This research attempts to devise a multistage and multiproduct short-term integrative production plan that can dynamically change based on the order priority and virtual occupancy for application in steel plants. Cons...This research attempts to devise a multistage and multiproduct short-term integrative production plan that can dynamically change based on the order priority and virtual occupancy for application in steel plants. Considering factors such as the delivery time, varietal compatibility between different products, production capacity of variety per hour, minimum or maximum batch size, and transfer time, we propose an available production capacity network with varietal compatibility and virtual occupancy for enhancing production plan implementation and quick adjustment in the case of dynamic production changes. Here available means the remaining production capacity after virtual occupancy.To quickly build an available production capacity network and increase the speed of algorithm solving, constraint selection and cutting methods with order priority were used for model solving. Finally, the genetic algorithm improved with local search was used to optimize the proposed production plan and significantly reduce the order delay rate. The validity of the proposed model and algorithm was numerically verified by simulating actual production practices. The simulation results demonstrate that the model and improved algorithm result in an effective production plan.展开更多
A secondary indexes system is constructed by using the SERVQUAL model of the service satisfaction measurement and combining the basic principles of financial service as well as its ＂tolerance zones＂ . All kinds of f...A secondary indexes system is constructed by using the SERVQUAL model of the service satisfaction measurement and combining the basic principles of financial service as well as its ＂tolerance zones＂ . All kinds of financial service satisfaction indexes are analyzed and tested empirically in Shanghai and other major emerging financial centers, and it is concluded that emerging financial centers are in a disadvantage position of the financial service level as a whole in comparison with the mature international financial centers, while Shanghai is demanded to make an improvement in the credibility of financial services and the professional knowledge reserve of service personnel in comparison with other emerging financial centers.展开更多
This study conducts field research on property management in two representative residential communities in Jing’an District,Shanghai,followed by data analysis and model development.It establishes four interrelated ma...This study conducts field research on property management in two representative residential communities in Jing’an District,Shanghai,followed by data analysis and model development.It establishes four interrelated mathematical models concerning the opti mal allocation of property management personnel,pricing strategy of property management fees,customer satisfaction with property management services,and the mechanism for price adjustments.First,the allocation of property management personnel should b e determined based on both the characteristics of the project and the service requirements of the client(developer or homeowners'association).This implies that personnel deployment must align with the specific tasks,frequency,and standards of property management for the given project.Second,by analyzing the cost structure of property management,a pricing model for management fees is constructed based on the optimized personnel allocation model and cost components.Next,a mathematical model of custo mer satisfaction with property management services is developed and linked to the pricing model to explore their interdependence.Finally,the study investigates the adjustment of property service prices,aiming to systematically examine the factors influe ncing homeowners’responses to price changes.On this basis,the price adjustment model and process are optimized,with the ultimate goal of effectively guiding the property service market toward a dynamic a nd responsive pricing mechanism.展开更多
基金financially supported by the National Natural Science Foundation of China (No.51274043)。
文摘This research attempts to devise a multistage and multiproduct short-term integrative production plan that can dynamically change based on the order priority and virtual occupancy for application in steel plants. Considering factors such as the delivery time, varietal compatibility between different products, production capacity of variety per hour, minimum or maximum batch size, and transfer time, we propose an available production capacity network with varietal compatibility and virtual occupancy for enhancing production plan implementation and quick adjustment in the case of dynamic production changes. Here available means the remaining production capacity after virtual occupancy.To quickly build an available production capacity network and increase the speed of algorithm solving, constraint selection and cutting methods with order priority were used for model solving. Finally, the genetic algorithm improved with local search was used to optimize the proposed production plan and significantly reduce the order delay rate. The validity of the proposed model and algorithm was numerically verified by simulating actual production practices. The simulation results demonstrate that the model and improved algorithm result in an effective production plan.
文摘A secondary indexes system is constructed by using the SERVQUAL model of the service satisfaction measurement and combining the basic principles of financial service as well as its ＂tolerance zones＂ . All kinds of financial service satisfaction indexes are analyzed and tested empirically in Shanghai and other major emerging financial centers, and it is concluded that emerging financial centers are in a disadvantage position of the financial service level as a whole in comparison with the mature international financial centers, while Shanghai is demanded to make an improvement in the credibility of financial services and the professional knowledge reserve of service personnel in comparison with other emerging financial centers.
文摘This study conducts field research on property management in two representative residential communities in Jing’an District,Shanghai,followed by data analysis and model development.It establishes four interrelated mathematical models concerning the opti mal allocation of property management personnel,pricing strategy of property management fees,customer satisfaction with property management services,and the mechanism for price adjustments.First,the allocation of property management personnel should b e determined based on both the characteristics of the project and the service requirements of the client(developer or homeowners'association).This implies that personnel deployment must align with the specific tasks,frequency,and standards of property management for the given project.Second,by analyzing the cost structure of property management,a pricing model for management fees is constructed based on the optimized personnel allocation model and cost components.Next,a mathematical model of custo mer satisfaction with property management services is developed and linked to the pricing model to explore their interdependence.Finally,the study investigates the adjustment of property service prices,aiming to systematically examine the factors influe ncing homeowners’responses to price changes.On this basis,the price adjustment model and process are optimized,with the ultimate goal of effectively guiding the property service market toward a dynamic a nd responsive pricing mechanism.
