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首页> 外文会议>Twelfth International Conference on Adaptive Structures and Technologies, Oct 15-17, 2001, University of Maryland >SOLID-FLUID HYBRID ACTUATION: CONCEPTS, MODELS, CAPABILITIES AND LIMITATIONS
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SOLID-FLUID HYBRID ACTUATION: CONCEPTS, MODELS, CAPABILITIES AND LIMITATIONS

机译：固液混合动力技术：概念，模型，功能和局限性

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摘要

This paper addresses concepts, models and fundamental performance limitations of hybrid solid-fluid actuators. The actuators discussed incorporate solid-state driving elements such as electrostrictive, piezoelectric or magnetostrictive materials to pressurize a working fluid which, in turn, is directed to a conventional hydraulic piston-type actuator for mechanical applications. First-principles models of hybrid solid-fluid actuators are derived and employed in simulation to estimate ranges of performance likely achievable from such devices in practice. The influences of various design and physical parameters are explored in the context of these models. The results of simulation studies indicate that achieving mechanical output power levels up to 75% of that theoretically obtainable based on physical properties of the solid-state driving elements should be possible with well-engineered, hybrid actuators.
机译：本文介绍了混合固体流体执行器的概念，模型和基本性能限制。所讨论的致动器结合了诸如电致伸缩，压电或磁致伸缩材料之类的固态驱动元件以对工作流体加压，该工作流体又被引向用于机械应用的常规液压活塞式致动器。推导了混合固体致动器的第一性原理模型，并将其用于仿真中，以估计在实践中可从此类设备获得的性能范围。在这些模型的上下文中探索了各种设计和物理参数的影响。仿真研究的结果表明，使用精心设计的混合式执行器，应有可能实现高达固态驱动元件物理性能理论上可达到的机械输出功率水平的75％。

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