The urban resilience concept was introduced in 2016 as a key concept in the Habitat III New Urban Agenda for the next 20 years.We wonder how this urban resilience concept was elaborated and who influenced it the most?...The urban resilience concept was introduced in 2016 as a key concept in the Habitat III New Urban Agenda for the next 20 years.We wonder how this urban resilience concept was elaborated and who influenced it the most?The preparatory events structured several stakeholders’networks.The relations between stakeholders allowed the flow of ideas in the consultation and production process.Some influential stakeholders strongly oriented definition of urban resilience concepts by taking power in the networking process of the consecutive meetings.The paper analyzes the network of stakeholders/concepts,during the building process between 2012 and 2016(5,539 discourses from 290 stakeholders,in 357 events).The application of textual mining and machine learning topic modelling algorithm exposed the structure of the principal topics for building the concept of urban resilience,and presented how relations of main stakeholders with funders was crucial for the investment in policy interventions.Therefore,we underlined for the first time in an empirical way,different kinds of actors’power in the construction process that supported the Habitat III resilience concept.We demonstrated how far some official stakeholders,but also external and private ones,oriented the construction of ideologies to validate the knowledge that supported the related actions in laboratory cities.展开更多
Continuous power supply of urban power networks(UPNs)is quite essential for the public security of a city because the UPN acts as the basis for other infrastructure networks.In recent years,UPN is threatened by extrem...Continuous power supply of urban power networks(UPNs)is quite essential for the public security of a city because the UPN acts as the basis for other infrastructure networks.In recent years,UPN is threatened by extreme weather events.An accurate modeling of load loss risk under extreme weather is quite essential for the preventive action of UPN.Con-sidering the forecast intensity of a typhoon disaster,this paper proposes analytical modeling of disaster-induced load loss for preventive allocation of mobile power sources(MPSs)in UPNs.First,based on the topological structure and fragility model of overhead lines and substations,we establish an analytical load loss model of multi-voltage-level UPN to quantify the spatial dis-tribution of disaster-induced load loss at the substation level.Second,according to the projected load loss distribution,a preventive allocation method of MPS is proposed,which makes the best use of MPS and dispatches the limited power supply to most vulnerable areas in the UPN.Finally,the proposed meth-od is validated by the case study of a practical UPN in China.展开更多
According to the population, area and economy development of Shanghai City, this paper introduces the load forecast of the city and points out that the development of urban power network should adapt the development o...According to the population, area and economy development of Shanghai City, this paper introduces the load forecast of the city and points out that the development of urban power network should adapt the development of its economy. In this paper, the developing targets of Shanghai power network are also presented.展开更多
文摘The urban resilience concept was introduced in 2016 as a key concept in the Habitat III New Urban Agenda for the next 20 years.We wonder how this urban resilience concept was elaborated and who influenced it the most?The preparatory events structured several stakeholders’networks.The relations between stakeholders allowed the flow of ideas in the consultation and production process.Some influential stakeholders strongly oriented definition of urban resilience concepts by taking power in the networking process of the consecutive meetings.The paper analyzes the network of stakeholders/concepts,during the building process between 2012 and 2016(5,539 discourses from 290 stakeholders,in 357 events).The application of textual mining and machine learning topic modelling algorithm exposed the structure of the principal topics for building the concept of urban resilience,and presented how relations of main stakeholders with funders was crucial for the investment in policy interventions.Therefore,we underlined for the first time in an empirical way,different kinds of actors’power in the construction process that supported the Habitat III resilience concept.We demonstrated how far some official stakeholders,but also external and private ones,oriented the construction of ideologies to validate the knowledge that supported the related actions in laboratory cities.
基金supported by National Natural Science Foundation of China(No.52307094).
文摘Continuous power supply of urban power networks(UPNs)is quite essential for the public security of a city because the UPN acts as the basis for other infrastructure networks.In recent years,UPN is threatened by extreme weather events.An accurate modeling of load loss risk under extreme weather is quite essential for the preventive action of UPN.Con-sidering the forecast intensity of a typhoon disaster,this paper proposes analytical modeling of disaster-induced load loss for preventive allocation of mobile power sources(MPSs)in UPNs.First,based on the topological structure and fragility model of overhead lines and substations,we establish an analytical load loss model of multi-voltage-level UPN to quantify the spatial dis-tribution of disaster-induced load loss at the substation level.Second,according to the projected load loss distribution,a preventive allocation method of MPS is proposed,which makes the best use of MPS and dispatches the limited power supply to most vulnerable areas in the UPN.Finally,the proposed meth-od is validated by the case study of a practical UPN in China.
文摘According to the population, area and economy development of Shanghai City, this paper introduces the load forecast of the city and points out that the development of urban power network should adapt the development of its economy. In this paper, the developing targets of Shanghai power network are also presented.
