stability margin

简明释义

稳性储备

英英释义

例句

1.A low stability margin can lead to oscillations in mechanical systems.

低稳定裕度可能导致机械系统中的振荡。

2.The team adjusted the parameters to improve the stability margin of the aircraft.

团队调整了参数以改善飞机的稳定裕度。

3.The engineer calculated the stability margin to ensure the bridge could 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.In control systems, a higher stability margin indicates a more robust design.

在控制系统中，更高的稳定裕度表示设计更为稳健。

5.During the simulation, we observed the stability margin fluctuating under different conditions.

在模拟过程中，我们观察到稳定裕度在不同条件下波动。

作文

In the field of engineering and control systems, the concept of stability margin plays a crucial role in determining the robustness of a system. The stability margin refers to the amount of perturbation or variation that a system can withstand before it becomes unstable. This is particularly important in applications such as aerospace engineering, robotics, and any other domain where precise control is necessary. Understanding the stability margin allows engineers to design systems that are not only effective but also resilient to changes in their environment or operational conditions.When we consider a feedback control system, the stability margin can be analyzed through various methods, including Bode plots and Nyquist criteria. These tools provide insight into how close a system is to instability. A larger stability margin indicates that the system can tolerate greater disturbances without losing its ability to maintain desired performance levels. Conversely, a smaller stability margin suggests that even minor changes could lead to significant deviations from expected behavior.One of the key reasons for focusing on the stability margin is its direct impact on safety and reliability. For instance, in aviation, an aircraft's control system must have a sufficient stability margin to handle unexpected turbulence or shifts in weight distribution. If the stability margin is inadequate, the aircraft could enter a state of uncontrolled flight, leading to catastrophic outcomes.Moreover, the stability margin is not just a theoretical concept; it has practical implications in real-world scenarios. Engineers often perform simulations and stress tests to evaluate the stability margin of their designs. By understanding the limits of stability, they can make informed decisions about component selection, system architecture, and control strategies. For example, a robotic arm used in manufacturing must have a robust stability margin to ensure it can operate effectively without crashing or causing damage.In addition to engineering applications, the idea of stability margin can also be found in economic and social systems. In economics, the stability margin can refer to the resilience of financial markets to shocks or fluctuations. A market with a high stability margin can absorb shocks better than one with a low margin, making it less prone to crises. Similarly, social systems with strong community ties and support networks may exhibit a higher stability margin against social unrest or economic downturns.Ultimately, the concept of stability margin serves as a reminder of the importance of resilience in both engineered systems and societal structures. As we continue to innovate and develop new technologies, understanding and enhancing the stability margin will be vital in ensuring that these systems not only perform well under ideal conditions but also remain functional and safe in the face of uncertainty. Whether in engineering, economics, or social sciences, the pursuit of a greater stability margin will contribute to more reliable and sustainable systems for the future.

在工程和控制系统领域，稳定裕度的概念在确定系统的鲁棒性方面发挥着至关重要的作用。稳定裕度是指一个系统在变得不稳定之前可以承受的扰动或变化的量。这在航空航天工程、机器人技术以及任何需要精确控制的领域中尤为重要。理解稳定裕度使工程师能够设计出不仅有效而且能够抵御环境或操作条件变化的系统。当我们考虑反馈控制系统时，可以通过各种方法分析稳定裕度，包括波德图和奈奎斯特准则。这些工具提供了系统距离不稳定状态的近似程度的洞察。较大的稳定裕度表明系统能够容忍更大的干扰，而不会失去保持预期性能水平的能力。相反，较小的稳定裕度则表明即使是微小的变化也可能导致显著的偏离预期行为。关注稳定裕度的一个关键原因是其对安全性和可靠性的直接影响。例如，在航空领域，飞机的控制系统必须具有足够的稳定裕度以应对意外的湍流或重量分布的变化。如果稳定裕度不足，飞机可能会进入一种失控飞行的状态，导致灾难性后果。此外，稳定裕度不仅是一个理论概念；它在现实场景中具有实际意义。工程师通常会进行仿真和压力测试，以评估其设计的稳定裕度。通过了解稳定性的极限，他们可以就组件选择、系统架构和控制策略做出明智的决策。例如，用于制造的机器人手臂必须具有强大的稳定裕度，以确保其能够有效运行而不会崩溃或造成损坏。除了工程应用，稳定裕度的概念在经济和社会系统中也能找到。在经济学中，稳定裕度可以指金融市场对冲击或波动的韧性。拥有高稳定裕度的市场能够更好地吸收冲击，而低裕度的市场则更容易发生危机。同样，具有强大社区联系和支持网络的社会系统可能表现出更高的稳定裕度，从而抵御社会动荡或经济衰退。最终，稳定裕度的概念提醒我们在工程系统和社会结构中韧性的重要性。随着我们继续创新并开发新技术，理解和增强稳定裕度将对确保这些系统不仅在理想条件下表现良好，而且在面对不确定性时仍然功能正常和安全至关重要。无论是在工程、经济学还是社会科学中，追求更大的稳定裕度将有助于为未来创造更可靠和可持续的系统。