stability margin

简明释义

稳定裕量

英英释义

例句

1.A higher stability margin in the control system indicates better performance under varying conditions.

控制系统中的更高稳定裕度表明在不同条件下的更好性能。

2.We need to increase the stability margin of this software to prevent crashes.

我们需要增加这个软件的稳定裕度以防止崩溃。

3.The engineer calculated the stability margin to ensure the bridge can withstand strong winds.

工程师计算了稳定裕度以确保桥梁能够承受强风。

4.The stability margin of the aircraft was tested during various flight maneuvers.

在各种飞行动作中测试了飞机的稳定裕度。

5.In financial models, a good stability margin helps predict market fluctuations.

在金融模型中，良好的稳定裕度有助于预测市场波动。

作文

In the field of engineering and control systems, the term stability margin refers to the measure of how close a system is to instability. It is an essential concept that helps engineers design systems that can withstand various disturbances without losing their desired performance. Understanding stability margin is crucial for ensuring that systems operate reliably under different conditions. For instance, in control theory, the stability margin indicates how much gain or phase variation a system can tolerate before it becomes unstable. This concept is vital in applications ranging from aerospace engineering to robotics, where maintaining stability is paramount to success.When designing a feedback control system, engineers often analyze the system's response to inputs and perturbations. The stability margin provides insights into how robust the system is against these variations. A high stability margin suggests that the system can handle larger disturbances while remaining stable, whereas a low stability margin indicates that the system is vulnerable to instability with minor changes in parameters.To illustrate this further, consider a simple example of a temperature control system in a furnace. If the control system has a high stability margin, it means that even if there are fluctuations in the ambient temperature or changes in the heating element’s efficiency, the system can still maintain the desired temperature without overshooting or oscillating excessively. On the other hand, if the stability margin is low, small disturbances could lead to significant deviations from the set temperature, potentially causing safety hazards or inefficient operation.Moreover, the stability margin can be quantified through various methods, such as Bode plots or Nyquist criteria. Engineers use these tools to assess the frequency response of a system and determine its stability characteristics. By analyzing the gain and phase margins, they can make informed decisions about how to adjust system parameters to achieve the desired stability margin.In conclusion, the concept of stability margin is fundamental in designing robust control systems. It allows engineers to predict how systems will behave under varying conditions and to ensure that they remain stable and functional. As technology continues to advance, the importance of understanding and optimizing the stability margin will only grow, particularly in complex systems where reliability is critical. Therefore, mastering the principles surrounding stability margin is essential for anyone involved in the fields of engineering and system design.

在工程和控制系统领域，术语稳定裕度指的是一个系统距离不稳定状态的测量。它是一个重要的概念，帮助工程师设计能够承受各种干扰而不失去所需性能的系统。理解稳定裕度对于确保系统在不同条件下可靠运行至关重要。例如，在控制理论中，稳定裕度表示系统在失去稳定性之前可以容忍多少增益或相位变化。这个概念在从航空航天工程到机器人技术的应用中至关重要，在这些领域中，保持稳定性是成功的关键。在设计反馈控制系统时，工程师通常会分析系统对输入和扰动的响应。稳定裕度提供了关于系统在这些变化下的鲁棒性的重要见解。高稳定裕度表明系统可以在保持稳定的情况下处理更大的干扰，而低稳定裕度则表明系统在参数发生轻微变化时容易出现不稳定。为了进一步说明这一点，考虑一个简单的例子：炉子的温度控制系统。如果控制系统具有高稳定裕度，这意味着即使环境温度波动或加热元件的效率发生变化，系统仍然可以保持所需的温度，而不会过度波动或过度振荡。另一方面，如果稳定裕度较低，小的干扰可能会导致与设定温度的显著偏差，可能导致安全隐患或低效运行。此外，稳定裕度可以通过各种方法进行量化，例如波特图或奈奎斯特准则。工程师使用这些工具来评估系统的频率响应并确定其稳定性特征。通过分析增益和相位裕度，他们可以就如何调整系统参数以实现所需的稳定裕度做出明智的决策。总之，稳定裕度的概念在设计鲁棒控制系统中是基础。它使工程师能够预测系统在不同条件下的行为，并确保它们保持稳定和功能正常。随着技术的不断进步，理解和优化稳定裕度的重要性只会增加，特别是在复杂系统中，可靠性至关重要。因此，掌握围绕稳定裕度的原则对于任何参与工程和系统设计的人来说都是必不可少的。