dead band

简明释义

死区

英英释义

A dead band refers to a range of values in a control system where no response or action occurs despite changes in input.

死区是指控制系统中一个值的范围,在该范围内输入变化不会导致任何响应或动作。

例句

1.The control system has a dead band 死区 to prevent unnecessary adjustments when the input signal is stable.

控制系统设有一个死区 dead band,以防止在输入信号稳定时进行不必要的调整。

2.The feedback loop has a dead band 死区 that helps reduce noise from the sensor.

反馈回路具有一个死区 dead band,有助于减少传感器的噪音。

3.To improve stability, the robot's movement controller incorporates a dead band 死区 for minor deviations.

为了提高稳定性,机器人的运动控制器为小偏差引入了一个死区 dead band

4.In HVAC systems, a dead band 死区 is used to avoid rapid cycling of the heating and cooling units.

在暖通空调系统中,使用死区 dead band来避免加热和冷却单元的快速循环。

5.When tuning the amplifier, make sure to set the dead band 死区 properly to avoid distortion.

在调节放大器时,请确保正确设置死区 dead band以避免失真。

作文

In the world of engineering and control systems, the term dead band refers to a specific range within which a system does not respond to input changes. This concept is crucial when designing feedback systems, as it helps to minimize unnecessary fluctuations and improve overall stability. For instance, consider a thermostat that controls the temperature of a room. If the temperature setting is set to 70 degrees Fahrenheit, and there is a dead band of 2 degrees, the thermostat will only activate the heating or cooling system if the temperature falls below 68 degrees or rises above 72 degrees. This prevents the system from constantly turning on and off, which can lead to wear and tear on the equipment and discomfort for the occupants.The dead band is particularly important in applications where precision is key. In industrial settings, for example, machinery often requires a certain level of tolerance to avoid excessive wear. Without a well-defined dead band, even minor fluctuations in input could trigger a response, leading to inefficiencies and increased operational costs. Engineers must carefully calculate the appropriate size of the dead band to ensure optimal performance without sacrificing responsiveness.Moreover, the concept of dead band extends beyond mechanical systems. In electronics, particularly in signal processing, a dead band can help filter out noise. For instance, in audio equipment, a dead band can prevent low-level signals from being amplified, ensuring that only significant sounds are processed. This application showcases how the dead band can enhance the quality of output by eliminating unwanted interference.However, it is essential to note that a dead band must be carefully designed. A dead band that is too wide may result in sluggish system responses, while one that is too narrow can lead to excessive cycling and instability. Therefore, engineers often conduct extensive testing and simulations to find the perfect balance that meets the specific requirements of their systems.In summary, the term dead band plays a vital role in various fields, especially in engineering and control systems. It serves as a buffer zone that prevents unnecessary actions in response to minor changes, thereby enhancing efficiency and stability. Understanding the implications of a dead band allows professionals to design better systems that function smoothly under varying conditions. As technology continues to advance, the principles surrounding dead band will remain relevant, guiding the development of more sophisticated and reliable systems across diverse industries.

在工程和控制系统的世界中,术语死区指的是一个特定范围,在这个范围内,系统对输入变化没有响应。这个概念在设计反馈系统时至关重要,因为它有助于减少不必要的波动并提高整体稳定性。例如,考虑一个控制房间温度的恒温器。如果温度设置为华氏70度,并且存在2度的死区,那么恒温器只有在温度降到68度以下或升到72度以上时才会激活加热或冷却系统。这可以防止系统不断开关,从而导致设备磨损和居住者的不适。死区在需要精确度的应用中尤其重要。例如,在工业环境中,机器通常需要一定的公差以避免过度磨损。如果没有明确定义的死区,即使是微小的输入波动也可能触发响应,从而导致低效率和增加运营成本。工程师必须仔细计算适当的死区大小,以确保最佳性能而不牺牲响应能力。此外,死区的概念超越了机械系统。在电子学中,特别是在信号处理领域,死区可以帮助过滤噪声。例如,在音频设备中,死区可以防止低水平信号被放大,确保只有重要的声音被处理。这个应用展示了死区如何通过消除不必要的干扰来增强输出质量。然而,需要注意的是,死区必须经过仔细设计。过宽的死区可能导致系统响应迟缓,而过窄的死区则可能导致过度循环和不稳定。因此,工程师通常会进行广泛的测试和模拟,以找到符合其系统特定要求的完美平衡。总之,术语死区在各个领域中发挥着至关重要的作用,特别是在工程和控制系统中。它充当一个缓冲区,防止对微小变化做出不必要的反应,从而提高效率和稳定性。理解死区的影响使专业人员能够设计出更好的系统,使其在不同条件下平稳运行。随着技术的不断进步,围绕死区的原理将继续保持相关性,引导各个行业开发出更复杂和可靠的系统。