染雾plc的英文参考文献 篇一
Title: A Review of Programmable Logic Controllers (PLCs) in Industrial Automation Systems
Introduction:
Programmable Logic Controllers (PLCs) play a crucial role in modern industrial automation systems. PLCs are electronic devices that are widely used to control and monitor various processes in industries such as manufacturing, automotive, and oil and gas. This article aims to provide a comprehensive review of the current literature on PLCs, focusing on their features, applications, and benefits in industrial automation systems.
Features of PLCs:
PLCs are designed with several key features that make them suitable for industrial automation. These features include robustness, flexibility, scalability, and reliability. PLCs are capable of withstanding harsh environmental conditions, making them ideal for use in industrial settings. They can be easily programmed and reprogrammed to accommodate changes in process requirements, and their modular design allows for easy expansion and integration with other automation components. Additionally, PLCs are known for their high reliability and fault-tolerant capabilities, ensuring uninterrupted operation of industrial processes.
Applications of PLCs:
PLCs are employed in a wide range of applications in industrial automation systems. One of the primary applications is in process control, where PLCs are used to monitor and control variables such as temperature, pressure, and flow rate. PLCs are also utilized in motion control systems, where they coordinate the movement of motors, actuators, and conveyors. Furthermore, PLCs find application in safety systems, where they ensure compliance with safety regulations and provide emergency shutdown capabilities. Other applications include data acquisition, remote monitoring, and energy management.
Benefits of PLCs:
The use of PLCs in industrial automation systems offers several benefits. Firstly, PLCs enhance productivity by improving process efficiency and reducing downtime. They enable real-time monitoring and control of processes, allowing for quick identification and resolution of issues. Secondly, PLCs provide flexibility and adaptability, as they can be easily reprogrammed to accommodate changes in production requirements or process parameters. This flexibility also facilitates seamless integration with other automation components and systems. Additionally, PLCs contribute to improved safety by implementing various safety features, such as emergency shutdown systems and interlocks. Finally, PLCs enable data collection and analysis, providing valuable insights for process optimization and predictive maintenance.
Conclusion:
This review highlights the features, applications, and benefits of PLCs in industrial automation systems. PLCs are essential components that provide reliable control and monitoring capabilities in various industries. The versatility and adaptability of PLCs make them a preferred choice for process control, motion control, safety systems, and data acquisition. The implementation of PLCs in industrial automation systems leads to increased productivity, improved safety, and enhanced operational efficiency. Further research and advancements in PLC technology are expected to drive innovation and improve the overall performance of industrial automation systems.
plc的英文参考文献 篇二
Title: Future Trends and Challenges in Programmable Logic Controllers (PLCs) for Industrial Automation
Introduction:
Programmable Logic Controllers (PLCs) have been widely adopted in industrial automation systems for their ability to control and monitor various processes. As technology continues to advance, PLCs are expected to evolve to meet the changing demands of industrial automation. This article aims to explore the future trends and challenges in PLCs, focusing on emerging technologies, connectivity, cybersecurity, and the impact of artificial intelligence (AI) and machine learning (ML) in PLC systems.
Emerging Technologies:
Advancements in technology, such as the Internet of Things (IoT) and cloud computing, are expected to shape the future of PLCs. The integration of PLCs with IoT devices enables real-time data exchange, allowing for more accurate and efficient process control. Additionally, cloud computing offers the potential for centralized data storage and analysis, enabling predictive maintenance and remote monitoring of PLC systems.
Connectivity:
Connectivity is a critical aspect of future PLC systems. As industrial automation becomes more interconnected, PLCs need to support various communication protocols and interfaces. The adoption of standard protocols, such as OPC UA (Unified Architecture), facilitates seamless integration of PLC systems with other automation components and enables interoperability between different vendors. Moreover, the implementation of wireless communication technologies, such as 5G, enables faster and more reliable data transfer, enhancing the performance of PLC systems.
Cybersecurity:
With the increasing connectivity and digitization of industrial automation systems, cybersecurity becomes a significant concern. PLCs are potential targets for cyber-attacks, as they control critical processes in industries. Future PLC systems must incorporate robust security measures to protect against unauthorized access, data breaches, and malware attacks. This includes implementing encryption, authentication, and intrusion detection systems to ensure the integrity and confidentiality of data.
AI and ML in PLC Systems:
The integration of AI and ML technologies in PLC systems holds great potential for improving process efficiency and optimization. AI algorithms can analyze large amounts of data collected by PLCs, enabling predictive maintenance, anomaly detection, and intelligent decision-making. ML techniques can be employed to develop adaptive and self-learning control strategies, allowing PLC systems to continuously optimize process parameters and adapt to changing conditions.
