为了有效地对装配式建筑项目施工安全进行评价,分析了影响装配式建筑施工安全的主要因素,构建了一套装配式建筑施工安全评价指标体系。基于G1法和熵权的组合赋权改进了优劣解距离法(Technique for Order Preference by Similarity to an...为了有效地对装配式建筑项目施工安全进行评价,分析了影响装配式建筑施工安全的主要因素,构建了一套装配式建筑施工安全评价指标体系。基于G1法和熵权的组合赋权改进了优劣解距离法(Technique for Order Preference by Similarity to an Ideal Solution,TOPSIS),构建了装配式建筑项目安全评价体系模型。并通过实例分析,证实了该模型在装配式建筑项目施工安全评价中具有较好的实用性和可行性,从而为企业实施装配式建筑施工安全评价研究提供了一定的参考依据。展开更多
To effectively quantify the impact of distributed photovoltaic(PV)access on the distribution network,this paper proposes a comprehensive evaluation method of distributed PV grid connection combining subjective and obj...To effectively quantify the impact of distributed photovoltaic(PV)access on the distribution network,this paper proposes a comprehensive evaluation method of distributed PV grid connection combining subjective and objective combination of assignment and technique for order preference by similarity to an ideal solution(TOPSIS)—rank sum ratio(RSR)(TOPSIS-RSR)method.Based on the traditional distribution network evaluation system,a comprehensive evaluation system has been constructed.It fully considers the new development requirements of distributed PV access on the environmental friendliness and absorptive capacity of the distribution grid and comprehensively reflects the impact of distributed PV grid connection.The analytic hierarchy process(AHP)was used to determine the subjective weights of the primary indicators,and the Spearman consistency test was combined to determine the weights of the secondary indicators based on three objective assignment methods.The subjective and objective combination weights of each assessment indicator were calculated through the principle of minimum entropy.Calculate the distance between the indicators to be evaluated and the positive and negative ideal solutions,the relative closeness ranking,and qualitative binning by TOPSIS-RSR method to obtain the comprehensive evaluation results of different scenarios.By setting up different PV grid-connected scenarios and utilizing the IEEE33 node simulation algorithm,the correctness and effectiveness of the proposed subject-object combination assignment and integrated assessment method are verified.展开更多
以无人驾驶小巴为代表的客运自动驾驶工具在公交微循环中发挥着重要作用,为实现无人驾驶技术的商业化规模运用,除了传统的车辆性能测试外,还需评估其在复杂场景下的表现。由于测试数据缺乏,评价模型适用场景单一和评价方法主观等问题,...以无人驾驶小巴为代表的客运自动驾驶工具在公交微循环中发挥着重要作用,为实现无人驾驶技术的商业化规模运用,除了传统的车辆性能测试外,还需评估其在复杂场景下的表现。由于测试数据缺乏,评价模型适用场景单一和评价方法主观等问题,导致以往评价偏差较大。本文针对无人驾驶小巴的表现构建综合评价体系,并在实测数据的基础上,采用博弈论组合赋权的优劣解距离法(Technique for Order Preference by Similarity to Ideal Solution,TOPSIS)模型,对车辆在复杂场景下的表现进行综合评价。选取驾驶安全性、乘坐舒适性、车辆智能性及车辆高效性这4个评价维度,并细分为12个客观评价指标。首先,通过实地测试采集无人驾驶小巴在运行场景中的数据;其次,利用基于博弈论的组合赋权法,对层次分析法和熵权法获得的权重进行组合;最后,为验证模型的有效性,运用TOPSIS模型对3条具有不同复杂度的测试路线进行综合评价值的计算。结果显示,无人驾驶小巴表现评价中,准则层的重要程度排序为车辆智能性、驾驶安全性、乘坐舒适性、车辆高效性,指标层敏感指标则为自动驾驶状态、平均角速度。基于博弈论组合赋权的TOPSIS模型对不同场景复杂度路线进行的无人驾驶小巴表现评价结果与实际运行情况一致,展示了方法的有效性。展开更多
文摘为了有效地对装配式建筑项目施工安全进行评价,分析了影响装配式建筑施工安全的主要因素,构建了一套装配式建筑施工安全评价指标体系。基于G1法和熵权的组合赋权改进了优劣解距离法(Technique for Order Preference by Similarity to an Ideal Solution,TOPSIS),构建了装配式建筑项目安全评价体系模型。并通过实例分析,证实了该模型在装配式建筑项目施工安全评价中具有较好的实用性和可行性,从而为企业实施装配式建筑施工安全评价研究提供了一定的参考依据。
基金support of the project“State Grid Corporation Headquarters Science and Technology Program(5108-202299258A-1-0-ZB)”.
文摘To effectively quantify the impact of distributed photovoltaic(PV)access on the distribution network,this paper proposes a comprehensive evaluation method of distributed PV grid connection combining subjective and objective combination of assignment and technique for order preference by similarity to an ideal solution(TOPSIS)—rank sum ratio(RSR)(TOPSIS-RSR)method.Based on the traditional distribution network evaluation system,a comprehensive evaluation system has been constructed.It fully considers the new development requirements of distributed PV access on the environmental friendliness and absorptive capacity of the distribution grid and comprehensively reflects the impact of distributed PV grid connection.The analytic hierarchy process(AHP)was used to determine the subjective weights of the primary indicators,and the Spearman consistency test was combined to determine the weights of the secondary indicators based on three objective assignment methods.The subjective and objective combination weights of each assessment indicator were calculated through the principle of minimum entropy.Calculate the distance between the indicators to be evaluated and the positive and negative ideal solutions,the relative closeness ranking,and qualitative binning by TOPSIS-RSR method to obtain the comprehensive evaluation results of different scenarios.By setting up different PV grid-connected scenarios and utilizing the IEEE33 node simulation algorithm,the correctness and effectiveness of the proposed subject-object combination assignment and integrated assessment method are verified.
文摘以无人驾驶小巴为代表的客运自动驾驶工具在公交微循环中发挥着重要作用,为实现无人驾驶技术的商业化规模运用,除了传统的车辆性能测试外,还需评估其在复杂场景下的表现。由于测试数据缺乏,评价模型适用场景单一和评价方法主观等问题,导致以往评价偏差较大。本文针对无人驾驶小巴的表现构建综合评价体系,并在实测数据的基础上,采用博弈论组合赋权的优劣解距离法(Technique for Order Preference by Similarity to Ideal Solution,TOPSIS)模型,对车辆在复杂场景下的表现进行综合评价。选取驾驶安全性、乘坐舒适性、车辆智能性及车辆高效性这4个评价维度,并细分为12个客观评价指标。首先,通过实地测试采集无人驾驶小巴在运行场景中的数据;其次,利用基于博弈论的组合赋权法,对层次分析法和熵权法获得的权重进行组合;最后,为验证模型的有效性,运用TOPSIS模型对3条具有不同复杂度的测试路线进行综合评价值的计算。结果显示,无人驾驶小巴表现评价中,准则层的重要程度排序为车辆智能性、驾驶安全性、乘坐舒适性、车辆高效性,指标层敏感指标则为自动驾驶状态、平均角速度。基于博弈论组合赋权的TOPSIS模型对不同场景复杂度路线进行的无人驾驶小巴表现评价结果与实际运行情况一致,展示了方法的有效性。
