为了实现对电能质量的精细化评估,提出一种G1-改进拉开档次法(improved scatter degree,ISD)赋权和灰色关联理想解法(grey correlation technique for order preference by similarity to an ideal solution,GC-TOPSIS)分级相结合的电...为了实现对电能质量的精细化评估,提出一种G1-改进拉开档次法(improved scatter degree,ISD)赋权和灰色关联理想解法(grey correlation technique for order preference by similarity to an ideal solution,GC-TOPSIS)分级相结合的电能质量综合评估方法。首先,选取电能质量指标;然后,利用G1法计算电能质量各指标的主观权重,ISD法计算电能质量各指标的客观权重,并且基于最小二乘法构建主客观组合赋权模型,使用拉格朗日算法对组合权重进行求解实现权重的主客观统一;最后,将灰色关联理论引入TOPSIS法中,建立基于新的贴近度指标的电能质量综合评估模型,据此对各监测点的电能质量等级进行排序。算例结果表明所提方法使评估结果更加细致、可靠。展开更多
ISD即教学系统设计模型(Instructional System Design Model),它是以传播理论、学习理论、教学理论为基础,运用系统理论的观点和方法分析学习中的问题和需求,并从中找出最佳答案的一种课程开发模型,注重对培训活动的有效分析、设计、规...ISD即教学系统设计模型(Instructional System Design Model),它是以传播理论、学习理论、教学理论为基础,运用系统理论的观点和方法分析学习中的问题和需求,并从中找出最佳答案的一种课程开发模型,注重对培训活动的有效分析、设计、规划和安排。ISD模型在高校非学历继续教育培训项目中的运用,通过问卷调查法、文献资料法、观察法和访谈法,对培训对象、培训需求、培训内容、培训效果等进行分析,及时了解培训对象的学习动机与需求,可开发出更符合培训对象需求的培训课程,从而提高培训对象的学习积极性和培训质量与效果,有利于促进高校非学历教育培训管理理念与管理模式的创新。展开更多
目的:探究ISD模型指导下医联体基层医院护士急救能力同质化培训对护士急救技能和应急能力的影响。方法:选取丽水市人民医院两家医联体分院的46名护士作为研究对象,成立急救技能培训管理小组,进行ISD模型指导下医联体基层医院护士急救能...目的:探究ISD模型指导下医联体基层医院护士急救能力同质化培训对护士急救技能和应急能力的影响。方法:选取丽水市人民医院两家医联体分院的46名护士作为研究对象,成立急救技能培训管理小组,进行ISD模型指导下医联体基层医院护士急救能力同质化培训的设计与实施。比较培训前后医联体基层医院护士的急救技能、一般自我效能感量表(GSES)、护理培训满意度。结果:培训后基础理论知识和综合能力各项评分明显高于培训前(P Objective: To explore the impact of homogenized training of nurses’ first-aid capacity on nurses’ first-aid skills and emergency capabilities in primary hospitals under the guidance of ISD model in medical consortia. Method: 46 nurses from two medical consortium branches of Lishui People’s Hospital were selected as research subjects, and an emergency skills training management group was established to design and implement the homogenized first-aid skills training for nurses in primary hospitals of the medical consortium guided by the ISD model. First-aid skills, General Self-Efficacy Scale (GSES), and nursing training satisfaction of nurses in primary hospitals of medical consortia were compared before and after training. Result: The scores of basic theoretical knowledge and comprehensive ability after training were significantly higher than those before training (P < 0.005). The scores of emergency handling skills, professional knowledge, cooperation ability and psychological quality after training were significantly higher than those before training (P < 0.001). The GSES score after training was significantly higher than that before training (P < 0.001). After training (under the guidance of ISD model), training time arrangement, training course content, training teachers, training materials and training harvest scores were significantly higher than those before training (P < 0.001). Conclusion: Under the guidance of the ISD model, the homogenization training of nurses’ first-aid skills in primary hospitals of medical consortia can significantly improve their first-aid skills and emergency capabilities and effectively enhance their self-efficacy and nursing training satisfaction.展开更多
为寻找结构简单、性能优越的悬架结构ISD(Inerter Spring Damper),对储能元件、支撑元件及耗能元件按不同位置构建21种工程上可行的拓扑结构,建立通用动力学模型。以簧上质量加速度及轮胎动载为目标进行优化,获得每种结构的元件参数。...为寻找结构简单、性能优越的悬架结构ISD(Inerter Spring Damper),对储能元件、支撑元件及耗能元件按不同位置构建21种工程上可行的拓扑结构,建立通用动力学模型。以簧上质量加速度及轮胎动载为目标进行优化,获得每种结构的元件参数。有12种新型结构性能优于传统悬架,对典型结构分析表明,动力学建模与参数优化方法在ISD悬架设计中具有一般性、通用性。展开更多
