stationary error

简明释义

静态误差

英英释义

例句

1.The feedback loop was designed to reduce the stationary error during operation.

反馈回路的设计旨在减少操作过程中的静态误差。

2.Engineers often analyze stationary error to ensure the reliability of automated systems.

工程师们经常分析静态误差以确保自动化系统的可靠性。

3.To improve accuracy, we need to minimize the stationary error in our measurements.

为了提高准确性，我们需要尽量减少测量中的静态误差。

4.The robot's navigation system displayed a significant stationary error when trying to locate the target, indicating a problem with its sensors.

当机器人导航系统试图定位目标时，显示出显著的静态误差，这表明其传感器存在问题。

5.In the control system, the stationary error can lead to a constant offset in the output signal.

在控制系统中，静态误差可能导致输出信号的恒定偏移。

作文

In the field of control systems and engineering, the term stationary error refers to the persistent difference between a desired setpoint and the actual output of a system when it reaches a steady state. This concept is crucial for understanding how well a control system performs over time, especially in applications where precision is paramount. A stationary error can arise from various factors, including system dynamics, external disturbances, and the inherent characteristics of the control algorithm used. To illustrate this idea, consider a simple temperature control system in a home heating setup. The goal of this system is to maintain the room temperature at a comfortable level, say 22 degrees Celsius. When the thermostat is set to this temperature, the heating system kicks in to warm the room. Ideally, the temperature should stabilize at 22 degrees. However, due to various factors such as heat loss through walls or an incorrect calibration of the thermostat, the actual temperature may settle at 21 degrees instead. In this case, the stationary error is 1 degree Celsius, which represents the ongoing discrepancy between the desired temperature and the actual temperature.Understanding stationary error is essential for engineers and technicians who design and maintain control systems. It allows them to identify whether a system is operating effectively or if adjustments need to be made. For instance, if the stationary error is consistently observed in a system, it may indicate that the controller needs tuning or that there are unaccounted disturbances affecting the system's performance.One common method for reducing stationary error is through the implementation of feedback control mechanisms. These systems continuously monitor the output and make real-time adjustments to minimize the error. For example, in our heating system, if the thermostat detects that the temperature is below the setpoint, it can signal the heater to work harder until the desired temperature is reached. This feedback loop helps to ensure that any stationary error is corrected as quickly as possible.However, it is also important to recognize that eliminating stationary error entirely may not always be feasible. Some systems are designed with specific tolerances in mind, and a small amount of error may be acceptable depending on the application. For instance, in industrial processes where high precision is required, engineers may strive for a zero stationary error, while in other scenarios, a minor error might not significantly impact overall performance.In conclusion, the concept of stationary error plays a vital role in the analysis and design of control systems. By understanding its implications, engineers can create more effective and reliable systems that meet the necessary performance standards. Whether through feedback mechanisms or system adjustments, addressing stationary error is essential for achieving optimal control and ensuring that systems operate as intended over time.

在控制系统和工程领域，术语stationary error指的是当系统达到稳态时，期望设定值与实际输出之间的持续差异。这个概念对于理解控制系统在时间上的表现至关重要，尤其是在精度至关重要的应用中。stationary error可能由多种因素引起，包括系统动态、外部干扰以及所使用控制算法的固有特性。为了说明这一观点，考虑一个简单的家用供暖温控系统。该系统的目标是将室内温度保持在舒适水平，例如22摄氏度。当恒温器设置为此温度时，供暖系统便开始工作以加热房间。理想情况下，温度应该稳定在22度。然而，由于墙壁的热量损失或恒温器校准不正确等各种因素，实际温度可能会稳定在21度。在这种情况下，stationary error为1摄氏度，这代表了期望温度与实际温度之间的持续差异。理解stationary error对设计和维护控制系统的工程师和技术人员至关重要。这使他们能够识别系统是否有效运行，或者是否需要进行调整。例如，如果在一个系统中持续观察到stationary error，这可能表明控制器需要调节，或者有未考虑的干扰影响系统性能。减少stationary error的一种常见方法是通过实施反馈控制机制。这些系统持续监测输出并实时进行调整，以最小化误差。例如，在我们的供暖系统中，如果恒温器检测到温度低于设定点，它可以信号加热器加大工作力度，直到达到所需温度。这个反馈循环有助于确保任何stationary error尽快得到纠正。然而，也重要的是认识到完全消除stationary error并不总是可行的。一些系统的设计考虑了特定的容差，依赖于应用，少量的误差可能是可以接受的。例如，在需要高精度的工业过程中，工程师可能会努力实现零stationary error，而在其他情况下，微小的误差可能不会显著影响整体性能。总之，stationary error的概念在控制系统的分析和设计中扮演着至关重要的角色。通过理解其影响，工程师可以创建更有效、更可靠的系统，以满足必要的性能标准。无论是通过反馈机制还是系统调整，解决stationary error对于实现最佳控制和确保系统随着时间的推移按预期运行至关重要。