V2EX feedback loop

Feedback Loop

定义 Definition

“Feedback loop” 指“反馈回路/反馈循环”:系统的输出结果会反过来影响系统的输入,从而强化或抑制后续的变化。常见于工程控制、商业管理、心理学、生态学与社会系统分析中。常见分为正反馈(越滚越大)与负反馈(趋于稳定)。(也可泛指日常工作中的“反馈改进再反馈”的循环。)

发音 Pronunciation (IPA)

/fidbk lup/

例句 Examples

The app improves through a feedback loop of user ratings.
这个应用通过“用户评分改进”的反馈循环不断优化。

In complex organizations, a poorly designed feedback loop can amplify small errors into major failures over time.
在复杂组织中,设计不佳的反馈回路可能会把小错误在时间推移中放大成重大故障。

词源 Etymology

“Feedback” 来自 “feed”(供给)+ “back”(回去、回返),原本在工程与控制理论中表示“把输出信号送回输入端”。“Loop” 意为“环、回路”。合起来强调一种“结果回到起点、形成循环”的系统结构;20世纪中期随着控制论(cybernetics)发展而广泛流行。

相关词 Related Words

文学与名著作品 Notable Works

  • Norbert Wiener《Cybernetics: Or Control and Communication in the Animal and the Machine》:以反馈回路为核心概念讨论控制与沟通。
  • Donella H. Meadows《Thinking in Systems》:用反馈回路解释系统行为、政策副作用与杠杆点。
  • Peter M. Senge《The Fifth Discipline》:在组织学习与系统思考中大量使用“反馈回路”框架。
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