closed-loop control

简明释义

死循环控制

英英释义

Closed-loop control is a system that uses feedback to compare the actual output to the desired output in order to minimize any difference between them.

闭环控制是一种系统,利用反馈将实际输出与期望输出进行比较,以最小化它们之间的差异。

例句

1.The feedback mechanism in closed-loop control 闭环控制 helps to correct errors in real time.

闭环控制 中,反馈机制有助于实时纠正错误。

2.In autonomous vehicles, closed-loop control 闭环控制 is crucial for navigation and safety.

在自动驾驶汽车中,闭环控制 对于导航和安全至关重要。

3.In modern manufacturing, closed-loop control 闭环控制 systems are essential for maintaining product quality.

在现代制造业中,闭环控制 系统对于保持产品质量至关重要。

4.The temperature regulation in HVAC systems often uses closed-loop control 闭环控制 to ensure comfort.

HVAC系统中的温度调节通常使用闭环控制 来确保舒适性。

5.Robotic arms utilize closed-loop control 闭环控制 to achieve precise movements.

机器人手臂利用闭环控制 实现精确的运动。

作文

In the realm of engineering and automation, the concept of closed-loop control plays a pivotal role in ensuring precise and efficient system performance. Essentially, closed-loop control refers to a control mechanism that utilizes feedback to compare the actual output of a system with the desired output. This feedback loop allows for adjustments to be made in real-time, thus enhancing the accuracy and stability of the system. For instance, consider a thermostat that regulates the temperature of a room. When the actual temperature deviates from the set point, the thermostat receives feedback and activates the heating or cooling system accordingly. This continuous process of monitoring and adjusting is what defines closed-loop control.The advantages of closed-loop control are manifold. First and foremost, it significantly reduces the impact of disturbances and uncertainties within a system. By constantly measuring the output and making necessary adjustments, closed-loop control can maintain optimal performance even in fluctuating conditions. This is particularly crucial in applications such as aerospace, automotive, and manufacturing, where precision is paramount.Moreover, closed-loop control systems often lead to improved energy efficiency. By fine-tuning the operations based on real-time data, these systems can minimize waste and optimize resource usage. For example, in industrial processes, implementing closed-loop control can result in substantial cost savings and lower environmental impact, as machines operate only when needed and at their most efficient levels.However, designing a closed-loop control system is not without its challenges. The complexity of accurately measuring the output and implementing timely corrections can lead to issues such as oscillations or instability if not properly managed. Engineers must carefully select appropriate sensors, actuators, and controllers to ensure that the feedback loop operates smoothly. Additionally, the tuning of control parameters is critical; improper tuning can result in a sluggish response or an overactive system that reacts too aggressively to changes.Despite these challenges, the evolution of technology has greatly enhanced our ability to implement closed-loop control systems effectively. With advancements in sensor technology, data processing, and artificial intelligence, modern closed-loop control systems have become more robust and adaptive. For instance, in the field of robotics, closed-loop control enables robots to perform complex tasks with high precision by continuously adjusting their movements based on sensory feedback.In conclusion, closed-loop control is a fundamental principle in control engineering that leverages feedback to enhance system performance. Its ability to adapt to changing conditions and improve efficiency makes it invaluable across various industries. As technology continues to advance, the implementation of closed-loop control will likely become even more sophisticated, paving the way for innovations that were once thought to be unattainable. Embracing this concept not only leads to better control systems but also contributes to a more sustainable and efficient future in engineering and beyond.

在工程和自动化领域,闭环控制的概念在确保系统性能精确和高效方面发挥着重要作用。基本上,闭环控制指的是一种控制机制,它利用反馈将系统的实际输出与期望输出进行比较。这种反馈回路允许实时进行调整,从而增强系统的准确性和稳定性。例如,考虑一个调节房间温度的恒温器。当实际温度偏离设定点时,恒温器接收反馈并相应地激活加热或冷却系统。这种监测和调整的持续过程定义了闭环控制闭环控制的优点是多方面的。首先,它显著减少了系统中干扰和不确定性的影响。通过不断测量输出并进行必要的调整,闭环控制可以在波动条件下维持最佳性能。这在航空航天、汽车和制造等需要精确度的应用中尤为重要。此外,闭环控制系统通常会导致能源效率的提高。通过根据实时数据微调操作,这些系统可以最小化浪费并优化资源使用。例如,在工业过程中,实施闭环控制可以带来可观的成本节约和更低的环境影响,因为机器仅在需要时以其最高效的水平运行。然而,设计闭环控制系统并非没有挑战。准确测量输出和实施及时修正的复杂性可能会导致诸如振荡或不稳定等问题,如果管理不当的话。工程师必须仔细选择适当的传感器、执行器和控制器,以确保反馈回路顺利运行。此外,控制参数的调节至关重要;不当的调节可能导致反应迟钝或过于激烈的系统,对变化反应过于激烈。尽管存在这些挑战,技术的发展大大增强了我们有效实施闭环控制系统的能力。随着传感器技术、数据处理和人工智能的进步,现代闭环控制系统变得更加稳健和自适应。例如,在机器人领域,闭环控制使机器人能够通过基于传感反馈不断调整动作来执行复杂任务,达到高精度。总之,闭环控制是控制工程中的基本原理,它利用反馈来增强系统性能。其适应变化条件和提高效率的能力使其在各个行业中不可或缺。随着技术的不断进步,闭环控制的实施可能会变得更加复杂,为曾经认为无法实现的创新铺平道路。拥抱这一概念不仅能导致更好的控制系统,还能为工程及其他领域的可持续和高效未来做出贡献。