self excited oscillations

简明释义

自激振荡

英英释义

例句

1.The design of the bridge was affected by self excited oscillations 自激振荡 caused by wind forces.

桥梁的设计受到风力引起的<自激振荡><自激振荡>的影响。

2.The phenomenon of self excited oscillations 自激振荡 can lead to instability in mechanical systems.

在机械系统中，<自激振荡><自激振荡>现象可能导致不稳定性。

3.Researchers are studying self excited oscillations 自激振荡 to improve the performance of oscillatory circuits.

研究人员正在研究<自激振荡><自激振荡>以改善振荡电路的性能。

4.In robotics, self excited oscillations 自激振荡 can cause erratic movements if not properly controlled.

在机器人技术中，如果控制不当，<自激振荡><自激振荡>可能导致不规则运动。

5.In engineering, we often encounter self excited oscillations 自激振荡 in control systems when feedback loops are improperly tuned.

在工程中，当反馈回路调节不当时，我们常常会遇到<自己激励振荡><自激振荡>。

作文

In the realm of physics and engineering, the concept of self excited oscillations plays a crucial role in understanding various dynamic systems. These oscillations occur when a system generates its own energy to sustain motion without any external periodic force. This phenomenon can be observed in numerous applications, ranging from mechanical systems to electrical circuits. Understanding self excited oscillations is essential for engineers and scientists as it helps them design more efficient systems and predict their behaviors under different conditions.To illustrate this concept, let us consider a simple example of a pendulum. When a pendulum swings back and forth, it requires an initial push to start moving. However, if we were to introduce a mechanism that allows the pendulum to extract energy from its surroundings, it could potentially continue swinging indefinitely. This scenario exemplifies self excited oscillations, where the system self-sustains its motion through feedback mechanisms.One of the most common examples of self excited oscillations can be found in electrical circuits, particularly in oscillators. An oscillator is a device that produces a repetitive signal, often in the form of a sine wave. In a typical oscillator circuit, components such as resistors, capacitors, and inductors work together to create a feedback loop. When the circuit is powered, it can produce oscillations without needing an external input, demonstrating the principle of self excited oscillations.The importance of understanding self excited oscillations extends beyond theoretical applications; it has practical implications in various fields. For instance, in mechanical engineering, designers must account for these oscillations when creating structures such as bridges or buildings. If a structure resonates at its natural frequency due to self excited oscillations, it could lead to catastrophic failures. Therefore, engineers employ damping techniques to mitigate these effects and ensure the safety and stability of their designs.Moreover, self excited oscillations are also relevant in the field of control systems. In automated systems, feedback loops are essential for maintaining desired performance levels. However, if not properly designed, these feedback loops can lead to instability, causing the system to oscillate uncontrollably. By studying self excited oscillations, engineers can design better control strategies that enhance system performance while avoiding undesirable oscillatory behavior.In conclusion, self excited oscillations represent a fascinating area of study within physics and engineering. Their ability to sustain motion without external forces opens up numerous possibilities for innovation and design. Whether in mechanical systems, electrical circuits, or control systems, understanding self excited oscillations is vital for creating efficient, safe, and reliable technologies. As we continue to explore this phenomenon, we not only advance our knowledge but also pave the way for future innovations that harness the power of self-sustaining systems.

在物理和工程领域，自激振荡的概念在理解各种动态系统中起着至关重要的作用。这些振荡发生在一个系统生成自身能量以维持运动而不需要任何外部周期性力量时。这种现象可以在许多应用中观察到，从机械系统到电路。理解自激振荡对工程师和科学家至关重要，因为它帮助他们设计更高效的系统，并预测它们在不同条件下的行为。为了说明这个概念，让我们考虑一个简单的例子：摆。当摆来回摆动时，它需要一个初始推动力才能开始移动。然而，如果我们引入一个机制，使得摆能够从周围环境中提取能量，它可能会无限期地继续摆动。这个场景例证了自激振荡，其中系统通过反馈机制自我维持其运动。自激振荡最常见的例子之一可以在电路中找到，特别是在振荡器中。振荡器是一种产生重复信号的设备，通常以正弦波的形式。在典型的振荡器电路中，电阻器、电容器和电感器等组件共同工作以创建反馈循环。当电路通电时，它可以在不需要外部输入的情况下产生振荡，展示了自激振荡的原理。理解自激振荡的重要性超越了理论应用；它在各个领域都有实际意义。例如，在机械工程中，设计师必须在创建桥梁或建筑物等结构时考虑这些振荡。如果由于自激振荡而使结构在其自然频率上共振，可能导致灾难性故障。因此，工程师采用阻尼技术来减轻这些影响，确保其设计的安全性和稳定性。此外，自激振荡在控制系统领域也相关。在自动化系统中，反馈循环对于维持所需的性能水平至关重要。然而，如果设计不当，这些反馈循环可能导致不稳定，使系统无法控制地振荡。通过研究自激振荡，工程师可以设计更好的控制策略，以增强系统性能，同时避免不良的振荡行为。总之，自激振荡代表了物理和工程学中的一个迷人研究领域。它们在没有外部力量的情况下维持运动的能力为创新和设计开辟了无数可能性。无论是在机械系统、电路还是控制系统中，理解自激振荡对创造高效、安全和可靠的技术至关重要。随着我们继续探索这一现象，我们不仅推进了我们的知识，也为未来利用自我维持系统的创新铺平了道路。