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Nyquist Plots

Nyquist Plot

Original price was: ₹92.00.Current price is: ₹27.00.

A Nyquist plot is a graphical representation used in control systems to analyze the frequency response and stability of a system. It maps the trajectory of the system’s frequency response as it traverses the complex plane, typically by plotting the real and imaginary parts of the system’s transfer function as a function of frequency. This plot is constructed by evaluating the transfer function along the imaginary axis and around the unit circle in the complex plane.

 

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Nyquist plots provide valuable insights into system stability by indicating the number of encirclements of the critical point (-1, 0) in the complex plane, known as the Nyquist criterion. If the plot encircles the critical point in a counterclockwise direction, the system is stable; otherwise, it is unstable. Nyquist plots are essential tools for engineers to design and analyze control systems, particularly in assessing stability margins and predicting system behavior under various conditions.

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