15.4 RESPONSE ANALYSIS

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After doing an analysis of the response, it is important to examine the results to determine their importance.

Some general notes,

1. If a step input causes the system to go to infinity, it will be inherently unstable.

2. A ramp input might cause the system to go to infinity, if this is the case the system might not respond well to constant change.

3. If the response to a sinusoidal input grows with each cycle, the system is probably resonating, and will become unstable.