ZTE Corporation (ZTE),a leading global provider of telecommunications equipment and network solutions,on February 12,2009,released a unique Unified Open Environment (UOE) platform that will make it easier fortelecom o...ZTE Corporation (ZTE),a leading global provider of telecommunications equipment and network solutions,on February 12,2009,released a unique Unified Open Environment (UOE) platform that will make it easier fortelecom operators展开更多
An on-line electric vehicle(OLEV)uses a wireless charging phenomenon,in which power transmitters are installed beneath the road and the OLEV’s battery is charged remotely.This paper deals with the optimization of two...An on-line electric vehicle(OLEV)uses a wireless charging phenomenon,in which power transmitters are installed beneath the road and the OLEV’s battery is charged remotely.This paper deals with the optimization of two key economic and design parameters,i.e.,the size of the battery and the power transmitters allocation.A complete model configuration of the OLEV system,including the vehicle design and power transmitter,is implemented using MATLAB/Simulink.The battery’s state of charge(SOC)rises and drops according to the vehicle’s velocity and power collection and consumption.The mixed integer programming(MIP)model is used for cost calculation.Therefore,with the help of the SOC graph and MIP model,the battery size and the number of power transmitters,along with their placements,are optimized.The proposed model is applicable to both closed and open environments as it accepts both regulated and deregulated velocities.Two test cases are performed for this purpose.The first test case deals with regulated velocity for which we have applied the KAIST campus OLEV’s velocity along with its 13 kWh battery size and 4 power transmitters,and then applied the suggested solution with the same velocity and route i.e.,8 power transmitters with shorter lengths and reduced battery size(3.25 kWh;one-fourth of the first case).SOC is found within limits at the end of the route,saving$1600 and validating the proposed model in this paper.For the second test case,we use deregulated velocity and optimize both parameters,using the same approach.展开更多
The sharing of geographical analysis models is of crucial importance for simulating geographic processes and phenomena in the current geographical information systems(e.g.Digital Earth),but there remain some issues th...The sharing of geographical analysis models is of crucial importance for simulating geographic processes and phenomena in the current geographical information systems(e.g.Digital Earth),but there remain some issues that have not been completely resolved.The challenges include,eliminating model heterogeneity and searching for suitable infrastructures to support the open sharing and effective execution of models.Taking advantage of cloud computing,this article aims to address the above issues and develop an open environment for geographical analysis model sharing.On the basis of the analysis of the applicability of cloud computing,the architecture of the open environment is proposed.More importantly,key strategies designed for heterogeneous model description,model encapsulating as well as model deploying and transparent accessing in the cloud are discussed in detail to establish such an environment.Finally,the prototype environment is implemented,and experiments were conducted to verify the environment’s feasibility to support the sharing of geographical analysis models.展开更多
The diffusion process in an external noise-activated non-equilibrium open system–reservoir coupling environment is studied by analytically solving the generalized Langevin equation. The dynamical property of the syst...The diffusion process in an external noise-activated non-equilibrium open system–reservoir coupling environment is studied by analytically solving the generalized Langevin equation. The dynamical property of the system near the barrier top is investigated in detail by numerically calculating the quantities such as mean diffusion path, invariance, barrier passing probability, and so on. It is found that, comparing with the unfavorable effect of internal fluctuations, the external noise activation is sometimes beneficial to the diffusion process. An optimal strength of external activation or correlation time of the internal fluctuation is expected for the diffusing particle to have a maximal probability to escape from the potential well.展开更多
This paper aims to examine the phenomenon of commodification of traditional open space into commodities which results in the destruction of environmental ethics. Environmental ethics places restrictions on freedom in ...This paper aims to examine the phenomenon of commodification of traditional open space into commodities which results in the destruction of environmental ethics. Environmental ethics places restrictions on freedom in exercising ownership rights and pays more attention to ethical obligations to the environment. The anthropocentric approach should be avoided because it only sees the environment from its commercial angles to satisfy human interests. This research critically describes the reality of the utilization of traditional open spaces in Ubud to become an economic space. The rapid influence of global culture has implications for the practices of capitalist culture within the frame of the tourism industry, resulting in cultural industries, popular culture, hedonic lifestyles and consumerism. This study used a qualitative method. The data was obtained through observation, interviews, literature studies, and documents. The results of the study revealed how traditional open spaces were produced, distributed and consumed by the market. Traditional open spaces were commercialized, traded like goods and services. Traditional open spaces, such as paddy fields, cliffs, telajakan (front part of the house complex), city parks, domestic properties, backyards, cemeteries have been turned into economic spaces to satisfy the taste of tourists. Space is controlled and commodified by capital owners to feed their economic libido while disobeying environmental ethics.展开更多
