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Modeling dynamic mechanical system behavior using sequencemodeling of embodiment function relations: case study on a hammer mechanism

机译:使用序列建模动态机械系统行为实施方式的建模功能关系:锤锤机构的案例研究

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摘要

In engineering design, an issue for using complex simulation models in system analysis are unknown causes for dynamicsystem behavior, which make parameterization difficult. This paper presents a case study in which a structured systemanalysis is used for the parameterization of complex dynamic multi-domain models. The dynamic system behavior of animpact wrench during fastening of a bolt is analyzed and modeled using the Contact and Channel Approach for structuredparameterization of a multibody simulation model. This qualitative model building serves as a basis for a simulationmodel that quantifies the relations of design parameters and system behavior. Comparison with experimental testresults is done as a validation. With this approach, the behavior identified in the simulation model could be traced backin a structured way to its cause in the system embodiment. The simulation model represented the real dynamic systembehavior with an initial sufficient precision, but showed a lack of precision in detail. On this basis, the Contact and ChannelModel was extended by adding additional statistical behavior of the system. Parameters of the system embodimentwere identified qualitatively to improve the simulation model. A limitation in qualitative modeling of dynamic changesin the system has been identified that needs to be addressed in further research.
机译:在工程设计中,系统分析中使用复杂仿真模型的问题是动态的未知原因系统行为,使参数化变得困难。本文介绍了一种结构化系统的案例研究分析用于复杂动态多域模型的参数化。动态系统行为通过用于结构化的接触和通道方法分析和建模在螺栓固定过程中的冲击扳手多体仿真模型的参数化。该定性模型建筑物是模拟的基础量化设计参数和系统行为关系的模型。与实验测试的比较结果是作为验证完成的。通过这种方法,可以追溯模拟模型中标识的行为以结构化方式在系统实施例中的原因。仿真模型代表了真正的动态系统具有初始充分精度的行为,但详细缺乏精确度。在此基础上,联系和频道通过添加系统的额外统计行为来扩展模型。系统实施例的参数定性地识别以改善模拟模型。动态变化定性建模的限制在系统中已经确定需要在进一步的研究中解决。

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