Journal of Sensors / 2015 / Article / Tab 7

Research Article

Design and Implementation of Energy Efficiency in HVAC Systems Based on Robust PID Control for Industrial Applications

Table 7

Energy saving in plant 2.

Power consumption in old conventional system Power consumption after the designed control system
DateHourkWDateHourkW

13.07.201310:00:00107.706.01.201410:30:0079.99
13.07.201311:00:00106.706.01.201410:45:0080.32
13.07.201312:00:00104.206.01.201411:00:0079.66
13.07.201313:00:00107.506.01.201411:15:0082.65
13.07.201314:00:00107.406.01.201411:30:0076.67
13.07.201315:00:00107,706.01.201411:45:0075.35
13.07.201316:00:00108.306.01.201412:00:0075.01
13.07.201317:00:0010806.01.201412:15:0071.36
13.07.201318:00:00108.406.01.201412:30:0072.03
13.07.201319:00:00108.206.01.201412:45:0071.69
13.07.201320:00:00107.906.01.201413:00:0071.69
13.07.201321:00:00107.906.01.201413:15:0072.03
13.07.201322:00:00108.406.01.201413:30:0074.02
13.07.201323:00:00107.806.01.201413:45:0074.68
13.07.201300:00:00107.906.01.201414:00:0074.68
13.07.201301:00:00107.206.01.201414:15:0075.68
13.07.201302:00:00106.706.01.201414:30:0075.01
13.07.201303:00:00106.306.01.201414:45:0076.34
13.07.201304:00:00106.506.01.201415:00:0074.68
13.07.201305:00:00106.806.01.201415:15:0075.35
13.07.201306:00:00106.806.01.201415:30:0075.35
13.07.201307:00:00106.206.01.201415:45:0075.01
13.07.201308:00:00106.206.01.201416:00:0075.01
Average107.25Average75.4

Average power consumption: old = 107.25, new = 75.40, and profit = 29.69%.