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Plant movements as concept generators for deployable systems in architecture

机译：植物运动作为建筑中可部署系统的概念生成器

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Plants, apparently not capable of complex movements, have always fascinated scientists when proving the contrary. A multitude of movements in plants have been revealed, showing a broad spectrum of motion sequences and underlying principles. Interestingly, many of these movements show high elasticity and flexibility of the respective structures and allow reversible deformations. With the investigation of suitable biological role models and the use of new construction materials, such as fibre-reinforced polymers (FRPs), the authors are developing deployable technical structures without local hinges. In this presentation the first steps of the applied biomimetic working process are described: the selection of role models, investigation and basic abstraction of plant movements. An overall screening through the plant kingdom has led to a wide-ranged matrix comprising many different types of plant movements, which constitutes the basis for our investigations. We distinguish between autonomous and non-autonomous movements. Active autonomous movements are characterized by motor organs, e.g. pulvini driven by a change of turgor pressure. Passive autonomous movements occur due to changing physical circumstances, e.g. bending through desiccation. Non-autonomous movements are mostly reversible deformations caused by a release of stored elastic energy after an external trigger or by direct application of mechanical forces. In a case study we applied morphological and anatomical investigations on the valvular pollination mechanism of the Bird-Of-Paradise flower. A physical model as a first level abstraction step of the system is presented. In close collaboration between biologists and construction engineers this kinetic system is verified with the help of computer simulations and additional abstraction steps, which finally led to the construction of a bio-inspired demonstrator for technical applications.
机译：事实证明，植物显然无法进行复杂的运动，但事实却总是令科学家着迷。揭示了植物中的多种运动，显示了各种各样的运动序列和基本原理。有趣的是，这些运动中的许多运动都显示出相应结构的高弹性和柔韧性，并允许可逆的变形。通过研究合适的生物学角色模型并使用新的建筑材料，例如纤维增强聚合物（FRP），作者正在开发没有局部铰链的可部署技术结构。在此演示文稿中，描述了仿生工作过程的第一步：角色模型的选择，调查和植物运动的基本抽象。通过对植物界的全面筛选，得出了包含许多不同类型植物运动的广泛矩阵，这构成了我们进行研究的基础。我们区分自主运动和非自主运动。主动自主运动的特征是运动器官，例如pulvini由膨胀压力的变化驱动。被动自主运动是由于不断变化的物理环境而发生的，例如通过干燥弯曲。非自主运动通常是可逆的变形，是由外部触发后释放存储的弹性能量或直接施加机械力引起的。在一个案例研究中，我们对天堂鸟花的瓣膜授粉机制进行了形态学和解剖学研究。提出了物理模型作为系统的第一级抽象步骤。在生物学家和建筑工程师的密切合作下，借助计算机仿真和附加的抽象步骤验证了该动力学系统，最终导致了用于技术应用的生物启发式演示器的构建。

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