Conclusion:
The future of PLCs in industrial automation is promising, with emerging technologies, increased connectivity, enhanced cybersecurity, and the integration of AI and ML. These advancements will enable PLC systems to provide more accurate, efficient, and intelligent control and monitoring capabilities. However, as technology evolves, challenges such as cybersecurity risks and the need for standardization and interoperability must be addressed. Continued research and development in these areas will shape the future of PLCs and contribute to the advancement of industrial automation systems.
plc的英文参考文献 篇三
在书写plc的论文时，有哪些英文参考文献可以帮助到我们呢？在此，小编为大家准备好了plc的英文参考文献，一起来学习吧！
一、plc的英文参考文献
1、Michel Gilles.Programmabe Logic Controllers:Architecture and Application Wiley.1990.
2、G.L.Batten. Programmabe Controllers:hardware.software and Application..New York:MC Graw-Hill.1994.
3、Cheded.Al-Mulla. Control of a four-level elevator system using a programmable logic controller. International Journal of Electrical Engineering Education.,2003
4、Matsushita Electric Works Ltd., Automation Control Group. FPO programming manual [EB/OL]. (2004-10-05)[2008-09-10]
5、He yong yi. A Control System of Material Handling in FMS. Journal of shanghai university. Vol.1.No.1.1997
6、Ren Sheng-le. Development of PLC-based Tension Control System.Chinese Journal of Aeronautics20 (2007) 266-271
7、M. Paredes, M. Sartor, C. Masclet. An optimization process for extension spring design. Computer Methods in Applied Mechanics and Engineering. 2001, 191(8): 783-797
8、Siemens AG.Working with STEP7 V5.2 Getting Started.2002
二、plc技术介绍
可编程逻辑控制器是种专门为在工业环境下应用而设计的数字运算操作电子系统。它采用一种可编程的存储器，在其内部存储执行逻辑运算、顺序控制、定时、计数和算术运算等操作的指
起源
美国汽车工业生产技术要求的发展促进了PLC的产生，20世纪60年代，美国通用汽车公司在对工厂生产线调整时，发现继电器、接触器控制系统修改难、体积大、噪声大、维护不方便以及可靠性差，于是提出了著名的“通用十条”招标指标。[2]
1969年，美国数字化设备公司研制出第一台可编程控制器(PDP一14)，在通用汽车公司的生产线上试用后，效果显著；1971年，日本研制出第一台可编程控制器(DCS-8)；1973年，德国研制出第一台可编程控制器；1974年，我国开始研制可编程控制器：1977年，我国在工业应用领域推广PLC。[2]
最初的目的是替代机械开关装置(继电模块)。然而，自从1968年以来，PLC的功能逐渐代替了继电器控制板，现代PLC具有更多的功能。其用途从单一过程控制延伸到整个制造系统的控制和监测。[3]
发展
20世纪70年代初出现了微处理器。人们很快将其引入可编程逻辑控制器，使可编程逻辑控制器增加了运算、数据传送及处理等功能，完成了真正具有计算机特征的工业控制装置。此时的可编程逻辑控制器为微机技术和继电器常规控制概念相结合的产物。个人计算机发展起来后，为了方便和反映可编程控制器的功能特点，可编程逻辑控制器定名为Programmable Logic Controller（PLC）。
20世纪70年代中末期，可编程逻辑控制器进入实用化发展阶段，计算机技术已全面引入可编程控制器中，使其功能发生了飞跃。更高的运算速度、超小型体积、更可靠的工业抗干扰设计、模拟量运算、PID功能及极高的性价比奠定了它在现代工业中的地位。
20世纪80年代初，可编程逻辑控制器在先进工业国家中已获得广泛应用。世界上生产可编程控制器的国家日益增多，产量日益上升。这标志着可编程控制器已步入成熟阶段。
20世纪80年代至90年代中期，是可编程逻辑控制器发展最快的时期，年增长率一直保持为30~40%。在这时期，PLC在处理模拟量能力、数字运算能力、人机接口能力和网络能力得到大幅度提高，可编程逻辑控制器逐渐进入过程控制领域，在某些应用上取代了在过程控制领域处于统治地位的DCS系统。
20世纪末期，可编程逻辑控制器的发展特点是更加适应于现代工业的需要。这个时期发展了大型机和超小型机、诞生了各种各样的特殊功能单元、生产了各种人机界面单元、通信单元，使应用可编程逻辑控制器的工业控制设备的配套更加容易。
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