Smart Home Environment Management Using Programmable Logic Controller

The trend of smart home applications is growing, and the final operation and calculation are still needed to go back to the automatic control technologies of the system. Automatic control focuses on the flexibility and finesse of control. The Programmable Logic Controller (PLC) has the advantages of simple function, high speed, high reliability, high noise resistance, and high stability, which is very beneficial for automatic control applications. Therefore, this study applies PLC combined with the home environment to complete the multi-faceted home automation control functions. In order to facilitate the operation and use of the various home environment, this study uses the human-computer interaction interface to humanize the integration of home control related functions. In addition, we through the ladder diagrams to show the various plans and cooperation of home control and to achieve a variety of home automation control functions, including anti-theft control, lighting control, temperature control, fire control, and sleep mode. Finally, a small house that simulates a home situation is used to demonstrate the home automation function achieved. This study will help to derive PLCs into future smart homes to provide more stable and efficient home automation control functions.