V2EX backdrivable

Backdrivable

Definition / 释义

(多用于机械、机器人、电机与减速器)可回驱的;可被外力反向驱动的:指装置在断电或施加外力时,输出端能较容易地带动输入端(例如人推动机械臂,电机/齿轮组被“反推”转动),通常意味着摩擦与传动阻力较低、顺从性更好。

Pronunciation / 发音

/bkdravbl/

Examples / 例句

The joint is backdrivable, so you can move the arm by hand.
这个关节是可回驱的,所以你可以用手推动机械臂移动。

For safe human-robot interaction, designers often choose a backdrivable actuator that yields under unexpected forces rather than resisting them.
为了更安全的人机交互,设计者常选择可回驱的执行器,使其在遇到意外外力时更愿意“让步”,而不是强硬抵抗。

Etymology / 词源

由 **back-**(向后、反向)+ drive(驱动)+ -able(能够……的)构成。该词主要在工程领域中使用,用来描述传动系统是否容易被“反向带动”(back-drive),对应的名词常见为 backdrivability(可回驱性)。

Related Words / 相关词

Literary & Notable Uses / 文学与著名用例

该词更常见于机器人与机电系统的技术写作中(教材、论文、产品手册、标准与应用笔记),尤其是在讨论协作机器人(cobot)、力控制、阻抗控制与安全交互设计时。常涉及该概念与用法的代表性作品类型包括:

  • 机器人学与机电一体化教材中关于执行器/减速器选择可回驱性的章节
  • 人机协作与力控制方向的研究论文(常将 backdrivable actuators 与安全、顺从性、力反馈联系起来)
  • 工业机器人/协作机器人厂商的执行器与关节模组技术手册(用于描述“可手推”“低阻力回驱”等特性)
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