V2EX deadband

Deadband

定义 Definition

deadband(也作 dead zone)指“死区/不灵敏区”:在控制系统、传感器或机构中,输入或误差在某个范围内变化时,输出不发生响应或不触发动作的区间(常用于避免抖动、噪声触发或频繁切换)。该词也可泛指“无反应范围/容许带”。

发音 Pronunciation

/ddbnd/

例句 Examples

The thermostat has a deadband of two degrees to prevent rapid cycling.
恒温器设置了两度的死区,以防止频繁启停。

Because of sensor noise, the controller adds a small deadband so the valve doesn’t keep hunting around the setpoint.
由于传感器噪声,控制器加入了一个小死区,使阀门不会在设定值附近反复来回“搜索/抖动”。

词源 Etymology

deadbanddead(“不起作用的、无响应的”)+ band(“带状范围/区间”)构成,字面意思是“不起作用的区间”。该用法主要在工程控制、仪表与机械领域中发展,用来描述“变化发生但系统暂不响应”的容许范围。

相关词 Related Words

文学与著作 Literary Works

  • Modern Control Engineering(Katsuhiko Ogata,大多译作《现代控制工程》):在控制系统非线性与执行器特性讨论中常涉及死区/死带概念。
  • Feedback Control of Dynamic Systems(Franklin, Powell, Emami-Naeini):在反馈系统建模与非线性环节(含死区)分析中使用相关术语。
  • Process Control: Modeling, Design, and Simulation(B. Wayne Bequette):在过程控制与执行器/阀门建模中常讨论死区对控制性能的影响。
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