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首页> 外文会议>Conference on Active and passive smart structures and integrated systems; 20090309-12; San Diego, CA(US) >Integrated design and analysis of smart actuators for hybrid assistive knee braces
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Integrated design and analysis of smart actuators for hybrid assistive knee braces

机译：混合辅助膝关节支架智能执行器的集成设计和分析

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摘要

The objective of this paper is to develop smart actuators for knee braces as assistive devices for helping disabled people to 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 are integrated. MR fluids are filled inside the DC motor based actuator. Additional design factors of smart actuators including influence of permanent magnet on MR fluids and dynamic sealing are also considered. Finite element model of the smart actuator is built and analyzed. A prototype of the smart actuator with two different inner armatures is fabricated and their characteristics are investigated. Torques are compared between simulation and experiments. The results show that the developed smart actuator with multiple functions is promising for assistive knee braces.
机译：本文的目的是开发用于膝盖支撑的智能执行器，以作为帮助残疾人恢复行动能力的辅助设备。执行器起电动机，离合器和制动器的作用。在设计中，磁流变（MR）流体用于产生可控制的扭矩。为了减小执行器的尺寸，马达和MR流体集成在一起。 MR流体填充在基于直流电动机的执行器内部。还考虑了智能执行器的其他设计因素，包括永磁体对MR流体的影响和动态密封。建立并分析了智能执行器的有限元模型。制造了具有两个不同内部电枢的智能执行器的原型，并研究了它们的特性。在仿真和实验之间比较扭矩。结果表明，开发的具有多种功能的智能执行器有望用于辅助膝关节矫正。

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