文摘ZTE Corporation (ZTE),a leading global provider of telecommunications equipment and network solutions,on February 12,2009,released a unique Unified Open Environment (UOE) platform that will make it easier fortelecom operators
文摘An on-line electric vehicle(OLEV)uses a wireless charging phenomenon,in which power transmitters are installed beneath the road and the OLEV’s battery is charged remotely.This paper deals with the optimization of two key economic and design parameters,i.e.,the size of the battery and the power transmitters allocation.A complete model configuration of the OLEV system,including the vehicle design and power transmitter,is implemented using MATLAB/Simulink.The battery’s state of charge(SOC)rises and drops according to the vehicle’s velocity and power collection and consumption.The mixed integer programming(MIP)model is used for cost calculation.Therefore,with the help of the SOC graph and MIP model,the battery size and the number of power transmitters,along with their placements,are optimized.The proposed model is applicable to both closed and open environments as it accepts both regulated and deregulated velocities.Two test cases are performed for this purpose.The first test case deals with regulated velocity for which we have applied the KAIST campus OLEV’s velocity along with its 13 kWh battery size and 4 power transmitters,and then applied the suggested solution with the same velocity and route i.e.,8 power transmitters with shorter lengths and reduced battery size(3.25 kWh;one-fourth of the first case).SOC is found within limits at the end of the route,saving$1600 and validating the proposed model in this paper.For the second test case,we use deregulated velocity and optimize both parameters,using the same approach.
基金The work described in this article was supported by the Key Program of National Natural Science Foundation of China(Grant No.40730527)the National Natural Science Foundation of China(Grant No.41001223,Grant No.41101439)the open fund from the Guangdong Key Laboratory for Urbanization and Geo-simulation in Sun Yat-sen University.
文摘The sharing of geographical analysis models is of crucial importance for simulating geographic processes and phenomena in the current geographical information systems(e.g.Digital Earth),but there remain some issues that have not been completely resolved.The challenges include,eliminating model heterogeneity and searching for suitable infrastructures to support the open sharing and effective execution of models.Taking advantage of cloud computing,this article aims to address the above issues and develop an open environment for geographical analysis model sharing.On the basis of the analysis of the applicability of cloud computing,the architecture of the open environment is proposed.More importantly,key strategies designed for heterogeneous model description,model encapsulating as well as model deploying and transparent accessing in the cloud are discussed in detail to establish such an environment.Finally,the prototype environment is implemented,and experiments were conducted to verify the environment’s feasibility to support the sharing of geographical analysis models.
基金the Natural Science Foundation for Youths of Shandong Province,China(Grant No.ZR2011AQ016)the Postdoctoral Innovation Program Foundation of Shandong Province,China(Grant No.201002015)
文摘The diffusion process in an external noise-activated non-equilibrium open system–reservoir coupling environment is studied by analytically solving the generalized Langevin equation. The dynamical property of the system near the barrier top is investigated in detail by numerically calculating the quantities such as mean diffusion path, invariance, barrier passing probability, and so on. It is found that, comparing with the unfavorable effect of internal fluctuations, the external noise activation is sometimes beneficial to the diffusion process. An optimal strength of external activation or correlation time of the internal fluctuation is expected for the diffusing particle to have a maximal probability to escape from the potential well.
文摘This paper aims to examine the phenomenon of commodification of traditional open space into commodities which results in the destruction of environmental ethics. Environmental ethics places restrictions on freedom in exercising ownership rights and pays more attention to ethical obligations to the environment. The anthropocentric approach should be avoided because it only sees the environment from its commercial angles to satisfy human interests. This research critically describes the reality of the utilization of traditional open spaces in Ubud to become an economic space. The rapid influence of global culture has implications for the practices of capitalist culture within the frame of the tourism industry, resulting in cultural industries, popular culture, hedonic lifestyles and consumerism. This study used a qualitative method. The data was obtained through observation, interviews, literature studies, and documents. The results of the study revealed how traditional open spaces were produced, distributed and consumed by the market. Traditional open spaces were commercialized, traded like goods and services. Traditional open spaces, such as paddy fields, cliffs, telajakan (front part of the house complex), city parks, domestic properties, backyards, cemeteries have been turned into economic spaces to satisfy the taste of tourists. Space is controlled and commodified by capital owners to feed their economic libido while disobeying environmental ethics.