The Design and Comparison of Central and Distributed Light Sensored Smart LED Lighting Systems

Pseudocode 2

Pseudocode of the control algorithm for the distributed sensor smart lighting system.

#define Default_Room_Reference_Light

Room_Reference_Light=User_Preference

Light1=Light_From_ADC_Lightsensor1

Light2=Light_From_ADC_Lightsensor2

Presence_Sensor=Presence_From_Timer

if presence =1

 smart_lightingt=1;

else

 smart_lighting=0;

end if

while smart_lighting=1 do

Measure_Light1

Measure_Light2

error1=Room_Reference_Light-Measure_Light1

error2=Room_Reference_Light-Measure_Light2

 if error1>hysteresis then

  PWM1=PWM1-I;

 else

  PWM1=PWM1+I;

 end if

 if error2>hysteresis then

  PWM2=PWM2-I;

 else

  PWM2=PWM2+I;

 end if

end while