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Design and evaluation of a remote PLC laboratory

机译:远程PLC实验室的设计和评估

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摘要

The design and evaluation of a remote laboratory for Programmable Logic Controller (PLC) education is presented. The primary objective of the presented remote PLC laboratory is to increase the availability of the physical laboratory. A secondary objective was to develop students' competence in designing and developing PLC programs. This specific focus on developing design skills within the PLC programming context is the originality contributed by this article. To achieve this originality, a realistic context is provided by basing the laboratory on physical PLCs and their associated industrial programming environments. This context is supported by simulated processes. These processes provide multiple examples to develop design skills and also a media-rich platform which supports problem-solving skills. The laboratory is evaluated using a pre- and post-survey based on the Computer Laboratory Environment Inventory and the results benchmarked. The pre-survey clearly identifies laboratory availability as an issue while the post-survey reveals that the remote laboratory successfully addressed this issue. The post-survey also indicates that the remote laboratory had a positive impact on the overall learning environment. In particular, students perceived that the laboratory problems were more open-ended and less influenced by the instructor.
机译:介绍了一个用于可编程逻辑控制器(PLC)教育的远程实验室的设计和评估。所介绍的远程PLC实验室的主要目标是提高物理实验室的可用性。第二个目标是发展学生在设计和开发PLC程序方面的能力。本文主要致力于在PLC编程环境中开发设计技能。为了实现这一独创性,通过使实验室基于物理PLC及其相关的工业编程环境来提供现实的环境。此上下文由模拟过程支持。这些过程提供了多个示例来开发设计技能,并且还提供了支持解决问题技能的富媒体平台。根据计算机实验室环境清单和基准测试结果,使用前和后调查对实验室进行评估。调查前明确指出实验室的可用性是一个问题,而调查后则表明远程实验室已成功解决了该问题。事后调查还表明,远程实验室对整体学习环境产生了积极影响。尤其是,学生们认为实验室问题更加开放,并且受到教师的影响较小。

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