hard self-excitation

简明释义

硬自励

英英释义

Hard self-excitation refers to a phenomenon in dynamic systems where the system generates a strong internal feedback that leads to sustained oscillations or instability without external input.

硬自激现象是指在动态系统中,系统产生强烈的内部反馈,导致持续的振荡或不稳定,而无需外部输入。

例句

1.To mitigate hard self-excitation 强自激励, engineers implemented damping techniques.

为了减轻硬自激励 强自激励,工程师实施了阻尼技术。

2.The phenomenon of hard self-excitation 强自激励 is critical in understanding system dynamics.

理解系统动态时,硬自激励 强自激励现象至关重要。

3.Engineers must account for hard self-excitation 强自激励 when designing feedback loops.

工程师在设计反馈回路时必须考虑到硬自激励 强自激励

4.In control theory, hard self-excitation 强自激励 can lead to instability if not properly managed.

在控制理论中,硬自激励 强自激励如果管理不当可能导致不稳定。

5.The researchers found that the system exhibited hard self-excitation 强自激励 under certain conditions.

研究人员发现该系统在特定条件下表现出硬自激励 强自激励

作文

In the realm of physics and engineering, the concept of hard self-excitation is crucial when analyzing systems that exhibit oscillatory behavior. This phenomenon can be observed in various applications, from mechanical systems to electrical circuits. To understand hard self-excitation, we must first explore the underlying principles of self-excitation itself. Self-excitation occurs when a system generates its own energy or forces that sustain its motion without external input. This can lead to stable or unstable oscillations depending on the system's parameters. When we refer to hard self-excitation, we are typically discussing a scenario where the self-excitation is strong enough to cause significant amplitude oscillations. This can be seen in systems like certain types of engines or mechanical resonators, where the energy feedback is robust enough to maintain or amplify the oscillations. For instance, consider a simple pendulum that swings back and forth. If we were to apply a force at just the right frequency, we could create a situation of self-excitation where the swing grows larger over time. However, if that force is too strong or not well-tuned, we could enter a state of hard self-excitation, leading to excessive oscillations that could potentially damage the system.The implications of hard self-excitation are profound in engineering design. Engineers must carefully consider the parameters of their systems to ensure that they do not inadvertently create conditions for hard self-excitation. For example, in the design of bridges, engineers must account for the potential for resonance caused by wind or traffic. If the natural frequency of the bridge aligns with the frequency of these forces, it could lead to catastrophic oscillations due to hard self-excitation. Moreover, in electrical circuits, hard self-excitation can occur in oscillators, where the circuit generates signals without an external source. While this can be useful in certain applications, such as signal generation, it can also lead to instability if not properly managed. Engineers must implement damping mechanisms or feedback controls to mitigate the risk of hard self-excitation in these systems.In conclusion, hard self-excitation is a significant concept in the study of dynamic systems. Understanding how to manage self-excitation is essential for creating stable and reliable designs in various fields of engineering. By recognizing the conditions that lead to hard self-excitation, engineers can develop strategies to prevent undesirable oscillations and ensure the safety and efficacy of their systems. As technology continues to advance, the importance of mastering concepts like hard self-excitation will only grow, highlighting the need for ongoing research and education in this vital area of study.

在物理和工程领域,硬自激励的概念在分析表现出振荡行为的系统时至关重要。这种现象可以在各种应用中观察到,从机械系统到电气电路。要理解硬自激励,我们必须首先探讨自激励本身的基本原理。自激励发生在一个系统产生自身的能量或力以维持其运动而无需外部输入时。这可能导致稳定或不稳定的振荡,具体取决于系统的参数。当我们提到硬自激励时,我们通常讨论的是自激励强度足以造成显著幅度振荡的情况。这可以在某些类型的发动机或机械谐振器等系统中看到,其中能量反馈强大到足以维持或放大振荡。例如,考虑一个简单的摆,它来回摆动。如果我们以恰当的频率施加一个力量,我们可以创造一个自激励的情况,使摆动随时间增大。然而,如果这个力量太强或者没有很好地调谐,我们可能会进入一种硬自激励的状态,导致过度的振荡,甚至可能损坏系统。硬自激励的影响在工程设计中是深远的。工程师必须仔细考虑他们系统的参数,以确保他们不会无意中创造出硬自激励的条件。例如,在桥梁的设计中,工程师必须考虑风或交通可能引起的共振。如果桥梁的自然频率与这些力量的频率相符,就可能由于硬自激励导致灾难性的振荡。此外,在电路中,硬自激励可能发生在振荡器中,其中电路在没有外部源的情况下生成信号。虽然这在某些应用中(如信号生成)可能是有用的,但如果管理不当,也可能导致不稳定。工程师必须实施阻尼机制或反馈控制,以减轻这些系统中硬自激励的风险。总之,硬自激励是动态系统研究中的一个重要概念。理解如何管理自激励对于在各个工程领域创建稳定和可靠的设计至关重要。通过识别导致硬自激励的条件,工程师可以制定策略以防止不必要的振荡,确保他们系统的安全性和有效性。随着技术的不断进步,掌握像硬自激励这样的概念的重要性只会增加,这突显了在这一重要研究领域持续进行研究和教育的必要性。