proportional regulator

简明释义

比例控制器

英英释义

A proportional regulator is a control device that maintains a desired output level by adjusting the input in proportion to the difference between the desired setpoint and the actual output.

比例调节器是一种控制装置,通过根据期望设定点与实际输出之间的差异成比例地调整输入,从而维持所需的输出水平。

例句

1.In automotive applications, a proportional regulator ensures that fuel delivery is adjusted based on engine demand.

在汽车应用中,比例调节器确保燃料供应根据发动机需求进行调整。

2.The new HVAC system uses a proportional regulator to maintain a consistent temperature throughout the building.

新型暖通空调系统使用比例调节器来保持建筑内温度的一致性。

3.Using a proportional regulator allows for smoother operation of hydraulic systems by providing variable flow rates.

使用比例调节器可以通过提供可变流量来实现液压系统的更平稳操作。

4.The laboratory experiment required a proportional regulator to precisely control the pressure in the reaction chamber.

实验室实验需要一个比例调节器来精确控制反应室的压力。

5.The proportional regulator in the pneumatic system helps maintain consistent air pressure for optimal performance.

气动系统中的比例调节器有助于维持一致的气压以获得最佳性能。

作文

In the field of control systems, a crucial component that often comes into play is the proportional regulator. This device is designed to maintain a desired output level by adjusting its input based on the difference between the desired setpoint and the actual output. The concept of a proportional regulator is fundamental in various applications, ranging from industrial automation to everyday household devices. Understanding how this technology works can lead to more efficient systems and improved performance.The basic principle behind a proportional regulator is relatively straightforward. It operates on the principle of feedback control, where the output of a system is continuously monitored and compared to a predetermined setpoint. If there is a discrepancy, the proportional regulator makes adjustments proportionate to the error. For example, if the temperature in a room is set to 22 degrees Celsius but it is currently at 20 degrees, the regulator will increase the heating output until the desired temperature is reached.One of the key advantages of using a proportional regulator is its simplicity and effectiveness. By providing a direct correlation between the error and the corrective action, it allows for a quick response to changes in the system. This responsiveness is particularly important in processes where maintaining a specific condition is critical, such as in chemical reactions or manufacturing processes.However, while the proportional regulator is effective, it does have limitations. One significant drawback is that it can lead to steady-state error, which occurs when the system stabilizes at a point that is not exactly at the setpoint. To mitigate this issue, engineers often combine the proportional regulator with integral and derivative controls, creating what is known as a PID controller. This combination allows for more precise control and minimizes the steady-state error.In practical terms, the application of a proportional regulator can be seen in various industries. For instance, in the automotive sector, cruise control systems utilize this technology to maintain a vehicle's speed. By constantly measuring the car's current speed and comparing it to the desired speed set by the driver, the proportional regulator adjusts the throttle position accordingly. This ensures a smooth driving experience without frequent acceleration and deceleration.Moreover, in HVAC (heating, ventilation, and air conditioning) systems, proportional regulators help maintain comfortable indoor temperatures. They adjust the flow of air or the output of heating elements based on real-time temperature readings, ensuring that the environment remains stable and comfortable for occupants.In conclusion, the proportional regulator is an essential component in modern control systems, providing a simple yet effective means of maintaining desired outputs. Its ability to respond directly to discrepancies makes it invaluable in various applications, although it is often enhanced by additional control strategies to overcome its limitations. As technology continues to evolve, understanding the role and functionality of a proportional regulator will remain vital for engineers and technicians alike, ensuring that systems operate efficiently and effectively. The importance of mastering such concepts cannot be overstated, as they form the backbone of many automated processes we rely on today.

在控制系统领域,一个经常出现的关键组件是比例调节器。该设备旨在通过根据期望设定点和实际输出之间的差异调整输入,来维持所需的输出水平。比例调节器的概念在各种应用中都是基础,从工业自动化到日常家用设备。理解这项技术的工作原理可以导致更高效的系统和改进的性能。比例调节器的基本原理相对简单。它基于反馈控制的原则,在这个过程中,系统的输出被持续监测并与预定的设定点进行比较。如果存在差异,比例调节器将根据误差进行成比例的调整。例如,如果一个房间的温度设定为22摄氏度但当前为20摄氏度,调节器将增加加热输出,直到达到所需的温度。使用比例调节器的一个主要优点是其简单性和有效性。通过提供误差与纠正措施之间的直接关联,它允许对系统变化做出快速响应。这种响应能力在维持特定条件至关重要的过程中尤其重要,例如在化学反应或制造过程中。然而,尽管比例调节器有效,但它确实存在局限性。其中一个显著的缺点是它可能导致稳态误差,这发生在系统稳定在一个不是完全在设定点的位置时。为了缓解这个问题,工程师们通常将比例调节器与积分和微分控制结合起来,形成所谓的PID控制器。这种组合允许更精确的控制,并最小化稳态误差。在实际应用中,比例调节器的应用可以在各个行业中看到。例如,在汽车行业,巡航控制系统利用这项技术来维持车辆的速度。通过不断测量汽车的当前速度并将其与驾驶员设定的期望速度进行比较,比例调节器相应地调整油门位置。这确保了平稳的驾驶体验,而无需频繁加速和减速。此外,在HVAC(供暖、通风和空调)系统中,比例调节器帮助维持舒适的室内温度。它们根据实时温度读数调整空气流量或加热元件的输出,确保环境保持稳定,给居住者带来舒适感。总之,比例调节器是现代控制系统中的一个基本组件,提供了一种简单而有效的方式来维持所需的输出。它对差异的直接响应能力使其在各种应用中不可或缺,尽管通常通过额外的控制策略来增强其功能,以克服其局限性。随着技术的不断发展,理解比例调节器的作用和功能对于工程师和技术人员来说仍然至关重要,确保系统高效、有效地运行。掌握这些概念的重要性不容小觑,因为它们构成了我们今天所依赖的许多自动化过程的基础。

相关单词

regulator

regulator详解:怎么读、什么意思、用法