Virtual testability demonstration test has many advantages,such as low cost,high efficiency,low risk and few restrictions.It brings new requirements to the fault sample generation.A fault sample simulation approach fo...Virtual testability demonstration test has many advantages,such as low cost,high efficiency,low risk and few restrictions.It brings new requirements to the fault sample generation.A fault sample simulation approach for virtual testability demonstration test based on stochastic process theory is proposed.First,the similarities and differences of fault sample generation between physical testability demonstration test and virtual testability demonstration test are discussed.Second,it is pointed out that the fault occurrence process subject to perfect repair is renewal process.Third,the interarrival time distribution function of the next fault event is given.Steps and flowcharts of fault sample generation are introduced.The number of faults and their occurrence time are obtained by statistical simulation.Finally,experiments are carried out on a stable tracking platform.Because a variety of types of life distributions and maintenance modes are considered and some assumptions are removed,the sample size and structure of fault sample simulation results are more similar to the actual results and more reasonable.The proposed method can effectively guide the fault injection in virtual testability demonstration test.展开更多
A brief account of basic connotation and evaluation indexes system of harmonious leadership teams is given. On this basis, a simulation model is built by using the ARENA simulation software and the quantified simulati...A brief account of basic connotation and evaluation indexes system of harmonious leadership teams is given. On this basis, a simulation model is built by using the ARENA simulation software and the quantified simulation is carried out for the factors of harmonization of aerospace enterprise leadership teams. Moreover, by taking the characteristics of aerospace enterprise leadership teams into consideration, the comparison of harmonization quantified results of several typical leadership teams, especially on the comparative analysis of influencing degrees of moral characters and capabilities on the leadership teams overall harmonization is emphatically discussed. Finally, a conclusion is drawn.展开更多
According to the characteristic of Team Software Process （TSP）, it adopts a hierarchy-based model combined discrete event model with system dynamics model. This model represents TSP as form of two levels, the inner ...According to the characteristic of Team Software Process （TSP）, it adopts a hierarchy-based model combined discrete event model with system dynamics model. This model represents TSP as form of two levels, the inner level embodies the continuity of the software process, the outer embodies the software development process by phases, and the structure and principle of the model is explained in detail, then formalization description of the model is offered. At last, an example is presented to demonstrate the simulation process and result. This model can simulate team software process from various angles, supervise and predict the software process. Also it can make the management of software development become more scientific and improve the quality of software.展开更多
A cooperative control method of multi-class UAV(unmanned air vehicle) team is investigated.During the mission,the UAVs perform search,classification,attack and battle damage assessment(BDA) tasks at various locations,...A cooperative control method of multi-class UAV(unmanned air vehicle) team is investigated.During the mission,the UAVs perform search,classification,attack and battle damage assessment(BDA) tasks at various locations,which involves a combination of the team intelligence type of decision making combined with control,estimate and real-time trajectory optimization.The search-theoretic approach based on rate of return(ROR) maps is developed to get the cooperative search strategy.Templates are developed and views are combined to maximize the probability of correct target identification over various aspect angles.Monte Carle simulation runs for the scenario to evaluate the performance of the approach with various decision parameters,UAVs distributions and UAV team characteristics.Simulation results show that the cooperative behavior can significantly improve the operational effectiveness of UAV team,and the cooperative control allows for near optimal solution of the correlative behavior of a group of UAVs in battlefield.展开更多
"提高医疗质量和患者安全的团队策略与工具包"(Team Strategies and Tools to Enhance Performance and Patient Safety,TeamSTEPPS)团队教学课程,可以将团队合作技能与临床实践有机整合,改善医疗服务中的团队表现,从而提高..."提高医疗质量和患者安全的团队策略与工具包"(Team Strategies and Tools to Enhance Performance and Patient Safety,TeamSTEPPS)团队教学课程,可以将团队合作技能与临床实践有机整合,改善医疗服务中的团队表现,从而提高医疗质量和患者安全。为了研究该课程在麻醉学教学中的应用效果,从2018年12月开始,北京协和医院借助SimMan 3G模拟人开展TeamSTEPPS课程教学,对包括麻醉医师、外科医师、手术护士在内的跨专业团队实施模拟病例培训,对比培训前后学员团队合作认知情况和团队合作态度,并对课程教学效果进行评估。截至2019年12月,共培训48名学员,每名学员接受过2次模拟病例的团队培训,所有学员对课程教学均表示满意。TeamSTEPPS团队教学课程教学可以增强学员团队合作认知和合作态度,为提高麻醉学团队的临床工作能力提供帮助。展开更多
目的:探讨基于团队合作式教学(Team based learning,TBL)的情景模拟法在本科生临床实习中的应用效果。方法:选取在天津中医药大学第一附属医院消化科实习的60名本科医学生作为研究对象,采用随机数表法分为对照组与观察组,每组各30名。...目的:探讨基于团队合作式教学(Team based learning,TBL)的情景模拟法在本科生临床实习中的应用效果。方法:选取在天津中医药大学第一附属医院消化科实习的60名本科医学生作为研究对象,采用随机数表法分为对照组与观察组,每组各30名。对照组学生采用常规临床带教方法,观察组学生实施基于TBL与情景模拟相结合的教学策略。试验前后统一考核基础理论知识、专业技能操作,实习后用问卷调查教学效果。结果:与对照组学生相比,观察组学生技能考核评分显著提高,差异有统计学意义(P<0.05)。两组学生在基础理论知识的考核成绩上相比较,差异无统计学意义(P>0.05)。观察组学生在激发学习兴趣、提高自主学习能力、改善临床思维能力、培养团队合作精神、提高医患交流能力等方面表现更优,差异均有统计学意义(P<0.05)。结论:基于TBL的情景模拟法的教学模式,可以促进医学理论与临床实践的有机结合,不但能有效地激发医学生对临床实习工作的积极性,还能够提高自主学习及临床思维的能力,培养团队合作的精神,增强医患沟通的能力。展开更多
基金National Natural Science Foundation of China(51105369)
文摘Virtual testability demonstration test has many advantages,such as low cost,high efficiency,low risk and few restrictions.It brings new requirements to the fault sample generation.A fault sample simulation approach for virtual testability demonstration test based on stochastic process theory is proposed.First,the similarities and differences of fault sample generation between physical testability demonstration test and virtual testability demonstration test are discussed.Second,it is pointed out that the fault occurrence process subject to perfect repair is renewal process.Third,the interarrival time distribution function of the next fault event is given.Steps and flowcharts of fault sample generation are introduced.The number of faults and their occurrence time are obtained by statistical simulation.Finally,experiments are carried out on a stable tracking platform.Because a variety of types of life distributions and maintenance modes are considered and some assumptions are removed,the sample size and structure of fault sample simulation results are more similar to the actual results and more reasonable.The proposed method can effectively guide the fault injection in virtual testability demonstration test.
