Price
Number
Learning Units (Hours)
Course
Quiz
Carlo DeLuca, PE, MBA
This course will develop a circuit design intended to perform a specific function. The task of the circuit, commonly known as �dynamic braking,� is to provide electrical braking of a DC motor. Particular attention is given to specifying circuit components and defining energy and time constraints when applying braking concepts. Parameters of the task are established relating to function, application and component requirements.
Initially, a circuit is described using an energy storage device, namely a capacitor. Once the circuit is verified, determination of the components and their values is accomplished. Although the circuit is shown to satisfy the task, mathematical analysis, involving integration, reveals that the size of the storage device is not feasible in this application. A second circuit is devised employing an alternate approach. This leads to an analysis of the relationship of time to capacitor discharge. Again, determination of components and their values is made, using circuit analysis and mathematics. This circuit provides acceptable performance, function and component feasibility.
In the process of designing both circuits, a more objective lesson is realized. Guidelines are presented that illustrate effective engineering approaches in basic circuit design. The importance of a proper technique in defining the task and parameters becomes evident. The approach to conduct logical mathematical analysis, even on a simple approach, is clearly illustrated.
This course includes a multiple choice quiz at the end, which is designed to enhance the understanding of the course materials.
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