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Session 2359

Problem Based Learning of Data Acquisition and Computer-Based Control Applications in MET Courses

Jan T. Lugowski, Steven E. Widmer Purdue University

1. Introduction

This paper discusses how problem-based learning and computer-based applications can be used to enhance the students’ learning experience in two 300-level courses in controls, instrumentation, and fluid power. MET 382 Controls and Instrumentation for Automation is a three credit hour course with a two-hour laboratory. Half of the time is allocated for data acquisition, and half for control applications. The second course, MET 334 Advanced Fluid Power, also a three credit hour course, includes analysis and testing of hydraulic and pneumatic systems. Both courses require practical skills to complete the laboratory assignments, which give students hands-on experience. Although every phase of developing the practical skills is important, we have found that hands-on experience in applying software to solve problems presents the greatest challenges in a laboratory environment. Practical experience with data acquisition and other computer applications is an important part of the engineering process.

Several software packages are used in both courses. In this paper we discuss two laboratory assignments, one for data acquisition with LabVIEW 6 software, and the other for fluid power calculations with the help of Excel software. We find that students benefit from developing proficiency in the software applications to solve technical problems. Employing an intensive, problem-based approach helps develop this proficiency in a limited time. We recommend that the students receive clear, consistent, and reasonably complete assignments provided by the laboratory instructor. It is important that the students continue through all phases of each assignment, and fully engage in solving problems as they encounter them. This paper discusses how we focused on the problem-based learning that could also be implemented for industrial projects.

Problem based learning (PBL) 1, 2, 3, 4 is a response to educational research that has found that lecturing is arguably the least effective way to facilitate student learning. During lecture, students’ level of attention drops significantly as the lecture goes on. Students tend to lose their initial interest. This is true also during the introduction to a laboratory exercise, which is intended to help students complete their assignments in the allotted time.

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Widmer, S., & Lugowski, J. (2002, June), Problem Based Learning Of Data Acquisition And Computer Based Control Applications In Met Courses Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--10455