiments based on the Python PuLP platform are carried out to demonstrate the practicability and robustness of the proposed solution.The simulation results provide a solid decision-making reference for the manufacturer.展开更多
文摘Civic groups refer to various organizational forms and their networks spontaneously established by citizens from all walks of society and to some extent they are usually of non-profit,nongovernmental,self-governance,organizational and voluntary features.1 The words'civic groups'were of the same origin with
文摘Reporter: What is the development goal for Shanghai World Expo (Group) Co., Ltd.? Mr. Chen Xianjin: Our goal lies in 2 aspects: one is how to hold a successful world expo; the other is how to achieve World Expo Group into a 1st-class enterprise in China with most competitiveness. The 2 goals take overall development of Shanghai into consideration, while Shanghai
基金supported by the National Key Research and Development Program of China No.2022YFB3304400Natural Sciences and Engineering Research Council of Canada(NSERC)under Grant DDG-2024-00036.
文摘In reentrant production,decision makers need to consider whether the part should be discarded or reprocessed.It involves the production and time cost that is required by reprocessing.Therefore,an efficient and feasible assignment method is required for reentrant production.To tackle this issue,we use the Environments-Classes,Agents,Roles,Groups,and Objects model to formalize this problem.A novel solution is designed for Reentrant Production by extending the Group Role Assignment(GRA)problem model to solve the GRA with Balance problem.With this proposed solution,we can get an allocation scheme that takes into account multi-objective optimization and Pareto equilibrium between average performance of the whole reprocessing system and high defect rate parts.Finally,large-scale simulation experiments based on the Python PuLP platform are carried out to demonstrate the practicability and robustness of the proposed solution.The simulation results provide a solid decision-making reference for the manufacturer.