利用无源车辆ISD(inerter spring damper)悬架系统可有效抑制车身低频振动的特性,结合经典加速度驱动阻尼(acceleration driven damping,ADD)控制可抑制车身中高频振动的特点,提出基于ADD正实网络的车辆ISD悬架综合优化设计方法,将车辆...利用无源车辆ISD(inerter spring damper)悬架系统可有效抑制车身低频振动的特性,结合经典加速度驱动阻尼(acceleration driven damping,ADD)控制可抑制车身中高频振动的特点,提出基于ADD正实网络的车辆ISD悬架综合优化设计方法,将车辆ISD悬架的宽频域振动抑制问题转化为基于ADD网络综合的正实优化控制问题。分别构建一阶和二阶正实网络的悬架动态模型,基于鱼群算法优化悬架结构参数,仿真分析ADD控制与正实网络的耦合作用机理和正实网络阶次对悬架性能的影响。结果表明:悬架的隔振性能随正实网络阶次的升高而提升,ADD网络综合的方法可以有效的实现车辆ISD悬架的宽频域的振动抑制,进一步拓展车辆ISD悬架主动控制的思路。展开更多
文摘为了实现对电能质量的精细化评估,提出一种G1-改进拉开档次法(improved scatter degree,ISD)赋权和灰色关联理想解法(grey correlation technique for order preference by similarity to an ideal solution,GC-TOPSIS)分级相结合的电能质量综合评估方法。首先,选取电能质量指标;然后,利用G1法计算电能质量各指标的主观权重,ISD法计算电能质量各指标的客观权重,并且基于最小二乘法构建主客观组合赋权模型,使用拉格朗日算法对组合权重进行求解实现权重的主客观统一;最后,将灰色关联理论引入TOPSIS法中,建立基于新的贴近度指标的电能质量综合评估模型,据此对各监测点的电能质量等级进行排序。算例结果表明所提方法使评估结果更加细致、可靠。
文摘ISD即教学系统设计模型(Instructional System Design Model),它是以传播理论、学习理论、教学理论为基础,运用系统理论的观点和方法分析学习中的问题和需求,并从中找出最佳答案的一种课程开发模型,注重对培训活动的有效分析、设计、规划和安排。ISD模型在高校非学历继续教育培训项目中的运用,通过问卷调查法、文献资料法、观察法和访谈法,对培训对象、培训需求、培训内容、培训效果等进行分析,及时了解培训对象的学习动机与需求,可开发出更符合培训对象需求的培训课程,从而提高培训对象的学习积极性和培训质量与效果,有利于促进高校非学历教育培训管理理念与管理模式的创新。
文摘目的:探究ISD模型指导下医联体基层医院护士急救能力同质化培训对护士急救技能和应急能力的影响。方法:选取丽水市人民医院两家医联体分院的46名护士作为研究对象,成立急救技能培训管理小组,进行ISD模型指导下医联体基层医院护士急救能力同质化培训的设计与实施。比较培训前后医联体基层医院护士的急救技能、一般自我效能感量表(GSES)、护理培训满意度。结果:培训后基础理论知识和综合能力各项评分明显高于培训前(P Objective: To explore the impact of homogenized training of nurses’ first-aid capacity on nurses’ first-aid skills and emergency capabilities in primary hospitals under the guidance of ISD model in medical consortia. Method: 46 nurses from two medical consortium branches of Lishui People’s Hospital were selected as research subjects, and an emergency skills training management group was established to design and implement the homogenized first-aid skills training for nurses in primary hospitals of the medical consortium guided by the ISD model. First-aid skills, General Self-Efficacy Scale (GSES), and nursing training satisfaction of nurses in primary hospitals of medical consortia were compared before and after training. Result: The scores of basic theoretical knowledge and comprehensive ability after training were significantly higher than those before training (P < 0.005). The scores of emergency handling skills, professional knowledge, cooperation ability and psychological quality after training were significantly higher than those before training (P < 0.001). The GSES score after training was significantly higher than that before training (P < 0.001). After training (under the guidance of ISD model), training time arrangement, training course content, training teachers, training materials and training harvest scores were significantly higher than those before training (P < 0.001). Conclusion: Under the guidance of the ISD model, the homogenization training of nurses’ first-aid skills in primary hospitals of medical consortia can significantly improve their first-aid skills and emergency capabilities and effectively enhance their self-efficacy and nursing training satisfaction.
文摘为寻找结构简单、性能优越的悬架结构ISD(Inerter Spring Damper),对储能元件、支撑元件及耗能元件按不同位置构建21种工程上可行的拓扑结构,建立通用动力学模型。以簧上质量加速度及轮胎动载为目标进行优化,获得每种结构的元件参数。有12种新型结构性能优于传统悬架,对典型结构分析表明,动力学建模与参数优化方法在ISD悬架设计中具有一般性、通用性。
文摘利用无源车辆ISD(inerter spring damper)悬架系统可有效抑制车身低频振动的特性,结合经典加速度驱动阻尼(acceleration driven damping,ADD)控制可抑制车身中高频振动的特点,提出基于ADD正实网络的车辆ISD悬架综合优化设计方法,将车辆ISD悬架的宽频域振动抑制问题转化为基于ADD网络综合的正实优化控制问题。分别构建一阶和二阶正实网络的悬架动态模型,基于鱼群算法优化悬架结构参数,仿真分析ADD控制与正实网络的耦合作用机理和正实网络阶次对悬架性能的影响。结果表明:悬架的隔振性能随正实网络阶次的升高而提升,ADD网络综合的方法可以有效的实现车辆ISD悬架的宽频域的振动抑制,进一步拓展车辆ISD悬架主动控制的思路。
