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首页> 外文期刊>Latin America Transactions, IEEE (Revista IEEE America Latina) >Stability analysis of a wind turbine tower using reachability properties of switched systems
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Stability analysis of a wind turbine tower using reachability properties of switched systems

机译：利用开关系统的可达性对风力发电机塔架进行稳定性分析

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Wind turbines are increasingly installed to generate electricity around the whole, as an alternative energy source to conventional fossil fuels in order to reduce fossil fuel energy dependence and environment impact. It is well known that wind towers must be designed to sustain continuous vibration forces throughout their operational life, which are more critical at offshore locations. The paper aims to analyze the structural stability of a wind turbine tower made of steel. The wind turbine tower is modeled as the addition of various (infinitesimal) simplified beam-columns, which mathematically can be represented by a switched system. Each beam-column section is equivalently modeled as a Hamiltonian system which allows simplifying the system and providing the stability general response. An eigenvalue analysis has been done in order to analyze the stability of the system; finally, also, some transient simulations of the system are presented to verify the results obtained.
机译：为了减少对化石燃料的能源依赖性和对环境的影响，越来越多地安装风力涡轮机以在整体上发电，作为常规化石燃料的替代能源。众所周知，风塔的设计必须在其整个使用寿命期间承受持续的振动力，这在海上位置尤为重要。本文旨在分析钢制风力发电机塔架的结构稳定性。将风力涡轮机塔架建模为各种（无限小）简化的梁柱的加法，这些梁柱在数学上可以由开关系统表示。每个梁柱截面都等效地建模为哈密顿系统，从而简化系统并提供稳定性一般响应。特征值分析已经完成，以分析系统的稳定性。最后，还提供了系统的一些瞬态仿真以验证所获得的结果。

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