subplot(411), plot(time, tegangan), grid on, xlabel('TIME [sec]'), ylabel('Ea(t), [Volt]')
subplot(412), plot(time, beban), grid on, xlabel('TIME [sec]'), ylabel('Variasi Beban')
subplot(413), plot(time, RPM), grid on, xlabel('TIME [sec]'), ylabel('w(t), [RPM]')
subplot(414), plot(time, arus), grid on, xlabel('TIME [sec]'), ylabel('Ia(t), [Ampere]')
