subplot(411),plot(time,keran), grid on, xlabel('time [sec]'), ylabel('keran [liter/sec]')
subplot(412),plot(time,katup), grid on, xlabel('time [sec]'), ylabel('posisi katup [0..1]')
subplot(413),plot(time,debit), grid on, xlabel('time [sec]'), ylabel('debit [liter/sec]')
subplot(414),plot(time,level), grid on, xlabel('time [sec]'), ylabel('level [cm]')

