"Industrial Load Management System Using MQTT Protocol for Real-Time Energy Optimization ", Thesis of Industrial management

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In this method we . are controlling the load from external applications from mobile and laptop. Here : We are initializing the pins of esp32 i.c. which to be Considered as Output values are plone ve wtih as input and also the 8bit pins of esp32. Then the viltage, werrent vote sou by using the wifi connectivity in the location. The also be viewea », i, ynrey consumed are displayed on the LCD display and can topic subscription’ car matt dashboard app using suitable user id . password and ; Publication. In this control we are Subscribing and also publishing the topics. Because of Manual control : the buttons that indicate different numbers are used in the app. 5.1.2 Automatic Control In this t r a ; ype of contro} the brightness of the bulb is controlled automatically by using a program. Here also the values are monitored and displayed on the LCD ‘sol . display but esp32 and dimmer module are Programmed in such a way that brightness is increased step by step from 0% to 8 0% of total brightness. The flow chart of automatic control is shown in Fig. 5.3. When the brightness exceeds 70% of total brightness then the brightness is decreased to 30% of total brig hiness for a period of 5 seconds. Then it is again increased step by step this type of control is done to overcome the problem that not only the user alone can control but also device can do its own control when there is a necessary condition for automatic control. Because of which brightness of the bulb can be adjusted from any place.We can also ON/OFF the load whenever required from any place. But the only condition is that we must have internet connection at both the ends. The ESP32 uploads the values to the server using router then the control given from mobile or laptop is sent to the esp32 using the same server. We can also simultaneously view the values of voltage. current and power in the LCD display that is present near the load side. The voltage regulator steps down the 12V 43 DC supply from the adapter to 3.3V which is given to ESP32 and the 5V DC is given to the dimmer module it also has filters for reverse protection. r L Initialize pins } L Connect to WIFI and MQTT ] Va Calculate voltage, current, power, energy NN Display values on LCD } ae ; Increase brightness from 0% to 75% of total brightness step by step NX yes Mf Brightness >10% Make brightness 30% for Ssecond Fie. 8.3 Flowchart of Automatic Control 44