Frequency response analysis – bode plot, polar plot, phase margin and gain margin

Frequency response analysis is used if input is sinusoidal with variable frequency and amplitude. Frequency response analysis techniques bode plot polar plot nyquist plot Basic points of plots used for frequency response analysis. Bode plot is used to draw frequency response of open loop and closed loop system Bode plot is plotted in logarithmic scale …

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Basics of control system

This chapter focuses on basics of control system. This will help you to study higher levels of control systems and can easily solve problamatic questions. Plant – portion of the system which can be controlled is called plant or process, Controller – it may be a part of the system or external, it controls the …

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