Question

In this problem you will create a simulink model that uses a switch block to convert the negative part of a sine wave to a positive. a) Create a sine block with an amplitude of 5. This will be the input sine wave. b) Use a switch block to output either the original sine wave or it’s absolute value, depending on whether the part of the wave is negative or positive. c) Connect the output of the switch block to a scope for viewing.

Answer 1

TO LAUNCH SIMULINK:

FROM THE SIMULINK LIBRARY BROWSER, ADD THE FOLLOWING BLOCKS TO A NEW MODEL:

From Sources, right click on Sine Wave block and add to new model

From Math Operations, right click on Abs block and add to new model

From Signal Routing, right click on Switch block and add to new model

From Sinks, right click on Scope block and add to new model

CONNECT THE BLOCKS AS SHOWN BELOW:

Set the amplitude of Sine wave to 5, and the Threshold of Switch block to 0, save the model and run, double click on Scope block to view the resulting graph.

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