Subtraction of pulse width modulated waves (Reference and Feedback signal) can result in negative voltages....
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Subtraction of pulse width modulated waves (Reference and Feedback signal) can result in negative voltages. Negative voltages are used to make the DC motor rotate in the opposite direction when a positive voltage is applied. The negative voltage is obtained by changing the duty cycle of the feedback signal. Toys Q3000 72.720020220320 02:342207 MORE VIDEOS Reference signal - yellow Feedback signal - blue Result signal - green Problem Design a circuit that can compare the feedback and reference signals, and get the motor to turn until both signals end up the same. Show with some simulation or mathematical model that the design works. Subtraction of pulse width modulated waves (Reference and Feedback signal) can result in negative voltages. Negative voltages are used to make the DC motor rotate in the opposite direction when a positive voltage is applied. The negative voltage is obtained by changing the duty cycle of the feedback signal. Toys Q3000 72.720020220320 02:342207 MORE VIDEOS Reference signal - yellow Feedback signal - blue Result signal - green Problem Design a circuit that can compare the feedback and reference signals, and get the motor to turn until both signals end up the same. Show with some simulation or mathematical model that the design works
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