文摘A brief account of basic connotation and evaluation indexes system of harmonious leadership teams is given. On this basis, a simulation model is built by using the ARENA simulation software and the quantified simulation is carried out for the factors of harmonization of aerospace enterprise leadership teams. Moreover, by taking the characteristics of aerospace enterprise leadership teams into consideration, the comparison of harmonization quantified results of several typical leadership teams, especially on the comparative analysis of influencing degrees of moral characters and capabilities on the leadership teams overall harmonization is emphatically discussed. Finally, a conclusion is drawn.
基金Supported by the National Defense Basic ResearchFoundation (K1503063165)
文摘According to the characteristic of Team Software Process （TSP）, it adopts a hierarchy-based model combined discrete event model with system dynamics model. This model represents TSP as form of two levels, the inner level embodies the continuity of the software process, the outer embodies the software development process by phases, and the structure and principle of the model is explained in detail, then formalization description of the model is offered. At last, an example is presented to demonstrate the simulation process and result. This model can simulate team software process from various angles, supervise and predict the software process. Also it can make the management of software development become more scientific and improve the quality of software.
文摘A cooperative control method of multi-class UAV(unmanned air vehicle) team is investigated.During the mission,the UAVs perform search,classification,attack and battle damage assessment(BDA) tasks at various locations,which involves a combination of the team intelligence type of decision making combined with control,estimate and real-time trajectory optimization.The search-theoretic approach based on rate of return(ROR) maps is developed to get the cooperative search strategy.Templates are developed and views are combined to maximize the probability of correct target identification over various aspect angles.Monte Carle simulation runs for the scenario to evaluate the performance of the approach with various decision parameters,UAVs distributions and UAV team characteristics.Simulation results show that the cooperative behavior can significantly improve the operational effectiveness of UAV team,and the cooperative control allows for near optimal solution of the correlative behavior of a group of UAVs in battlefield.
文摘"提高医疗质量和患者安全的团队策略与工具包"(Team Strategies and Tools to Enhance Performance and Patient Safety,TeamSTEPPS)团队教学课程,可以将团队合作技能与临床实践有机整合,改善医疗服务中的团队表现,从而提高医疗质量和患者安全。为了研究该课程在麻醉学教学中的应用效果,从2018年12月开始,北京协和医院借助SimMan 3G模拟人开展TeamSTEPPS课程教学,对包括麻醉医师、外科医师、手术护士在内的跨专业团队实施模拟病例培训,对比培训前后学员团队合作认知情况和团队合作态度,并对课程教学效果进行评估。截至2019年12月,共培训48名学员,每名学员接受过2次模拟病例的团队培训,所有学员对课程教学均表示满意。TeamSTEPPS团队教学课程教学可以增强学员团队合作认知和合作态度,为提高麻醉学团队的临床工作能力提供帮助。
文摘目的:探讨基于团队合作式教学(Team based learning,TBL)的情景模拟法在本科生临床实习中的应用效果。方法:选取在天津中医药大学第一附属医院消化科实习的60名本科医学生作为研究对象,采用随机数表法分为对照组与观察组,每组各30名。对照组学生采用常规临床带教方法,观察组学生实施基于TBL与情景模拟相结合的教学策略。试验前后统一考核基础理论知识、专业技能操作,实习后用问卷调查教学效果。结果:与对照组学生相比,观察组学生技能考核评分显著提高,差异有统计学意义(P<0.05)。两组学生在基础理论知识的考核成绩上相比较,差异无统计学意义(P>0.05)。观察组学生在激发学习兴趣、提高自主学习能力、改善临床思维能力、培养团队合作精神、提高医患交流能力等方面表现更优,差异均有统计学意义(P<0.05)。结论:基于TBL的情景模拟法的教学模式,可以促进医学理论与临床实践的有机结合,不但能有效地激发医学生对临床实习工作的积极性,还能够提高自主学习及临床思维的能力,培养团队合作的精神,增强医患沟通的能力。
