June 15, 2014
June 15, 2014
June 18, 2014
24.2.1 - 24.2.15
EET Capstone Student Project: Chemical Mixing Plant Integrated with Programmable Logical Controller and Human Machine InterfaceThe capstone project course is an intrinsic part of the undergraduate education. The capstoneprojects are widely regarded as an excellent mechanism for assessing the outcomes ofengineering and engineering technology programs and can serve as a direct measure of thequality of graduates. Capstone projects provide an opportunity for students to demonstrate theircritical thinking skills, communication skills, as well as time and project management skills. Thecapstone course prepares students to better understand the professional roles in the engineeringand technology community. As part of the continuous efforts in developing critical thinkingskills among the graduates of UNIVERSITY, the Electrical Engineering Technology (EET)Program at the University is to engage a group of EET students in solving engineering problemas part of capstone integrating experience and to fulfill the degree program requirements.The purpose of this capstone senior design project is to integrate a programmable logicController (PLC) with Human Machine Interface (HMI) to control a chemical mixing plant. Themachine uses various normally open and normally closed contacts, to mix and heat/cool up tothree different liquids. The PLC is used to control the various ac and dc inputs and outputs (12volt dc inputs, 120 volt ac outputs, and 12 volt dc outputs) of the plant to achieve the desiredpreset conditions of the chemical process. The inputs of the plant are used to collect the datafrom a flow meter and temperature sensors. The HMI allows the operator to employ additionalfunctions and the integrated PLC provides a variable control for a pressure transducer, heater,and mixer. The final product will be further used in classroom instructions providing the studentswith hands-on experiences programming PLC and getting familiar with HMI functions.Additionally, the project provides an excellent opportunity for EET students to apply their skillsand course work and interact with faculty on a real-world design challenge.In this article, we describe an effective approach of conducting capstone senior design project,the project requirements, the significance of the project, and specific project outcomes.
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