中国建筑业传统施工面临高污染、高成本和低效率等问题,而装配式技术可以缓解传统施工面临的困境。中国国土面积庞大,各省份之间装配式发展存在较大差异,通过对装配式发展相关政策分析,构建出5个维度的评价指标体系。运用决策试验与评...中国建筑业传统施工面临高污染、高成本和低效率等问题,而装配式技术可以缓解传统施工面临的困境。中国国土面积庞大,各省份之间装配式发展存在较大差异,通过对装配式发展相关政策分析,构建出5个维度的评价指标体系。运用决策试验与评价实验室(decision-making trial and evaluation laboratory,DEMATEL)法、层次分析法(analysis hierarchy process,AHP)和逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS)评价方法对我国西南地区5个省份的装配式建筑发展水平进行评价和分析。研究发现,西南地区装配式建筑发展差异性显著,其中四川省装配式建筑发展最好,而云南省落后于其他省份,相对薄弱。展开更多
With the rapid development and application of energy harvesting technology,it has become a prominent research area due to its significant benefits in terms of green environmental protection,convenience,and high safety...With the rapid development and application of energy harvesting technology,it has become a prominent research area due to its significant benefits in terms of green environmental protection,convenience,and high safety and efficiency.However,the uneven energy collection and consumption among IoT devices at varying distances may lead to resource imbalance within energy harvesting networks,thereby resulting in low energy transmission efficiency.To enhance the energy transmission efficiency of IoT devices in energy harvesting,this paper focuses on the utilization of collaborative communication,along with pricing-based incentive mechanisms and auction strategies.We propose a dynamic relay selection scheme,including a ladder pricing mechanism based on energy level and a Kuhn-Munkre Algorithm based on an auction theory employing a negotiation mechanism,to encourage more IoT devices to participate in the collaboration process.Simulation results demonstrate that the proposed algorithm outperforms traditional algorithms in terms of improving the energy efficiency of the system.展开更多
文摘中国建筑业传统施工面临高污染、高成本和低效率等问题,而装配式技术可以缓解传统施工面临的困境。中国国土面积庞大,各省份之间装配式发展存在较大差异,通过对装配式发展相关政策分析,构建出5个维度的评价指标体系。运用决策试验与评价实验室(decision-making trial and evaluation laboratory,DEMATEL)法、层次分析法(analysis hierarchy process,AHP)和逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS)评价方法对我国西南地区5个省份的装配式建筑发展水平进行评价和分析。研究发现,西南地区装配式建筑发展差异性显著,其中四川省装配式建筑发展最好,而云南省落后于其他省份,相对薄弱。
基金funded by the Researchers Supporting Project Number RSPD2024R681,King Saud University,Riyadh,Saudi Arabia.
文摘With the rapid development and application of energy harvesting technology,it has become a prominent research area due to its significant benefits in terms of green environmental protection,convenience,and high safety and efficiency.However,the uneven energy collection and consumption among IoT devices at varying distances may lead to resource imbalance within energy harvesting networks,thereby resulting in low energy transmission efficiency.To enhance the energy transmission efficiency of IoT devices in energy harvesting,this paper focuses on the utilization of collaborative communication,along with pricing-based incentive mechanisms and auction strategies.We propose a dynamic relay selection scheme,including a ladder pricing mechanism based on energy level and a Kuhn-Munkre Algorithm based on an auction theory employing a negotiation mechanism,to encourage more IoT devices to participate in the collaboration process.Simulation results demonstrate that the proposed algorithm outperforms traditional algorithms in terms of improving the energy efficiency of the system.