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Integrated design and analysis of smart actuators for hybrid assistive knee braces

机译：混合辅助膝关节牙套智能执行器的集成设计与分析

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The objective of this paper is to develop smart actuators for knee braces as assistive devices for helping disabled peopleto recover their mobility. The actuator functions as motor, clutch, and brake. In the design, magnetorheological (MR)fluids are utilized to generate controllable torque. To decrease the size of the actuator, motor and MR fluids areintegrated. MR fluids are filled inside the DC motor based actuator. Additional design factors of smart actuatorsincluding influence of permanent magnet on MR fluids and dynamic sealing are also considered. Finite element model ofthe smart actuator is built and analyzed. A prototype of the smart actuator with two different inner armatures is fabricatedand their characteristics are investigated. Torques are compared between simulation and experiments. The results showthat the developed smart actuator with multiple functions is promising for assistive knee braces.
机译：本文的目的是为膝盖支架开发智能执行器，因为辅助设备有助于帮助残疾人群岛恢复流动性。执行器用作电动机，离合器和制动器。在设计中，利用磁流变（MR）流体来产生可控扭矩。为了减小致动器的尺寸，电动机和MR液体融合。 MR流体填充在基于DC电动机的致动器内。还考虑了永久性磁铁对MR流体和动态密封的智能致动仪的附加设计因素。建立和分析了智能执行器的有限元模型。智能致动器的原型，具有两个不同的内部扶手是制造的，并研究了它们的特性。在模拟和实验之间比较Torques。结果表明，具有多种功能的开发的智能执行器是辅助膝关节括号的前途。

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