Abstract
In the information age, MOOCs (Massive Open Online Courses), micro-classes, flipping classroom, and other blended teaching scenes have improved students learning outcomes. However, incorporating technologies into experimental courses, especially electronic and electrical experiments, has its own characteristics and difficulties. The focus of this paper is to introduce virtual technology into an electronic circuit experiment course and to explore its teaching strategy, thereby realizing the informatization of experiment teaching. First, this paper explores the design concepts and implementation details of the digital circuit virtual laboratory, which is then developed based on previous literature and a prequestionnaire to users. Second, the informatization process of the experiment learning model based on traditional custom lab benches is shown through a blended learning scheme that integrates the online virtual laboratory. Finally, the experiment information system is verified and analyzed with a control group experiment and questionnaires. The blended program turned out to be an effective teaching model to complement the deficiencies in existing physical laboratories. The research conclusions show that the virtual experiment system provides students with a rich, efficient, and expansive experimental experience, in particular, the flexibility, repeatability, and visual appeal of a virtual platform could promote the development of students’ abilities in active learning, reflective thinking, and creativity.
Highlights
Traditional engineering experiments are often carried out in small groups, at specified times and in fixed laboratories, with custom lab benches
The traditional experiment teaching model is widely recognized in the long-term teaching practices, and it provides users with hands-on and intuitive experiences with experiment components and measuring equipment based on a universal or custom lab bench
This study, agrees that the final training process still needs real equipment [11] and attempted to explore a blended learning scheme that mixes a virtual laboratory and real-world experience based on a university digital circuits course, to achieve a balance in learning enjoyment [14] and knowledge acquisition
Summary
Traditional engineering experiments are often carried out in small groups, at specified times and in fixed laboratories, with custom lab benches. Virtual laboratories have been broadly accepted as a potentially effective alternative to traditional engineering courses, such as science simulation [1,2], process technologies [3,4,5], signal and control systems [5,6,7], and robotics and teaching models [8,9,10]. A remote laboratory tries to carry out online experiments by operating physical equipment from a distance They are usually complex, consume large amounts of bandwidth, and have high requirements for sensory-control hardware and software. The main contribution of this study lies in two aspects: using the new technologies to design and implement a virtual laboratory and adopting a blended learning scheme to balance the online and offline sections in light of the investigations on blended learning approaches [27,28,29]
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