The assessment and analysis of railway infra structure capacity is an essential task in railway infra structure management carried out to meet the required quality and capacity demand of railway transport. For sustain...The assessment and analysis of railway infra structure capacity is an essential task in railway infra structure management carried out to meet the required quality and capacity demand of railway transport. For sustainable and dependable infrastructure management, it is important to assess railway capacity limitation from the point of view of infrastructure performance. However, the existence of numerous performance indicators often leads to diffused information that is not in a format suitable to support decision making. In this paper, we demonstrated the use of fuzzy inference system for aggregating selected railway infrastructure performance indicators to relate maintenance function to capacity situation. The selected indicators consider the safety, comfort, punctuality and reliability aspects of railway infrastructure performance. The resulting composite indicator gives a reliable quanti fication of the health condition or integrity of railway lines. A case study of the assessment of overall infrastructure performance which is an indication of capacity limitation is presented using indicator data between 2010 and 2012 for five lines on the network of Trafikverket （Swedish Trans port Administration）. The results are presented using cus tomised performance dashboard for enhanced visualisation,quick understanding and relevant comparison structure conditions for strategic management. This gives additional information on capacity status and limitation from maintenance management perspective.展开更多
对公共研发投入的科技活动开展经济影响评估是发达国家政府普遍做法。选取了欧盟框架计划(Framework Programmes,FP)、人类基因组计划(Human Genome Project,HGP)、加拿大自然科学与工程理事会(Natural Sciences and Engineering Resear...对公共研发投入的科技活动开展经济影响评估是发达国家政府普遍做法。选取了欧盟框架计划(Framework Programmes,FP)、人类基因组计划(Human Genome Project,HGP)、加拿大自然科学与工程理事会(Natural Sciences and Engineering Research Council of Canada,NSERC)合作研发计划和美国国家标准与技术研究院(National Institute of Standards and Technology,NIST)研发项目的经济影响评估实践。具体分析了4个评估实践的经济影响评估逻辑框架、反事实分析、经济计量方法和选用指标。研究发现,完整的评估逻辑框架,科学的评估设计,成熟的经济计量模型和完备的指标数据等是经济影响评估的重要因素。通过国际评估实践分析与总结为中国国家科技计划影响评估提供经验借鉴。展开更多
基金financial support of Trafikverket and Lulea Railway Research Centre
文摘The assessment and analysis of railway infra structure capacity is an essential task in railway infra structure management carried out to meet the required quality and capacity demand of railway transport. For sustainable and dependable infrastructure management, it is important to assess railway capacity limitation from the point of view of infrastructure performance. However, the existence of numerous performance indicators often leads to diffused information that is not in a format suitable to support decision making. In this paper, we demonstrated the use of fuzzy inference system for aggregating selected railway infrastructure performance indicators to relate maintenance function to capacity situation. The selected indicators consider the safety, comfort, punctuality and reliability aspects of railway infrastructure performance. The resulting composite indicator gives a reliable quanti fication of the health condition or integrity of railway lines. A case study of the assessment of overall infrastructure performance which is an indication of capacity limitation is presented using indicator data between 2010 and 2012 for five lines on the network of Trafikverket （Swedish Trans port Administration）. The results are presented using cus tomised performance dashboard for enhanced visualisation,quick understanding and relevant comparison structure conditions for strategic management. This gives additional information on capacity status and limitation from maintenance management perspective.
文摘对公共研发投入的科技活动开展经济影响评估是发达国家政府普遍做法。选取了欧盟框架计划(Framework Programmes,FP)、人类基因组计划(Human Genome Project,HGP)、加拿大自然科学与工程理事会(Natural Sciences and Engineering Research Council of Canada,NSERC)合作研发计划和美国国家标准与技术研究院(National Institute of Standards and Technology,NIST)研发项目的经济影响评估实践。具体分析了4个评估实践的经济影响评估逻辑框架、反事实分析、经济计量方法和选用指标。研究发现,完整的评估逻辑框架,科学的评估设计,成熟的经济计量模型和完备的指标数据等是经济影响评估的重要因素。通过国际评估实践分析与总结为中国国家科技计划影响评估提供经验借鉴。
