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Design of Transmission Shafts

Design of Transmission Shafts

The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by reconfiguring the...

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Updated: May 5, 2026

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

电线形状形状记忆合金执行器:建模,设计和控制

Rongru Zhang¹, Honghao Yue², Hao Sun³

¹Research Center of Aerospace Mechanism and Control, School of Mechatronics Engineering, Harbin Institute of Technology, Harbin, 150080, China.

Microsystems & nanoengineering

|March 2, 2026

概括

此摘要是机器生成的。

电线形状形状记忆合金 (WF-SMA) 执行器为机器人和生物医学提供高能量密度. 本综述评估了WF-SMA的建模,控制和应用,强调了综合设计的挑战和未来方向.

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Last Updated: May 5, 2026

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

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Published on: August 17, 2018

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科学领域:

材料科学材料科学材料科学
机器人技术机器人技术机器人技术
生物医学工程生物医学工程

背景情况:

电线形状形状记忆合金 (WF-SMA) 执行器由于其能量密度和执行多功能性,在先进的应用中至关重要.
WF-SMAs跨越了高强度执行和材料合规性,使智能软材料和可拉伸电子设备成为可能.

研究的目的:

为WF-SMA执行器提供全面的评估,涵盖建模,配置,控制和应用.
确定阻碍WF-SMA广泛采用的挑战,并提出未来的研究方向.

主要方法:

对SMA执行模型,执行器设计范式和控制策略的系统审查.
基于机械负载特性 (线性,非线性,差异性) 的执行器设计的分类.
对控制方法的调查从传统的算法到先进的方法,如神经网络和自我传感.

主要成果:

重新审视SMA执行模型突出显示了在表示非线性和热力学行为方面存在的挑战.
执行器设计被分类,并探索大冲击策略.
控制策略范围从传统到智能方法,包括集成自传感.

结论:

实际WF-SMA应用的关键挑战包括需要集成的微纳米制造,灵活的电子和多功能材料.
未来的研究应该集中在综合建模设计控制框架上,利用深度学习来提高性能和可靠性.