Practice Non-linear Control Systems (8.3) - Design PID Controllers for Dynamic Systems

Practice: Non-Linear Control Systems

Lesson 8.3Design PID Controllers for Dynamic Systems

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define a non-linear control system in your own words.
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Think about the superposition principle.
Question 2.
What does saturation mean in the context of non-linear systems?
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Consider motors and their output capabilities.
3Question 3.
What defines a non-linear control system?
- A system where output is proportional to input
- A system that follows the superposition principle
- A system where output is not proportional to input
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Think about the characteristics that differentiate them.
4Question 4.
True or False: Non-linear systems can exhibit multiple stable equilibrium points.
- True
- False
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Consider how initial values affect outcomes.
Question 5.
Consider a non-linear system represented by the equation $y(t) = u^2(t) - 3u(t) + 2$ . Analyze the stability of the system at the equilibrium points.
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Look for the values of $u(t)$ where the system is at rest.
Question 6.
Design a non-linear controller for a robotic arm that follows a parabolic path while avoiding saturation effects.
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Consider how to amend inputs to maintain desired paths.

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