open loop control system

简明释义

开环控制系统

英英释义

例句

1.A washing machine that runs through a pre-set cycle without sensing the load is functioning as an open loop control system.

一台按照预设周期运行而不感知负载的洗衣机作为一个开放环路控制系统在运作。

2.An electric fan running at a constant speed is an example of an open loop control system since it doesn't respond to room temperature changes.

以恒定速度运行的电风扇是一个开放环路控制系统的例子，因为它不会对房间温度变化作出响应。

3.Streetlights that turn on at a specific time each evening are controlled by an open loop control system.

每晚在特定时间开启的路灯由一个开放环路控制系统控制。

4.A simple toaster operates as an open loop control system because it does not adjust its operation based on the toast's browning level.

简单的烤面包机作为一个开放环路控制系统运行，因为它不根据面包的上色程度调整其操作。

5.In irrigation systems, a timer can be used as an open loop control system to water plants for a fixed duration regardless of soil moisture.

在灌溉系统中，定时器可以用作开放环路控制系统，在固定时间内给植物浇水，而不考虑土壤湿度。

作文

An open loop control system is a type of control system that operates without feedback. In other words, it does not monitor the output or adjust its actions based on the results of those actions. This can be contrasted with a closed loop control system, which continuously checks the output and makes adjustments to achieve the desired outcome. The simplicity of an open loop control system makes it suitable for many applications where precision is not critical. For instance, a basic toaster is a perfect example of an open loop control system. When you set the timer and push down the lever, the toaster heats the bread for a predetermined amount of time, regardless of whether the toast is burnt or undercooked. The advantages of using an open loop control system include lower costs and simpler design. Since there are no sensors or feedback mechanisms involved, the system can be easier to construct and maintain. However, these benefits come with significant drawbacks. The lack of feedback means that any disturbances or changes in the environment can lead to performance issues. For example, if the power supply fluctuates, the toaster may not heat the bread adequately, resulting in inconsistent toast quality. In industrial settings, open loop control systems can be found in processes where conditions are stable and predictable. For example, a conveyor belt that moves items from one point to another at a constant speed can be controlled with an open loop control system. As long as the speed of the motor remains constant and the load on the belt does not change significantly, the system will function effectively. However, if the load varies or if the belt encounters resistance, the output may not meet the desired specifications. Despite its limitations, the open loop control system has its place in various applications. It is often used in household devices, such as washing machines, where the user selects a cycle, and the machine runs through its processes without adjusting based on the cleanliness of the clothes. This approach is effective for tasks that do not require real-time adjustments. In conclusion, an open loop control system is characterized by its lack of feedback and adjustment capabilities. While it offers simplicity and cost-effectiveness, it is essential to understand its limitations in precision and adaptability. As technology continues to advance, the integration of feedback mechanisms into control systems has become more prevalent, leading to the development of closed loop systems that provide greater accuracy and efficiency. Nevertheless, open loop control systems remain relevant in specific applications where conditions are stable and predictable, highlighting the importance of selecting the right control strategy for each unique situation.

开放环控制系统是一种在没有反馈的情况下运行的控制系统。换句话说，它不会监测输出或根据这些动作的结果调整其行为。这与闭环控制系统形成对比，后者不断检查输出并进行调整以达到预期结果。开放环控制系统的简单性使其适用于许多对精度要求不高的应用。例如，一个基本的烤面包机就是开放环控制系统的完美例子。当你设定定时器并按下杠杆时，烤面包机会在预定时间内加热面包，无论吐司是烧焦还是未熟。使用开放环控制系统的优点包括成本较低和设计更简单。由于没有传感器或反馈机制，系统可以更容易构建和维护。然而，这些好处伴随着显著的缺点。缺乏反馈意味着任何干扰或环境变化都可能导致性能问题。例如，如果电源波动，烤面包机可能无法充分加热面包，从而导致吐司质量不一致。在工业环境中，开放环控制系统可以在条件稳定且可预测的过程中找到。例如，一个将物品从一个点移动到另一个点的传送带可以用开放环控制系统来控制。只要电机的速度保持恒定，并且传送带上的负载没有发生显著变化，系统就能有效运行。然而，如果负载变化或传送带遇到阻力，输出可能无法达到预期规格。尽管存在局限性，开放环控制系统在各种应用中仍然有其位置。它通常用于家用设备，如洗衣机，用户选择一个周期，机器运行其过程而不根据衣物的清洁程度进行调整。这种方法对不需要实时调整的任务是有效的。总之，开放环控制系统的特点是缺乏反馈和调整能力。虽然它提供了简单性和成本效益，但理解其在精度和适应性方面的局限性至关重要。随着技术的不断进步，反馈机制的集成已变得更加普遍，导致开发出提供更高准确性和效率的闭环系统。然而，开放环控制系统在特定的条件稳定且可预测的应用中仍然相关，突显了为每种独特情况选择正确控制策略的重要性。