A comprehensive study for pole placement of DC motor is studied using different state feedback control techniques. It also compares the control parameters performance of the state feedback(SFB), feed-forward gain with state feedback(FFG-SFB) and integral control with State feedback controller(ICSFB). Ackermann's formula being used for pole placement techniques. Performance level is based on the parameter of settling time, percentage overshoots and steady state error. The performance parameters are validated using Matlab/Simulink software.
This study presents methodology to generate sinusoidal pulse width modulation (SPWM) signal using Field Programmable Gate Array, FPGA technology. We discussed the unipolar switching scheme and the methodology to generate the signal with the predetermined switching frequencies. Simulation on the designed pulses was conducted using Altera Max Plus II simulation tools. This simulation method was used to get the desired sinusoidal pulse width modulated signal via programming. Designing the best switching frequency for inverter was important in order to get the best approximation of the sinusoidal signal as produced by an ideal inverter. The smoother inverter switching signal, the better output waveform from the inverter and thus produced output signal with less harmonics distortion. Simulation was done before being tested on the FPGA board for the next stage
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