V2EX feedforward

Feedforward

释义 Definition

feedforward(名词/形容词):“前馈;前馈控制/前馈信息”。指在系统输出尚未产生之前,根据输入或可预测的扰动提前做出调节,以减少误差、提高稳定性或性能(常见于控制工程、信号处理、神经网络与学习理论)。
(另有少见用法指“前向传递/前向传播”,多见于神经网络语境。)

发音 Pronunciation (IPA)

/fidfrwrd/

例句 Examples

A feedforward controller can reduce delay.
前馈控制器可以减少延迟。

By adding a feedforward term based on measured disturbances, the system maintained stable performance even under sudden load changes.
通过加入基于已测扰动的前馈项,系统即使在负载突然变化时也能保持稳定性能。

词源 Etymology

feed(“传递、馈送”)+ forward(“向前”)构成,含义是“把信息/作用提前送到前面”。与 feedback(反馈)相对:反馈依赖输出结果再修正,前馈则强调预先预测与补偿。

相关词 Related Words

文学/经典作品中的用例 Literary Works

  • Norbert Wiener, Cybernetics: Or Control and Communication in the Animal and the Machine(控制与通信/控制论经典语境中与反馈、前馈思想相关并常被并置讨论)
  • Gene F. Franklin, J. David Powell, Abbas Emami-Naeini, Feedback Control of Dynamic Systems(控制系统教材中常出现“feedforward control/compensation”)
  • Simon Haykin, Neural Networks and Learning Machines(神经网络教材语境中常见“feedforward neural networks/forward pass”)
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