How to generate this(discribed below) type of signal using signal generator or PWM inverter in simulink ?

Total time =12 sec.

For 0 to 3 sec - positive constant amplitude (12)

For 3 to 6 sec - Zero amplitude(off)

for 6 to 9 sec - negative constant amplitude (-12)

for 9 to 12 sec - Zero amplitude(off)....

Please help as soon as possible...thank you in advance.

Answer 1

[ES]

You can use a signal builder block . It is much easier..In signal builder You can draw the signal directly, or import from an excel sheet.