V2EX bang-bang control

Bang-bang Control

定义 Definition

Bang-bang control(又称 on-off control / relay control):一种控制策略,使控制输入只能在两个极值之间快速切换(如“全开/全关”“最大/最小”),以实现接近目标的调节效果;常见于执行器只能取离散状态、或追求最快响应/最短时间的控制问题中。

发音 Pronunciation (IPA)

/b b kntrol/

例句 Examples

The heater uses bang-bang control to keep the room near 20°C.
加热器用“bang-bang 控制”把室温维持在接近 20°C 的范围内。

In minimum-time problems, bang-bang control often switches at specific times to drive the state to the target as fast as possible.
在最短时间类问题中,bang-bang 控制常在特定时刻切换输入,以尽可能快地把系统状态驱动到目标。

词源 Etymology

bang-bang”原本是拟声词,表示突然、猛烈的动作或冲击声;在控制领域借用来形容控制量并非连续平滑变化,而是像“开关”一样在两端猛然跳变、频繁切换。因此该术语常用于描述两值(或饱和)输入的控制规律。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Modern Control Engineering(Katsuhiko Ogata)
  • Feedback Control of Dynamic Systems(Gene F. Franklin, J. David Powell 等)
  • Automatic Control Systems(Benjamin C. Kuo, Farid Golnaraghi)
  • Optimal Control and Estimation(Robert F. Stengel)
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