feedback control

简明释义

反馈控制

英英释义

例句

1.In robotics, feedback control is essential for precise movement and stability.

在机器人技术中，反馈控制对于精确运动和稳定性至关重要。

2.Manufacturing processes often implement feedback control to ensure product quality.

制造过程通常实施反馈控制以确保产品质量。

3.The autopilot system in airplanes relies on feedback control to adjust its flight path.

飞机的自动驾驶系统依赖于反馈控制来调整飞行路径。

4.The thermostat uses feedback control to maintain the desired temperature in the room.

恒温器使用反馈控制来保持房间内所需的温度。

5.In audio systems, feedback control helps to eliminate unwanted noise.

在音频系统中，反馈控制有助于消除不必要的噪音。

作文

In the realm of engineering and systems design, the concept of feedback control plays a pivotal role in ensuring stability and performance. Feedback control refers to a process where the output of a system is monitored and used to adjust the input in order to achieve the desired outcome. This mechanism is fundamental in various applications, ranging from simple household appliances to complex industrial systems. To illustrate, consider a thermostat used in heating systems. The thermostat continuously measures the temperature of a room and compares it to the setpoint that the user desires. If the room temperature falls below this setpoint, the thermostat sends a signal to the heating system to turn on. Conversely, if the temperature exceeds the setpoint, the thermostat will instruct the heating system to turn off. This example highlights how feedback control maintains the desired temperature by adjusting the heating based on real-time data. The significance of feedback control extends beyond simple temperature regulation. In industrial automation, feedback control systems are essential for maintaining the quality and efficiency of production processes. For instance, in a manufacturing plant, sensors may monitor the speed of a conveyor belt. If the speed deviates from the optimal rate, the control system can make immediate adjustments to ensure that the production line operates smoothly. This ability to respond to changes in real-time is what makes feedback control indispensable in modern technology. Moreover, feedback control is not limited to mechanical systems; it is also prevalent in biological systems. The human body, for example, employs feedback mechanisms to regulate various functions such as blood sugar levels, body temperature, and hormone production. When blood sugar levels rise after eating, the pancreas releases insulin to lower those levels. This biological feedback control ensures that the body maintains homeostasis, demonstrating the universality of this concept across different fields. However, implementing effective feedback control requires careful consideration of several factors, including the time delay between input and output, the accuracy of sensors, and the dynamics of the system being controlled. Poorly designed feedback systems can lead to instability, oscillations, or even catastrophic failures. Therefore, engineers must thoroughly analyze and test their systems to ensure that the feedback control loops function as intended. In conclusion, feedback control is a fundamental principle that underpins countless systems in our daily lives. From maintaining comfortable living environments to optimizing industrial processes and regulating biological functions, the importance of this concept cannot be overstated. As technology continues to advance, the applications of feedback control are likely to expand, leading to even more sophisticated systems that enhance our quality of life. Understanding and mastering feedback control is essential for anyone involved in engineering, automation, or related fields, as it provides the foundation for creating efficient and reliable systems.

在工程和系统设计领域，反馈控制的概念在确保稳定性和性能方面发挥着关键作用。反馈控制是指监测系统输出并利用其调整输入，以实现期望结果的过程。这一机制在各种应用中至关重要，从简单的家用电器到复杂的工业系统。 以用于供暖系统的恒温器为例。恒温器不断测量房间的温度，并将其与用户所希望的设定点进行比较。如果房间温度低于该设定点，恒温器会向供暖系统发出信号，要求其开启。反之，如果温度超过设定点，恒温器将指示供暖系统关闭。这个例子突显了如何通过根据实时数据调整供暖来保持所需温度，即反馈控制。 反馈控制的重要性不仅限于简单的温度调节。在工业自动化中，反馈控制系统对于维持生产过程的质量和效率至关重要。例如，在制造工厂中，传感器可能监测输送带的速度。如果速度偏离最佳速率，控制系统可以立即进行调整，以确保生产线平稳运行。这种对实时变化作出响应的能力使得反馈控制在现代技术中不可或缺。 此外，反馈控制不仅限于机械系统；它在生物系统中也很普遍。例如，人体利用反馈机制来调节血糖水平、体温和激素产生。当进食后血糖水平升高时，胰腺会释放胰岛素以降低这些水平。这种生物反馈控制确保身体维持内稳态，展示了这一概念在不同领域的普遍性。 然而，实施有效的反馈控制需要仔细考虑几个因素，包括输入和输出之间的时间延迟、传感器的准确性以及被控制系统的动态特性。设计不良的反馈系统可能导致不稳定、振荡甚至灾难性故障。因此，工程师必须彻底分析和测试他们的系统，以确保反馈控制回路按预期工作。 总之，反馈控制是支撑我们日常生活中无数系统的基本原理。从维护舒适的生活环境到优化工业过程和调节生物功能，这一概念的重要性不容小觑。随着技术的不断进步，反馈控制的应用可能会扩展，导致更复杂的系统出现，从而提升我们的生活质量。理解和掌握反馈控制对于任何参与工程、自动化或相关领域的人来说都是至关重要的，因为它为创建高效可靠的系统提供了基础。