Effects of light and temperature conditions on flowering in Mat Rush

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Simulating the operation action of an asynchronized turbogenerator under loss of excitation

1.IntroductionWhentheexcitationfieldofaconventionalgenera-torislostandconsequentout-of-stepconditionsoccur,theresultanthighcurrentsandpulsatingtorquecandamagethegeneratorundersomeconditions.Alsothepowersystemcanbeimpactedbyabnormallevelsofcyclicswingsofpower,varsandvoltages.Butatthelossofexcitationatbothwindings(dandqaxes)oronewindingoftherotor,anasynchronizedturbo-generator(ASTG)canbeautomaticallydrivenintoanasynchronousmodeofoperationorintoasingleaxissynchronousmodeofoperationwithoutapower…     

Simulating variation in order to learn classroom management

Classroom management is an important part of learning to be a teacher. The variation theory of learning provides the insight that it is important to vary the critical aspects of any task or subject that is to be learned. Simulation technology is useful in order to provide a controlled environment for that variation, and text as a medium gives the opportunity to control exactly what aspects are presented to the learner. This study shows that text-based simulation has the potential to help the learner discern critical aspects of classroom management.     

Teaching Confidence Intervals Using Simulation

Confidence intervals are difficult to teach, in part because most students appear to believe they understand how to interpret them intuitively. They rarely do. To help them abandon their misconception and achieve understanding, we have developed a simulation tool that encourages experimentation with multiple confidence intervals derived from the same population.     

仿真软件在数控编程课程教学中的应用

数控编程课程是一门理论性与实践性非常强的课程,课程教学目的是培养学生能够掌握一定的编程与操作的技能。在本课程的教学中,笔者将仿真软件应用到数控编程的教学中。实践表明这种教学方式,不仅可以使教师更方便、生动地完成教学任务,而且提高了学生的课堂学习兴趣,锻炼了学生的动手能力,达到了本课程预期的教学效果。     

基于智能化的传感器教学实验的仿真系统

基于智能化的传感器教学实验仿真系统是为辅助传感器测量与虚拟仪器实践教学平台的使用而设计的仿真测量软件系统，它由Access软件和LabVIEW软件编写，基于智能化的传感器教学实验仿真系统为实现实验环节的网络化教学做出探索性工作。对实验环节现代化具有重要的实用价值。     

网络舆情事件的系统动力学模型与仿真

分析网络舆情事件的热度,研究网络舆情危机的形成机制,构建网络舆情危机预警的系统动力学模型.采用Vensim PLE软件对模型仿真,验证并分析模型的有效性和灵敏度,仿真结果表明该模型能够较好地拟合网络舆情事件中热度的形成过程.分析事件作用、网民作用、媒体作用和政府作用等四方面对网络舆情热度的影响,给出了网络舆情危机预警策略与对策建议.     

基于Solidworks的机械手爪运动仿真及有限元分析

以巴玛克公司自动化钎焊机械手爪为对象,利用SolidWorks开展机械手爪结构设计,三维建模,然后运用插件中motion、simulation对它进行运动仿真分析和有限元分析。最后得到机械手的运动轨迹,作业空间情况,为公司机械手爪后续的优化设计研究提供依据。     

可持续发展框架下的递推动态CGE模型构建研究

本文以一般均衡理论为依据,在传统的以经济分析为核心的CGE模型的基础上扩展建立了刻画资源与环境问题的递推动态CGE模型。模型首先改造了传统社会核算矩阵的框架结构,引入资源恢复、污染治理和自然禀赋要素等新的核算账户,然后通过方程的增补和修正将其嵌入到基准模型中,并进一步拓展出资本及能源使用的递推动态模型结构,从而为政策效果的模拟分析提供了一个综合性的框架,有助于管理决策者全面把握复杂巨系统中的各种作用关系。     

“数字电路实验”教学中的EDA方法

在数字电路实验教学中,采用EDA方法可以最大限度地降低成本、节省时间、增加可靠性,提高了学生对数字电路的分析与设计能力。