closed-loop control system

简明释义

闭环控制系统国际油污损害民事责任公约

英英释义

例句

1.Manufacturing robots utilize a closed-loop control system to ensure precision in their movements.

制造机器人利用闭环控制系统确保其动作的精确性。

2.In autonomous vehicles, a closed-loop control system helps adjust speed and steering based on sensor feedback.

在自动驾驶汽车中，闭环控制系统根据传感器反馈调整速度和方向。

3.The drone's flight stability is maintained by a closed-loop control system that adjusts its position in real-time.

无人机的飞行稳定性由一个闭环控制系统维持，该系统实时调整其位置。

4.A closed-loop control system is essential in HVAC systems to maintain comfortable indoor temperatures.

在暖通空调系统中，闭环控制系统对于维持舒适的室内温度至关重要。

5.The temperature regulation in modern ovens often uses a closed-loop control system to maintain the desired heat level.

现代烤箱中的温度调节通常使用闭环控制系统来保持所需的热量。

作文

In the realm of engineering and automation, the concept of a closed-loop control system is fundamental to achieving precise and reliable performance. A closed-loop control system is one that continuously monitors its output and adjusts its inputs based on feedback to maintain the desired level of performance. This type of system is essential in various applications, from industrial processes to consumer electronics. To illustrate how a closed-loop control system works, consider the example of a thermostat used in heating systems. The thermostat measures the current temperature of a room and compares it to the setpoint temperature that the user desires. If the room temperature falls below the setpoint, the thermostat sends a signal to the heating system to turn on. Conversely, if the room temperature exceeds the setpoint, the thermostat signals the heating system to turn off. This feedback loop ensures that the room temperature remains within a comfortable range, demonstrating the effectiveness of a closed-loop control system.The main advantage of using a closed-loop control system is its ability to minimize errors and disturbances. By continuously monitoring the output and making necessary adjustments, these systems can respond to changes in the environment or system dynamics more effectively than open-loop systems, which do not use feedback. For instance, in an industrial setting, a closed-loop control system can regulate the speed of a motor by adjusting the input power based on the actual speed measured by sensors. This leads to improved efficiency and performance, as the system can adapt to varying loads and conditions.However, designing a closed-loop control system comes with its own set of challenges. One significant aspect is the need for accurate sensors and actuators. The effectiveness of the feedback loop heavily relies on the precision of the measurements taken by sensors. If the sensors provide inaccurate data, the system may overcorrect or undercorrect, leading to instability or oscillations. Therefore, selecting high-quality components is crucial for the success of a closed-loop control system.Another challenge is the complexity of the control algorithms used in these systems. Depending on the application, engineers may need to implement advanced control strategies, such as PID (Proportional-Integral-Derivative) control, to achieve optimal performance. These algorithms require a deep understanding of the system dynamics and can be complicated to tune properly. Nevertheless, when designed correctly, a closed-loop control system can offer significant advantages over simpler control methods.In conclusion, the closed-loop control system plays a pivotal role in modern engineering and technology. Its ability to utilize feedback for continuous adjustment makes it a powerful tool for maintaining desired performance levels in various applications. While there are challenges associated with its design and implementation, the benefits of enhanced accuracy, stability, and efficiency make the closed-loop control system an indispensable element in the field of control engineering. As technology continues to advance, the importance of closed-loop control systems will only grow, driving innovation across multiple industries.

在工程和自动化领域，闭环控制系统的概念对于实现精确和可靠的性能至关重要。闭环控制系统是一种持续监测其输出并根据反馈调整其输入以维持所需性能水平的系统。这种类型的系统在各种应用中都是必不可少的，从工业过程到消费电子产品。为了说明闭环控制系统的工作原理，我们可以考虑一个用于供暖系统的恒温器的例子。恒温器测量房间的当前温度，并将其与用户所希望的设定温度进行比较。如果房间温度低于设定点，恒温器会向供暖系统发送信号以打开。相反，如果房间温度超过设定点，恒温器会向供暖系统发出信号以关闭。这个反馈循环确保房间温度保持在舒适范围内，展示了闭环控制系统的有效性。使用闭环控制系统的主要优点是能够最小化误差和干扰。通过持续监测输出并进行必要的调整，这些系统能够比不使用反馈的开环系统更有效地响应环境或系统动态的变化。例如，在工业环境中，闭环控制系统可以通过根据传感器测量的实际速度调整输入功率来调节电动机的速度。这提高了效率和性能，因为系统可以适应不同的负载和条件。然而，设计闭环控制系统也面临一系列挑战。其中一个重要方面是对准确传感器和执行器的需求。反馈循环的有效性在很大程度上依赖于传感器所采集数据的精确性。如果传感器提供不准确的数据，系统可能会过度修正或不足修正，导致不稳定或振荡。因此，选择高质量的组件对于闭环控制系统的成功至关重要。另一个挑战是这些系统中使用的控制算法的复杂性。根据应用，工程师可能需要实施先进的控制策略，如PID（比例-积分-微分）控制，以实现最佳性能。这些算法需要对系统动态有深刻理解，并且可能很难正确调整。然而，当设计得当时，闭环控制系统可以提供显著的优势，超越更简单的控制方法。总之，闭环控制系统在现代工程和技术中发挥着关键作用。它利用反馈进行持续调整的能力使其成为维护各种应用中所需性能水平的强大工具。尽管在设计和实施过程中存在挑战，但增强的准确性、稳定性和效率的好处使得闭环控制系统成为控制工程领域不可或缺的元素。随着技术的不断进步，闭环控制系统的重要性只会增加，推动各个行业的创新。