final control element

简明释义

末控元件

英英释义

A final control element is a device or component in a control system that directly influences the process variable by adjusting the flow of materials, energy, or information.

最终控制元件是在控制系统中直接影响过程变量的设备或组件,通过调整物质、能量或信息的流动来实现。

例句

1.In a chemical process, the pump is the final control element that determines the rate of reactant addition.

在化学过程中,泵是决定反应物添加速率的最终控制元件

2.The final control element in this HVAC system is the damper that adjusts airflow within the ducts.

在这个暖通空调系统中,最终控制元件是调节气流的风门。

3.The valve acts as the final control element in the piping system, regulating the flow of fluid.

阀门作为管道系统中的最终控制元件,调节流体的流动。

4.In automation systems, the final control element is crucial for implementing control signals from the controller.

在自动化系统中,最终控制元件对执行控制器的控制信号至关重要。

5.For temperature control, the heater serves as the final control element to achieve the desired temperature.

在温度控制中,加热器充当最终控制元件以达到所需温度。

作文

In the field of automation and control systems, the term final control element refers to the component that directly influences the process variable. This element is crucial in maintaining the desired state of a system by executing control commands from the controller. For example, in a heating system, the final control element could be a valve that regulates the flow of hot water or steam into a space, ensuring that the temperature remains within a specified range. Without this component, the control system would be ineffective, as it is the mechanism through which adjustments are made based on feedback from sensors.The importance of the final control element cannot be overstated. It serves as the bridge between the control logic and the physical world. In many industrial applications, these elements can take various forms, including valves, dampers, and actuators. Each type of final control element has its own characteristics and operational principles, making it essential for engineers to select the appropriate one for their specific application.One of the key characteristics of a final control element is its response time. The speed at which it can react to control signals can significantly impact the overall performance of the control system. For instance, in processes that require rapid changes, such as chemical reactions or temperature control in furnaces, a fast-acting final control element is necessary to maintain stability and efficiency.Moreover, the reliability of the final control element is critical. In many cases, these elements operate under harsh conditions, including extreme temperatures, pressures, and corrosive environments. Therefore, selecting a durable and reliable final control element is vital to ensure the longevity and safety of the entire system. Engineers often conduct rigorous testing and analysis to evaluate the performance of these components under various conditions before implementation.Additionally, the integration of advanced technologies has led to the evolution of final control elements. With the advent of smart technology, modern final control elements can now include features such as remote monitoring, diagnostics, and automated adjustments. These advancements not only enhance the efficiency of control systems but also contribute to predictive maintenance, reducing downtime and operational costs.In conclusion, the final control element plays an indispensable role in control systems across various industries. Its ability to execute control commands and influence process variables directly impacts the efficiency and effectiveness of the entire system. As technology continues to advance, the capabilities and applications of final control elements will likely expand, paving the way for more sophisticated and efficient control strategies in the future. Understanding the function and significance of the final control element is essential for anyone involved in the design and operation of automated systems, as it ultimately determines the success of the control objectives.

在自动化和控制系统领域,术语最终控制元件指的是直接影响过程变量的组件。这个元件在通过执行来自控制器的控制命令来维持系统所需状态方面至关重要。例如,在供暖系统中,最终控制元件可以是一个调节热水或蒸汽流入空间的阀门,确保温度保持在指定范围内。如果没有这个组件,控制系统将无效,因为它是通过反馈传感器所做调整的机制。最终控制元件的重要性不容小觑。它充当控制逻辑与物理世界之间的桥梁。在许多工业应用中,这些元件可以采取各种形式,包括阀门、阻尼器和执行器。每种类型的最终控制元件都有其特性和操作原理,因此工程师必须为特定应用选择合适的元件。最终控制元件的一个关键特性是其响应时间。它对控制信号的反应速度会显著影响控制系统的整体性能。例如,在需要快速变化的过程中,如化学反应或炉子的温度控制,快速反应的最终控制元件对于维持稳定性和效率是必要的。此外,最终控制元件的可靠性也至关重要。在许多情况下,这些元件在恶劣条件下工作,包括极端温度、压力和腐蚀性环境。因此,选择耐用和可靠的最终控制元件对于确保整个系统的长期运行和安全至关重要。工程师通常会进行严格的测试和分析,以评估这些组件在各种条件下的性能,然后再进行实施。此外,先进技术的整合导致了最终控制元件的演变。随着智能技术的出现,现代的最终控制元件现在可以包括远程监控、诊断和自动调整等功能。这些进步不仅提高了控制系统的效率,还有助于预测性维护,从而减少停机时间和运营成本。总之,最终控制元件在各个行业的控制系统中扮演着不可或缺的角色。它执行控制命令并直接影响过程变量的能力直接影响整个系统的效率和有效性。随着技术的不断进步,最终控制元件的能力和应用可能会扩展,为未来更复杂和高效的控制策略铺平道路。理解最终控制元件的功能和重要性对于任何参与自动化系统设计和操作的人来说都是必不可少的,因为它最终决定了控制目标的成功。